Merge "Move HUN car notifications into SystemUI" into qt-dev
diff --git a/apct-tests/perftests/core/src/android/graphics/perftests/TypefaceCreatePerfTest.java b/apct-tests/perftests/core/src/android/graphics/perftests/TypefaceCreatePerfTest.java
index d6e8ab2..8847456 100644
--- a/apct-tests/perftests/core/src/android/graphics/perftests/TypefaceCreatePerfTest.java
+++ b/apct-tests/perftests/core/src/android/graphics/perftests/TypefaceCreatePerfTest.java
@@ -18,6 +18,7 @@
 
 import android.content.Context;
 import android.content.res.AssetManager;
+import android.content.res.Resources;
 import android.graphics.Typeface;
 import android.perftests.utils.BenchmarkState;
 import android.perftests.utils.PerfStatusReporter;
@@ -26,6 +27,8 @@
 import androidx.test.filters.LargeTest;
 import androidx.test.runner.AndroidJUnit4;
 
+import com.android.perftests.core.R;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -104,4 +107,15 @@
 
         outFile.delete();
     }
+
+    @Test
+    public void testCreate_fromResources() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        final Resources r = InstrumentationRegistry.getContext().getResources();
+
+        while (state.keepRunning()) {
+            Typeface face = r.getFont(R.font.samplefont);
+        }
+    }
+
 }
diff --git a/api/current.txt b/api/current.txt
index d2f63fa..0f4231d 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -27245,7 +27245,7 @@
     method @Nullable public CharSequence getQueueTitle();
     method public int getRatingType();
     method @Nullable public android.app.PendingIntent getSessionActivity();
-    method @Nullable public android.os.Bundle getSessionInfo();
+    method @NonNull public android.os.Bundle getSessionInfo();
     method @NonNull public android.media.session.MediaSession.Token getSessionToken();
     method @NonNull public android.media.session.MediaController.TransportControls getTransportControls();
     method public void registerCallback(@NonNull android.media.session.MediaController.Callback);
diff --git a/cmds/incidentd/Android.bp b/cmds/incidentd/Android.bp
index 8f9a5f8..9c9b6c7 100644
--- a/cmds/incidentd/Android.bp
+++ b/cmds/incidentd/Android.bp
@@ -59,6 +59,12 @@
         "libservices",
         "libutils",
         "libprotobuf-cpp-lite",
+        "libcrypto",
+        "libkeystore_aidl",
+        "libkeystore_binder",
+        "libkeystore_parcelables",
+        "android.hardware.keymaster@4.0",
+        "libkeymaster4support",
     ],
 
     static_libs: [
@@ -111,6 +117,8 @@
         "src/incidentd_util.cpp",
         "src/proto_util.cpp",
         "src/report_directory.cpp",
+        "src/cipher/IncidentKeyStore.cpp",
+        "src/cipher/ProtoEncryption.cpp",
         "src/**/*.proto",
     ],
 
@@ -132,6 +140,12 @@
         "libprotoutil",
         "libservices",
         "libutils",
+        "libcrypto",
+        "libkeystore_aidl",
+        "libkeystore_binder",
+        "libkeystore_parcelables",
+        "android.hardware.keymaster@4.0",
+        "libkeymaster4support",
     ],
 
     target: {
diff --git a/cmds/incidentd/src/Privacy.cpp b/cmds/incidentd/src/Privacy.cpp
index 386303b..91f0dd3 100644
--- a/cmds/incidentd/src/Privacy.cpp
+++ b/cmds/incidentd/src/Privacy.cpp
@@ -37,6 +37,8 @@
     return NULL;
 }
 
+bool sectionEncryption(int section_id) { return section_id == 3025 /*restricted image section*/; }
+
 static bool isAllowed(const uint8_t policy, const uint8_t check) {
     switch (check) {
         case PRIVACY_POLICY_LOCAL:
diff --git a/cmds/incidentd/src/Privacy.h b/cmds/incidentd/src/Privacy.h
index fc8caae..b599c1c4 100644
--- a/cmds/incidentd/src/Privacy.h
+++ b/cmds/incidentd/src/Privacy.h
@@ -87,6 +87,9 @@
     uint8_t mPolicy;
 };
 
+// TODO: Add privacy flag in incident.proto and auto generate it inside Privacy.
+bool sectionEncryption(int section_id);
+
 }  // namespace incidentd
 }  // namespace os
 }  // namespace android
diff --git a/cmds/incidentd/src/PrivacyFilter.cpp b/cmds/incidentd/src/PrivacyFilter.cpp
index 7126322..e8fa4f4 100644
--- a/cmds/incidentd/src/PrivacyFilter.cpp
+++ b/cmds/incidentd/src/PrivacyFilter.cpp
@@ -16,15 +16,18 @@
 #define DEBUG false
 #include "Log.h"
 
-#include "incidentd_util.h"
 #include "PrivacyFilter.h"
-#include "proto_util.h"
 
 #include <android-base/file.h>
-#include <android/util/protobuf.h>
 #include <android/util/ProtoFileReader.h>
+#include <android/util/protobuf.h>
 #include <log/log.h>
 
+#include "cipher/IncidentKeyStore.h"
+#include "cipher/ProtoEncryption.h"
+#include "incidentd_util.h"
+#include "proto_util.h"
+
 namespace android {
 namespace os {
 namespace incidentd {
@@ -141,6 +144,8 @@
      */
     status_t writeData(int fd);
 
+    sp<ProtoReader> getData() { return mData; }
+
 private:
     /**
      * The global set of field --> required privacy level mapping.
@@ -247,8 +252,47 @@
     mOutputs.push_back(output);
 }
 
-status_t PrivacyFilter::writeData(const FdBuffer& buffer, uint8_t bufferLevel,
-        size_t* maxSize) {
+static void write_section_to_file(int sectionId, FieldStripper& fieldStripper, sp<FilterFd> output,
+                                  bool encryptIfNeeded) {
+    status_t err;
+
+    if (sectionEncryption(sectionId) && encryptIfNeeded) {
+        ProtoEncryptor encryptor(fieldStripper.getData());
+        size_t encryptedSize = encryptor.encrypt();
+
+        if (encryptedSize <= 0) {
+            output->onWriteError(BAD_VALUE);
+            return;
+        }
+        err = write_section_header(output->getFd(), sectionId, encryptedSize);
+        VLOG("Encrypted: write section header size %lu", (unsigned long)encryptedSize);
+
+        encryptor.flush(output->getFd());
+
+        if (err != NO_ERROR) {
+            output->onWriteError(err);
+            return;
+        }
+    } else {
+        err = write_section_header(output->getFd(), sectionId, fieldStripper.dataSize());
+        VLOG("No encryption: write section header size %lu",
+             (unsigned long)fieldStripper.dataSize());
+
+        if (err != NO_ERROR) {
+            output->onWriteError(err);
+            return;
+        }
+
+        err = fieldStripper.writeData(output->getFd());
+        if (err != NO_ERROR) {
+            output->onWriteError(err);
+            return;
+        }
+    }
+}
+
+status_t PrivacyFilter::writeData(const FdBuffer& buffer, uint8_t bufferLevel, size_t* maxSize,
+                                  bool encryptIfNeeded) {
     status_t err;
 
     if (maxSize != NULL) {
@@ -258,9 +302,9 @@
     // Order the writes by privacy filter, with increasing levels of filtration,k
     // so we can do the filter once, and then write many times.
     sort(mOutputs.begin(), mOutputs.end(),
-        [](const sp<FilterFd>& a, const sp<FilterFd>& b) -> bool { 
-            return a->getPrivacyPolicy() < b->getPrivacyPolicy();
-        });
+         [](const sp<FilterFd>& a, const sp<FilterFd>& b) -> bool {
+             return a->getPrivacyPolicy() < b->getPrivacyPolicy();
+         });
 
     uint8_t privacyPolicy = PRIVACY_POLICY_LOCAL; // a.k.a. no filtering
     FieldStripper fieldStripper(mRestrictions, buffer.data()->read(), bufferLevel);
@@ -279,17 +323,7 @@
         // Write the resultant buffer to the fd, along with the header.
         ssize_t dataSize = fieldStripper.dataSize();
         if (dataSize > 0) {
-            err = write_section_header(output->getFd(), mSectionId, dataSize);
-            if (err != NO_ERROR) {
-                output->onWriteError(err);
-                continue;
-            }
-
-            err = fieldStripper.writeData(output->getFd());
-            if (err != NO_ERROR) {
-                output->onWriteError(err);
-                continue;
-            }
+            write_section_to_file(mSectionId, fieldStripper, output, encryptIfNeeded);
         }
 
         if (maxSize != NULL) {
@@ -334,14 +368,25 @@
         uint32_t fieldId = read_field_id(fieldTag);
         uint8_t wireType = read_wire_type(fieldTag);
         if (wireType == WIRE_TYPE_LENGTH_DELIMITED && args.containsSection(fieldId)) {
+            VLOG("Read section %d", fieldId);
             // We need this field, but we need to strip it to the level provided in args.
             PrivacyFilter filter(fieldId, get_privacy_of_section(fieldId));
             filter.addFd(new ReadbackFilterFd(args.getPrivacyPolicy(), to));
 
             // Read this section from the reader into an FdBuffer
             size_t sectionSize = reader->readRawVarint();
+
             FdBuffer sectionData;
-            err = sectionData.write(reader, sectionSize);
+
+            // Write data to FdBuffer, if the section was encrypted, decrypt first.
+            if (sectionEncryption(fieldId)) {
+                VLOG("sectionSize %lu", (unsigned long)sectionSize);
+                ProtoDecryptor decryptor(reader, sectionSize);
+                err = decryptor.decryptAndFlush(&sectionData);
+            } else {
+                err = sectionData.write(reader, sectionSize);
+            }
+
             if (err != NO_ERROR) {
                 ALOGW("filter_and_write_report FdBuffer.write failed (this shouldn't happen): %s",
                         strerror(-err));
@@ -349,7 +394,8 @@
             }
 
             // Do the filter and write.
-            err = filter.writeData(sectionData, bufferLevel, nullptr);
+            err = filter.writeData(sectionData, bufferLevel, nullptr,
+                                   false /* do not encrypt again*/);
             if (err != NO_ERROR) {
                 ALOGW("filter_and_write_report filter.writeData had an error: %s", strerror(-err));
                 return err;
@@ -358,6 +404,7 @@
             // We don't need this field.  Incident does not have any direct children
             // other than sections.  So just skip them.
             write_field_or_skip(NULL, reader, fieldTag, true);
+            VLOG("Skip this.... section %d", fieldId);
         }
     }
 
diff --git a/cmds/incidentd/src/PrivacyFilter.h b/cmds/incidentd/src/PrivacyFilter.h
index 76b2849..d426db9 100644
--- a/cmds/incidentd/src/PrivacyFilter.h
+++ b/cmds/incidentd/src/PrivacyFilter.h
@@ -82,8 +82,14 @@
      * was written (i.e. after filtering).
      *
      * The buffer is assumed to have already been filtered to bufferLevel.
+     *
+     * This function can be called when persisting data to disk or when sending
+     * data to client. In the former case, we need to encrypt the data when that
+     * section requires encryption. In the latter case, we shouldn't send the
+     * unencrypted data to client.
      */
-    status_t writeData(const FdBuffer& buffer, uint8_t bufferLevel, size_t* maxSize);
+    status_t writeData(const FdBuffer& buffer, uint8_t bufferLevel, size_t* maxSize,
+                       bool encryptIfNeeded);
 
 private:
     int mSectionId;
diff --git a/cmds/incidentd/src/Reporter.cpp b/cmds/incidentd/src/Reporter.cpp
index 218c1b2..322b972 100644
--- a/cmds/incidentd/src/Reporter.cpp
+++ b/cmds/incidentd/src/Reporter.cpp
@@ -447,7 +447,8 @@
         }
     });
 
-    return filter.writeData(buffer, PRIVACY_POLICY_LOCAL, &mMaxSectionDataFilteredSize);
+    return filter.writeData(buffer, PRIVACY_POLICY_LOCAL, &mMaxSectionDataFilteredSize,
+                            true /*encrypt if needed*/);
 }
 
