Merge "Delete SyspropMutator (again)"
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index e4760b5..872e6a0 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -161,6 +161,7 @@
 		"frameworks/av/media/codecs":                         Bp2BuildDefaultTrueRecursively,
 		"frameworks/av/media/liberror":                       Bp2BuildDefaultTrueRecursively,
 		"frameworks/av/services/minijail":                    Bp2BuildDefaultTrueRecursively,
+		"frameworks/av/media/module/minijail":                Bp2BuildDefaultTrueRecursively,
 		"frameworks/base/media/tests/MediaDump":              Bp2BuildDefaultTrue,
 		"frameworks/base/services/tests/servicestests/aidl":  Bp2BuildDefaultTrue,
 		"frameworks/base/startop/apps/test":                  Bp2BuildDefaultTrue,
@@ -698,7 +699,6 @@
 		"libBionicCtsGtestMain", // depends on unconverted modules: libgtest_isolated
 		"libBionicLoaderTests",  // depends on unconverted modules: libmeminfo
 		"libapexutil_tests",     // depends on unconverted modules: apex-info-list-tinyxml, libapexutil
-		"libavservices_minijail_unittest",
 		"libcutils_sockets_test",
 		"libexpectedutils_test",
 		"libhwbinder_latency",
diff --git a/android/androidmk.go b/android/androidmk.go
index 006e43d..18e3e7a 100644
--- a/android/androidmk.go
+++ b/android/androidmk.go
@@ -366,7 +366,9 @@
 	// Collate the contributions this module makes to the dist.
 	distContributions := &distContributions{}
 
-	distContributions.licenseMetadataFile = amod.licenseMetadataFile
+	if !exemptFromRequiredApplicableLicensesProperty(mod.(Module)) {
+		distContributions.licenseMetadataFile = amod.licenseMetadataFile
+	}
 
 	// Iterate over this module's dist structs, merged from the dist and dists properties.
 	for _, dist := range amod.Dists() {
@@ -458,10 +460,12 @@
 		ret = append(ret, fmt.Sprintf(".PHONY: %s\n", d.goals))
 		// Create dist-for-goals calls for each of the copy instructions.
 		for _, c := range d.copies {
-			ret = append(
-				ret,
-				fmt.Sprintf("$(if $(strip $(ALL_TARGETS.%s.META_LIC)),,$(eval ALL_TARGETS.%s.META_LIC := %s))\n",
-					c.from.String(), c.from.String(), distContributions.licenseMetadataFile.String()))
+			if distContributions.licenseMetadataFile != nil {
+				ret = append(
+					ret,
+					fmt.Sprintf("$(if $(strip $(ALL_TARGETS.%s.META_LIC)),,$(eval ALL_TARGETS.%s.META_LIC := %s))\n",
+						c.from.String(), c.from.String(), distContributions.licenseMetadataFile.String()))
+			}
 			ret = append(
 				ret,
 				fmt.Sprintf("$(call dist-for-goals,%s,%s:%s)\n", d.goals, c.from.String(), c.dest))
diff --git a/android/apex.go b/android/apex.go
index 00b7241..3c945ae 100644
--- a/android/apex.go
+++ b/android/apex.go
@@ -454,8 +454,6 @@
 	}
 	return InList(what, apex_available) ||
 		(what != AvailableToPlatform && InList(AvailableToAnyApex, apex_available)) ||
-		(what == "com.android.btservices" && InList("com.android.bluetooth", apex_available)) || // TODO b/243054261
-		(what == "com.android.bluetooth" && InList("com.android.btservices", apex_available)) || // TODO b/243054261
 		(strings.HasPrefix(what, "com.android.gki.") && InList(AvailableToGkiApex, apex_available))
 }
 
diff --git a/android/bazel.go b/android/bazel.go
index eb6aca4..dd1de7b 100644
--- a/android/bazel.go
+++ b/android/bazel.go
@@ -32,10 +32,13 @@
 	Bp2BuildTopLevel = "."
 )
 
-// Bp2buildAidlLibrary describes a filegroup module that are converted to aidl_library
-type Bp2buildAidlLibrary interface {
+// FileGroupAsLibrary describes a filegroup module that is converted to some library
+// such as aidl_library or proto_library.
+type FileGroupAsLibrary interface {
 	ShouldConvertToAidlLibrary(ctx BazelConversionPathContext) bool
+	ShouldConvertToProtoLibrary(ctx BazelConversionPathContext) bool
 	GetAidlLibraryLabel(ctx BazelConversionPathContext) string
+	GetProtoLibraryLabel(ctx BazelConversionPathContext) string
 }
 
