Move unsolicited vold events to Binder.

Create IVoldListener and move most unsolicited vold events over to
this new interface.  The remaining events will be routed through
method-specific listeners instead of a global one.

Move to upstream DISALLOW_COPY_AND_ASSIGN macro.

Test: cts-tradefed run commandAndExit cts-dev -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.DirectBootHostTest
Test: cts-tradefed run commandAndExit cts-dev -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.AdoptableHostTest
Test: cts-tradefed run commandAndExit cts-dev -m CtsOsTestCases -t android.os.storage.cts.StorageManagerTest
Bug: 13758960
Change-Id: Ib9293487db2d525a76b9b9c2e9ac18d98601c6cf
diff --git a/model/PrivateVolume.cpp b/model/PrivateVolume.cpp
index e66e04d..9a96082 100644
--- a/model/PrivateVolume.cpp
+++ b/model/PrivateVolume.cpp
@@ -55,9 +55,14 @@
 
 status_t PrivateVolume::readMetadata() {
     status_t res = ReadMetadata(mDmDevPath, mFsType, mFsUuid, mFsLabel);
+#if ENABLE_BINDER
+    auto listener = getListener();
+    if (listener) listener->onVolumeMetadataChanged(getId(), mFsType, mFsUuid, mFsLabel);
+#else
     notifyEvent(ResponseCode::VolumeFsTypeChanged, mFsType);
     notifyEvent(ResponseCode::VolumeFsUuidChanged, mFsUuid);
     notifyEvent(ResponseCode::VolumeFsLabelChanged, mFsLabel);
+#endif
     return res;
 }