 
diff --git a/cmds/incidentd/src/cipher/IncidentKeyStore.cpp b/cmds/incidentd/src/cipher/IncidentKeyStore.cpp
new file mode 100644
index 0000000..ae0a920
--- /dev/null
+++ b/cmds/incidentd/src/cipher/IncidentKeyStore.cpp
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Log.h"
+
+#include "IncidentKeyStore.h"
+
+#include <sys/stat.h>
+
+static constexpr size_t AES_KEY_BYTES = 32;
+static constexpr size_t GCM_MAC_BYTES = 16;
+constexpr char kKeyname[] = "IncidentKey";
+
+namespace android {
+namespace os {
+namespace incidentd {
+
+using namespace keystore;
+using std::string;
+
+IncidentKeyStore& IncidentKeyStore::getInstance() {
+    static IncidentKeyStore sInstance(new keystore::KeystoreClientImpl);
+    return sInstance;
+}
+
+bool IncidentKeyStore::encrypt(const string& data, int32_t flags, string* output) {
+    std::lock_guard<std::mutex> lock(mMutex);
+    if (data.empty()) {
+        ALOGW("IncidentKeyStore: Encrypt empty data?!");
+        return false;
+    }
+    if (!mClient->doesKeyExist(kKeyname)) {
+        auto gen_result = generateKeyLocked(kKeyname, 0);
+        if (!gen_result.isOk()) {
+            ALOGE("IncidentKeyStore: Key generate failed.");
+            return false;
+        }
+    }
+    if (!mClient->encryptWithAuthentication(kKeyname, data, flags, output)) {
+        ALOGE("IncidentKeyStore: Encryption failed.");
+        return false;
+    }
+    return true;
+}
+
+bool IncidentKeyStore::decrypt(const std::string& input, string* output) {
+    std::lock_guard<std::mutex> lock(mMutex);
+    if (input.empty()) {
+        ALOGE("IncidentKeyStore: Decrypt empty input?");
+        return false;
+    }
+    if (!mClient->decryptWithAuthentication(kKeyname, input, output)) {
+        ALOGE("IncidentKeyStore: Decryption failed.");
+        return false;
+    }
+    return true;
+}
+
+KeyStoreNativeReturnCode IncidentKeyStore::generateKeyLocked(const std::string& name,
+                                                             int32_t flags) {
+    auto paramBuilder = AuthorizationSetBuilder()
+                                .AesEncryptionKey(AES_KEY_BYTES * 8)
+                                .GcmModeMinMacLen(GCM_MAC_BYTES * 8)
+                                .Authorization(TAG_NO_AUTH_REQUIRED);
+
+    AuthorizationSet hardware_enforced_characteristics;
+    AuthorizationSet software_enforced_characteristics;
+    return mClient->generateKey(name, paramBuilder, flags, &hardware_enforced_characteristics,
+                                &software_enforced_characteristics);
+}
+
+}  // namespace incidentd
+}  // namespace os
+}  // namespace android
diff --git a/cmds/incidentd/src/cipher/IncidentKeyStore.h b/cmds/incidentd/src/cipher/IncidentKeyStore.h
new file mode 100644
index 0000000..27611cd
--- /dev/null
+++ b/cmds/incidentd/src/cipher/IncidentKeyStore.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include <keystore/keystore_client_impl.h>
+
+namespace android {
+namespace os {
+namespace incidentd {
+
+class IncidentKeyStore {
+public:
+    static IncidentKeyStore& getInstance();
+
+    IncidentKeyStore(keystore::KeystoreClient* client) : mClient(client) {}
+
+    /**
+     * Encrypt the plainText and output the encrypted message.
+     *
+     * Returns true on success and false otherwise.
+     * If the key has not been created yet, it will generate the key in KeyMaster.
+     */
+    bool encrypt(const std::string& plainText, int32_t flags, std::string* output);
+
+    /**
+     * Decrypt and output the decrypted message.
+     *
+     * Returns true on success and false otherwise.
+     */
+    bool decrypt(const std::string& encryptedData, std::string* output);
+
+private:
+    std::unique_ptr<keystore::KeystoreClient> mClient;
+    std::mutex mMutex;
+    keystore::KeyStoreNativeReturnCode generateKeyLocked(const std::string& name, int32_t flags);
+};
+
+}  // namespace incidentd
+}  // namespace os
+}  // namespace android
diff --git a/cmds/incidentd/src/cipher/ProtoEncryption.cpp b/cmds/incidentd/src/cipher/ProtoEncryption.cpp
new file mode 100644
index 0000000..493796d
--- /dev/null
+++ b/cmds/incidentd/src/cipher/ProtoEncryption.cpp
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define DEBUG true  // STOPSHIP if true
+#include "Log.h"
+
+#include "ProtoEncryption.h"
+
+#include <android/util/protobuf.h>
+
+#include "IncidentKeyStore.h"
+
+namespace android {
+namespace os {
+namespace incidentd {
+
+using android::util::FIELD_COUNT_REPEATED;
+using android::util::FIELD_TYPE_STRING;
+using android::util::ProtoOutputStream;
+using android::util::ProtoReader;
+using std::string;
+
+static const int FIELD_ID_BLOCK = 1;
+
+size_t ProtoEncryptor::encrypt() {
+    string block;
+    int i = 0;
+    // Read at most sBlockSize at a time and encrypt.
+    while (mReader->readBuffer() != NULL) {
+        size_t readBytes =
+                mReader->currentToRead() > sBlockSize ? sBlockSize : mReader->currentToRead();
+        block.resize(readBytes);
+        std::memcpy(block.data(), mReader->readBuffer(), readBytes);
+
+        string encrypted;
+        if (IncidentKeyStore::getInstance().encrypt(block, 0, &encrypted)) {
+            mOutputStream.write(FIELD_TYPE_STRING | FIELD_ID_BLOCK | FIELD_COUNT_REPEATED,
+                                encrypted);
+            VLOG("Block %d Encryption: original %lld now %lld", i++, (long long)readBytes,
+                 (long long)encrypted.length());
+            mReader->move(readBytes);
+        } else {
+            return 0;
+        }
+    }
+    return mOutputStream.size();
+}
+
+status_t ProtoEncryptor::flush(int fd) {
+    if (!mOutputStream.flush(fd)) {
+        return BAD_VALUE;
+    }
+    return NO_ERROR;
+}
+
+status_t ProtoDecryptor::readOneBlock(string* output) {
+    if (!mReader->hasNext()) {
+        return NO_ERROR;
+    }
+    uint64_t fieldTag = mReader->readRawVarint();
+    uint32_t fieldId = read_field_id(fieldTag);
+    uint8_t wireType = read_wire_type(fieldTag);
+    if (wireType == WIRE_TYPE_LENGTH_DELIMITED) {
+        // Read this section from the reader into an FdBuffer
+        size_t sectionSize = mReader->readRawVarint();
+        output->resize(sectionSize);
+        size_t pos = 0;
+        while (pos < sectionSize && mReader->readBuffer() != NULL) {
+            size_t toRead = (sectionSize - pos) > mReader->currentToRead()
+                                    ? mReader->currentToRead()
+                                    : (sectionSize - pos);
+            std::memcpy(&((output->data())[pos]), mReader->readBuffer(), toRead);
+            pos += toRead;
+            mReader->move(toRead);
+        }
+        if (pos != sectionSize) {
+            return BAD_VALUE;
+            ALOGE("Failed to read one block");
+        }
+    } else {
+        return BAD_VALUE;
+    }
+    return NO_ERROR;
+}
+
+status_t ProtoDecryptor::decryptAndFlush(FdBuffer* out) {
+    size_t mStartBytes = mReader->bytesRead();
+    size_t bytesRead = 0;
+    int i = 0;
+    status_t err = NO_ERROR;
+    // Let's read until we read mTotalSize. If any error occurs before that, make sure to move the
+    // read pointer so the caller can continue to read the following sections.
+    while (bytesRead < mTotalSize) {
+        string block;
+        err = readOneBlock(&block);
+        bytesRead = mReader->bytesRead() - mStartBytes;
+
+        if (err != NO_ERROR) {
+            break;
+        }
+
+        if (block.length() == 0) {
+            VLOG("Done reading all blocks");
+            break;
+        }
+
+        string decryptedBlock;
+        if ((IncidentKeyStore::getInstance()).decrypt(block, &decryptedBlock)) {
+            VLOG("Block %d Original Size %lu Decrypted size %lu", i++,
+                 (unsigned long)block.length(), (unsigned long)decryptedBlock.length());
+            out->write(reinterpret_cast<uint8_t*>(decryptedBlock.data()), decryptedBlock.length());
+        } else {
+            err = BAD_VALUE;
+            break;
+        }
+    }
+
+    if (bytesRead < mTotalSize) {
+        mReader->move(mTotalSize - bytesRead);
+    }
+    return err;
+}
+
+}  // namespace incidentd
+}  // namespace os
+}  // namespace android
diff --git a/cmds/incidentd/src/cipher/ProtoEncryption.h b/cmds/incidentd/src/cipher/ProtoEncryption.h
new file mode 100644
index 0000000..5b72ca8
--- /dev/null
+++ b/cmds/incidentd/src/cipher/ProtoEncryption.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include <android/util/ProtoOutputStream.h>
+#include <android/util/ProtoReader.h>
+#include <frameworks/base/cmds/incidentd/src/cipher/cipher_blocks.pb.h>
+
+#include "FdBuffer.h"
+
+namespace android {
+namespace os {
+namespace incidentd {
+
+// PlainText IncidentReport format
+// [section1_header(id, size, type)][section1_data] ...
+
+// Let's say section1 needs encryption
+// After encryption, it becomes
+// [section1_header(id, encrypted_size, type)][[cipher_block][cipher_block][cipher_block]..]
+
+// When clients read the report, it's decrypted, and written in its original format
+
+/**
+ * Takes a ProtoReader, encrypts its whole content -- which is one section, and flush to
+ * a file descriptor.
+ * The underlying encryption is done using Keystore binder APIs. We encrypt the data
+ * in blocks, and write to the file in android.os.incidentd.CipherBlocks format.
+ */
+class ProtoEncryptor {
+public:
+    ProtoEncryptor(const sp<android::util::ProtoReader>& reader) : mReader(reader){};
+
+    // Encrypt the data from ProtoReader, and store in CipherBlocks format.
+    // return the size of CipherBlocks.
+    size_t encrypt();
+
+    status_t flush(int fd);
+
+private:
+    static const size_t sBlockSize = 8 * 1024;
+    const sp<android::util::ProtoReader> mReader;
+    android::util::ProtoOutputStream mOutputStream;
+};
+
+// Read data from ProtoReader, which is in CipherBlocks proto format. Parse and decrypt
+// block by block.
+class ProtoDecryptor {
+public:
+    ProtoDecryptor(const sp<android::util::ProtoReader>& reader, size_t size)
+        : mReader(reader), mTotalSize(size){};
+    status_t decryptAndFlush(FdBuffer* out);
+
+private:
+    const sp<android::util::ProtoReader> mReader;
+
+    // Total size in bytes we should read from ProtoReader.
+    const size_t mTotalSize;
+
+    // Read one cipher block from ProtoReader, instead of reading the whole content
+    // and parse to CipherBlocks which could be huge.
+    status_t readOneBlock(std::string* output);
+};
+
+}  // namespace incidentd
+}  // namespace os
+}  // namespace android
diff --git a/cmds/incidentd/src/cipher/cipher_blocks.proto b/cmds/incidentd/src/cipher/cipher_blocks.proto
new file mode 100644
index 0000000..5c7ed24
--- /dev/null
+++ b/cmds/incidentd/src/cipher/cipher_blocks.proto
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto2";
+
+package android.os.incidentd;
+
+// This proto is never instantiated anywhere. It only exists to keep a record of the format of the
+// encrypted data on disk.
+message CipherBlocks {
+    repeated string blocks = 1;
+}
diff --git a/cmds/incidentd/tests/IncidentKeyStore_test.cpp b/cmds/incidentd/tests/IncidentKeyStore_test.cpp
new file mode 100644
index 0000000..2250fda
--- /dev/null
+++ b/cmds/incidentd/tests/IncidentKeyStore_test.cpp
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "cipher/IncidentKeyStore.h"
+
+#include <binder/ProcessState.h>
+#include <gtest/gtest.h>
+
+#include <fstream>
+
+using namespace android::os::incidentd;
+
+class IncidentKeyStoreTest : public ::testing::Test {
+protected:
+    std::unique_ptr<IncidentKeyStore> incidentKeyStore;
+    void SetUp() override {
+        android::ProcessState::self()->startThreadPool();
+        incidentKeyStore = std::make_unique<IncidentKeyStore>(
+                static_cast<keystore::KeystoreClient*>(new keystore::KeystoreClientImpl));
+    };
+    void TearDown() override { incidentKeyStore = nullptr; };
+};
+
+TEST_F(IncidentKeyStoreTest, test_encrypt_decrypt) {
+    std::string plaintext;
+    plaintext.resize(4 * 1024, 'a');
+
+    std::string encrypted;
+    EXPECT_TRUE(incidentKeyStore->encrypt(plaintext, 0, &encrypted));
+    std::string decrypted;
+    EXPECT_TRUE(incidentKeyStore->decrypt(encrypted, &decrypted));
+
+    EXPECT_FALSE(encrypted.empty());
+    EXPECT_EQ(plaintext, decrypted);
+}
+
+TEST_F(IncidentKeyStoreTest, test_encrypt_empty_hash) {
+    std::string hash = "";
+
+    std::string encrypted;
+    EXPECT_FALSE(incidentKeyStore->encrypt(hash, 0, &encrypted));
+
+    EXPECT_TRUE(encrypted.empty());
+}
+
+TEST_F(IncidentKeyStoreTest, test_decrypt_empty_hash) {
+    std::string hash = "";
+
+    std::string decrypted;
+    EXPECT_FALSE(incidentKeyStore->decrypt(hash, &decrypted));
+
+    EXPECT_TRUE(decrypted.empty());
+}
\ No newline at end of file
diff --git a/cmds/incidentd/tests/ProtoEncryption_test.cpp b/cmds/incidentd/tests/ProtoEncryption_test.cpp
new file mode 100644
index 0000000..6742e03
--- /dev/null
+++ b/cmds/incidentd/tests/ProtoEncryption_test.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Log.h"
+
+#include "cipher/ProtoEncryption.h"
+
+#include <android-base/file.h>
+#include <gtest/gtest.h>
+
+#include "FdBuffer.h"
+#include "android/util/ProtoFileReader.h"
+
+using namespace android::os::incidentd;
+using android::sp;
+using std::string;
+using ::testing::Test;
+
+const std::string kTestPath = GetExecutableDirectory();
+const std::string kTestDataPath = kTestPath + "/testdata/";
+
+TEST(ProtoEncryptionTest, test_encrypt_decrypt) {
+    const std::string plaintextFile = kTestDataPath + "plaintext.txt";
+    const std::string encryptedFile = kTestDataPath + "encrypted.txt";
+    size_t msg1Size = 20 * 1024;
+
+    // Create a file with plain text.
+    {
+        unique_fd fd(
+                open(plaintextFile.c_str(), O_WRONLY | O_CREAT | O_CLOEXEC, S_IRUSR | S_IWUSR));
+        ASSERT_NE(fd.get(), -1);
+        string content;
+        content.resize(msg1Size, 'a');
+        WriteFully(fd, content.data(), msg1Size);
+    }
+
+    // Read the plain text and encrypted
+    {
+        unique_fd readFd(open(plaintextFile.c_str(), O_RDONLY | O_CLOEXEC));
+        unique_fd encryptedFd(
+                open(encryptedFile.c_str(), O_WRONLY | O_CREAT | O_CLOEXEC, S_IRUSR | S_IWUSR));
+
+        ASSERT_NE(readFd.get(), -1);
+        ASSERT_NE(encryptedFd.get(), -1);
+
+        sp<ProtoFileReader> reader = new ProtoFileReader(readFd.get());
+        ProtoEncryptor encryptor(reader);
+        EXPECT_TRUE(encryptor.encrypt() > msg1Size);
+
+        encryptor.flush(encryptedFd.get());
+    }
+
+    // Read the encrypted file, and decrypt
+    unique_fd encryptedFd(open(encryptedFile.c_str(), O_RDONLY | O_CLOEXEC));
+    ASSERT_NE(encryptedFd.get(), -1);
+    FdBuffer output;
+    sp<ProtoFileReader> reader2 = new ProtoFileReader(encryptedFd.get());
+    ProtoDecryptor decryptor(reader2, reader2->size());
+    decryptor.decryptAndFlush(&output);
+
+    auto decryptedReader = output.data()->read();
+
+    // Check the content.
+    int count = 0;
+    while (decryptedReader->hasNext()) {
+        if (decryptedReader->next() == 'a') {
+            count++;
+        }
+    }
+
+    EXPECT_EQ(msg1Size, count);
+}
\ No newline at end of file
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index e66cd31..3898328 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -39,7 +39,6 @@
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Rect;
-import android.media.MediaScannerConnection;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -8609,6 +8608,13 @@
      * fields, the identifier is <em>never</em> used for matching against an {@link IntentFilter};
      * it is as if the identifier has not been set on the Intent.
      *
+     * <p>This can be used, for example, to make this Intent unique from other Intents that
+     * are otherwise the same, for use in creating a {@link android.app.PendingIntent}.  (Be aware
+     * however that the receiver of the PendingIntent will see whatever you put in here.)  The
+     * structure of this string is completely undefined by the platform, however if you are going
+     * to be exposing identifier strings across different applications you may need to define
+     * your own structure if there is no central party defining the contents of this field.</p>
+     *
      * @param identifier The identifier for this Intent.  The contents of the string have no
      *                   meaning to the system, except whether they are exactly the same as
      *                   another identifier.
@@ -10181,6 +10187,9 @@
         if (mType != null) {
             proto.write(IntentProto.TYPE, mType);
         }
+        if (mIdentifier != null) {
+            proto.write(IntentProto.IDENTIFIER, mIdentifier);
+        }
         if (mFlags != 0) {
             proto.write(IntentProto.FLAG, "0x" + Integer.toHexString(mFlags));
         }
diff --git a/core/java/android/hardware/camera2/CameraMetadata.java b/core/java/android/hardware/camera2/CameraMetadata.java
index 3ffc21d..04e8cf4 100644
--- a/core/java/android/hardware/camera2/CameraMetadata.java
+++ b/core/java/android/hardware/camera2/CameraMetadata.java
@@ -609,16 +609,17 @@
 
     /**
      * <p>The camera device supports capturing high-resolution images at &gt;= 20 frames per
-     * second, in at least the uncompressed YUV format, when post-processing settings are set
-     * to FAST. Additionally, maximum-resolution images can be captured at &gt;= 10 frames
-     * per second.  Here, 'high resolution' means at least 8 megapixels, or the maximum
-     * resolution of the device, whichever is smaller.</p>
+     * second, in at least the uncompressed YUV format, when post-processing settings are
+     * set to FAST. Additionally, all image resolutions less than 24 megapixels can be
+     * captured at &gt;= 10 frames per second. Here, 'high resolution' means at least 8
+     * megapixels, or the maximum resolution of the device, whichever is smaller.</p>
      * <p>More specifically, this means that a size matching the camera device's active array
      * size is listed as a supported size for the {@link android.graphics.ImageFormat#YUV_420_888 } format in either {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputSizes } or {@link android.hardware.camera2.params.StreamConfigurationMap#getHighResolutionOutputSizes },
      * with a minimum frame duration for that format and size of either &lt;= 1/20 s, or
-     * &lt;= 1/10 s, respectively; and the {@link CameraCharacteristics#CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES android.control.aeAvailableTargetFpsRanges} entry
-     * lists at least one FPS range where the minimum FPS is &gt;= 1 / minimumFrameDuration
-     * for the maximum-size YUV_420_888 format.  If that maximum size is listed in {@link android.hardware.camera2.params.StreamConfigurationMap#getHighResolutionOutputSizes },
+     * &lt;= 1/10 s if the image size is less than 24 megapixels, respectively; and
+     * the {@link CameraCharacteristics#CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES android.control.aeAvailableTargetFpsRanges} entry lists at least one FPS range
+     * where the minimum FPS is &gt;= 1 / minimumFrameDuration for the maximum-size
+     * YUV_420_888 format.  If that maximum size is listed in {@link android.hardware.camera2.params.StreamConfigurationMap#getHighResolutionOutputSizes },
      * then the list of resolutions for YUV_420_888 from {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputSizes } contains at
      * least one resolution &gt;= 8 megapixels, with a minimum frame duration of &lt;= 1/20
      * s.</p>
diff --git a/core/java/android/hardware/camera2/params/StreamConfigurationMap.java b/core/java/android/hardware/camera2/params/StreamConfigurationMap.java
index 996f997..bdba77c 100644
--- a/core/java/android/hardware/camera2/params/StreamConfigurationMap.java
+++ b/core/java/android/hardware/camera2/params/StreamConfigurationMap.java
@@ -838,8 +838,10 @@
      * {@link android.hardware.camera2.CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE BURST_CAPTURE}
      * capability.  This does not include the stall duration, so for example, a JPEG or RAW16 output
      * resolution with a large stall duration but a minimum frame duration that's above 20 fps will
-     * still be listed in the regular {@link #getOutputSizes} list. All the sizes on this list are
-     * still guaranteed to operate at a rate of at least 10 fps, not including stall duration.</p>
+     * still be listed in the regular {@link #getOutputSizes} list. All the sizes on this list that
+     * are less than 24 megapixels are still guaranteed to operate at a rate of at least 10 fps,
+     * not including stall duration. Sizes on this list that are at least 24 megapixels are allowed
+     * to operate at less than 10 fps.</p>
      *
      * <p>For a device that does not support the BURST_CAPTURE capability, this list will be
      * {@code null}, since resolutions in the {@link #getOutputSizes} list are already not
diff --git a/core/java/com/android/internal/app/ChooserActivity.java b/core/java/com/android/internal/app/ChooserActivity.java
index e6cff80..ca2bc7f 100644
--- a/core/java/com/android/internal/app/ChooserActivity.java
+++ b/core/java/com/android/internal/app/ChooserActivity.java
@@ -60,6 +60,7 @@
 import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.Path;
+import android.graphics.drawable.AnimatedVectorDrawable;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.Icon;
@@ -479,6 +480,28 @@
             if (isSendAction(target)) {
                 mResolverDrawerLayout.setOnScrollChangeListener(this::handleScroll);
             }
+
+            final View chooserHeader = mResolverDrawerLayout.findViewById(R.id.chooser_header);
+            final float defaultElevation = chooserHeader.getElevation();
+            final float chooserHeaderScrollElevation =
+                    getResources().getDimensionPixelSize(R.dimen.chooser_header_scroll_elevation);
+
+            mAdapterView.setOnScrollListener(new AbsListView.OnScrollListener() {
+                public void onScrollStateChanged(AbsListView view, int scrollState) {
+                }
+
+                public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount,
+                        int totalItemCount) {
+                    if (view.getChildCount() > 0) {
+                        if (firstVisibleItem > 0 || view.getChildAt(0).getTop() < 0) {
+                            chooserHeader.setElevation(chooserHeaderScrollElevation);
+                            return;
+                        }
+                    }
+
+                    chooserHeader.setElevation(defaultElevation);
+                }
+            });
         }
 
         if (DEBUG) {
@@ -1680,7 +1703,10 @@
 
     final class PlaceHolderTargetInfo extends NotSelectableTargetInfo {
         public Drawable getDisplayIcon() {
-            return getDrawable(R.drawable.resolver_icon_placeholder);
+            AnimatedVectorDrawable avd = (AnimatedVectorDrawable)
+                    getDrawable(R.drawable.chooser_direct_share_icon_placeholder);
+            avd.start(); // Start animation after generation
+            return avd;
         }
     }
 
diff --git a/core/java/com/android/internal/statusbar/IStatusBarService.aidl b/core/java/com/android/internal/statusbar/IStatusBarService.aidl
index 8f8e4d8..f22b6cd 100644
--- a/core/java/com/android/internal/statusbar/IStatusBarService.aidl
+++ b/core/java/com/android/internal/statusbar/IStatusBarService.aidl
@@ -76,6 +76,7 @@
             in int notificationLocation, boolean modifiedBeforeSending);
     void onNotificationSettingsViewed(String key);
     void setSystemUiVisibility(int displayId, int vis, int mask, String cause);
+    void onNotificationBubbleChanged(String key, boolean isBubble);
 
     void onGlobalActionsShown();
     void onGlobalActionsHidden();
diff --git a/core/jni/android_view_Surface.cpp b/core/jni/android_view_Surface.cpp
index a900294..ccadc7d 100644
--- a/core/jni/android_view_Surface.cpp
+++ b/core/jni/android_view_Surface.cpp
@@ -212,6 +212,10 @@
         return 0;
     }
 
+    if (convertPixelFormat(ANativeWindow_getFormat(surface.get())) == kUnknown_SkColorType) {
+        native_window_set_buffers_format(surface.get(), PIXEL_FORMAT_RGBA_8888);
+    }
+
     Rect dirtyRect(Rect::EMPTY_RECT);
     Rect* dirtyRectPtr = NULL;
 
diff --git a/core/proto/android/content/intent.proto b/core/proto/android/content/intent.proto
index 2de538d..014d71c 100644
--- a/core/proto/android/content/intent.proto
+++ b/core/proto/android/content/intent.proto
@@ -23,7 +23,7 @@
 import "frameworks/base/core/proto/android/os/patternmatcher.proto";
 import "frameworks/base/core/proto/android/privacy.proto";
 
-// Next Tag: 13
+// Next Tag: 14
 message IntentProto {
     option (.android.msg_privacy).dest = DEST_AUTOMATIC;
 
@@ -62,6 +62,7 @@
     // UserHandle value (similar to user_id in other protos).
     optional int32 content_user_hint = 11;
     optional string selector = 12;
+    optional string identifier = 13 [ (.android.privacy).dest = DEST_EXPLICIT ];
 }
 
 // Next Tag: 11
diff --git a/core/res/res/drawable/chooser_direct_share_icon_placeholder.xml b/core/res/res/drawable/chooser_direct_share_icon_placeholder.xml
new file mode 100644
index 0000000..838cb49
--- /dev/null
+++ b/core/res/res/drawable/chooser_direct_share_icon_placeholder.xml
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2019 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
+                 xmlns:aapt="http://schemas.android.com/aapt">
+    <aapt:attr name="android:drawable">
+        <vector xmlns:android="http://schemas.android.com/apk/res/android"
+                xmlns:aapt="http://schemas.android.com/aapt"
+                android:width="36dp"
+                android:height="36dp"
+                android:viewportHeight="64"
+                android:viewportWidth="64">
+
+            <group android:name="background">
+                <path android:pathData="M0,0 L 64,0 64,64 0,64 z"
+                      android:fillColor="@color/chooser_gradient_background"/>
+            </group>
+
+            <!-- Gradient starts offscreen so it is not visible in the first frame before start -->
+            <group android:name="gradient" android:translateX="-128">
+                <path
+                    android:pathData="M0,0 L 128,0 128,128 0,128 z">
+                    <aapt:attr name="android:fillColor">
+                        <gradient
+                            android:type="linear"
+                            android:startX="0"
+                            android:endX="128"
+                            android:startY="0"
+                            android:endY="0">
+                            <item
+                                android:color="@android:color/transparent"
+                                android:offset="0.0" />
+                            <item
+                                android:color="@color/chooser_gradient_highlight"
+                                android:offset="0.5" />
+                            <item
+                                android:color="@android:color/transparent"
+                                android:offset="1.0" />
+                        </gradient>
+                    </aapt:attr>
+                </path>
+            </group>
+
+            <!-- Use a foregroud with a cutout shape matching direct share inset for appx applied
+                 shadow. Using clip-path is a more elegant solution but leaves awful jaggies around
+                 the path's shape. -->
+            <group android:name="cover">
+                <path android:fillColor="?attr/colorBackgroundFloating"
+                      android:pathData="M0,0 L64,0 L64,64 L0,64 L0,0 Z M59.0587325,42.453601 C60.3124932,39.2104785 61,35.6855272 61,32 C61,15.9837423 48.0162577,3 32,3 C15.9837423,3 3,15.9837423 3,32 C3,48.0162577 15.9837423,61 32,61 C35.6855272,61 39.2104785,60.3124932 42.453601,59.0587325 C44.3362195,60.2864794 46.5847839,61 49,61 C55.627417,61 61,55.627417 61,49 C61,46.5847839 60.2864794,44.3362195 59.0587325,42.453601 Z"/>
+            </group>
+        </vector>
+    </aapt:attr>
+
+    <!-- This AVD uses special properties so that once started it will loop infinitely with no
+         need for callbacks to restart. -->
+    <target android:name="gradient">
+        <aapt:attr name="android:animation">
+            <objectAnimator
+                android:duration="1700"
+                android:pathData="M -128,0 L 192,0"
+                android:propertyXName="translateX"
+                android:repeatMode="restart"
+                android:repeatCount="infinite"
+                android:startOffset="0">
+                <aapt:attr name="android:interpolator">
+                    <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                </aapt:attr>
+            </objectAnimator>
+        </aapt:attr>
+    </target>
+</animated-vector>
\ No newline at end of file
diff --git a/core/res/res/drawable/resolver_icon_placeholder.xml b/core/res/res/drawable/resolver_icon_placeholder.xml
index 049cfee..7236fbe 100644
--- a/core/res/res/drawable/resolver_icon_placeholder.xml
+++ b/core/res/res/drawable/resolver_icon_placeholder.xml
@@ -14,6 +14,6 @@
      limitations under the License.
 -->
 <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval">
-    <solid android:color="#10000000"/>
+    <solid android:color="@color/chooser_gradient_background"/>
     <size android:width="36dp" android:height="36dp"/>
 </shape>
\ No newline at end of file
diff --git a/core/res/res/layout/chooser_grid.xml b/core/res/res/layout/chooser_grid.xml
index 4d5e262..8727f4c 100644
--- a/core/res/res/layout/chooser_grid.xml
+++ b/core/res/res/layout/chooser_grid.xml
@@ -25,6 +25,7 @@
     android:id="@id/contentPanel">
 