 type BazelConversionStatus struct {
@@ -443,8 +446,8 @@
 	if ok, directoryPath := bp2buildDefaultTrueRecursively(packagePath, allowlist.defaultConfig); ok {
 		if moduleNameAllowed {
 			ctx.ModuleErrorf("A module cannot be in a directory marked Bp2BuildDefaultTrue"+
-				" or Bp2BuildDefaultTrueRecursively and also be in moduleAlwaysConvert. Directory: '%s'",
-				directoryPath)
+				" or Bp2BuildDefaultTrueRecursively and also be in moduleAlwaysConvert. Directory: '%s'"+
+				" Module: '%s'", directoryPath, moduleName)
 			return false
 		}
 
diff --git a/android/bazel_test.go b/android/bazel_test.go
index b578cca..dbe6067 100644
--- a/android/bazel_test.go
+++ b/android/bazel_test.go
@@ -266,7 +266,7 @@
 		{
 			description:    "module allowlist and enabled directory",
 			shouldConvert:  false,
-			expectedErrors: []string{"A module cannot be in a directory marked Bp2BuildDefaultTrue or Bp2BuildDefaultTrueRecursively and also be in moduleAlwaysConvert. Directory: 'existing/build/dir'"},
+			expectedErrors: []string{"A module cannot be in a directory marked Bp2BuildDefaultTrue or Bp2BuildDefaultTrueRecursively and also be in moduleAlwaysConvert. Directory: 'existing/build/dir' Module: 'foo'"},
 			module: TestBazelModule{
 				TestModuleInfo: bazel.TestModuleInfo{
 					ModuleName: "foo",
@@ -287,7 +287,7 @@
 		{
 			description:    "module allowlist and enabled subdirectory",
 			shouldConvert:  false,
-			expectedErrors: []string{"A module cannot be in a directory marked Bp2BuildDefaultTrue or Bp2BuildDefaultTrueRecursively and also be in moduleAlwaysConvert. Directory: 'existing/build/dir'"},
+			expectedErrors: []string{"A module cannot be in a directory marked Bp2BuildDefaultTrue or Bp2BuildDefaultTrueRecursively and also be in moduleAlwaysConvert. Directory: 'existing/build/dir' Module: 'foo'"},
 			module: TestBazelModule{
 				TestModuleInfo: bazel.TestModuleInfo{
 					ModuleName: "foo",
diff --git a/android/filegroup.go b/android/filegroup.go
index e609f63..6b11172 100644
--- a/android/filegroup.go
+++ b/android/filegroup.go
@@ -33,6 +33,8 @@
 	ctx.RegisterModuleType("filegroup", FileGroupFactory)
 })
 
+var convertedProtoLibrarySuffix = "_bp2build_converted"
+
 // IsFilegroup checks that a module is a filegroup type
 func IsFilegroup(ctx bazel.OtherModuleContext, m blueprint.Module) bool {
 	return ctx.OtherModuleType(m) == "filegroup"
@@ -117,6 +119,24 @@
 
 		ctx.CreateBazelTargetModule(props, CommonAttributes{Name: fg.Name()}, attrs)
 	} else {
+		if fg.ShouldConvertToProtoLibrary(ctx) {
+			// TODO(b/246997908): we can remove this tag if we could figure out a
+			// solution for this bug.
+			tags := []string{"manual"}
+			attrs := &ProtoAttrs{
+				Srcs:                srcs,
+				Strip_import_prefix: fg.properties.Path,
+				Tags:                tags,
+			}
+
+			ctx.CreateBazelTargetModule(
+				bazel.BazelTargetModuleProperties{Rule_class: "proto_library"},
+				CommonAttributes{Name: fg.Name() + convertedProtoLibrarySuffix},
+				attrs)
+		}
+
+		// TODO(b/242847534): Still convert to a filegroup because other unconverted
+		// modules may depend on the filegroup
 		attrs := &bazelFilegroupAttributes{
 			Srcs: srcs,
 		}
@@ -150,14 +170,14 @@
 type fileGroup struct {
 	ModuleBase
 	BazelModuleBase
-	Bp2buildAidlLibrary
+	FileGroupAsLibrary
 	properties fileGroupProperties
 	srcs       Paths
 }
 
 var _ MixedBuildBuildable = (*fileGroup)(nil)
 var _ SourceFileProducer = (*fileGroup)(nil)
-var _ Bp2buildAidlLibrary = (*fileGroup)(nil)
+var _ FileGroupAsLibrary = (*fileGroup)(nil)
 
 // filegroup contains a list of files that are referenced by other modules
 // properties (such as "srcs") using the syntax ":<name>". filegroup are
@@ -243,11 +263,19 @@
 }
 
 func (fg *fileGroup) ShouldConvertToAidlLibrary(ctx BazelConversionPathContext) bool {
+	return fg.shouldConvertToLibrary(ctx, ".aidl")
+}
+
+func (fg *fileGroup) ShouldConvertToProtoLibrary(ctx BazelConversionPathContext) bool {
+	return fg.shouldConvertToLibrary(ctx, ".proto")
+}
+
+func (fg *fileGroup) shouldConvertToLibrary(ctx BazelConversionPathContext, suffix string) bool {
 	if len(fg.properties.Srcs) == 0 || !fg.ShouldConvertWithBp2build(ctx) {
 		return false
 	}
 	for _, src := range fg.properties.Srcs {
-		if !strings.HasSuffix(src, ".aidl") {
+		if !strings.HasSuffix(src, suffix) {
 			return false
 		}
 	}
@@ -255,6 +283,14 @@
 }
 
 func (fg *fileGroup) GetAidlLibraryLabel(ctx BazelConversionPathContext) string {
+	return fg.getFileGroupAsLibraryLabel(ctx)
+}
+
+func (fg *fileGroup) GetProtoLibraryLabel(ctx BazelConversionPathContext) string {
+	return fg.getFileGroupAsLibraryLabel(ctx) + convertedProtoLibrarySuffix
+}
+
+func (fg *fileGroup) getFileGroupAsLibraryLabel(ctx BazelConversionPathContext) string {
 	if ctx.OtherModuleDir(fg.module) == ctx.ModuleDir() {
 		return ":" + fg.Name()
 	} else {
@@ -265,12 +301,19 @@
 // Given a name in srcs prop, check to see if the name references a filegroup
 // and the filegroup is converted to aidl_library
 func IsConvertedToAidlLibrary(ctx BazelConversionPathContext, name string) bool {
+	if fg, ok := ToFileGroupAsLibrary(ctx, name); ok {
+		return fg.ShouldConvertToAidlLibrary(ctx)
+	}
+	return false
+}
+
+func ToFileGroupAsLibrary(ctx BazelConversionPathContext, name string) (FileGroupAsLibrary, bool) {
 	if module, ok := ctx.ModuleFromName(name); ok {
 		if IsFilegroup(ctx, module) {
-			if fg, ok := module.(Bp2buildAidlLibrary); ok {
-				return fg.ShouldConvertToAidlLibrary(ctx)
+			if fg, ok := module.(FileGroupAsLibrary); ok {
+				return fg, true
 			}
 		}
 	}
-	return false
+	return nil, false
 }
diff --git a/android/gen_notice.go b/android/gen_notice.go
index 2eb6bec..008aac5 100644
--- a/android/gen_notice.go
+++ b/android/gen_notice.go
@@ -111,6 +111,9 @@
 }
 
 func (m *genNoticeModule) DepsMutator(ctx BottomUpMutatorContext) {
+	if ctx.ContainsProperty("licenses") {
+		ctx.PropertyErrorf("licenses", "not supported on \"gen_notice\" modules")
+	}
 	if proptools.Bool(m.properties.Html) && proptools.Bool(m.properties.Xml) {
 		ctx.ModuleErrorf("can be html or xml but not both")
 	}
@@ -195,6 +198,16 @@
 	return nil, fmt.Errorf("unrecognized tag %q", tag)
 }
 
+var _ AndroidMkEntriesProvider = (*genNoticeModule)(nil)
+
+// Implements AndroidMkEntriesProvider
+func (m *genNoticeModule) AndroidMkEntries() []AndroidMkEntries {
+	return []AndroidMkEntries{AndroidMkEntries{
+		Class:      "ETC",
+		OutputFile: OptionalPathForPath(m.output),
+	}}
+}
+
 // missingReferencesRule emits an ErrorRule for missing module references.
 func missingReferencesRule(ctx BuilderContext, m *genNoticeModule) {
 	if len(m.missing) < 1 {
diff --git a/android/gen_notice_test.go b/android/gen_notice_test.go
index b45ce4f..99d982b 100644
--- a/android/gen_notice_test.go
+++ b/android/gen_notice_test.go
@@ -12,6 +12,19 @@
 	expectedErrors []string
 }{
 	{
+		name: "gen_notice must not accept licenses property",
+		fs: map[string][]byte{
+			"top/Android.bp": []byte(`
+				gen_notice {
+					name: "top_license",
+					licenses: ["other_license"],
+				}`),
+		},
+		expectedErrors: []string{
+			`not supported on "gen_notice" modules`,
+		},
+	},
+	{
 		name: "bad gen_notice",
 		fs: map[string][]byte{
 			"top/Android.bp": []byte(`
diff --git a/android/proto.go b/android/proto.go
index 25cecf4..3cac9a1 100644
--- a/android/proto.go
+++ b/android/proto.go
@@ -155,14 +155,16 @@
 
 // Bp2buildProtoInfo contains information necessary to pass on to language specific conversion.
 type Bp2buildProtoInfo struct {
-	Type *string
-	Name string
+	Type       *string
+	Name       string
+	Proto_libs bazel.LabelList
 }
 
-type protoAttrs struct {
+type ProtoAttrs struct {
 	Srcs                bazel.LabelListAttribute
 	Strip_import_prefix *string
 	Deps                bazel.LabelListAttribute
+	Tags                []string
 }
 