     <RelativeLayout
+        android:id="@+id/chooser_header"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_alwaysShow="true"
@@ -62,11 +63,10 @@
         android:layout_height="match_parent"
         android:id="@+id/resolver_list"
         android:clipToPadding="false"
-        android:scrollbarStyle="outsideOverlay"
         android:background="?attr/colorBackgroundFloating"
+        android:scrollbars="none"
         android:listSelector="@color/transparent"
         android:divider="@null"
-        android:scrollIndicators="top"
         android:elevation="1dp"
         android:nestedScrollingEnabled="true"/>
 
diff --git a/core/res/res/values-night/colors.xml b/core/res/res/values-night/colors.xml
index 6aca49b..c5e72f0 100644
--- a/core/res/res/values-night/colors.xml
+++ b/core/res/res/values-night/colors.xml
@@ -30,4 +30,6 @@
     <color name="notification_material_background_color">@color/black</color>
 
     <color name="chooser_row_divider">@color/list_divider_color_dark</color>
+    <color name="chooser_gradient_background">@color/loading_gradient_background_color_dark</color>
+    <color name="chooser_gradient_highlight">@color/loading_gradient_highlight_color_dark</color>
 </resources>
diff --git a/core/res/res/values/colors.xml b/core/res/res/values/colors.xml
index ef26cd7..048f341 100644
--- a/core/res/res/values/colors.xml
+++ b/core/res/res/values/colors.xml
@@ -216,4 +216,6 @@
     <color name="default_magnifier_color_overlay">#00FFFFFF</color>
 
     <color name="chooser_row_divider">@color/list_divider_color_light</color>
+    <color name="chooser_gradient_background">@color/loading_gradient_background_color_light</color>
+    <color name="chooser_gradient_highlight">@color/loading_gradient_highlight_color_light</color>
 </resources>
diff --git a/core/res/res/values/colors_device_defaults.xml b/core/res/res/values/colors_device_defaults.xml
index 5af3c2a..112f98e 100644
--- a/core/res/res/values/colors_device_defaults.xml
+++ b/core/res/res/values/colors_device_defaults.xml
@@ -48,4 +48,8 @@
 
     <color name="list_divider_color_light">#ffdadce0</color>
     <color name="list_divider_color_dark">#85ffffff</color>
+    <color name="loading_gradient_background_color_dark">#2D3033</color>
+    <color name="loading_gradient_background_color_light">#DADCE0</color>
+    <color name="loading_gradient_highlight_color_dark">#3C4043</color>
+    <color name="loading_gradient_highlight_color_light">#F1F3F4</color>
 </resources>
diff --git a/core/res/res/values/dimens.xml b/core/res/res/values/dimens.xml
index b81db15..d6ec414 100644
--- a/core/res/res/values/dimens.xml
+++ b/core/res/res/values/dimens.xml
@@ -51,18 +51,23 @@
          that just start below the notch. -->
     <dimen name="display_cutout_touchable_region_size">12dp</dimen>
 
-    <!-- EXPERIMENT BEGIN -->
     <!-- Height of the bottom navigation bar frame; this is different than navigation_bar_height
          where that is the height reported to all the other windows to resize themselves around the
          navigation bar window but navigation_bar_frame_height is reported to SystemUI navigation
          bar view's window -->
     <dimen name="navigation_bar_frame_height">@dimen/navigation_bar_height</dimen>
+    <!-- Height of the bottom navigation bar frame in landscape -->
+    <dimen name="navigation_bar_frame_height_landscape">@dimen/navigation_bar_frame_height</dimen>
     <!-- Width of the left/right navigation bar frame; this is different than navigation_bar_width
          where that is the width reported to all the other windows to resize themselves around the
          navigation bar window but navigation_bar_frame_width is reported to SystemUI navigation
          bar view's window -->
     <dimen name="navigation_bar_frame_width">@dimen/navigation_bar_width</dimen>
-    <!-- EXPERIMENT END-->
+
+    <!-- The height of the navigation gesture area; if the size is larger than the navigation bar
+        frame width/height, then the difference is the spacing from the navigation bar window to
+        the area that detects gestures. -->
+    <dimen name="navigation_bar_gesture_height">@dimen/navigation_bar_frame_height</dimen>
 
     <!-- Height of the bottom navigation / system bar in car mode. -->
     <dimen name="navigation_bar_height_car_mode">96dp</dimen>
@@ -729,5 +734,6 @@
     <dimen name="resolver_icon_size">42dp</dimen>
     <dimen name="resolver_badge_size">18dp</dimen>
     <dimen name="chooser_target_width">90dp</dimen>
+    <dimen name="chooser_header_scroll_elevation">4dp</dimen>
     <dimen name="chooser_max_collapsed_height">288dp</dimen>
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 186b84c..6f672a8 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1747,6 +1747,8 @@
   <java-symbol type="dimen" name="navigation_bar_height_landscape" />
   <java-symbol type="dimen" name="navigation_bar_width" />
   <java-symbol type="dimen" name="navigation_bar_frame_height" />
+  <java-symbol type="dimen" name="navigation_bar_frame_height_landscape" />
+  <java-symbol type="dimen" name="navigation_bar_gesture_height" />
   <java-symbol type="dimen" name="navigation_bar_frame_width" />
   <java-symbol type="dimen" name="navigation_bar_height_car_mode" />
   <java-symbol type="dimen" name="navigation_bar_height_landscape_car_mode" />
@@ -2784,6 +2786,8 @@
   <java-symbol type="dimen" name="chooser_preview_image_border"/>
   <java-symbol type="dimen" name="chooser_max_collapsed_height" />
   <java-symbol type="layout" name="chooser_grid" />
+  <java-symbol type="id" name="chooser_header" />
+  <java-symbol type="dimen" name="chooser_header_scroll_elevation" />
   <java-symbol type="layout" name="chooser_grid_preview_text" />
   <java-symbol type="layout" name="chooser_grid_preview_image" />
   <java-symbol type="layout" name="chooser_grid_preview_file" />
@@ -3760,4 +3764,8 @@
   <java-symbol type="drawable" name="perm_group_camera" />
   <java-symbol type="drawable" name="perm_group_location" />
   <java-symbol type="drawable" name="perm_group_microphone" />
+
+  <java-symbol type="drawable" name="chooser_direct_share_icon_placeholder" />
+  <java-symbol type="color" name="chooser_gradient_background" />
+  <java-symbol type="color" name="chooser_gradient_highlight" />
 </resources>
diff --git a/core/tests/coretests/res/values/overlayable_icons_test.xml b/core/tests/coretests/res/values/overlayable_icons_test.xml
new file mode 100644
index 0000000..9bc46de
--- /dev/null
+++ b/core/tests/coretests/res/values/overlayable_icons_test.xml
@@ -0,0 +1,67 @@
+<!--
+   Copyright (C) 2019 The Android Open Source Project
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+-->
+<resources>
+  <!-- overlayable_icons references all of the drawables in this package
+       that are being overlayed by resource overlays. If you remove/rename
+       any of these resources, you must also change the resource overlay icons.-->
+  <array name="overlayable_icons">
+    <item>@*android:drawable/ic_audio_alarm</item>
+    <item>@*android:drawable/ic_audio_alarm_mute</item>
+    <item>@*android:drawable/ic_bluetooth_share_icon</item>
+    <item>@*android:drawable/ic_bt_headphones_a2dp</item>
+    <item>@*android:drawable/ic_bt_headset_hfp</item>
+    <item>@*android:drawable/ic_bt_hearing_aid</item>
+    <item>@*android:drawable/ic_bt_laptop</item>
+    <item>@*android:drawable/ic_bt_network_pan</item>
+    <item>@*android:drawable/ic_bt_pointing_hid</item>
+    <item>@*android:drawable/ic_expand_more</item>
+    <item>@*android:drawable/ic_file_copy</item>
+    <item>@*android:drawable/ic_info_outline_24</item>
+    <item>@*android:drawable/ic_lock</item>
+    <item>@*android:drawable/ic_lock_bugreport</item>
+    <item>@*android:drawable/ic_lock_open</item>
+    <item>@*android:drawable/ic_lock_power_off</item>
+    <item>@*android:drawable/ic_lockscreen_ime</item>
+    <item>@*android:drawable/ic_mode_edit</item>
+    <item>@*android:drawable/ic_phone</item>
+    <item>@*android:drawable/ic_qs_airplane</item>
+    <item>@*android:drawable/ic_qs_auto_rotate</item>
+    <item>@*android:drawable/ic_qs_bluetooth</item>
+    <item>@*android:drawable/ic_qs_dnd</item>
+    <item>@*android:drawable/ic_qs_flashlight</item>
+    <item>@*android:drawable/ic_qs_night_display_on</item>
+    <item>@*android:drawable/ic_restart</item>
+    <item>@*android:drawable/ic_screenshot</item>
+    <item>@*android:drawable/ic_settings_bluetooth</item>
+    <item>@*android:drawable/ic_signal_location</item>
+    <item>@*android:drawable/ic_wifi_signal_0</item>
+    <item>@*android:drawable/ic_wifi_signal_1</item>
+    <item>@*android:drawable/ic_wifi_signal_2</item>
+    <item>@*android:drawable/ic_wifi_signal_3</item>
+    <item>@*android:drawable/ic_wifi_signal_4</item>
+    <item>@*android:drawable/perm_group_activity_recognition</item>
+    <item>@*android:drawable/perm_group_call_log</item>
+    <item>@*android:drawable/perm_group_camera</item>
+    <item>@*android:drawable/perm_group_contacts</item>
+    <item>@*android:drawable/perm_group_location</item>
+    <item>@*android:drawable/perm_group_microphone</item>
+    <item>@*android:drawable/perm_group_phone_calls</item>
+    <item>@*android:drawable/perm_group_sensors</item>
+    <item>@*android:drawable/perm_group_sms</item>
+    <item>@*android:drawable/perm_group_storage</item>
+    <item>@*android:drawable/perm_group_visual</item>
+  </array>
+</resources>
diff --git a/graphics/java/android/graphics/Typeface.java b/graphics/java/android/graphics/Typeface.java
index c8b361b..6d20ec3 100644
--- a/graphics/java/android/graphics/Typeface.java
+++ b/graphics/java/android/graphics/Typeface.java
@@ -596,8 +596,8 @@
                 final Font font = mFontBuilder.build();
                 final String key = mAssetManager == null ? null : createAssetUid(
                         mAssetManager, mPath, font.getTtcIndex(), font.getAxes(),
-                        font.getStyle().getWeight(), font.getStyle().getSlant(),
-                        mFallbackFamilyName);
+                        mWeight, mItalic,
+                        mFallbackFamilyName == null ? DEFAULT_FAMILY : mFallbackFamilyName);
                 if (key != null) {
                     // Dynamic cache lookup is only for assets.
                     synchronized (sDynamicCacheLock) {
diff --git a/libs/protoutil/src/ProtoFileReader.cpp b/libs/protoutil/src/ProtoFileReader.cpp
index bbb1fe3..c7f1129 100644
--- a/libs/protoutil/src/ProtoFileReader.cpp
+++ b/libs/protoutil/src/ProtoFileReader.cpp
@@ -99,6 +99,7 @@
         // Shouldn't get to here.  Always call hasNext() before calling next().
         return 0;
     }
+    mPos++;
     return mBuffer[mOffset++];
 }
 
@@ -130,6 +131,7 @@
         const size_t chunk =
                 mMaxOffset - mOffset > amt ? amt : mMaxOffset - mOffset;
         mOffset += chunk;
+        mPos += chunk;
         amt -= chunk;
     }
 }
diff --git a/media/java/android/media/session/MediaController.java b/media/java/android/media/session/MediaController.java
index 79d8be1..3500475 100644
--- a/media/java/android/media/session/MediaController.java
+++ b/media/java/android/media/session/MediaController.java
@@ -414,18 +414,25 @@
     /**
      * Gets the additional session information which was set when the session was created.
      *
-     * @return The additional session information
+     * @return The additional session information, or {@link Bundle#EMPTY} if not set.
      */
-    @Nullable
+    @NonNull
     public Bundle getSessionInfo() {
-        if (mSessionInfo == null) {
-            try {
-                mSessionInfo = mSessionBinder.getSessionInfo();
-            } catch (RemoteException e) {
-                Log.d(TAG, "Dead object in getSessionInfo.", e);
-            }
+        if (mSessionInfo != null) {
+            return new Bundle(mSessionInfo);
         }
-        return mSessionInfo;
+
+        // Get info from the connected session.
+        try {
+            mSessionInfo = mSessionBinder.getSessionInfo();
+        } catch (RemoteException e) {
+            Log.d(TAG, "Dead object in getSessionInfo.", e);
+        }
+
+        if (mSessionInfo == null) {
+            mSessionInfo = Bundle.EMPTY;
+        }
+        return new Bundle(mSessionInfo);
     }
 
     /**
diff --git a/native/android/surface_control.cpp b/native/android/surface_control.cpp
index d07052b..7ee2f0a 100644
--- a/native/android/surface_control.cpp
+++ b/native/android/surface_control.cpp
@@ -411,7 +411,15 @@
 
     Region region;
     for (uint32_t i = 0; i < count; ++i) {
-        region.merge(static_cast<const Rect&>(rects[i]));
+        region.orSelf(static_cast<const Rect&>(rects[i]));
+    }
+
+    // Hardware composer interprets a DamageRegion with a single Rect of {0,0,0,0} to be an
+    // undamaged region and {0,0,-1,-1} to be a fully damaged buffer. This is a confusing
+    // distinction for a public api. Instead, default both cases to be a fully damaged buffer.
+    if (count == 1 && region.getBounds().isEmpty()) {
+        transaction->setSurfaceDamageRegion(surfaceControl, Region::INVALID_REGION);
+        return;
     }
 
     transaction->setSurfaceDamageRegion(surfaceControl, region);
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
index a5b7849..cd97ce8 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
+++ b/packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java
@@ -4350,15 +4350,20 @@
                     }
 
                     if (navBarMode != -1) {
+                        String overlayPackage = "";
                         try {
-                            overlayManager.setEnabled(NAV_BAR_MODE_3BUTTON_OVERLAY,
-                                    navBarMode == NAV_BAR_MODE_3BUTTON,
-                                    UserHandle.USER_CURRENT);
-                            overlayManager.setEnabled(NAV_BAR_MODE_2BUTTON_OVERLAY,
-                                    navBarMode == NAV_BAR_MODE_2BUTTON,
-                                    UserHandle.USER_CURRENT);
-                            overlayManager.setEnabled(NAV_BAR_MODE_GESTURAL_OVERLAY,
-                                    navBarMode == NAV_BAR_MODE_GESTURAL,
+                            switch (navBarMode) {
+                                case NAV_BAR_MODE_3BUTTON:
+                                    overlayPackage = NAV_BAR_MODE_3BUTTON_OVERLAY;
+                                    break;
+                                case NAV_BAR_MODE_2BUTTON:
+                                    overlayPackage = NAV_BAR_MODE_2BUTTON_OVERLAY;
+                                    break;
+                                case NAV_BAR_MODE_GESTURAL:
+                                    overlayPackage = NAV_BAR_MODE_GESTURAL_OVERLAY;
+                                    break;
+                            }
+                            overlayManager.setEnabledExclusiveInCategory(overlayPackage,
                                     UserHandle.USER_CURRENT);
                         } catch (RemoteException e) {
                             throw new IllegalStateException(
diff --git a/packages/SystemUI/res-keyguard/layout/keyguard_clock_switch.xml b/packages/SystemUI/res-keyguard/layout/keyguard_clock_switch.xml
index 463367b..86ed9e3 100644
--- a/packages/SystemUI/res-keyguard/layout/keyguard_clock_switch.xml
+++ b/packages/SystemUI/res-keyguard/layout/keyguard_clock_switch.xml
@@ -33,6 +33,21 @@
         <include
              android:id="@+id/default_clock_view"
              layout="@layout/text_clock" />
+        <TextClock
+             android:id="@+id/default_clock_view_bold"
+             android:layout_width="match_parent"
+             android:layout_height="wrap_content"
+             android:layout_gravity="center_horizontal"
+             android:gravity="center_horizontal"
+             android:letterSpacing="0.03"
+             android:textColor="?attr/wallpaperTextColor"
+             android:singleLine="true"
+             style="@style/widget_big_bold"
+             android:format12Hour="@string/keyguard_widget_12_hours_format"
+             android:format24Hour="@string/keyguard_widget_24_hours_format"
+             android:elegantTextHeight="false"
+             android:visibility="gone"
+             />
     </FrameLayout>
     <include layout="@layout/keyguard_status_area"
         android:id="@+id/keyguard_status_area"
diff --git a/packages/SystemUI/res-keyguard/values/styles.xml b/packages/SystemUI/res-keyguard/values/styles.xml
index 8bbc270..6e4416a 100644
--- a/packages/SystemUI/res-keyguard/values/styles.xml
+++ b/packages/SystemUI/res-keyguard/values/styles.xml
@@ -66,6 +66,13 @@
         <item name="android:fontFeatureSettings">@*android:string/config_headlineFontFeatureSettings</item>
         <item name="android:ellipsize">none</item>
     </style>
+    <style name="widget_big_bold">
+        <item name="android:textStyle">bold</item>
+        <item name="android:textSize">@dimen/widget_big_font_size</item>
+        <item name="android:paddingBottom">@dimen/bottom_text_spacing_digital</item>
+        <item name="android:fontFamily">@*android:string/config_headlineFontFamily</item>
+        <item name="android:ellipsize">none</item>
+    </style>
 