 // For each package in the include_dirs property a proto_library target should
@@ -179,44 +181,71 @@
 		return info, false
 	}
 
-	info.Name = m.Name() + "_proto"
-	attrs := protoAttrs{
-		Srcs: srcs,
-	}
+	var protoLibraries bazel.LabelList
+	var directProtoSrcs bazel.LabelList
 
-	for axis, configToProps := range m.GetArchVariantProperties(ctx, &ProtoProperties{}) {
-		for _, rawProps := range configToProps {
-			var props *ProtoProperties
-			var ok bool
-			if props, ok = rawProps.(*ProtoProperties); !ok {
-				ctx.ModuleErrorf("Could not cast ProtoProperties to expected type")
-			}
-			if axis == bazel.NoConfigAxis {
-				info.Type = props.Proto.Type
-
-				if !proptools.BoolDefault(props.Proto.Canonical_path_from_root, canonicalPathFromRootDefault) {
-					// an empty string indicates to strips the package path
-					path := ""
-					attrs.Strip_import_prefix = &path
-				}
-
-				for _, dir := range props.Proto.Include_dirs {
-					if dep, ok := includeDirsToProtoDeps[dir]; ok {
-						attrs.Deps.Add(bazel.MakeLabelAttribute(dep))
-					} else {
-						ctx.PropertyErrorf("Could not find the proto_library target for include dir", dir)
-					}
-				}
-			} else if props.Proto.Type != info.Type && props.Proto.Type != nil {
-				ctx.ModuleErrorf("Cannot handle arch-variant types for protos at this time.")
-			}
+	// For filegroups that should be converted to proto_library just collect the
+	// labels of converted proto_library targets.
+	for _, protoSrc := range srcs.Value.Includes {
+		src := protoSrc.OriginalModuleName
+		if fg, ok := ToFileGroupAsLibrary(ctx, src); ok &&
+			fg.ShouldConvertToProtoLibrary(ctx) {
+			protoLibraries.Add(&bazel.Label{
+				Label: fg.GetProtoLibraryLabel(ctx),
+			})
+		} else {
+			directProtoSrcs.Add(&protoSrc)
 		}
 	}
 
-	ctx.CreateBazelTargetModule(
-		bazel.BazelTargetModuleProperties{Rule_class: "proto_library"},
-		CommonAttributes{Name: info.Name},
-		&attrs)
+	info.Name = m.Name() + "_proto"
+
+	if len(directProtoSrcs.Includes) > 0 {
+		attrs := ProtoAttrs{
+			Srcs: bazel.MakeLabelListAttribute(directProtoSrcs),
+		}
+		attrs.Deps.Append(bazel.MakeLabelListAttribute(protoLibraries))
+
+		for axis, configToProps := range m.GetArchVariantProperties(ctx, &ProtoProperties{}) {
+			for _, rawProps := range configToProps {
+				var props *ProtoProperties
+				var ok bool
+				if props, ok = rawProps.(*ProtoProperties); !ok {
+					ctx.ModuleErrorf("Could not cast ProtoProperties to expected type")
+				}
+				if axis == bazel.NoConfigAxis {
+					info.Type = props.Proto.Type
+
+					if !proptools.BoolDefault(props.Proto.Canonical_path_from_root, canonicalPathFromRootDefault) {
+						// an empty string indicates to strips the package path
+						path := ""
+						attrs.Strip_import_prefix = &path
+					}
+
+					for _, dir := range props.Proto.Include_dirs {
+						if dep, ok := includeDirsToProtoDeps[dir]; ok {
+							attrs.Deps.Add(bazel.MakeLabelAttribute(dep))
+						} else {
+							ctx.PropertyErrorf("Could not find the proto_library target for include dir", dir)
+						}
+					}
+				} else if props.Proto.Type != info.Type && props.Proto.Type != nil {
+					ctx.ModuleErrorf("Cannot handle arch-variant types for protos at this time.")
+				}
+			}
+		}
+
+		ctx.CreateBazelTargetModule(
+			bazel.BazelTargetModuleProperties{Rule_class: "proto_library"},
+			CommonAttributes{Name: info.Name},
+			&attrs)
+
+		protoLibraries.Add(&bazel.Label{
+			Label: ":" + info.Name,
+		})
+	}
+
+	info.Proto_libs = protoLibraries
 
 	return info, true
 }
diff --git a/apex/apex.go b/apex/apex.go
index 949809a..2e54e7e 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -3054,36 +3054,6 @@
 	//
 	// Module separator
 	//
-	m["com.android.bluetooth"] = []string{
-		"bluetooth-protos-lite",
-		"internal_include_headers",
-		"libaudio-a2dp-hw-utils",
-		"libaudio-hearing-aid-hw-utils",
-		"libbluetooth",
-		"libbluetooth-types",
-		"libbluetooth-types-header",
-		"libbluetooth_gd",
-		"libbluetooth_headers",
-		"libbluetooth_jni",
-		"libbt-audio-hal-interface",
-		"libbt-bta",
-		"libbt-common",
-		"libbt-hci",
-		"libbt-platform-protos-lite",
-		"libbt-protos-lite",
-		"libbt-sbc-decoder",
-		"libbt-sbc-encoder",
-		"libbt-stack",
-		"libbt-utils",
-		"libbtcore",
-		"libbtdevice",
-		"libbte",
-		"libbtif",
-		"libchrome",
-	}
-	//
-	// Module separator
-	//
 	m["com.android.cellbroadcast"] = []string{"CellBroadcastApp", "CellBroadcastServiceModule"}
 	//
 	// Module separator
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index 880ae75..12cffc3 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -2261,6 +2261,134 @@
 	})
 }
 
+func TestCcLibraryConvertedProtoFilegroups(t *testing.T) {
+	runCcLibraryTestCase(t, Bp2buildTestCase{
+		ModuleTypeUnderTest:        "cc_library",
+		ModuleTypeUnderTestFactory: cc.LibraryFactory,
+		Blueprint: soongCcProtoPreamble + `
+filegroup {
+	name: "a_fg_proto",
+	srcs: ["a_fg.proto"],
+}
+
+cc_library {
+	name: "a",
+	srcs: [
+    ":a_fg_proto",
+    "a.proto",
+  ],
+	proto: {
+		export_proto_headers: true,
+	},
+	include_build_directory: false,
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("proto_library", "a_proto", AttrNameToString{
+				"deps": `[":a_fg_proto_bp2build_converted"]`,
+				"srcs": `["a.proto"]`,
+			}), MakeBazelTarget("cc_lite_proto_library", "a_cc_proto_lite", AttrNameToString{
+				"deps": `[
+        ":a_fg_proto_bp2build_converted",
+        ":a_proto",
+    ]`,
+			}), MakeBazelTarget("cc_library_static", "a_bp2build_cc_library_static", AttrNameToString{
+				"deps":               `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":a_cc_proto_lite"]`,
+			}), MakeBazelTarget("cc_library_shared", "a", AttrNameToString{
+				"dynamic_deps":       `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":a_cc_proto_lite"]`,
+			}), MakeBazelTargetNoRestrictions("proto_library", "a_fg_proto_bp2build_converted", AttrNameToString{
+				"srcs": `["a_fg.proto"]`,
+				"tags": `["manual"]`,
+			}), MakeBazelTargetNoRestrictions("filegroup", "a_fg_proto", AttrNameToString{
+				"srcs": `["a_fg.proto"]`,
+			}),
+		},
+	})
+}
+
+func TestCcLibraryConvertedProtoFilegroupsNoProtoFiles(t *testing.T) {
+	runCcLibraryTestCase(t, Bp2buildTestCase{
+		ModuleTypeUnderTest:        "cc_library",
+		ModuleTypeUnderTestFactory: cc.LibraryFactory,
+		Blueprint: soongCcProtoPreamble + `
+filegroup {
+	name: "a_fg_proto",
+	srcs: ["a_fg.proto"],
+}
+
+cc_library {
+	name: "a",
+	srcs: [
+    ":a_fg_proto",
+  ],
+	proto: {
+		export_proto_headers: true,
+	},
+	include_build_directory: false,
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("cc_lite_proto_library", "a_cc_proto_lite", AttrNameToString{
+				"deps": `[":a_fg_proto_bp2build_converted"]`,
+			}), MakeBazelTarget("cc_library_static", "a_bp2build_cc_library_static", AttrNameToString{
+				"deps":               `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":a_cc_proto_lite"]`,
+			}), MakeBazelTarget("cc_library_shared", "a", AttrNameToString{
+				"dynamic_deps":       `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":a_cc_proto_lite"]`,
+			}), MakeBazelTargetNoRestrictions("proto_library", "a_fg_proto_bp2build_converted", AttrNameToString{
+				"srcs": `["a_fg.proto"]`,
+				"tags": `["manual"]`,
+			}), MakeBazelTargetNoRestrictions("filegroup", "a_fg_proto", AttrNameToString{
+				"srcs": `["a_fg.proto"]`,
+			}),
+		},
+	})
+}
+
+func TestCcLibraryExternalConvertedProtoFilegroups(t *testing.T) {
+	runCcLibraryTestCase(t, Bp2buildTestCase{
+		ModuleTypeUnderTest:        "cc_library",
+		ModuleTypeUnderTestFactory: cc.LibraryFactory,
+		Filesystem: map[string]string{
+			"path/to/A/Android.bp": `
+filegroup {
+	name: "a_fg_proto",
+	srcs: ["a_fg.proto"],
+}`,
+		},
+		Blueprint: soongCcProtoPreamble + `
+cc_library {
+	name: "a",
+	srcs: [
+    ":a_fg_proto",
+    "a.proto",
+  ],
+	proto: {
+		export_proto_headers: true,
+	},
+	include_build_directory: false,
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("proto_library", "a_proto", AttrNameToString{
+				"deps": `["//path/to/A:a_fg_proto_bp2build_converted"]`,
+				"srcs": `["a.proto"]`,
+			}), MakeBazelTarget("cc_lite_proto_library", "a_cc_proto_lite", AttrNameToString{
+				"deps": `[
+        "//path/to/A:a_fg_proto_bp2build_converted",
+        ":a_proto",
+    ]`,
+			}), MakeBazelTarget("cc_library_static", "a_bp2build_cc_library_static", AttrNameToString{
+				"deps":               `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":a_cc_proto_lite"]`,
+			}), MakeBazelTarget("cc_library_shared", "a", AttrNameToString{
+				"dynamic_deps":       `[":libprotobuf-cpp-lite"]`,
+				"whole_archive_deps": `[":a_cc_proto_lite"]`,
+			}),
+		},
+	})
+}
+
 func TestCcLibraryProtoFilegroups(t *testing.T) {
 	runCcLibraryTestCase(t, Bp2buildTestCase{
 		ModuleTypeUnderTest:        "cc_library",
diff --git a/bp2build/filegroup_conversion_test.go b/bp2build/filegroup_conversion_test.go
index de09a17..e978fb3 100644
--- a/bp2build/filegroup_conversion_test.go
+++ b/bp2build/filegroup_conversion_test.go
@@ -15,10 +15,10 @@
 package bp2build
 