     <style name="BouncerSecurityContainer">
         <item name="android:layout_gravity">center_horizontal|bottom</item>
diff --git a/packages/SystemUI/res/drawable/button_border_selected.xml b/packages/SystemUI/res/drawable/button_border_selected.xml
new file mode 100644
index 0000000..d9299ec
--- /dev/null
+++ b/packages/SystemUI/res/drawable/button_border_selected.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2019 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+       android:shape="rectangle">
+    <solid
+        android:color="@color/notification_guts_selection_bg" />
+    <stroke
+        android:width="2dp"
+        android:color="?android:attr/colorAccent"/>
+    <corners android:radius="@dimen/rect_button_radius" />
+</shape>
\ No newline at end of file
diff --git a/packages/SystemUI/res/drawable/button_border_unselected.xml b/packages/SystemUI/res/drawable/button_border_unselected.xml
new file mode 100644
index 0000000..4ea3764
--- /dev/null
+++ b/packages/SystemUI/res/drawable/button_border_unselected.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2019 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+       android:shape="rectangle"
+       android:color="@color/notification_guts_selection_bg">
+    <stroke
+        android:width="2dp"
+        android:color="@color/GM2_grey_300"/>
+
+    <corners android:radius="@dimen/rect_button_radius" />
+</shape>
\ No newline at end of file
diff --git a/packages/SystemUI/res/drawable/button_ripple_radius.xml b/packages/SystemUI/res/drawable/button_ripple_radius.xml
new file mode 100644
index 0000000..5c2857a
--- /dev/null
+++ b/packages/SystemUI/res/drawable/button_ripple_radius.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2019 The Android Open Source Project
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+<ripple
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:color="?android:attr/colorControlHighlight">
+    <item android:id="@android:id/mask">
+        <shape android:shape="rectangle">
+            <solid android:color="@color/notification_guts_selection_bg" />
+            <corners android:radius="@dimen/rect_button_radius" />
+        </shape>
+    </item>
+</ripple>
\ No newline at end of file
diff --git a/packages/SystemUI/res/drawable/ic_notification_gentle.xml b/packages/SystemUI/res/drawable/ic_notification_gentle.xml
index 7074130..de54b10 100644
--- a/packages/SystemUI/res/drawable/ic_notification_gentle.xml
+++ b/packages/SystemUI/res/drawable/ic_notification_gentle.xml
@@ -18,18 +18,18 @@
         android:id="@+id/back">
         <shape android:shape="oval">
             <solid
-                android:color="@color/GM2_green_500" />
+                android:color="@color/notification_silence_color" />
             <size
-                android:height="36dp"
-                android:width="36dp"/>
+                android:height="24dp"
+                android:width="24dp"/>
         </shape>
     </item>
     <item
         android:id="@+id/fore"
         android:gravity="center">
         <vector
-                android:width="32dp"
-                android:height="32dp"
+                android:width="13dp"
+                android:height="13dp"
                 android:viewportWidth="24"
                 android:viewportHeight="24">
             <path
diff --git a/packages/SystemUI/res/drawable/ic_notification_interruptive.xml b/packages/SystemUI/res/drawable/ic_notification_interruptive.xml
index 0a8b3b8..f49aa4a 100644
--- a/packages/SystemUI/res/drawable/ic_notification_interruptive.xml
+++ b/packages/SystemUI/res/drawable/ic_notification_interruptive.xml
@@ -19,18 +19,18 @@
         android:id="@+id/back">
         <shape android:shape="oval">
             <solid
-                android:color="@color/GM2_yellow_500" />
+                android:color="@color/notification_alert_color" />
             <size
-                android:height="36dp"
-                android:width="36dp"/>
+                android:height="24dp"
+                android:width="24dp"/>
         </shape>
     </item>
     <item
         android:id="@+id/fore"
         android:gravity="center">
         <vector
-                android:width="32dp"
-                android:height="32dp"
+                android:width="13dp"
+                android:height="13dp"
                 android:viewportWidth="24"
                 android:viewportHeight="24">
             <path
diff --git a/packages/SystemUI/res/layout/notification_info.xml b/packages/SystemUI/res/layout/notification_info.xml
index f7c6c43..a94ae0f 100644
--- a/packages/SystemUI/res/layout/notification_info.xml
+++ b/packages/SystemUI/res/layout/notification_info.xml
@@ -22,7 +22,7 @@
     android:layout_height="wrap_content"
     android:clickable="true"
     android:clipChildren="false"
-    android:clipToPadding="false"
+    android:clipToPadding="true"
     android:orientation="vertical"
     android:paddingStart="@*android:dimen/notification_content_margin_start"
     android:background="@color/notification_guts_bg_color">
@@ -39,69 +39,62 @@
             android:layout_width="@dimen/notification_guts_header_height"
             android:layout_height="@dimen/notification_guts_header_height"
             android:layout_centerVertical="true"
+            android:layout_alignParentStart="true"
             android:layout_marginEnd="3dp" />
         <TextView
             android:id="@+id/pkgname"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            style="@style/TextAppearance.NotificationInfo.Primary"
+            android:layout_centerVertical="true"
+            style="@style/TextAppearance.NotificationImportanceHeader"
             android:layout_marginStart="3dp"
             android:layout_marginEnd="2dp"
-            android:singleLine="true"
-            android:layout_centerVertical="true"
-            android:layout_toEndOf="@id/pkgicon" />
+            android:layout_toEndOf="@id/pkgicon"
+            android:singleLine="true" />
         <TextView
             android:id="@+id/pkg_divider"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            style="@style/TextAppearance.NotificationInfo.Primary"
+            android:layout_centerVertical="true"
+            style="@style/TextAppearance.NotificationImportanceHeader"
             android:layout_marginStart="2dp"
             android:layout_marginEnd="2dp"
-            android:text="@*android:string/notification_header_divider_symbol"
-            android:layout_centerVertical="true"
-            android:layout_toEndOf="@id/pkgname" />
+            android:layout_toEndOf="@id/pkgname"
+            android:text="@*android:string/notification_header_divider_symbol" />
         <TextView
             android:id="@+id/delegate_name"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            style="@style/TextAppearance.NotificationInfo.Primary"
+            android:layout_centerVertical="true"
+            style="@style/TextAppearance.NotificationImportanceHeader"
             android:layout_marginStart="2dp"
             android:layout_marginEnd="2dp"
             android:ellipsize="end"
-            android:maxLines="1"
-            android:layout_centerVertical="true"
-            android:layout_toEndOf="@id/pkg_divider" />
-        <LinearLayout
-            android:id="@+id/info_and_settings"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_centerVertical="true"
-            android:layout_alignParentEnd="true"
-
-            android:orientation="horizontal">
-            <!-- Optional link to app. Only appears if the channel is not disabled and the app
+            android:layout_toEndOf="@id/pkg_divider"
+            android:maxLines="1" />
+        <!-- Optional link to app. Only appears if the channel is not disabled and the app
 asked for it -->
-            <ImageButton
-                android:id="@+id/app_settings"
-                android:layout_width="48dp"
-                android:layout_height="48dp"
-                android:layout_centerVertical="true"
-                android:visibility="gone"
-                android:background="@drawable/ripple_drawable"
-                android:contentDescription="@string/notification_app_settings"
-                android:src="@drawable/ic_info"
-                android:tint="@color/notification_guts_link_icon_tint" />
-            <!-- 24 dp icon with 16 dp padding all around to mirror notification content margins -->
-            <ImageButton
-                android:id="@+id/info"
-                android:layout_width="48dp"
-                android:layout_height="48dp"
-                android:layout_centerVertical="true"
-                android:background="@drawable/ripple_drawable"
-                android:contentDescription="@string/notification_more_settings"
-                android:src="@drawable/ic_settings"
-                android:tint="@color/notification_guts_link_icon_tint" />
-        </LinearLayout>
+        <ImageButton
+            android:id="@+id/app_settings"
+            android:layout_width="@dimen/notification_importance_toggle_size"
+            android:layout_height="@dimen/notification_importance_toggle_size"
+            android:layout_centerVertical="true"
+            android:visibility="gone"
+            android:background="@drawable/ripple_drawable"
+            android:contentDescription="@string/notification_app_settings"
+            android:src="@drawable/ic_info"
+            android:layout_toStartOf="@id/info"
+            android:tint="@color/notification_guts_link_icon_tint"/>
+        <ImageButton
+            android:id="@+id/info"
+            android:layout_width="@dimen/notification_importance_toggle_size"
+            android:layout_height="@dimen/notification_importance_toggle_size"
+            android:layout_centerVertical="true"
+            android:background="@drawable/ripple_drawable"
+            android:contentDescription="@string/notification_more_settings"
+            android:src="@drawable/ic_settings"
+            android:layout_alignParentEnd="true"
+            android:tint="@color/notification_guts_link_icon_tint"/>
     </RelativeLayout>
 
     <!-- Channel Info Block -->
@@ -111,40 +104,22 @@
         android:layout_height="wrap_content"
         android:layout_marginBottom="@dimen/notification_guts_button_spacing"
         android:paddingEnd="@*android:dimen/notification_content_margin_end"
+        android:gravity="center"
         android:orientation="vertical">
-        <RelativeLayout
-            android:id="@+id/names"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content">
-            <TextView
-                android:id="@+id/group_name"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                style="@style/TextAppearance.NotificationInfo.Primary"
-                android:layout_marginStart="2dp"
-                android:layout_marginEnd="2dp"
-                android:ellipsize="end"
-                android:maxLines="1"
-                android:layout_centerVertical="true" />
-            <TextView
-                android:id="@+id/pkg_group_divider"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                style="@style/TextAppearance.NotificationInfo.Primary"
-                android:layout_marginStart="2dp"
-                android:layout_marginEnd="2dp"
-                android:text="@*android:string/notification_header_divider_symbol"
-                android:layout_centerVertical="true"
-                android:layout_toEndOf="@id/group_name" />
-            <!-- Channel Name -->
-            <TextView
-                android:id="@+id/channel_name"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                style="@style/TextAppearance.NotificationInfo.Primary"
-                android:layout_toEndOf="@id/pkg_group_divider"/>
-        </RelativeLayout>
+        <!-- Channel Name -->
+        <TextView
+            android:id="@+id/channel_name"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            style="@style/TextAppearance.NotificationImportanceChannel"/>
+        <TextView
+            android:id="@+id/group_name"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            style="@style/TextAppearance.NotificationImportanceChannelGroup"
+            android:ellipsize="end"
+            android:maxLines="1"/>
     </LinearLayout>
 
     <LinearLayout
@@ -212,8 +187,8 @@
         android:id="@+id/inline_controls"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="@dimen/notification_guts_button_spacing"
         android:paddingEnd="@*android:dimen/notification_content_margin_end"
+        android:layout_marginTop="@dimen/notification_guts_option_vertical_padding"
         android:clipChildren="false"
         android:clipToPadding="false"
         android:orientation="vertical">
@@ -225,7 +200,6 @@
             android:visibility="gone"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:paddingTop="@dimen/notification_guts_option_vertical_padding"
             style="@*android:style/TextAppearance.DeviceDefault.Notification" />
 
         <!-- Non configurable multichannel text. appears instead of @+id/interruptiveness_settings-->
@@ -235,7 +209,6 @@
             android:visibility="gone"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:paddingTop="@dimen/notification_guts_option_vertical_padding"
             style="@*android:style/TextAppearance.DeviceDefault.Notification" />
 
         <LinearLayout
@@ -243,105 +216,68 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:orientation="vertical">
-            <!-- Interruptive row -->
+
             <LinearLayout
-                android:id="@+id/alert_row"
+                android:id="@+id/buttons"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:paddingTop="@dimen/notification_guts_option_vertical_padding"
-                android:paddingBottom="@dimen/notification_guts_option_vertical_padding"
-                android:paddingStart="@dimen/notification_guts_option_horizontal_padding"
-                android:orientation="horizontal">
+                android:orientation="horizontal"
+                android:gravity="center">
 
-                <ImageView
-                    android:id="@+id/int_alert"
-                    android:src="@drawable/ic_notification_interruptive"
-                    android:background="@android:color/transparent"
-                    android:layout_gravity="center"
+                <Button
+                    android:id="@+id/alert"
+                    android:minWidth="@dimen/notification_importance_button_width"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                    android:contentDescription="@string/inline_silent_button_alert"/>
+                    android:minHeight="@dimen/notification_importance_toggle_size"
+                    android:paddingStart="@dimen/notification_importance_button_horiz_padding"
+                    android:paddingEnd="@dimen/notification_importance_button_horiz_padding"
+                    android:drawablePadding="@dimen/notification_importance_drawable_padding"
+                    android:foreground="@drawable/button_ripple_radius"
+                    android:drawableLeft="@drawable/ic_notification_interruptive"
+                    android:text="@string/notification_alert_title" />
 
-                <LinearLayout
-                    android:layout_width="match_parent"
+                <Button
+                    android:id="@+id/silence"
+                    android:minWidth="@dimen/notification_importance_button_width"
+                    android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                    android:paddingStart="@dimen/notification_guts_option_horizontal_padding"
-                    android:paddingEnd="@dimen/notification_guts_option_horizontal_padding"
-                    android:orientation="vertical">
-                    <TextView
-                        android:id="@+id/int_alert_label"
-                        android:text="@string/inline_silent_button_alert"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:ellipsize="end"
-                        android:maxLines="1"
-                        style="@style/TextAppearance.NotificationInfo.Primary"/>
-                    <TextView
-                        android:id="@+id/int_alert_summary"
-                        android:text="@string/hint_text_alert"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:ellipsize="end"
-                        style="@style/TextAppearance.NotificationInfo.Secondary"/>
-                </LinearLayout>
+                    android:minHeight="@dimen/notification_importance_toggle_size"
+                    android:paddingStart="@dimen/notification_importance_button_horiz_padding"
+                    android:paddingEnd="@dimen/notification_importance_button_horiz_padding"
+                    android:drawablePadding="@dimen/notification_importance_drawable_padding"
+                    android:foreground="@drawable/button_ripple_radius"
+                    android:layout_marginStart="@dimen/notification_importance_button_separation"
+                    android:drawableLeft="@drawable/ic_notification_gentle"
+                    android:text="@string/notification_silence_title" />
             </LinearLayout>
 
-            <!-- Gentle row -->
-            <LinearLayout
-                android:id="@+id/silent_row"
+            <TextView
+                android:id="@+id/description"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:paddingTop="@dimen/notification_guts_option_vertical_padding"
-                android:paddingBottom="@dimen/notification_guts_option_vertical_padding"
-                android:paddingStart="@dimen/notification_guts_option_horizontal_padding"
-                android:layout_marginTop="@dimen/notification_guts_option_vertical_margin"
-                android:orientation="horizontal">
-                <ImageView
-                    android:id="@+id/int_silent"
-                    android:src="@drawable/ic_notification_gentle"
-                    android:layout_gravity="center"
-                    android:layout_width="36dp"
-                    android:layout_height="36dp"
-                    android:background="@android:color/transparent"
-                    android:contentDescription="@string/inline_silent_button_silent"/>
-                <LinearLayout
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:orientation="vertical"
-                    android:paddingStart="@dimen/notification_guts_option_horizontal_padding"
-                    android:paddingEnd="@dimen/notification_guts_option_horizontal_padding">
-                    <TextView
-                        android:id="@+id/int_silent_label"
-                        android:text="@string/inline_silent_button_silent"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:ellipsize="end"
-                        android:maxLines="1"
-                        style="@style/TextAppearance.NotificationInfo.Primary"/>
-                    <TextView
-                        android:id="@+id/int_silent_summary"
-                        android:text="@string/hint_text_silent"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:ellipsize="end"
-                        style="@style/TextAppearance.NotificationInfo.Secondary"/>
-                </LinearLayout>
-            </LinearLayout>
+                android:text="@string/notification_alert_title"
+                android:gravity="center"
+                android:layout_marginTop="@dimen/notification_importance_text_marginTop"
+                android:paddingStart="@dimen/notification_importance_description_padding"
+                android:paddingEnd="@dimen/notification_importance_description_padding"
+                android:textAppearance="@style/TextAppearance.NotificationImportanceDetail" />
         </LinearLayout>
 
         <RelativeLayout
             android:id="@+id/bottom_buttons"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:paddingTop="@dimen/notification_guts_button_spacing"
-            android:paddingBottom="@dimen/notification_guts_button_spacing">
+            android:paddingTop="@dimen/notification_guts_button_spacing" >
             <TextView
                 android:id="@+id/turn_off_notifications"
                 android:text="@string/inline_turn_off_notifications"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_centerVertical="true"
                 android:layout_alignParentStart="true"
+                android:layout_centerVertical="true"
+                android:minWidth="@dimen/notification_importance_toggle_size"
+                android:minHeight="@dimen/notification_importance_toggle_size"
                 android:maxWidth="200dp"
                 style="@style/TextAppearance.NotificationInfo.Button"/>
             <TextView
@@ -351,6 +287,8 @@
                 android:layout_height="wrap_content"
                 android:layout_centerVertical="true"
                 android:maxWidth="125dp"
+                android:minWidth="@dimen/notification_importance_toggle_size"
+                android:minHeight="@dimen/notification_importance_toggle_size"
                 android:layout_alignParentEnd="true"
                 style="@style/TextAppearance.NotificationInfo.Button"/>
         </RelativeLayout>
@@ -376,6 +314,8 @@
             android:id="@+id/undo"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:minWidth="@dimen/notification_importance_toggle_size"
+            android:minHeight="@dimen/notification_importance_toggle_size"
             android:layout_marginTop="@dimen/notification_guts_button_spacing"
             android:layout_marginBottom="@dimen/notification_guts_button_spacing"
             android:layout_marginStart="@dimen/notification_guts_button_side_margin"
diff --git a/packages/SystemUI/res/values-night/colors.xml b/packages/SystemUI/res/values-night/colors.xml
index 8a0aaea..f9bf47b 100644
--- a/packages/SystemUI/res/values-night/colors.xml
+++ b/packages/SystemUI/res/values-night/colors.xml
@@ -45,6 +45,8 @@
     <color name="notification_guts_selection_bg">#202124</color>
     <color name="notification_guts_selection_border">#669DF6</color>
     <color name="notification_guts_link_icon_tint">@color/GM2_grey_200</color>
+    <color name="notification_guts_sub_text_color">@color/GM2_grey_200</color>
+    <color name="notification_guts_header_text_color">@color/GM2_grey_100</color>
 
     <!-- The color of the background in the top part of QSCustomizer -->
     <color name="qs_customize_background">@color/GM2_grey_900</color>
diff --git a/packages/SystemUI/res/values/colors.xml b/packages/SystemUI/res/values/colors.xml
index b2a5075..d2a005f 100644
--- a/packages/SystemUI/res/values/colors.xml
+++ b/packages/SystemUI/res/values/colors.xml
@@ -90,7 +90,11 @@
 
     <color name="notification_guts_selection_bg">#FFFFFF</color>
     <color name="notification_guts_selection_border">#4285F4</color>
-    <color name="notification_guts_link_icon_tint">@color/GM2_grey_900</color>
+    <color name="notification_guts_link_icon_tint">@color/GM2_grey_700</color>
+    <color name="notification_guts_sub_text_color">@color/GM2_grey_700</color>
+    <color name="notification_guts_header_text_color">@color/GM2_grey_900</color>
+    <color name="notification_silence_color">#FF32c1de</color>
+    <color name="notification_alert_color">#FFF87B2B</color>
 
     <color name="assist_orb_color">#ffffff</color>
 
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index 7d76160..5e84549 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -206,11 +206,26 @@
     <dimen name="notification_guts_option_horizontal_padding">15dp</dimen>
 
     <!-- The vertical space between items in the alert selections in the inline settings -->
-    <dimen name="notification_guts_option_vertical_padding">15dp</dimen>
+    <dimen name="notification_guts_option_vertical_padding">24dp</dimen>
 
     <!-- The vertical space between the alert selections in the inline settings -->
     <dimen name="notification_guts_option_vertical_margin">6dp</dimen>
 
+    <dimen name="notification_importance_toggle_size">48dp</dimen>
+    <dimen name="notification_importance_toggle_marginTop">28dp</dimen>
+    <dimen name="notification_importance_toggle_marginBottom">28dp</dimen>
+    <dimen name="notification_importance_text_marginTop">20dp</dimen>
+    <dimen name="notification_importance_button_separation">16dp</dimen>
+    <dimen name="notification_importance_button_width">178dp</dimen>
+    <dimen name="notification_importance_button_horiz_padding">28dp</dimen>
+    <dimen name="notification_importance_drawable_padding">8dp</dimen>
+    <dimen name="notification_importance_description_padding">20dp</dimen>
+    <dimen name="notification_importance_description_text">12sp</dimen>
+    <dimen name="notification_importance_channel_text">16sp</dimen>
+    <dimen name="notification_importance_channel_group_text">14sp</dimen>
+    <dimen name="notification_importance_button_text">16sp</dimen>
+    <dimen name="rect_button_radius">8dp</dimen>
+
     <!-- The minimum height for the snackbar shown after the snooze option has been chosen. -->
     <dimen name="snooze_snackbar_min_height">56dp</dimen>
 
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 96aa6ab..a2039d0 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -1651,17 +1651,29 @@
     <!-- Notification Inline controls: continue receiving notifications prompt, app level -->
     <string name="inline_keep_showing_app">Keep showing notifications from this app?</string>
 
-    <!-- Hint text for block button in the interruptiveness settings [CHAR_LIMIT=NONE]-->
-    <string name="hint_text_block">Blocked notifications do not appear anywhere or play a sound. You can unblock notifications in settings.</string>
+    <!-- [CHAR LIMIT=100] Notification Importance title -->
+    <string name="notification_silence_title">Gentle</string>
 
-    <!-- Hint text for silent button in the interruptiveness settings [CHAR_LIMIT=NONE]-->
-    <string name="hint_text_silent">Silent notifications appear in the shade, but do not appear on the lock screen, present a banner, or play a sound.</string>
+    <!-- [CHAR LIMIT=100] Notification Importance title -->
+    <string name="notification_alert_title">Prioritized</string>
 
-    <!-- Hint text for alert button in the interruptiveness settings [CHAR_LIMIT=NONE]-->
-    <string name="hint_text_alert">These notifications will make a sound and show in the notification drawer, status bar, and lock screen</string>
+    <!-- [CHAR LIMIT=150] Notification Importance title: low importance level summary -->
+    <string name="notification_channel_summary_low">Always silent. Displays in pull-down shade.</string>
+
+    <!-- [CHAR LIMIT=150] Notification Importance title: low importance level summary -->
+    <string name="notification_channel_summary_low_status">Always silent. Displays in pull-down shade &amp; status bar.</string>
+
+    <!-- [CHAR LIMIT=150] Notification Importance title: low importance level summary -->
+    <string name="notification_channel_summary_low_lock">Always silent. Displays in pull-down shade &amp; on lock screen.</string>
+
+    <!-- [CHAR LIMIT=150] Notification Importance title: low importance level summary -->
+    <string name="notification_channel_summary_low_status_lock">Always silent. Displays in pull-down shade, status bar &amp; on lock screen.</string>
+
+    <!-- [CHAR LIMIT=150] Notification Importance title: normal importance level summary -->
+    <string name="notification_channel_summary_default">Makes sound and displays in pull-down shade, status bar &amp; on lock screen.</string>
 
     <!-- Notification: Control panel: Label that displays when the app's notifications cannot be blocked. -->
-    <string name="notification_unblockable_desc">These notifications can\'t be turned off</string>
+    <string name="notification_unblockable_desc">These notifications can\'t be modified.</string>
 
     <!-- Notification: Control panel: label that displays when viewing settings for a group of notifications posted to multiple channels. -->
     <string name="notification_multichannel_desc">This group of notifications cannot be configured here</string>
diff --git a/packages/SystemUI/res/values/styles.xml b/packages/SystemUI/res/values/styles.xml
index eb68b0f..9b471c9 100644
--- a/packages/SystemUI/res/values/styles.xml
+++ b/packages/SystemUI/res/values/styles.xml
@@ -426,57 +426,71 @@
     <style name="TunerPreferenceTheme" parent="@style/PreferenceThemeOverlay.SettingsBase">
     </style>
 
-    <style name="TextAppearance.NotificationInfo">
-        <item name="android:fontFamily">@*android:string/config_bodyFontFamily</item>
-        <item name="android:textColor">@color/notification_primary_text_color</item>
-    </style>
-
-    <style name="TextAppearance.NotificationInfo.Primary">
-        <item name="android:fontFamily">@*android:string/config_bodyFontFamilyMedium</item>
-        <item name="android:textSize">16sp</item>
-        <item name="android:alpha">0.87</item>
-    </style>
-
     <style name="TextAppearance.NotificationInfo.Confirmation">
         <item name="android:textSize">14sp</item>
         <item name="android:alpha">0.87</item>
     </style>
 
+    <style name="TextAppearance.NotificationInfo">
+        <item name="android:fontFamily">@*android:string/config_bodyFontFamily</item>
+        <item name="android:textColor">@color/notification_primary_text_color</item>
+    </style>
+
     <style name="TextAppearance.NotificationInfo.Secondary">
         <item name="android:textSize">14sp</item>
         <item name="android:alpha">0.54</item>
     </style>
 
-    <style name="TextAppearance.NotificationInfo.ButtonLabel">
-        <item name="android:fontFamily">@*android:string/config_bodyFontFamilyMedium</item>
-        <item name="android:textSize">14sp</item>
-        <item name="android:alpha">0.54</item>
-        <item name="android:paddingTop">4dp</item>
-        <item name="android:paddingBottom">16dp</item>
-    </style>
-
-    <style name="TextAppearance.NotificationInfo.HintText">
-        <item name="android:textSize">12sp</item>
-        <item name="android:alpha">0.54</item>
-    </style>
-
-    <style name="TextAppearance.NotificationInfo.Secondary.Warning">
-        <item name="android:textColor">?android:attr/colorError</item>
-    </style>
-
-    <style name="TextAppearance.NotificationInfo.Secondary.Link">
-        <item name="android:textColor">?android:attr/colorAccent</item>
-    </style>
-
     <style name="TextAppearance.NotificationInfo.Button">
-        <item name="android:fontFamily">@*android:string/config_bodyFontFamily</item>
+        <item name="android:fontFamily">@*android:string/config_bodyFontFamilyMedium</item>
         <item name="android:textSize">16sp</item>
         <item name="android:textColor">?android:attr/colorAccent</item>
         <item name="android:background">@drawable/btn_borderless_rect</item>
-        <item name="android:gravity">center</item>
+        <item name="android:gravity">center_vertical</item>
         <item name="android:focusable">true</item>
     </style>
 
+    <style name="TextAppearance.NotificationImportanceChannel">
+        <item name="android:textSize">@dimen/notification_importance_channel_text</item>
+        <item name="android:fontFamily">@*android:string/config_bodyFontFamilyMedium</item>
+        <item name="android:textColor">@color/notification_guts_header_text_color</item>
+        <item name="android:textSize">@dimen/notification_importance_channel_text</item>
+    </style>
+
+    <style name="TextAppearance.NotificationImportanceChannelGroup">
+        <item name="android:textSize">@dimen/notification_importance_channel_group_text</item>
+        <item name="android:fontFamily">@*android:string/config_bodyFontFamily</item>
+        <item name="android:textColor">@color/notification_guts_sub_text_color</item>
+        <item name="android:textSize">@dimen/notification_importance_channel_group_text</item>
+    </style>
+
+    <style name="TextAppearance.NotificationImportanceHeader">
+        <item name="android:textSize">@dimen/notification_importance_description_text</item>
+        <item name="android:fontFamily">@*android:string/config_bodyFontFamily</item>
+        <item name="android:textColor">@color/notification_guts_header_text_color</item>
+    </style>
+
+    <style name="TextAppearance.NotificationImportanceDetail">
+        <item name="android:textSize">@dimen/notification_importance_description_text</item>
+        <item name="android:fontFamily">@*android:string/config_bodyFontFamily</item>
+        <item name="android:textColor">@color/notification_guts_sub_text_color</item>
+        <item name="android:gravity">center</item>
+    </style>
+
+    <style name="TextAppearance.NotificationImportanceButton">
+        <item name="android:textSize">@dimen/notification_importance_button_text</item>
+        <item name="android:fontFamily">@*android:string/config_bodyFontFamilyMedium</item>
+        <item name="android:gravity">center</item>
+    </style>
+
+    <style name="TextAppearance.NotificationImportanceButton.Selected" parent="TextAppearance.NotificationImportanceButton">
+        <item name="android:textColor">?android:attr/colorAccent</item>
+    </style>
+
+    <style name="TextAppearance.NotificationImportanceButton.Unselected" parent="TextAppearance.NotificationImportanceButton">
+        <item name="android:textColor">?android:attr/textColorPrimary</item>
+    </style>
+
     <style name="TextAppearance.HeadsUpStatusBarText"
            parent="@*android:style/TextAppearance.DeviceDefault.Notification.Info">
     </style>
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitch.java b/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitch.java
index fbb30d2..20de4d1 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitch.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitch.java
@@ -3,7 +3,6 @@
 import static com.android.systemui.util.InjectionInflationController.VIEW_CONTEXT;
 
 import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ValueAnimator;
 import android.app.WallpaperManager;
@@ -12,6 +11,7 @@
 import android.graphics.Paint.Style;
 import android.transition.ChangeBounds;
 import android.transition.Transition;
+import android.transition.TransitionListenerAdapter;
 import android.transition.TransitionManager;
 import android.transition.TransitionValues;
 import android.util.AttributeSet;
@@ -68,6 +68,11 @@
     private final Transition mTransition;
 
     /**
+     * Listener for layout transitions.
+     */
+    private final Transition.TransitionListener mTransitionListener;
+
+    /**
      * Optional/alternative clock injected via plugin.
      */
     private ClockPlugin mClockPlugin;
@@ -78,6 +83,12 @@
     private TextClock mClockView;
 
     /**
+     * Default clock, bold version.
+     * Used to transition to bold when shrinking the default clock.
+     */
+    private TextClock mClockViewBold;
+
+    /**
      * Frame for default and custom clock.
      */
     private FrameLayout mSmallClockFrame;
@@ -142,6 +153,7 @@
         mSysuiColorExtractor = colorExtractor;
         mClockManager = clockManager;
         mTransition = new ClockBoundsTransition();
+        mTransitionListener = new ClockBoundsTransitionListener();
     }
 
     /**
@@ -155,6 +167,7 @@
     protected void onFinishInflate() {
         super.onFinishInflate();
         mClockView = findViewById(R.id.default_clock_view);
+        mClockViewBold = findViewById(R.id.default_clock_view_bold);
         mSmallClockFrame = findViewById(R.id.clock_view);
         mKeyguardStatusArea = findViewById(R.id.keyguard_status_area);
     }
@@ -165,6 +178,7 @@
         mClockManager.addOnClockChangedListener(mClockChangedListener);
         mStatusBarStateController.addCallback(mStateListener);
         mSysuiColorExtractor.addOnColorsChangedListener(mColorsListener);
+        mTransition.addListener(mTransitionListener);
         updateColors();
     }
 
@@ -174,6 +188,7 @@
         mClockManager.removeOnClockChangedListener(mClockChangedListener);
         mStatusBarStateController.removeCallback(mStateListener);
         mSysuiColorExtractor.removeOnColorsChangedListener(mColorsListener);
+        mTransition.removeListener(mTransitionListener);
         setClockPlugin(null);
     }
 
@@ -193,6 +208,7 @@
         }
         if (plugin == null) {
             mClockView.setVisibility(View.VISIBLE);
+            mClockViewBold.setVisibility(View.INVISIBLE);
             mKeyguardStatusArea.setVisibility(View.VISIBLE);
             return;
         }
@@ -203,6 +219,7 @@
                     new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                             ViewGroup.LayoutParams.WRAP_CONTENT));
             mClockView.setVisibility(View.GONE);
+            mClockViewBold.setVisibility(View.GONE);
         }
         View bigClockView = plugin.getBigClockView();
         if (bigClockView != null && mBigClockContainer != null) {
@@ -242,6 +259,7 @@
      */
     public void setStyle(Style style) {
         mClockView.getPaint().setStyle(style);
+        mClockViewBold.getPaint().setStyle(style);
         if (mClockPlugin != null) {
             mClockPlugin.setStyle(style);
         }
@@ -252,6 +270,7 @@
      */
     public void setTextColor(int color) {
         mClockView.setTextColor(color);
+        mClockViewBold.setTextColor(color);
         if (mClockPlugin != null) {
             mClockPlugin.setTextColor(color);
         }
@@ -259,18 +278,22 @@
 
     public void setShowCurrentUserTime(boolean showCurrentUserTime) {
         mClockView.setShowCurrentUserTime(showCurrentUserTime);
+        mClockViewBold.setShowCurrentUserTime(showCurrentUserTime);
     }
 
     public void setTextSize(int unit, float size) {
         mClockView.setTextSize(unit, size);
+        mClockViewBold.setTextSize(unit, size);
     }
 
     public void setFormat12Hour(CharSequence format) {
         mClockView.setFormat12Hour(format);
+        mClockViewBold.setFormat12Hour(format);
     }
 
     public void setFormat24Hour(CharSequence format) {
         mClockView.setFormat24Hour(format);
+        mClockViewBold.setFormat24Hour(format);
     }
 
     /**
@@ -316,6 +339,7 @@
      */
     public void refresh() {
         mClockView.refresh();
+        mClockViewBold.refresh();
         if (mClockPlugin != null) {
             mClockPlugin.onTimeTick();
         }
@@ -356,8 +380,7 @@
 
     /**
      * Sets if the keyguard slice is showing a center-aligned header. We need a smaller clock in
-     * these
-     * cases.
+     * these cases.
      */
     public void setKeyguardShowingHeader(boolean hasHeader) {
         if (mShowingHeader == hasHeader || hasCustomClock()) {
@@ -371,8 +394,11 @@
         int paddingBottom = mContext.getResources().getDimensionPixelSize(mShowingHeader
                 ? R.dimen.widget_vertical_padding_clock : R.dimen.header_subtitle_padding);
         mClockView.setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize);
+        mClockViewBold.setTextSize(TypedValue.COMPLEX_UNIT_PX, fontSize);
         mClockView.setPadding(mClockView.getPaddingLeft(), mClockView.getPaddingTop(),
                 mClockView.getPaddingRight(), paddingBottom);
+        mClockViewBold.setPadding(mClockViewBold.getPaddingLeft(), mClockViewBold.getPaddingTop(),
+                mClockViewBold.getPaddingRight(), paddingBottom);
     }
 
     @VisibleForTesting(otherwise = VisibleForTesting.NONE)
@@ -389,6 +415,7 @@
         pw.println("KeyguardClockSwitch:");
         pw.println("  mClockPlugin: " + mClockPlugin);
         pw.println("  mClockView: " + mClockView);
+        pw.println("  mClockViewBold: " + mClockViewBold);
         pw.println("  mSmallClockFrame: " + mSmallClockFrame);
         pw.println("  mBigClockContainer: " + mBigClockContainer);
         pw.println("  mKeyguardStatusArea: " + mKeyguardStatusArea);
@@ -400,11 +427,15 @@
 
     /**
      * Special layout transition that scales the clock view as its bounds change, to make it look
-     * like
-     * the text is shrinking.
+     * like the text is shrinking.
      */
     private class ClockBoundsTransition extends ChangeBounds {
 
+        /**
+         * Animation fraction when text is transitioned to/from bold.
+         */
+        private static final float TO_BOLD_TRANSITION_FRACTION = 0.7f;
+
         ClockBoundsTransition() {
             setDuration(KeyguardSliceView.DEFAULT_ANIM_DURATION / 2);
             setInterpolator(Interpolators.LINEAR_OUT_SLOW_IN);
@@ -435,29 +466,51 @@
                         .getDimensionPixelSize(R.dimen.widget_small_font_size);
                 float startScale = mShowingHeader
                         ? bigFontSize / smallFontSize : smallFontSize / bigFontSize;
+                final int normalViewVisibility = mShowingHeader ? View.INVISIBLE : View.VISIBLE;
+                final int boldViewVisibility = mShowingHeader ? View.VISIBLE : View.INVISIBLE;
+                final float boldTransitionFraction = mShowingHeader ? TO_BOLD_TRANSITION_FRACTION :
+                        1f - TO_BOLD_TRANSITION_FRACTION;
                 boundsAnimator.addUpdateListener(animation -> {
+                    final float fraction = animation.getAnimatedFraction();
+                    if (fraction > boldTransitionFraction) {
+                        mClockView.setVisibility(normalViewVisibility);
+                        mClockViewBold.setVisibility(boldViewVisibility);
+                    }
                     float scale = MathUtils.lerp(startScale, 1f /* stop */,
                             animation.getAnimatedFraction());
                     mClockView.setPivotX(mClockView.getWidth() / 2f);
+                    mClockViewBold.setPivotX(mClockViewBold.getWidth() / 2f);
                     mClockView.setPivotY(0);
+                    mClockViewBold.setPivotY(0);
                     mClockView.setScaleX(scale);
+                    mClockViewBold.setScaleX(scale);
                     mClockView.setScaleY(scale);
-                });
-                boundsAnimator.addListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationEnd(Animator animator) {
-                        mClockView.setScaleX(1f);
-                        mClockView.setScaleY(1f);
-                    }
-
-                    @Override
-                    public void onAnimationCancel(Animator animator) {
-                        onAnimationEnd(animator);
-                    }
+                    mClockViewBold.setScaleY(scale);
                 });
             }
 
             return animator;
         }
     }
+
+    /**
+     * Transition listener for layout transition that scales the clock view.
+     */
+    private class ClockBoundsTransitionListener extends TransitionListenerAdapter {
+
+        @Override
+        public void onTransitionEnd(Transition transition) {
+            mClockView.setVisibility(mShowingHeader ? View.INVISIBLE : View.VISIBLE);
+            mClockViewBold.setVisibility(mShowingHeader ? View.VISIBLE : View.INVISIBLE);
+            mClockView.setScaleX(1f);
+            mClockViewBold.setScaleX(1f);
+            mClockView.setScaleY(1f);
+            mClockViewBold.setScaleY(1f);
+        }
+
+        @Override
+        public void onTransitionCancel(Transition transition) {
+            onTransitionEnd(transition);
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java
index 744f88d..ef383ad 100644
--- a/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java
+++ b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java
@@ -32,7 +32,6 @@
 import android.app.ActivityManager.RunningTaskInfo;
 import android.app.ActivityTaskManager;
 import android.app.IActivityTaskManager;
-import android.app.INotificationManager;
 import android.app.Notification;
 import android.content.Context;
 import android.content.pm.ParceledListSlice;
@@ -52,6 +51,7 @@
 import androidx.annotation.MainThread;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.statusbar.IStatusBarService;
 import com.android.internal.statusbar.NotificationVisibility;
 import com.android.systemui.Dependency;
 import com.android.systemui.R;
@@ -131,8 +131,7 @@
     private StatusBarStateListener mStatusBarStateListener;
 
     private final NotificationInterruptionStateProvider mNotificationInterruptionStateProvider;
-
-    private INotificationManager mNotificationManagerService;
+    private IStatusBarService mBarService;
 
     // Used for determining view rect for touch interaction
     private Rect mTempRect = new Rect();
@@ -207,13 +206,6 @@
         mNotificationEntryManager = Dependency.get(NotificationEntryManager.class);
         mNotificationEntryManager.addNotificationEntryListener(mEntryListener);
 
-        try {
-            mNotificationManagerService = INotificationManager.Stub.asInterface(
-                    ServiceManager.getServiceOrThrow(Context.NOTIFICATION_SERVICE));
-        } catch (ServiceManager.ServiceNotFoundException e) {
-            e.printStackTrace();
-        }
-
         mStatusBarWindowController = statusBarWindowController;
         mStatusBarStateListener = new StatusBarStateListener();
         Dependency.get(StatusBarStateController.class).addCallback(mStatusBarStateListener);
@@ -231,6 +223,9 @@
         mBubbleData = data;
         mBubbleData.setListener(mBubbleDataListener);
         mSurfaceSynchronizer = synchronizer;
+
+        mBarService = IStatusBarService.Stub.asInterface(
+                ServiceManager.getService(Context.STATUS_BAR_SERVICE));
     }
 
     /**
@@ -462,6 +457,18 @@
             if (mStackView != null) {
                 mStackView.removeBubble(bubble);
             }
+            if (!bubble.entry.showInShadeWhenBubble()) {
+                // The notification is gone & bubble is gone, time to actually remove it
+                mNotificationEntryManager.performRemoveNotification(bubble.entry.notification);
+            } else {
+                // The notification is still in the shade but we've removed the bubble so
+                // lets make sure NoMan knows it's not a bubble anymore
+                try {
+                    mBarService.onNotificationBubbleChanged(bubble.getKey(), false /* isBubble */);
+                } catch (RemoteException e) {
+                    // Bad things have happened
+                }
+            }
         }
 
         public void onBubbleUpdated(Bubble bubble) {
diff --git a/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java b/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java
index 0fe6611..a381e7b 100644
--- a/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java
+++ b/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java
@@ -247,6 +247,10 @@
                 }
                 if (state == DozeMachine.State.DOZE) {
                     mMachine.requestState(DozeMachine.State.DOZE_AOD);
+                    // Logs AOD open due to sensor wake up.
+                    mMetricsLogger.write(new LogMaker(MetricsEvent.DOZING)
+                            .setType(MetricsEvent.TYPE_OPEN)
+                            .setSubtype(DozeLog.REASON_SENSOR_WAKE_UP));
                 }
             }, false /* alreadyPerformedProxCheck */, DozeLog.REASON_SENSOR_WAKE_UP);
         } else {
@@ -254,6 +258,10 @@
             boolean pausing = (state == DozeMachine.State.DOZE_AOD_PAUSING);
             if (!pausing && !paused) {
                 mMachine.requestState(DozeMachine.State.DOZE);
+                // Logs AOD close due to sensor wake up.
+                mMetricsLogger.write(new LogMaker(MetricsEvent.DOZING)
+                        .setType(MetricsEvent.TYPE_CLOSE)
+                        .setSubtype(DozeLog.REASON_SENSOR_WAKE_UP));
             }
         }
     }
diff --git a/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialog.java b/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialog.java
index 505957a..e128531 100644
--- a/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialog.java
+++ b/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialog.java
@@ -1588,6 +1588,7 @@
                 mBackgroundDrawable = mContext.getDrawable(
                         com.android.systemui.R.drawable.global_action_panel_scrim);
                 mScrimAlpha = 1f;
+                initializePanel();
             }
             mGlobalActionsLayout.setSnapToEdge(true);
             getWindow().setBackgroundDrawable(mBackgroundDrawable);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
index ebafb81..c886062 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
@@ -54,7 +54,9 @@
 import com.android.systemui.statusbar.phone.KeyguardIndicationTextView;
 import com.android.systemui.statusbar.phone.LockIcon;
 import com.android.systemui.statusbar.phone.LockscreenGestureLogger;
+import com.android.systemui.statusbar.phone.ShadeController;
 import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager;
+import com.android.systemui.statusbar.policy.AccessibilityController;
 import com.android.systemui.statusbar.policy.UserInfoController;
 import com.android.systemui.util.wakelock.SettableWakeLock;
 import com.android.systemui.util.wakelock.WakeLock;
@@ -77,6 +79,8 @@
     private static final long TRANSIENT_BIOMETRIC_ERROR_TIMEOUT = 1300;
 
     private final Context mContext;
+    private final ShadeController mShadeController;
+    private final AccessibilityController mAccessibilityController;
     private ViewGroup mIndicationArea;
     private KeyguardIndicationTextView mTextView;
     private KeyguardIndicationTextView mDisclosure;
@@ -116,7 +120,9 @@
     public KeyguardIndicationController(Context context, ViewGroup indicationArea,
             LockIcon lockIcon) {
         this(context, indicationArea, lockIcon, new LockPatternUtils(context),
-                WakeLock.createPartial(context, "Doze:KeyguardIndication"));
+                WakeLock.createPartial(context, "Doze:KeyguardIndication"),
+                Dependency.get(ShadeController.class),
+                Dependency.get(AccessibilityController.class));
 
         registerCallbacks(KeyguardUpdateMonitor.getInstance(context));
     }
@@ -126,7 +132,8 @@
      */
     @VisibleForTesting
     KeyguardIndicationController(Context context, ViewGroup indicationArea, LockIcon lockIcon,
-            LockPatternUtils lockPatternUtils, WakeLock wakeLock) {
+            LockPatternUtils lockPatternUtils, WakeLock wakeLock, ShadeController shadeController,
+            AccessibilityController accessibilityController) {
         mContext = context;
         mIndicationArea = indicationArea;
         mTextView = indicationArea.findViewById(R.id.keyguard_indication_text);
@@ -134,9 +141,12 @@
                 mTextView.getTextColors() : ColorStateList.valueOf(Color.WHITE);
         mDisclosure = indicationArea.findViewById(R.id.keyguard_indication_enterprise_disclosure);
         mLockIcon = lockIcon;
+        mShadeController = shadeController;
+        mAccessibilityController = accessibilityController;
         // lock icon is not used on all form factors.
         if (mLockIcon != null) {
-            mLockIcon.setOnLongClickListener(this::handleTrustCircleClick);
+            mLockIcon.setOnLongClickListener(this::handleLockLongClick);
+            mLockIcon.setOnClickListener(this::handleLockClick);
         }
         mWakeLock = new SettableWakeLock(wakeLock, TAG);
         mLockPatternUtils = lockPatternUtils;
@@ -173,7 +183,7 @@
         Dependency.get(StatusBarStateController.class).removeCallback(this);
     }
 