 import (
-	"android/soong/android"
 	"fmt"
-
 	"testing"
+
+	"android/soong/android"
 )
 
 func runFilegroupTestCase(t *testing.T, tc Bp2buildTestCase) {
@@ -121,3 +121,44 @@
     ]`}),
 		}})
 }
+
+func TestFilegroupWithProtoSrcs(t *testing.T) {
+	runFilegroupTestCase(t, Bp2buildTestCase{
+		Description: "filegroup with proto and non-proto srcs",
+		Filesystem:  map[string]string{},
+		Blueprint: `
+filegroup {
+		name: "foo",
+		srcs: ["proto/foo.proto"],
+		path: "proto",
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTargetNoRestrictions("proto_library", "foo_bp2build_converted", AttrNameToString{
+				"srcs":                `["proto/foo.proto"]`,
+				"strip_import_prefix": `"proto"`,
+				"tags":                `["manual"]`}),
+			MakeBazelTargetNoRestrictions("filegroup", "foo", AttrNameToString{
+				"srcs": `["proto/foo.proto"]`}),
+		}})
+}
+
+func TestFilegroupWithProtoAndNonProtoSrcs(t *testing.T) {
+	runFilegroupTestCase(t, Bp2buildTestCase{
+		Description: "filegroup with proto and non-proto srcs",
+		Filesystem:  map[string]string{},
+		Blueprint: `
+filegroup {
+    name: "foo",
+    srcs: [
+		"foo.proto",
+		"buf.cpp",
+	],
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTargetNoRestrictions("filegroup", "foo", AttrNameToString{
+				"srcs": `[
+        "foo.proto",
+        "buf.cpp",
+    ]`}),
+		}})
+}
diff --git a/cc/bp2build.go b/cc/bp2build.go
index e001d24..51d8e22 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -79,10 +79,10 @@
 			if !exists || !android.IsFilegroup(otherModuleCtx, m) {
 				return labelStr, false
 			}
-			// If the filegroup is already converted to aidl_library, skip creating
-			// _c_srcs, _as_srcs, _cpp_srcs filegroups
-			fg, _ := m.(android.Bp2buildAidlLibrary)
-			if fg.ShouldConvertToAidlLibrary(ctx) {
+			// If the filegroup is already converted to aidl_library or proto_library,
+			// skip creating _c_srcs, _as_srcs, _cpp_srcs filegroups
+			fg, _ := m.(android.FileGroupAsLibrary)
+			if fg.ShouldConvertToAidlLibrary(ctx) || fg.ShouldConvertToProtoLibrary(ctx) {
 				return labelStr, false
 			}
 			return labelStr + suffix, true
@@ -506,19 +506,6 @@
 	return bazel.AppendBazelLabelLists(allSrcsLabelList, generatedSrcsLabelList), anySrcs
 }
 