-    private boolean handleTrustCircleClick(View view) {
+    private boolean handleLockLongClick(View view) {
         mLockscreenGestureLogger.write(MetricsProto.MetricsEvent.ACTION_LS_LOCK,
                 0 /* lengthDp - N/A */, 0 /* velocityDp - N/A */);
         showTransientIndication(R.string.keyguard_indication_trust_disabled);
@@ -182,6 +192,13 @@
         return true;
     }
 
+    private void handleLockClick(View view) {
+        if (!mAccessibilityController.isAccessibilityEnabled()) {
+            return;
+        }
+        mShadeController.showBouncer(false /* scrimmed */);
+    }
+
     /**
      * Gets the {@link KeyguardUpdateMonitorCallback} instance associated with this
      * {@link KeyguardIndicationController}.
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationInfo.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationInfo.java
index 622b869..e6875e4 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationInfo.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationInfo.java
@@ -18,8 +18,7 @@
 
 import static android.app.NotificationManager.IMPORTANCE_DEFAULT;
 import static android.app.NotificationManager.IMPORTANCE_LOW;
-import static android.app.NotificationManager.IMPORTANCE_MIN;
-import static android.app.NotificationManager.IMPORTANCE_NONE;
+import static android.app.NotificationManager.IMPORTANCE_UNSPECIFIED;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -37,9 +36,7 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.graphics.Color;
 import android.graphics.drawable.Drawable;
-import android.graphics.drawable.GradientDrawable;
 import android.metrics.LogMaker;
 import android.os.Handler;
 import android.os.RemoteException;
@@ -60,7 +57,6 @@
 import com.android.systemui.Dependency;
 import com.android.systemui.Interpolators;
 import com.android.systemui.R;
-import com.android.systemui.statusbar.notification.NotificationUtils;
 import com.android.systemui.statusbar.notification.logging.NotificationCounters;
 
 import java.util.List;
@@ -104,6 +100,8 @@
     private NotificationChannel mSingleNotificationChannel;
     private int mStartingChannelImportance;
     private boolean mWasShownHighPriority;
+    private boolean mShowOnLockscreen;
+    private boolean mShowInStatusBar;
     /**
      * The last importance level chosen by the user.  Null if the user has not chosen an importance
      * level; non-null once the user takes an action which indicates an explicit preference.
@@ -119,7 +117,8 @@
     private OnSettingsClickListener mOnSettingsClickListener;
     private OnAppSettingsClickListener mAppSettingsClickListener;
     private NotificationGuts mGutsContainer;
-    private GradientDrawable mSelectedBackground;
+    private Drawable mSelectedBackground;
+    private Drawable mUnselectedBackground;
 
     /** Whether this view is being shown as part of the blocking helper. */
     private boolean mIsForBlockingHelper;
@@ -133,6 +132,7 @@
     private OnClickListener mOnAlert = v -> {
         mExitReason = NotificationCounters.BLOCKING_HELPER_KEEP_SHOWING;
         mChosenImportance = IMPORTANCE_DEFAULT;
+        setImportanceSummary(ACTION_ALERT);
         updateButtons(ACTION_ALERT);
     };
 
@@ -140,6 +140,7 @@
     private OnClickListener mOnSilent = v -> {
         mExitReason = NotificationCounters.BLOCKING_HELPER_DELIVER_SILENTLY;
         mChosenImportance = IMPORTANCE_LOW;
+        setImportanceSummary(ACTION_TOGGLE_SILENT);
         updateButtons(ACTION_TOGGLE_SILENT);
     };
 
@@ -276,14 +277,8 @@
         mDelegatePkg = mSbn.getOpPkg();
         mIsDeviceProvisioned = isDeviceProvisioned;
 
-        mSelectedBackground = new GradientDrawable();
-        mSelectedBackground.setShape(GradientDrawable.RECTANGLE);
-        mSelectedBackground.setColor(mContext.getColor(R.color.notification_guts_selection_bg));
-        final float cornerRadii = getResources().getDisplayMetrics().density * 8;
-        mSelectedBackground.setCornerRadii(new float[]{cornerRadii, cornerRadii, cornerRadii,
-                cornerRadii, cornerRadii, cornerRadii, cornerRadii, cornerRadii});
-        mSelectedBackground.setStroke((int) (getResources().getDisplayMetrics().density * 2),
-                mContext.getColor(R.color.notification_guts_selection_border));
+        mSelectedBackground = mContext.getDrawable(R.drawable.button_border_selected);
+        mUnselectedBackground = mContext.getDrawable(R.drawable.button_border_unselected);
 
         int numTotalChannels = mINotificationManager.getNumNotificationChannelsForPackage(
                 pkg, mAppUid, false /* includeDeleted */);
@@ -297,6 +292,10 @@
                     && numTotalChannels == 1;
         }
 
+        mShowInStatusBar = !mINotificationManager.shouldHideSilentStatusIcons(
+                mContext.getPackageName());
+        // TODO: b/128445911 use show on lockscreen setting
+
         bindHeader();
         bindChannelDetails();
 
@@ -334,6 +333,7 @@
             findViewById(R.id.non_configurable_text).setVisibility(VISIBLE);
             findViewById(R.id.non_configurable_multichannel_text).setVisibility(GONE);
             findViewById(R.id.interruptiveness_settings).setVisibility(GONE);
+            ((TextView) findViewById(R.id.done)).setText(R.string.inline_done_button);
         } else if (mNumUniqueChannelsInRow > 1) {
             findViewById(R.id.non_configurable_text).setVisibility(GONE);
             findViewById(R.id.interruptiveness_settings).setVisibility(GONE);
@@ -353,15 +353,17 @@
         done.setOnClickListener(mOnDismissSettings);
 
 
-        View silent = findViewById(R.id.silent_row);
-        View alert = findViewById(R.id.alert_row);
+        View silent = findViewById(R.id.silence);
+        View alert = findViewById(R.id.alert);
         silent.setOnClickListener(mOnSilent);
         alert.setOnClickListener(mOnAlert);
 
         if (mWasShownHighPriority) {
             updateButtons(ACTION_ALERT);
+            setImportanceSummary(ACTION_ALERT);
         } else {
             updateButtons(ACTION_TOGGLE_SILENT);
+            setImportanceSummary(ACTION_TOGGLE_SILENT);
         }
     }
 
@@ -482,14 +484,11 @@
             }
         }
         TextView groupNameView = findViewById(R.id.group_name);
-        TextView groupDividerView = findViewById(R.id.pkg_group_divider);
         if (groupName != null) {
             groupNameView.setText(groupName);
             groupNameView.setVisibility(View.VISIBLE);
-            groupDividerView.setVisibility(View.VISIBLE);
         } else {
             groupNameView.setVisibility(View.GONE);
-            groupDividerView.setVisibility(View.GONE);
         }
     }
 
@@ -504,9 +503,9 @@
     private boolean hasImportanceChanged() {
         return mSingleNotificationChannel != null
                 && mChosenImportance != null
-                && (mStartingChannelImportance != mChosenImportance
-                || (mWasShownHighPriority && mChosenImportance < IMPORTANCE_DEFAULT)
-                || (!mWasShownHighPriority && mChosenImportance >= IMPORTANCE_DEFAULT));
+                && (mStartingChannelImportance == IMPORTANCE_UNSPECIFIED
+                        || (mWasShownHighPriority && mChosenImportance < IMPORTANCE_DEFAULT)
+                        || (!mWasShownHighPriority && mChosenImportance >= IMPORTANCE_DEFAULT));
     }
 
     private void saveImportance() {
@@ -526,29 +525,76 @@
         if (mChosenImportance != null) {
             mMetricsLogger.write(importanceChangeLogMaker());
 
+            int newImportance = mChosenImportance;
+            if (mStartingChannelImportance != IMPORTANCE_UNSPECIFIED) {
+                if ((mWasShownHighPriority && mChosenImportance >= IMPORTANCE_DEFAULT)
+                        || (!mWasShownHighPriority && mChosenImportance < IMPORTANCE_DEFAULT)) {
+                    newImportance = mStartingChannelImportance;
+                }
+            }
+
             Handler bgHandler = new Handler(Dependency.get(Dependency.BG_LOOPER));
             bgHandler.post(
                     new UpdateImportanceRunnable(mINotificationManager, mPackageName, mAppUid,
                             mNumUniqueChannelsInRow == 1 ? mSingleNotificationChannel : null,
-                            mStartingChannelImportance, mChosenImportance));
+                            mStartingChannelImportance, newImportance));
         }
     }
 
     private void updateButtons(int blockState) {
-        View silent = findViewById(R.id.silent_row);
-        View alert = findViewById(R.id.alert_row);
+        TextView silence = findViewById(R.id.silence);
+        TextView alert = findViewById(R.id.alert);
+        TextView done = findViewById(R.id.done);
         switch (blockState) {
             case ACTION_TOGGLE_SILENT:
-                silent.setBackground(mSelectedBackground);
-                alert.setBackground(null);
+                updateButtons(silence, alert);
+                if (mWasShownHighPriority) {
+                    done.setText(R.string.inline_ok_button);
+                } else {
+                    done.setText(R.string.inline_done_button);
+                }
                 break;
             case ACTION_ALERT:
-                alert.setBackground(mSelectedBackground);
-                silent.setBackground(null);
+                updateButtons(alert, silence);
+                if (mWasShownHighPriority) {
+                    done.setText(R.string.inline_done_button);
+                } else {
+                    done.setText(R.string.inline_ok_button);
+                }
                 break;
         }
     }
 
+    private void updateButtons(TextView selected, TextView unselected) {
+        selected.setBackground(mSelectedBackground);
+        selected.setSelected(true);
+        selected.setTextAppearance(
+                R.style.TextAppearance_NotificationImportanceButton_Selected);
+        unselected.setBackground(mUnselectedBackground);
+        unselected.setSelected(false);
+        unselected.setTextAppearance(
+                R.style.TextAppearance_NotificationImportanceButton_Unselected);
+    }
+
+    void setImportanceSummary(int blockState) {
+        TextView view = findViewById(R.id.description);
+        if (blockState == ACTION_ALERT) {
+            view.setText(R.string.notification_channel_summary_default);
+        } else {
+            if (mShowInStatusBar) {
+                if (mShowOnLockscreen) {
+                    view.setText(R.string.notification_channel_summary_low_status_lock);
+                } else {
+                    view.setText(R.string.notification_channel_summary_low_status);
+                }
+            } else if (mShowOnLockscreen) {
+                view.setText(R.string.notification_channel_summary_low_lock);
+            } else {
+                view.setText(R.string.notification_channel_summary_low);
+            }
+        }
+    }
+
     private void saveImportanceAndExitReason(@NotificationInfoAction int action) {
         switch (action) {
             case ACTION_UNDO:
@@ -556,15 +602,8 @@
                 break;
             case ACTION_DELIVER_SILENTLY:
                 mExitReason = NotificationCounters.BLOCKING_HELPER_DELIVER_SILENTLY;
-                mChosenImportance = IMPORTANCE_LOW;
-                break;
-            case ACTION_TOGGLE_SILENT:
-                mExitReason = NotificationCounters.BLOCKING_HELPER_TOGGLE_SILENT;
-                if (mWasShownHighPriority) {
-                    mChosenImportance = IMPORTANCE_LOW;
-                } else {
-                    mChosenImportance = IMPORTANCE_DEFAULT;
-                }
+                mChosenImportance = mWasShownHighPriority
+                        ? IMPORTANCE_LOW : mStartingChannelImportance;
                 break;
             default:
                 throw new IllegalArgumentException();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LockIcon.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LockIcon.java
index 6121ae6..586e82c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LockIcon.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LockIcon.java
@@ -248,10 +248,8 @@
         boolean canLock = mUnlockMethodCache.isMethodSecure()
                 && mUnlockMethodCache.canSkipBouncer();
         boolean clickToUnlock = mAccessibilityController.isAccessibilityEnabled();
-        boolean clickToForceLock = canLock && !clickToUnlock;
-        boolean longClickToForceLock = canLock && !clickToForceLock;
-        setClickable(clickToForceLock || clickToUnlock);
-        setLongClickable(longClickToForceLock);
+        setClickable(clickToUnlock);
+        setLongClickable(canLock && !clickToUnlock);
         setFocusable(mAccessibilityController.isAccessibilityEnabled());
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
index 2a933a7..742fdda 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
@@ -178,7 +178,7 @@
 
             // Send the assistant availability upon connection
             if (isConnected) {
-                mNavigationBarView.setAssistantAvailable(mAssistantAvailable);
+                sendAssistantAvailability(mAssistantAvailable);
             }
         }
 
@@ -235,7 +235,7 @@
             boolean available = mAssistManager
                     .getAssistInfoForUser(UserHandle.USER_CURRENT) != null;
             if (mAssistantAvailable != available) {
-                mNavigationBarView.setAssistantAvailable(available);
+                sendAssistantAvailability(available);
                 mAssistantAvailable = available;
             }
         }
@@ -903,6 +903,17 @@
         mNavigationBarView.setAccessibilityButtonState(showAccessibilityButton, targetSelection);
     }
 
+    private void sendAssistantAvailability(boolean available) {
+        if (mOverviewProxyService.getProxy() != null) {
+            try {
+                mOverviewProxyService.getProxy().onAssistantAvailable(available
+                        && QuickStepContract.isGesturalMode(getContext()));
+            } catch (RemoteException e) {
+                Log.w(TAG, "Unable to send assistant availability data to launcher");
+            }
+        }
+    }
+
     // ----- Methods that DisplayNavigationBarController talks to -----
 
     /** Applies auto dimming animation on navigation bar when touched. */
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
index a45d86e..411378f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
@@ -145,7 +145,6 @@
     private NotificationPanelView mPanelView;
 
     private NavBarTintController mTintController;
-    private boolean mAssistantAvailable;
 
     /**
      * Helper that is responsible for showing the right toast when a disallowed activity operation
@@ -759,23 +758,6 @@
         mEdgeBackGestureHandler.onOverlaysChanged();
     }
 
-    public void setAssistantAvailable(boolean available) {
-        mAssistantAvailable = available;
-        updateAssistantAvailability();
-    }
-
-    // TODO(b/112934365): move this back to NavigationBarFragment when prototype is removed
-    private void updateAssistantAvailability() {
-        boolean available = mAssistantAvailable && QuickStepContract.isGesturalMode(getContext());
-        if (mOverviewProxyService.getProxy() != null) {
-            try {
-                mOverviewProxyService.getProxy().onAssistantAvailable(available);
-            } catch (RemoteException e) {
-                Log.w(TAG, "Unable to send assistant availability data to launcher");
-            }
-        }
-    }
-
     public void setMenuVisibility(final boolean show) {
         mContextualButtonGroup.setButtonVisiblity(R.id.menu, show);
     }
@@ -898,10 +880,6 @@
     public void showPinningEnterExitToast(boolean entering) {
         if (entering) {
             mScreenPinningNotify.showPinningStartToast();
-
-            // TODO(b/112934365): remove after prototype finished, only needed to escape from pin
-            getBackButton().setVisibility(VISIBLE);
-            getHomeButton().setVisibility(VISIBLE);
         } else {
             mScreenPinningNotify.showPinningExitToast();
         }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
index 3f33ba6..f08d7ed 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
@@ -3326,7 +3326,11 @@
 
     @Override
     public void showBouncer(boolean scrimmed) {
-        mStatusBarKeyguardViewManager.showBouncer(scrimmed);
+        if (!mIsOccluded && !scrimmed && mState == StatusBarState.KEYGUARD) {
+            animateCollapsePanels(CommandQueue.FLAG_EXCLUDE_NONE, true /* force */);
+        } else {
+            mStatusBarKeyguardViewManager.showBouncer(scrimmed);
+        }
     }
 
     @Override
diff --git a/packages/SystemUI/tests/res/values/overlayable_icons_test.xml b/packages/SystemUI/tests/res/values/overlayable_icons_test.xml
new file mode 100644
index 0000000..5cc7976
--- /dev/null
+++ b/packages/SystemUI/tests/res/values/overlayable_icons_test.xml
@@ -0,0 +1,69 @@
+<!--
+   Copyright (C) 2019 The Android Open Source Project
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+-->
+<resources>
+  <!-- overlayable_icons references all of the drawables in this package
+       that are being overlayed by resource overlays. If you remove/rename
+       any of these resources, you must also change the resource overlay icons.-->
+  <array name="overlayable_icons">
+    <item>@drawable/ic_alarm</item>
+    <item>@drawable/ic_alarm_dim</item>
+    <item>@drawable/ic_bluetooth_connected</item>
+    <item>@drawable/ic_brightness_thumb</item>
+    <item>@drawable/ic_camera</item>
+    <item>@drawable/ic_cast</item>
+    <item>@drawable/ic_cast_connected</item>
+    <item>@drawable/ic_close_white</item>
+    <item>@drawable/ic_data_saver</item>
+    <item>@drawable/ic_data_saver_off</item>
+    <item>@drawable/ic_drag_handle</item>
+    <item>@drawable/ic_headset</item>
+    <item>@drawable/ic_headset_mic</item>
+    <item>@drawable/ic_hotspot</item>
+    <item>@drawable/ic_info</item>
+    <item>@drawable/ic_info_outline</item>
+    <item>@drawable/ic_invert_colors</item>
+    <item>@drawable/ic_location</item>
+    <item>@drawable/ic_lockscreen_ime</item>
+    <item>@drawable/ic_notifications_alert</item>
+    <item>@drawable/ic_notifications_silence</item>
+    <item>@drawable/ic_power_low</item>
+    <item>@drawable/ic_power_saver</item>
+    <item>@drawable/ic_qs_bluetooth_connecting</item>
+    <item>@drawable/ic_qs_bluetooth_connecting</item>
+    <item>@drawable/ic_qs_cancel</item>
+    <item>@drawable/ic_qs_no_sim</item>
+    <item>@drawable/ic_qs_wifi_0</item>
+    <item>@drawable/ic_qs_wifi_1</item>
+    <item>@drawable/ic_qs_wifi_2</item>
+    <item>@drawable/ic_qs_wifi_3</item>
+    <item>@drawable/ic_qs_wifi_4</item>
+    <item>@drawable/ic_qs_wifi_disconnected</item>
+    <item>@drawable/ic_screenshot_delete</item>
+    <item>@drawable/ic_settings</item>
+    <item>@drawable/ic_swap_vert</item>
+    <item>@drawable/ic_tune_black_16dp</item>
+    <item>@drawable/ic_volume_alarm_mute</item>
+    <item>@drawable/ic_volume_bt_sco</item>
+    <item>@drawable/ic_volume_media</item>
+    <item>@drawable/ic_volume_media_mute</item>
+    <item>@drawable/ic_volume_ringer</item>
+    <item>@drawable/ic_volume_ringer_mute</item>
+    <item>@drawable/ic_volume_ringer_vibrate</item>
+    <item>@drawable/ic_volume_voice</item>
+    <item>@drawable/stat_sys_mic_none</item>
+    <item>@drawable/stat_sys_vpn_ic</item>
+  </array>
+</resources>
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
index 80c51cf..375b6e5 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
@@ -20,6 +20,8 @@
 
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.verify;
@@ -46,11 +48,14 @@
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.phone.KeyguardIndicationTextView;
 import com.android.systemui.statusbar.phone.LockIcon;
+import com.android.systemui.statusbar.phone.ShadeController;
+import com.android.systemui.statusbar.policy.AccessibilityController;
 import com.android.systemui.util.wakelock.WakeLockFake;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
@@ -72,6 +77,10 @@
     private LockIcon mLockIcon;
     @Mock
     private LockPatternUtils mLockPatternUtils;
+    @Mock
+    private ShadeController mShadeController;
+    @Mock
+    private AccessibilityController mAccessibilityController;
     private KeyguardIndicationTextView mTextView;
 
     private KeyguardIndicationController mController;
@@ -102,7 +111,7 @@
             Looper.prepare();
         }
         mController = new KeyguardIndicationController(mContext, mIndicationArea, mLockIcon,
-                mLockPatternUtils, mWakeLock);
+                mLockPatternUtils, mWakeLock, mShadeController, mAccessibilityController);
     }
 
     @Test
@@ -222,4 +231,23 @@
         assertThat(mTextView.getCurrentTextColor()).isEqualTo(Color.WHITE);
         assertThat(mTextView.getAlpha()).isEqualTo(1f);
     }
+
+    @Test
+    public void lockIcon_click() {
+        createController();
+
+        ArgumentCaptor<View.OnLongClickListener> longClickCaptor = ArgumentCaptor.forClass(
+                View.OnLongClickListener.class);
+        ArgumentCaptor<View.OnClickListener> clickCaptor = ArgumentCaptor.forClass(
+                View.OnClickListener.class);
+        verify(mLockIcon).setOnLongClickListener(longClickCaptor.capture());
+        verify(mLockIcon).setOnClickListener(clickCaptor.capture());
+
+        when(mAccessibilityController.isAccessibilityEnabled()).thenReturn(true);
+        clickCaptor.getValue().onClick(mLockIcon);
+        verify(mShadeController).showBouncer(eq(false));
+
+        longClickCaptor.getValue().onLongClick(mLockIcon);
+        verify(mLockPatternUtils).requireCredentialEntry(anyInt());
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/NotificationInfoTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/NotificationInfoTest.java
index d2f8e02..02731c0 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/NotificationInfoTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/NotificationInfoTest.java
@@ -250,8 +250,6 @@
                 IMPORTANCE_DEFAULT, true);
         final TextView groupNameView = mNotificationInfo.findViewById(R.id.group_name);
         assertEquals(GONE, groupNameView.getVisibility());
-        final TextView groupDividerView = mNotificationInfo.findViewById(R.id.pkg_group_divider);
-        assertEquals(GONE, groupDividerView.getVisibility());
     }
 
     @Test
@@ -268,8 +266,6 @@
         final TextView groupNameView = mNotificationInfo.findViewById(R.id.group_name);
         assertEquals(View.VISIBLE, groupNameView.getVisibility());
         assertEquals("Test Group Name", groupNameView.getText());
-        final TextView groupDividerView = mNotificationInfo.findViewById(R.id.pkg_group_divider);
-        assertEquals(View.VISIBLE, groupDividerView.getVisibility());
     }
 
     @Test
@@ -486,7 +482,7 @@
                 TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, false,
                 IMPORTANCE_LOW, false);
 
-        mNotificationInfo.findViewById(R.id.alert_row).performClick();
+        mNotificationInfo.findViewById(R.id.alert).performClick();
         mTestableLooper.processAllMessages();
         verify(mMockINotificationManager, never()).updateNotificationChannelForPackage(
                 anyString(), eq(TEST_UID), any());
@@ -500,7 +496,7 @@
                 TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, false,
                 IMPORTANCE_DEFAULT, true);
 
-        mNotificationInfo.findViewById(R.id.silent_row).performClick();
+        mNotificationInfo.findViewById(R.id.silence).performClick();
         mTestableLooper.processAllMessages();
         verify(mMockINotificationManager, never()).updateNotificationChannelForPackage(
                 anyString(), eq(TEST_UID), any());
@@ -527,7 +523,7 @@
         mNotificationChannel.setImportance(IMPORTANCE_UNSPECIFIED);
         mNotificationInfo.bindNotification(mMockPackageManager, mMockINotificationManager,
                 TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, false,
-                IMPORTANCE_DEFAULT, true);
+                IMPORTANCE_UNSPECIFIED, true);
 
         mNotificationInfo.handleCloseControls(true, false);
 
@@ -542,6 +538,7 @@
             throws Exception {
         NotificationInfo.CheckSaveListener listener =
                 mock(NotificationInfo.CheckSaveListener.class);
+        mNotificationChannel.setImportance(IMPORTANCE_DEFAULT);
         mNotificationInfo.bindNotification(mMockPackageManager, mMockINotificationManager,
                 TEST_PACKAGE_NAME, mNotificationChannel /* notificationChannel */,
                 10 /* numUniqueChannelsInRow */, mSbn, listener /* checkSaveListener */,
@@ -570,6 +567,7 @@
             throws Exception {
         NotificationInfo.CheckSaveListener listener =
                 mock(NotificationInfo.CheckSaveListener.class);
+        mNotificationChannel.setImportance(IMPORTANCE_DEFAULT);
         mNotificationInfo.bindNotification(mMockPackageManager, mMockINotificationManager,
                 TEST_PACKAGE_NAME, mNotificationChannel /* notificationChannel */,
                 10 /* numUniqueChannelsInRow */, mSbn, listener /* checkSaveListener */,
@@ -588,6 +586,7 @@
             throws Exception {
         NotificationInfo.CheckSaveListener listener =
                 mock(NotificationInfo.CheckSaveListener.class);
+        mNotificationChannel.setImportance(IMPORTANCE_DEFAULT);
         mNotificationInfo.bindNotification(mMockPackageManager, mMockINotificationManager,
                 TEST_PACKAGE_NAME, mNotificationChannel /* notificationChannel */,
                 10 /* numUniqueChannelsInRow */, mSbn, listener /* checkSaveListener */,
@@ -603,6 +602,7 @@
 
     @Test
     public void testCloseControls_blockingHelperDismissedIfShown() throws Exception {
+        mNotificationChannel.setImportance(IMPORTANCE_DEFAULT);
         mNotificationInfo.bindNotification(
                 mMockPackageManager,
                 mMockINotificationManager,
@@ -629,7 +629,7 @@
     @Test
     public void testSilentlyChangedCallsUpdateNotificationChannel_blockingHelper()
             throws Exception {
-        mNotificationChannel.setImportance(IMPORTANCE_LOW);
+        mNotificationChannel.setImportance(IMPORTANCE_DEFAULT);
         mNotificationInfo.bindNotification(
                 mMockPackageManager,
                 mMockINotificationManager,
@@ -644,7 +644,7 @@
                 false /* isNonblockable */,
                 true /* isForBlockingHelper */,
                 IMPORTANCE_DEFAULT,
-                false);
+                true);
 
         mNotificationInfo.findViewById(R.id.deliver_silently).performClick();
         waitForUndoButton();
@@ -684,7 +684,7 @@
         mNotificationChannel.setImportance(IMPORTANCE_DEFAULT);
         mNotificationInfo.bindNotification(mMockPackageManager, mMockINotificationManager,
                 TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, true,
-                IMPORTANCE_DEFAULT, false);
+                IMPORTANCE_DEFAULT, true);
 
         mNotificationInfo.handleCloseControls(true, false);
 
@@ -704,7 +704,7 @@
                 TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, false,
                 IMPORTANCE_DEFAULT, true);
 
-        mNotificationInfo.findViewById(R.id.silent_row).performClick();
+        mNotificationInfo.findViewById(R.id.silence).performClick();
         mNotificationInfo.findViewById(R.id.done).performClick();
         mNotificationInfo.handleCloseControls(true, false);
 
@@ -723,9 +723,9 @@
         mNotificationChannel.setImportance(IMPORTANCE_LOW);
         mNotificationInfo.bindNotification(mMockPackageManager, mMockINotificationManager,
                 TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, false,
-                IMPORTANCE_DEFAULT, false);
+                IMPORTANCE_LOW, false);
 
-        mNotificationInfo.findViewById(R.id.alert_row).performClick();
+        mNotificationInfo.findViewById(R.id.alert).performClick();
         mNotificationInfo.findViewById(R.id.done).performClick();
         mNotificationInfo.handleCloseControls(true, false);
 
@@ -745,9 +745,9 @@
         mNotificationChannel.setImportance(IMPORTANCE_UNSPECIFIED);
         mNotificationInfo.bindNotification(mMockPackageManager, mMockINotificationManager,
                 TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, false,
-                IMPORTANCE_DEFAULT, true);
+                IMPORTANCE_UNSPECIFIED, true);
 
-        mNotificationInfo.findViewById(R.id.silent_row).performClick();
+        mNotificationInfo.findViewById(R.id.silence).performClick();
         mNotificationInfo.findViewById(R.id.done).performClick();
         mNotificationInfo.handleCloseControls(true, false);
 
@@ -762,14 +762,82 @@
     }
 
     @Test
-    public void testUnSilenceCallsUpdateNotificationChannel_channelImportanceUnspecified()
+    public void testSilenceCallsUpdateNotificationChannel_channelImportanceMin()
             throws Exception {
-        mNotificationChannel.setImportance(IMPORTANCE_UNSPECIFIED);
+        mNotificationChannel.setImportance(IMPORTANCE_MIN);
+        mNotificationInfo.bindNotification(mMockPackageManager, mMockINotificationManager,
+                TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, false,
+                IMPORTANCE_MIN, false);
+
+        assertEquals(mContext.getString(R.string.inline_done_button),
+                ((TextView) mNotificationInfo.findViewById(R.id.done)).getText());
+        mNotificationInfo.findViewById(R.id.silence).performClick();
+        assertEquals(mContext.getString(R.string.inline_done_button),
+                ((TextView) mNotificationInfo.findViewById(R.id.done)).getText());
+        mNotificationInfo.findViewById(R.id.done).performClick();
+        mNotificationInfo.handleCloseControls(true, false);
+
+        mTestableLooper.processAllMessages();
+        ArgumentCaptor<NotificationChannel> updated =
+                ArgumentCaptor.forClass(NotificationChannel.class);
+        verify(mMockINotificationManager, times(1)).updateNotificationChannelForPackage(
+                anyString(), eq(TEST_UID), updated.capture());
+        assertTrue((updated.getValue().getUserLockedFields()& USER_LOCKED_IMPORTANCE) != 0);
+        assertEquals(IMPORTANCE_MIN, updated.getValue().getImportance());
+    }
+
+    @Test
+    public void testAlertCallsUpdateNotificationChannel_channelImportanceMin()
+            throws Exception {
+        mNotificationChannel.setImportance(IMPORTANCE_MIN);
+        mNotificationInfo.bindNotification(mMockPackageManager, mMockINotificationManager,
+                TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, false,
+                IMPORTANCE_MIN, false);
+
+        assertEquals(mContext.getString(R.string.inline_done_button),
+                ((TextView) mNotificationInfo.findViewById(R.id.done)).getText());
+        mNotificationInfo.findViewById(R.id.alert).performClick();
+        assertEquals(mContext.getString(R.string.inline_ok_button),
+                ((TextView) mNotificationInfo.findViewById(R.id.done)).getText());
+        mNotificationInfo.findViewById(R.id.done).performClick();
+        mNotificationInfo.handleCloseControls(true, false);
+
+        mTestableLooper.processAllMessages();
+        ArgumentCaptor<NotificationChannel> updated =
+                ArgumentCaptor.forClass(NotificationChannel.class);
+        verify(mMockINotificationManager, times(1)).updateNotificationChannelForPackage(
+                anyString(), eq(TEST_UID), updated.capture());
+        assertTrue((updated.getValue().getUserLockedFields()& USER_LOCKED_IMPORTANCE) != 0);
+        assertEquals(IMPORTANCE_DEFAULT, updated.getValue().getImportance());
+    }
+
+    @Test
+    public void testDoneText()
+            throws Exception {
+        mNotificationChannel.setImportance(IMPORTANCE_LOW);
         mNotificationInfo.bindNotification(mMockPackageManager, mMockINotificationManager,
                 TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, false,
                 IMPORTANCE_LOW, false);
 
-        mNotificationInfo.findViewById(R.id.alert_row).performClick();
+        assertEquals(mContext.getString(R.string.inline_done_button),
+                ((TextView) mNotificationInfo.findViewById(R.id.done)).getText());
+        mNotificationInfo.findViewById(R.id.alert).performClick();
+        assertEquals(mContext.getString(R.string.inline_ok_button),
+                ((TextView) mNotificationInfo.findViewById(R.id.done)).getText());
+        mNotificationInfo.findViewById(R.id.silence).performClick();
+        assertEquals(mContext.getString(R.string.inline_done_button),
+                ((TextView) mNotificationInfo.findViewById(R.id.done)).getText());
+    }
+
+    @Test
+    public void testUnSilenceCallsUpdateNotificationChannel_channelImportanceUnspecified()
+            throws Exception {
+        mNotificationChannel.setImportance(IMPORTANCE_LOW);
+        mNotificationInfo.bindNotification(mMockPackageManager, mMockINotificationManager,
+                TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, false,
+                IMPORTANCE_LOW, false);
+
+        mNotificationInfo.findViewById(R.id.alert).performClick();
         mNotificationInfo.findViewById(R.id.done).performClick();
         mNotificationInfo.handleCloseControls(true, false);
 
@@ -790,7 +858,7 @@
                 TEST_PACKAGE_NAME, mNotificationChannel, 1, mSbn, null, null, null, true, false,
                 IMPORTANCE_LOW, false);
 
-        mNotificationInfo.findViewById(R.id.alert_row).performClick();
+        mNotificationInfo.findViewById(R.id.alert).performClick();
         mNotificationInfo.findViewById(R.id.done).performClick();
         mNotificationInfo.handleCloseControls(false, false);
 
@@ -809,7 +877,7 @@
                 }, null, null, true, false, IMPORTANCE_LOW, false
         );
 
-        mNotificationInfo.findViewById(R.id.alert_row).performClick();
+        mNotificationInfo.findViewById(R.id.alert).performClick();
         mNotificationInfo.findViewById(R.id.done).performClick();
         mTestableLooper.processAllMessages();
         verify(mMockINotificationManager, never()).updateNotificationChannelForPackage(
diff --git a/services/core/java/com/android/server/location/GnssVisibilityControl.java b/services/core/java/com/android/server/location/GnssVisibilityControl.java
index 60be70e..8391f9d 100644
--- a/services/core/java/com/android/server/location/GnssVisibilityControl.java
+++ b/services/core/java/com/android/server/location/GnssVisibilityControl.java
@@ -288,6 +288,18 @@
                     return "<Unknown>";
             }
         }
+
+        private boolean isRequestAccepted() {
+            return mResponseType != NfwNotification.NFW_RESPONSE_TYPE_REJECTED;
+        }
+
+        private boolean isRequestAttributedToProxyApp() {
+            return !TextUtils.isEmpty(mProxyAppPackageName);
+        }
+
+        private boolean isEmergencyRequestNotification() {
+            return mInEmergencyMode && !isRequestAttributedToProxyApp();
+        }
     }
 
     private void handlePermissionsChanged(int uid) {
@@ -376,20 +388,37 @@
     private void handleNfwNotification(NfwNotification nfwNotification) {
         if (DEBUG) Log.d(TAG, "Non-framework location access notification: " + nfwNotification);
 
-        final String proxyAppPackageName = nfwNotification.mProxyAppPackageName;
-        Boolean isLocationPermissionEnabled = mProxyAppToLocationPermissions.get(
-                proxyAppPackageName);
-        boolean isLocationRequestAccepted =
-                nfwNotification.mResponseType != NfwNotification.NFW_RESPONSE_TYPE_REJECTED;
-        boolean isPermissionMismatched;
-        if (isLocationPermissionEnabled == null) {
-            isPermissionMismatched = isLocationRequestAccepted;
-        } else {
-            isPermissionMismatched = (isLocationPermissionEnabled != isLocationRequestAccepted);
+        if (nfwNotification.isEmergencyRequestNotification()) {
+            handleEmergencyNfwNotification(nfwNotification);
+            return;
         }
+
+        final String proxyAppPackageName = nfwNotification.mProxyAppPackageName;
+        final Boolean isLocationPermissionEnabled = mProxyAppToLocationPermissions.get(
+                proxyAppPackageName);
+        final boolean isLocationRequestAccepted = nfwNotification.isRequestAccepted();
+        final boolean isPermissionMismatched =
+                (isLocationPermissionEnabled == null) ? isLocationRequestAccepted
+                        : (isLocationPermissionEnabled != isLocationRequestAccepted);
         logEvent(nfwNotification, isPermissionMismatched);
 
-        if (TextUtils.isEmpty(proxyAppPackageName)) {
+        if (!nfwNotification.isRequestAttributedToProxyApp()) {
+            // Handle cases where GNSS HAL implementation correctly rejected NFW location request.
+            // 1. GNSS HAL implementation doesn't provide location to any NFW location use cases.
+            //    There is no Location Attribution App configured in the framework.
+            // 2. GNSS HAL implementation doesn't provide location to some NFW location use cases.
+            //    Location Attribution Apps are configured only for the supported NFW location
+            //    use cases. All other use cases which are not supported (and always rejected) by
+            //    the GNSS HAL implementation will have proxyAppPackageName set to empty string.
+            if (!isLocationRequestAccepted) {
+                if (DEBUG) {
+                    Log.d(TAG, "Non-framework location request rejected. ProxyAppPackageName field"
+                            + " is not set in the notification: " + nfwNotification + ". Number of"
+                            + " configured proxy apps: " + mProxyAppToLocationPermissions.size());
+                }
+                return;
+            }
+
             Log.e(TAG, "ProxyAppPackageName field is not set. AppOps service not notified "
                     + "for non-framework location access notification: " + nfwNotification);
             return;
@@ -423,6 +452,16 @@
         }
     }
 
+    private void handleEmergencyNfwNotification(NfwNotification nfwNotification) {
+        boolean isPermissionMismatched =
+                (nfwNotification.mResponseType == NfwNotification.NFW_RESPONSE_TYPE_REJECTED);
+        if (isPermissionMismatched) {
+            Log.e(TAG, "Emergency non-framework location request incorrectly rejected."
+                    + " Notification: " + nfwNotification);
+        }
+        logEvent(nfwNotification, isPermissionMismatched);
+    }
+
     private void logEvent(NfwNotification notification, boolean isPermissionMismatched) {
         StatsLog.write(StatsLog.GNSS_NFW_NOTIFICATION_REPORTED,
                 notification.mProxyAppPackageName,
diff --git a/services/core/java/com/android/server/net/NetworkStatsFactory.java b/services/core/java/com/android/server/net/NetworkStatsFactory.java
index 174f6009..69efd02 100644
--- a/services/core/java/com/android/server/net/NetworkStatsFactory.java
+++ b/services/core/java/com/android/server/net/NetworkStatsFactory.java
@@ -24,7 +24,10 @@
 import static com.android.server.NetworkManagementSocketTagger.kernelToTag;
 
 import android.annotation.Nullable;
+import android.net.INetd;
 import android.net.NetworkStats;
+import android.net.util.NetdService;
+import android.os.RemoteException;
 import android.os.StrictMode;
 import android.os.SystemClock;
 
@@ -65,6 +68,8 @@
 
     private boolean mUseBpfStats;
 
+    private INetd mNetdService;
+
     // A persistent Snapshot since device start for eBPF stats
     @GuardedBy("mPersistSnapshot")
     private final NetworkStats mPersistSnapshot;
@@ -274,6 +279,19 @@
         return stats;
     }
 
+    @GuardedBy("mPersistSnapshot")
+    private void requestSwapActiveStatsMapLocked() throws RemoteException {
+        // Ask netd to do a active map stats swap. When the binder call successfully returns,
+        // the system server should be able to safely read and clean the inactive map
+        // without race problem.
+        if (mUseBpfStats) {
+            if (mNetdService == null) {
+                mNetdService = NetdService.getInstance();
+            }
+            mNetdService.trafficSwapActiveStatsMap();
+        }
+    }
+
     // TODO: delete the lastStats parameter
     private NetworkStats readNetworkStatsDetailInternal(int limitUid, String[] limitIfaces,
             int limitTag, NetworkStats lastStats) throws IOException {
@@ -287,6 +305,13 @@
             }
             if (mUseBpfStats) {
                 synchronized (mPersistSnapshot) {
+                    try {
+                        requestSwapActiveStatsMapLocked();
+                    } catch (RemoteException e) {
+                        throw new IOException(e);
+                    }
+                    // Stats are always read from the inactive map, so they must be read after the
+                    // swap
                     if (nativeReadNetworkStatsDetail(stats, mStatsXtUid.getAbsolutePath(), UID_ALL,
                             null, TAG_ALL, mUseBpfStats) != 0) {
                         throw new IOException("Failed to parse network stats");
diff --git a/services/core/java/com/android/server/notification/NotificationDelegate.java b/services/core/java/com/android/server/notification/NotificationDelegate.java
index b85abd9..61be1f5 100644
--- a/services/core/java/com/android/server/notification/NotificationDelegate.java
+++ b/services/core/java/com/android/server/notification/NotificationDelegate.java
@@ -46,6 +46,7 @@
             int notificationLocation);
     void onNotificationDirectReplied(String key);
     void onNotificationSettingsViewed(String key);
+    void onNotificationBubbleChanged(String key, boolean isBubble);
 
     /**
      * Notifies that smart replies and actions have been added to the UI.
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index e5ecd49..9fc30eb 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -1020,6 +1020,24 @@
                 }
             }
         }
+
+        @Override
+        public void onNotificationBubbleChanged(String key, boolean isBubble) {
+            synchronized (mNotificationLock) {
+                NotificationRecord r = mNotificationsByKey.get(key);
+                if (r != null) {
+                    final StatusBarNotification n = r.sbn;
+                    final int callingUid = n.getUid();
+                    final String pkg = n.getPackageName();
+                    if (isBubble && isNotificationAppropriateToBubble(r, pkg, callingUid,
+                            null /* oldEntry */)) {
+                        r.getNotification().flags |= FLAG_BUBBLE;
+                    } else {
+                        r.getNotification().flags &= ~FLAG_BUBBLE;
+                    }
+                }
+            }
+        }
     };
 
     @VisibleForTesting
@@ -4782,6 +4800,19 @@
     private void flagNotificationForBubbles(NotificationRecord r, String pkg, int userId,
             NotificationRecord oldRecord) {
         Notification notification = r.getNotification();
+        if (isNotificationAppropriateToBubble(r, pkg, userId, oldRecord)) {
+            notification.flags |= FLAG_BUBBLE;
+        } else {
+            notification.flags &= ~FLAG_BUBBLE;
+        }
+    }
+
+    /**
+     * @return whether the provided notification record is allowed to be represented as a bubble.
+     */
+    private boolean isNotificationAppropriateToBubble(NotificationRecord r, String pkg, int userId,
+            NotificationRecord oldRecord) {
+        Notification notification = r.getNotification();
 