-// Given a name in srcs prop, check to see if the name references a filegroup
-// and the filegroup is converted to aidl_library
-func isConvertedToAidlLibrary(ctx android.BazelConversionPathContext, name string) bool {
-	if module, ok := ctx.ModuleFromName(name); ok {
-		if android.IsFilegroup(ctx, module) {
-			if fg, ok := module.(android.Bp2buildAidlLibrary); ok {
-				return fg.ShouldConvertToAidlLibrary(ctx)
-			}
-		}
-	}
-	return false
-}
-
 func bp2buildStdVal(std *string, prefix string, useGnu bool) *string {
 	defaultVal := prefix + "_std_default"
 	// If c{,pp}std properties are not specified, don't generate them in the BUILD file.
@@ -770,9 +757,8 @@
 	// Make a list of labels that correspond to filegroups that are already converted to aidl_library
 	for _, aidlSrc := range aidlSrcs.Value.Includes {
 		src := aidlSrc.OriginalModuleName
-		if isConvertedToAidlLibrary(ctx, src) {
-			module, _ := ctx.ModuleFromName(src)
-			fg, _ := module.(android.Bp2buildAidlLibrary)
+		if fg, ok := android.ToFileGroupAsLibrary(ctx, src); ok &&
+			fg.ShouldConvertToAidlLibrary(ctx) {
 			aidlLibraries.Add(&bazel.Label{
 				Label: fg.GetAidlLibraryLabel(ctx),
 			})
diff --git a/cc/config/global.go b/cc/config/global.go
index f920471..a7701b9 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -316,9 +316,6 @@
 		"device/",
 		"vendor/",
 	}
-
-	// Directories with warnings from Android.mk files.
-	WarningAllowedOldProjects = []string{}
 )
 
 // BazelCcToolchainVars generates bzl file content containing variables for
diff --git a/cc/makevars.go b/cc/makevars.go
index 8154436..de8a8f2 100644
--- a/cc/makevars.go
+++ b/cc/makevars.go
@@ -53,7 +53,6 @@
 
 func makeStringOfWarningAllowedProjects() string {
 	allProjects := append([]string{}, config.WarningAllowedProjects...)
-	allProjects = append(allProjects, config.WarningAllowedOldProjects...)
 	sort.Strings(allProjects)
 	// Makefile rules use pattern "path/%" to match module paths.
 	if len(allProjects) > 0 {
diff --git a/cc/proto.go b/cc/proto.go
index 8e6d5ed..cf5ed04 100644
--- a/cc/proto.go
+++ b/cc/proto.go
@@ -178,7 +178,7 @@
 	var ret bp2buildProtoDeps
 
 	protoInfo, ok := android.Bp2buildProtoProperties(ctx, &m.ModuleBase, protoSrcs)
-	if !ok {
+	if !ok || protoInfo.Proto_libs.IsEmpty() {
 		return ret
 	}
 
@@ -201,9 +201,8 @@
 	dep := android.BazelLabelForModuleDepSingle(ctx, depName)
 	ret.protoDep = &bazel.LabelAttribute{Value: &dep}
 
-	protoLabel := bazel.Label{Label: ":" + protoInfo.Name}
 	var protoAttrs protoAttributes
-	protoAttrs.Deps.SetValue(bazel.LabelList{Includes: []bazel.Label{protoLabel}})
+	protoAttrs.Deps.SetValue(protoInfo.Proto_libs)
 
 	name := m.Name() + suffix
 
diff --git a/cmd/extract_apks/main.go b/cmd/extract_apks/main.go
index 1cf64de..d200502 100644
--- a/cmd/extract_apks/main.go
+++ b/cmd/extract_apks/main.go
@@ -75,7 +75,7 @@
 		return nil, err
 	}
 	bytes := make([]byte, tocFile.FileHeader.UncompressedSize64)
-	if _, err := rc.Read(bytes); err != io.EOF {
+	if _, err := rc.Read(bytes); err != nil && err != io.EOF {
 		return nil, err
 	}
 	rc.Close()
diff --git a/dexpreopt/dexpreopt.go b/dexpreopt/dexpreopt.go
index d8011d6..fdfd22e 100644
--- a/dexpreopt/dexpreopt.go
+++ b/dexpreopt/dexpreopt.go
@@ -201,6 +201,11 @@
 	if apex := global.AllApexSystemServerJars(ctx).ApexOfJar(lib); apex != "" {
 		return fmt.Sprintf("/apex/%s/javalib/%s.jar", apex, lib)
 	}
+
+	if apex := global.AllPlatformSystemServerJars(ctx).ApexOfJar(lib); apex == "system_ext" {
+		return fmt.Sprintf("/system_ext/framework/%s.jar", lib)
+	}
+
 	return fmt.Sprintf("/system/framework/%s.jar", lib)
 }
 
diff --git a/dexpreopt/dexpreopt_test.go b/dexpreopt/dexpreopt_test.go
index 07e4fad..429b5ff 100644
--- a/dexpreopt/dexpreopt_test.go
+++ b/dexpreopt/dexpreopt_test.go
@@ -59,6 +59,15 @@
 		android.PathForOutput(ctx, fmt.Sprintf("%s/enforce_uses_libraries.status", name)))
 }
 