         // Does the app want to bubble & have permission to bubble?
         boolean canBubble = notification.getBubbleMetadata() != null
@@ -4807,12 +4838,7 @@
         // OR something that was previously a bubble & still exists
         boolean bubbleUpdate = oldRecord != null
                 && (oldRecord.getNotification().flags & FLAG_BUBBLE) != 0;
-
-        if (canBubble && (notificationAppropriateToBubble || appIsForeground || bubbleUpdate)) {
-            notification.flags |= FLAG_BUBBLE;
-        } else {
-            notification.flags &= ~FLAG_BUBBLE;
-        }
+        return canBubble && (notificationAppropriateToBubble || appIsForeground || bubbleUpdate);
     }
 
     private void doChannelWarningToast(CharSequence toastText) {
diff --git a/services/core/java/com/android/server/statusbar/StatusBarManagerService.java b/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
index 9cbf00b..af009ec 100644
--- a/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
+++ b/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
@@ -1314,6 +1314,17 @@
     }
 
     @Override
+    public void onNotificationBubbleChanged(String key, boolean isBubble) {
+        enforceStatusBarService();
+        long identity = Binder.clearCallingIdentity();
+        try {
+            mNotificationDelegate.onNotificationBubbleChanged(key, isBubble);
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    @Override
     public void onShellCommand(FileDescriptor in, FileDescriptor out, FileDescriptor err,
             String[] args, ShellCallback callback, ResultReceiver resultReceiver) {
         (new StatusBarShellCommand(this, mContext)).exec(
diff --git a/services/core/java/com/android/server/wm/DisplayPolicy.java b/services/core/java/com/android/server/wm/DisplayPolicy.java
index a57dd6d..43d9e43 100644
--- a/services/core/java/com/android/server/wm/DisplayPolicy.java
+++ b/services/core/java/com/android/server/wm/DisplayPolicy.java
@@ -268,6 +268,9 @@
     private int[] mNavigationBarHeightForRotationInCarMode = new int[4];
     private int[] mNavigationBarWidthForRotationInCarMode = new int[4];
 
+    /** See {@link #getNavigationBarFrameHeight} */
+    private int[] mNavigationBarFrameHeightForRotationDefault = new int[4];
+
     /** Cached value of {@link ScreenShapeHelper#getWindowOutsetBottomPx} */
     @Px private int mWindowOutsetBottom;
 
@@ -286,10 +289,6 @@
                 }
             };
 
-    // EXPERIMENT TODO(b/113952590): Remove once experiment in bug is completed
-    private NavigationBarExperiments mExperiments = new NavigationBarExperiments();
-    // EXPERIMENT END
-
     @GuardedBy("mHandler")
     private SleepToken mDreamingSleepToken;
 
@@ -1621,11 +1620,9 @@
             // It's a system nav bar or a portrait screen; nav bar goes on bottom.
             final int top = cutoutSafeUnrestricted.bottom
                     - getNavigationBarHeight(rotation, uiMode);
-            // EXPERIMENT TODO(b/113952590): Remove once experiment in bug is completed
             final int topNavBar = cutoutSafeUnrestricted.bottom
-                    - mExperiments.getNavigationBarFrameHeight();
+                    - getNavigationBarFrameHeight(rotation, uiMode);
             navigationFrame.set(0, topNavBar, displayWidth, displayFrames.mUnrestricted.bottom);
-            // EXPERIMENT END
             displayFrames.mStable.bottom = displayFrames.mStableFullscreen.bottom = top;
             if (transientNavBarShowing) {
                 mNavigationBarController.setBarShowingLw(true);
@@ -1648,11 +1645,7 @@
             // Landscape screen; nav bar goes to the right.
             final int left = cutoutSafeUnrestricted.right
                     - getNavigationBarWidth(rotation, uiMode);
-            // EXPERIMENT TODO(b/113952590): Remove once experiment in bug is completed
-            final int leftNavBar = cutoutSafeUnrestricted.right
-                    - mExperiments.getNavigationBarFrameWidth();
-            navigationFrame.set(leftNavBar, 0, displayFrames.mUnrestricted.right, displayHeight);
-            // EXPERIMENT END
+            navigationFrame.set(left, 0, displayFrames.mUnrestricted.right, displayHeight);
             displayFrames.mStable.right = displayFrames.mStableFullscreen.right = left;
             if (transientNavBarShowing) {
                 mNavigationBarController.setBarShowingLw(true);
@@ -1675,11 +1668,7 @@
             // Seascape screen; nav bar goes to the left.
             final int right = cutoutSafeUnrestricted.left
                     + getNavigationBarWidth(rotation, uiMode);
-            // EXPERIMENT TODO(b/113952590): Remove once experiment in bug is completed
-            final int rightNavBar = cutoutSafeUnrestricted.left
-                    + mExperiments.getNavigationBarFrameWidth();
-            navigationFrame.set(displayFrames.mUnrestricted.left, 0, rightNavBar, displayHeight);
-            // EXPERIMENT END
+            navigationFrame.set(displayFrames.mUnrestricted.left, 0, right, displayHeight);
             displayFrames.mStable.left = displayFrames.mStableFullscreen.left = right;
             if (transientNavBarShowing) {
                 mNavigationBarController.setBarShowingLw(true);
@@ -1887,10 +1876,21 @@
                 }
             }
 
-            // EXPERIMENT TODO(b/113952590): Remove once experiment in bug is completed
-            // Offset the ime to avoid overlapping with the nav bar
-            mExperiments.offsetWindowFramesForNavBar(mNavigationBarPosition, win);
-            // EXPERIMENT END
+            // In case the navigation bar is on the bottom, we use the frame height instead of the
+            // regular height for the insets we send to the IME as we need some space to show
+            // additional buttons in SystemUI when the IME is up.
+            if (mNavigationBarPosition == NAV_BAR_BOTTOM) {
+                final int rotation = displayFrames.mRotation;
+                final int uimode = mService.mPolicy.getUiMode();
+                final int navHeightOffset = getNavigationBarFrameHeight(rotation, uimode)
+                        - getNavigationBarHeight(rotation, uimode);
+                if (navHeightOffset > 0) {
+                    cf.bottom -= navHeightOffset;
+                    sf.bottom -= navHeightOffset;
+                    vf.bottom -= navHeightOffset;
+                    dcf.bottom -= navHeightOffset;
+                }
+            }
 
             // IM dock windows always go to the bottom of the screen.
             attrs.gravity = Gravity.BOTTOM;
@@ -2623,6 +2623,7 @@
         final int upsideDownRotation = displayRotation.getUpsideDownRotation();
         final int landscapeRotation = displayRotation.getLandscapeRotation();
         final int seascapeRotation = displayRotation.getSeascapeRotation();
+        final int uiMode = mService.mPolicy.getUiMode();
 
         if (hasStatusBar()) {
             mStatusBarHeightForRotation[portraitRotation] =
@@ -2646,6 +2647,14 @@
         mNavigationBarHeightForRotationDefault[seascapeRotation] =
                 res.getDimensionPixelSize(R.dimen.navigation_bar_height_landscape);
 
+        // Height of the navigation bar frame when presented horizontally at bottom
+        mNavigationBarFrameHeightForRotationDefault[portraitRotation] =
+        mNavigationBarFrameHeightForRotationDefault[upsideDownRotation] =
+                res.getDimensionPixelSize(R.dimen.navigation_bar_frame_height);
+        mNavigationBarFrameHeightForRotationDefault[landscapeRotation] =
+        mNavigationBarFrameHeightForRotationDefault[seascapeRotation] =
+                res.getDimensionPixelSize(R.dimen.navigation_bar_frame_height_landscape);
+
         // Width of the navigation bar when presented vertically along one side
         mNavigationBarWidthForRotationDefault[portraitRotation] =
         mNavigationBarWidthForRotationDefault[upsideDownRotation] =
@@ -2674,16 +2683,10 @@
         mSideGestureInset = res.getDimensionPixelSize(R.dimen.config_backGestureInset);
         mNavigationBarLetsThroughTaps = res.getBoolean(R.bool.config_navBarTapThrough);
 
-        // EXPERIMENT TODO(b/113952590): Remove once experiment in bug is completed
-        mExperiments.onConfigurationChanged(uiContext);
-        // EXPERIMENT END
-
-        // EXPERIMENT: TODO(b/113952590): Replace with real code after experiment.
-        // This should calculate how much above the frame we accept gestures. Currently,
-        // we extend the frame to capture the gestures, so this is 0.
-        mBottomGestureAdditionalInset = mExperiments.getNavigationBarFrameHeight()
-                - mExperiments.getNavigationBarFrameHeight();
-        // EXPERIMENT END
+        // This should calculate how much above the frame we accept gestures.
+        mBottomGestureAdditionalInset = Math.max(0,
+                res.getDimensionPixelSize(R.dimen.navigation_bar_gesture_height)
+                        - getNavigationBarFrameHeight(portraitRotation, uiMode));
 
         updateConfigurationAndScreenSizeDependentBehaviors();
         mWindowOutsetBottom = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
@@ -2749,6 +2752,26 @@
     }
 
     /**
+     * Get the Navigation Bar Frame height. This dimension is the height of the navigation bar that
+     * is used for spacing to show additional buttons on the navigation bar (such as the ime
+     * switcher when ime is visible) while {@link #getNavigationBarHeight} is used for the visible
+     * height that we send to the app as content insets that can be smaller.
+     * <p>
+     * In car mode it will return the same height as {@link #getNavigationBarHeight}
+     *
+     * @param rotation specifies rotation to return dimension from
+     * @param uiMode to determine if in car mode
+     * @return navigation bar frame height
+     */
+    private int getNavigationBarFrameHeight(int rotation, int uiMode) {
+        if (ALTERNATE_CAR_MODE_NAV_SIZE && (uiMode & UI_MODE_TYPE_MASK) == UI_MODE_TYPE_CAR) {
+            return mNavigationBarHeightForRotationInCarMode[rotation];
+        } else {
+            return mNavigationBarFrameHeightForRotationDefault[rotation];
+        }
+    }
+
+    /**
      * Return the display height available after excluding any screen
      * decorations that could never be removed in Honeycomb. That is, system bar or
      * button bar.
diff --git a/services/core/java/com/android/server/wm/NavigationBarExperiments.java b/services/core/java/com/android/server/wm/NavigationBarExperiments.java
deleted file mode 100644
index bb3ff5e..0000000
--- a/services/core/java/com/android/server/wm/NavigationBarExperiments.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.server.wm;
-
-import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
-import static android.view.WindowManagerPolicyConstants.NAV_BAR_BOTTOM;
-import static android.view.WindowManagerPolicyConstants.NAV_BAR_LEFT;
-import static android.view.WindowManagerPolicyConstants.NAV_BAR_RIGHT;
-
-import android.content.Context;
-import android.graphics.Rect;
-
-/**
- * This class acts as a proxy for Navigation Bar experiments enabled with custom overlays
- * {@see OverlayManagerService}. By default with no overlays, this class will essentially do nothing
- * and pass the original resource data back. By default the navigation bar height/width is the same
- * as the frame height/width and therefore any offsets calculated will cancel out and do nothing.
- * TODO(b/113952590): Remove class once experiment in bug is completed
- */
-public class NavigationBarExperiments {
-
-    private int mNavigationBarHeight;
-    private int mNavigationBarWidth;
-
-    /**
-     * This represents the height of the navigation bar buttons. With no experiments or overlays
-     * enabled, the frame height is the same as the normal navigation bar height.
-     */
-    private int mNavigationBarFrameHeight;
-
-    /**
-     * This represents the width of the navigation bar buttons. With no experiments or overlays
-     * enabled, the frame width is the same as the normal navigation bar width.
-     */
-    private int mNavigationBarFrameWidth;
-
-    /**
-     * Call when configuration change to refresh resource dimensions
-     * @param systemUiContext to get the resource values
-     */
-    public void onConfigurationChanged(Context systemUiContext) {
-        // Cache all the values again
-        mNavigationBarHeight = systemUiContext.getResources().getDimensionPixelSize(
-                com.android.internal.R.dimen.navigation_bar_height);
-        mNavigationBarWidth = systemUiContext.getResources().getDimensionPixelSize(
-                com.android.internal.R.dimen.navigation_bar_width);
-        mNavigationBarFrameHeight = systemUiContext.getResources().getDimensionPixelSize(
-                com.android.internal.R.dimen.navigation_bar_frame_height);
-        mNavigationBarFrameWidth = systemUiContext.getResources().getDimensionPixelSize(
-                com.android.internal.R.dimen.navigation_bar_frame_width);
-    }
-
-    public int getNavigationBarHeight() {
-        return mNavigationBarHeight;
-    }
-
-    public int getNavigationBarWidth() {
-        return mNavigationBarWidth;
-    }
-
-    public int getNavigationBarFrameHeight() {
-        return mNavigationBarFrameHeight;
-    }
-
-    public int getNavigationBarFrameWidth() {
-        return mNavigationBarFrameWidth;
-    }
-
-    /**
-     * If navigation frame width/height is different than navigation bar width/height then only
-     * offset the ime's and home activity's window rects depending on the navigation bar position to
-     * add a gap where the navigation bar would have been drawn. With no experiments or overlays
-     * enabled, the height/width is the same as the frame height/width and the offsets calculated
-     * will be 0 and this function will do nothing.
-     * @param navPosition position of navigation bar (left, right or bottom)
-     * @param w the window that is being offset by experiment
-     */
-    public void offsetWindowFramesForNavBar(int navPosition, WindowState w) {
-        if (w.getAttrs().type != TYPE_INPUT_METHOD) {
-            return;
-        }
-
-        final WindowFrames windowFrames = w.getWindowFrames();
-        final Rect cf = windowFrames.mContentFrame;
-        switch (navPosition) {
-            case NAV_BAR_BOTTOM:
-                int navHeight = getNavigationBarFrameHeight() - getNavigationBarHeight();
-                if (navHeight > 0) {
-                    cf.bottom -= navHeight;
-                    windowFrames.mStableFrame.bottom -= navHeight;
-                }
-                break;
-            case NAV_BAR_LEFT:
-            case NAV_BAR_RIGHT:
-                int navWidth = getNavigationBarFrameWidth() - getNavigationBarWidth();
-                if (navWidth > 0) {
-                    if (navPosition == NAV_BAR_LEFT) {
-                        cf.left += navWidth;
-                    } else {
-                        cf.right -= navWidth;
-                    }
-                }
-                break;
-        }
-    }
-}
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java b/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
index 2d101dd..34bb0a8 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
@@ -71,7 +71,6 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.AppOpsManager;
 import android.app.AutomaticZenRule;
@@ -5047,4 +5046,112 @@
         mBinderService.areBubblesAllowedForPackage(mContext.getPackageName(),
                 mUid + UserHandle.PER_USER_RANGE);
     }
+
+    @Test
+    public void testNotificationBubbleChanged_false() throws Exception {
+        // Bubbles are allowed!
+        mService.setPreferencesHelper(mPreferencesHelper);
+        when(mPreferencesHelper.areBubblesAllowed(anyString(), anyInt())).thenReturn(true);
+        when(mPreferencesHelper.getNotificationChannel(
+                anyString(), anyInt(), anyString(), anyBoolean())).thenReturn(
+                mTestNotificationChannel);
+        when(mPreferencesHelper.getImportance(anyString(), anyInt())).thenReturn(
+                mTestNotificationChannel.getImportance());
+
+        // Notif with bubble metadata but not our other misc requirements
+        NotificationRecord nr = generateNotificationRecord(mTestNotificationChannel,
+                null /* tvExtender */, true /* isBubble */);
+
+        // Say we're foreground
+        when(mActivityManager.getPackageImportance(nr.sbn.getPackageName())).thenReturn(
+                IMPORTANCE_FOREGROUND);
+
+        mBinderService.enqueueNotificationWithTag(PKG, PKG, "tag",
+                nr.sbn.getId(), nr.sbn.getNotification(), nr.sbn.getUserId());
+        waitForIdle();
+
+        // First we were a bubble
+        StatusBarNotification[] notifsBefore = mBinderService.getActiveNotifications(PKG);
+        assertEquals(1, notifsBefore.length);
+        assertTrue((notifsBefore[0].getNotification().flags & FLAG_BUBBLE) != 0);
+
+        // Notify we're not a bubble
+        mService.mNotificationDelegate.onNotificationBubbleChanged(nr.getKey(), false);
+        waitForIdle();
+
+        // Now we are not a bubble
+        StatusBarNotification[] notifsAfter = mBinderService.getActiveNotifications(PKG);
+        assertEquals(1, notifsAfter.length);
+        assertEquals((notifsAfter[0].getNotification().flags & FLAG_BUBBLE), 0);
+    }
+
+    @Test
+    public void testNotificationBubbleChanged_true() throws Exception {
+        // Bubbles are allowed!
+        mService.setPreferencesHelper(mPreferencesHelper);
+        when(mPreferencesHelper.areBubblesAllowed(anyString(), anyInt())).thenReturn(true);
+        when(mPreferencesHelper.getNotificationChannel(
+                anyString(), anyInt(), anyString(), anyBoolean())).thenReturn(
+                mTestNotificationChannel);
+        when(mPreferencesHelper.getImportance(anyString(), anyInt())).thenReturn(
+                mTestNotificationChannel.getImportance());
+
+        // Plain notification that has bubble metadata
+        NotificationRecord nr = generateNotificationRecord(mTestNotificationChannel,
+                null /* tvExtender */, true /* isBubble */);
+        mBinderService.enqueueNotificationWithTag(PKG, PKG, "tag",
+                nr.sbn.getId(), nr.sbn.getNotification(), nr.sbn.getUserId());
+        waitForIdle();
+
+        // Would be a normal notification because wouldn't have met requirements to bubble
+        StatusBarNotification[] notifsBefore = mBinderService.getActiveNotifications(PKG);
+        assertEquals(1, notifsBefore.length);
+        assertEquals((notifsBefore[0].getNotification().flags & FLAG_BUBBLE), 0);
+
+        // Make the package foreground so that we're allowed to be a bubble
+        when(mActivityManager.getPackageImportance(nr.sbn.getPackageName())).thenReturn(
+                IMPORTANCE_FOREGROUND);
+
+        // Notify we are now a bubble
+        mService.mNotificationDelegate.onNotificationBubbleChanged(nr.getKey(), true);
+        waitForIdle();
+
+        // Make sure we are a bubble
+        StatusBarNotification[] notifsAfter = mBinderService.getActiveNotifications(PKG);
+        assertEquals(1, notifsAfter.length);
+        assertTrue((notifsAfter[0].getNotification().flags & FLAG_BUBBLE) != 0);
+    }
+
+    @Test
+    public void testNotificationBubbleChanged_true_notAllowed() throws Exception {
+        // Bubbles are allowed!
+        mService.setPreferencesHelper(mPreferencesHelper);
+        when(mPreferencesHelper.areBubblesAllowed(anyString(), anyInt())).thenReturn(true);
+        when(mPreferencesHelper.getNotificationChannel(
+                anyString(), anyInt(), anyString(), anyBoolean())).thenReturn(
+                mTestNotificationChannel);
+        when(mPreferencesHelper.getImportance(anyString(), anyInt())).thenReturn(
+                mTestNotificationChannel.getImportance());
+
+        // Notif that is not a bubble
+        NotificationRecord nr = generateNotificationRecord(mTestNotificationChannel,
+                null /* tvExtender */, true /* isBubble */);
+        mBinderService.enqueueNotificationWithTag(PKG, PKG, "tag",
+                nr.sbn.getId(), nr.sbn.getNotification(), nr.sbn.getUserId());
+        waitForIdle();
+
+        // Would be a normal notification because wouldn't have met requirements to bubble
+        StatusBarNotification[] notifsBefore = mBinderService.getActiveNotifications(PKG);
+        assertEquals(1, notifsBefore.length);
+        assertEquals((notifsBefore[0].getNotification().flags & FLAG_BUBBLE), 0);
+
+        // Notify we are now a bubble
+        mService.mNotificationDelegate.onNotificationBubbleChanged(nr.getKey(), true);
+        waitForIdle();
+
+        // We still wouldn't be a bubble because the notification didn't meet requirements
+        StatusBarNotification[] notifsAfter = mBinderService.getActiveNotifications(PKG);
+        assertEquals(1, notifsAfter.length);
+        assertEquals((notifsAfter[0].getNotification().flags & FLAG_BUBBLE), 0);
+    }
 }
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index d4f9874..32105ad 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -2064,7 +2064,6 @@
         } else {
             logd("putPhoneIdAndSubIdExtra: no valid subs");
             intent.putExtra(PhoneConstants.PHONE_KEY, phoneId);
-            intent.putExtra(PhoneConstants.SLOT_KEY, phoneId);
         }
     }
 
@@ -2075,9 +2074,6 @@
         intent.putExtra(PhoneConstants.SUBSCRIPTION_KEY, subId);
         intent.putExtra(EXTRA_SUBSCRIPTION_INDEX, subId);
         intent.putExtra(PhoneConstants.PHONE_KEY, phoneId);
-        //FIXME this is using phoneId and slotIndex interchangeably
-        //Eventually, this should be removed as it is not the slot id
-        intent.putExtra(PhoneConstants.SLOT_KEY, phoneId);
     }
 
     /**