+func testSystemExtSystemServerModuleConfig(ctx android.PathContext, name string) *ModuleConfig {
+	return createTestModuleConfig(
+		name,
+		fmt.Sprintf("/system_ext/framework/%s.jar", name),
+		android.PathForOutput(ctx, fmt.Sprintf("%s/dexpreopt/%s.jar", name, name)),
+		android.PathForOutput(ctx, fmt.Sprintf("%s/aligned/%s.jar", name, name)),
+		android.PathForOutput(ctx, fmt.Sprintf("%s/enforce_uses_libraries.status", name)))
+}
+
 func createTestModuleConfig(name, dexLocation string, buildPath, dexPath, enforceUsesLibrariesStatusFile android.OutputPath) *ModuleConfig {
 	return &ModuleConfig{
 		Name:                            name,
@@ -213,6 +222,29 @@
 	android.AssertStringEquals(t, "installs", wantInstalls.String(), rule.Installs().String())
 }
 
+func TestDexPreoptSystemExtSystemServerJars(t *testing.T) {
+	config := android.TestConfig("out", nil, "", nil)
+	ctx := android.BuilderContextForTesting(config)
+	globalSoong := globalSoongConfigForTests()
+	global := GlobalConfigForTests(ctx)
+	module := testSystemExtSystemServerModuleConfig(ctx, "service-A")
+
+	global.StandaloneSystemServerJars = android.CreateTestConfiguredJarList(
+		[]string{"system_ext:service-A"})
+
+	rule, err := GenerateDexpreoptRule(ctx, globalSoong, global, module)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	wantInstalls := android.RuleBuilderInstalls{
+		{android.PathForOutput(ctx, "service-A/dexpreopt/oat/arm/javalib.odex"), "/system_ext/framework/oat/arm/service-A.odex"},
+		{android.PathForOutput(ctx, "service-A/dexpreopt/oat/arm/javalib.vdex"), "/system_ext/framework/oat/arm/service-A.vdex"},
+	}
+
+	android.AssertStringEquals(t, "installs", wantInstalls.String(), rule.Installs().String())
+}
+
 func TestDexPreoptApexStandaloneSystemServerJars(t *testing.T) {
 	config := android.TestConfig("out", nil, "", nil)
 	ctx := android.BuilderContextForTesting(config)
diff --git a/java/bootclasspath_fragment.go b/java/bootclasspath_fragment.go
index 9316807..42a11fb 100644
--- a/java/bootclasspath_fragment.go
+++ b/java/bootclasspath_fragment.go
@@ -840,22 +840,7 @@
 
 // isTestFragment returns true if the current module is a test bootclasspath_fragment.
 func (b *BootclasspathFragmentModule) isTestFragment() bool {
-	if b.testFragment {
-		return true
-	}
-
-	// TODO(b/194063708): Once test fragments all use bootclasspath_fragment_test
-	// Some temporary exceptions until all test fragments use the
-	// bootclasspath_fragment_test module type.
-	name := b.BaseModuleName()
-	if strings.HasPrefix(name, "test_") {
-		return true
-	}
-	if name == "apex.apexd_test_bootclasspath-fragment" {
-		return true
-	}
-
-	return false
+	return b.testFragment
 }
 
 // produceHiddenAPIOutput produces the hidden API all-flags.csv file (and supporting files)
diff --git a/java/bootclasspath_fragment_test.go b/java/bootclasspath_fragment_test.go
index c63df59..2541f14 100644
--- a/java/bootclasspath_fragment_test.go
+++ b/java/bootclasspath_fragment_test.go
@@ -408,22 +408,6 @@
 			},
 		}
 
-		bootclasspath_fragment {
-			name: "test_fragment",
-			contents: ["mysdklibrary"],
-			hidden_api: {
-				split_packages: [],
-			},
-		}
-
-		bootclasspath_fragment {
-			name: "apex.apexd_test_bootclasspath-fragment",
-			contents: ["mysdklibrary"],
-			hidden_api: {
-				split_packages: [],
-			},
-		}
-
 		bootclasspath_fragment_test {
 			name: "a_test_fragment",
 			contents: ["mysdklibrary"],
@@ -445,12 +429,6 @@
 	fragment := result.Module("myfragment", "android_common").(*BootclasspathFragmentModule)
 	android.AssertBoolEquals(t, "not a test fragment", false, fragment.isTestFragment())
 
-	fragment = result.Module("test_fragment", "android_common").(*BootclasspathFragmentModule)
-	android.AssertBoolEquals(t, "is a test fragment by prefix", true, fragment.isTestFragment())
-
 	fragment = result.Module("a_test_fragment", "android_common").(*BootclasspathFragmentModule)
 	android.AssertBoolEquals(t, "is a test fragment by type", true, fragment.isTestFragment())
-
-	fragment = result.Module("apex.apexd_test_bootclasspath-fragment", "android_common").(*BootclasspathFragmentModule)
-	android.AssertBoolEquals(t, "is a test fragment by name", true, fragment.isTestFragment())
 }