Merge "Android Lint: allow local override of --exitcode flag"
diff --git a/android/Android.bp b/android/Android.bp
index 29a88f2..641c438 100644
--- a/android/Android.bp
+++ b/android/Android.bp
@@ -111,6 +111,7 @@
         "depset_test.go",
         "deptag_test.go",
         "expand_test.go",
+        "filegroup_test.go",
         "fixture_test.go",
         "gen_notice_test.go",
         "license_kind_test.go",
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index 17db472..5203fa0 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -125,6 +125,7 @@
 		"external/eigen":                         Bp2BuildDefaultTrueRecursively,
 		"external/erofs-utils":                   Bp2BuildDefaultTrueRecursively,
 		"external/error_prone":                   Bp2BuildDefaultTrueRecursively,
+		"external/escapevelocity":                Bp2BuildDefaultTrueRecursively,
 		"external/expat":                         Bp2BuildDefaultTrueRecursively,
 		"external/f2fs-tools":                    Bp2BuildDefaultTrue,
 		"external/flac":                          Bp2BuildDefaultTrueRecursively,
@@ -216,47 +217,51 @@
 		"frameworks/native/services/batteryservice":          Bp2BuildDefaultTrue,
 		"frameworks/proto_logging/stats":                     Bp2BuildDefaultTrueRecursively,
 
-		"hardware/interfaces":                          Bp2BuildDefaultTrue,
-		"hardware/interfaces/audio/aidl":               Bp2BuildDefaultTrue,
-		"hardware/interfaces/audio/aidl/common":        Bp2BuildDefaultTrue,
-		"hardware/interfaces/common/aidl":              Bp2BuildDefaultTrue,
-		"hardware/interfaces/common/fmq/aidl":          Bp2BuildDefaultTrue,
-		"hardware/interfaces/configstore/1.0":          Bp2BuildDefaultTrue,
-		"hardware/interfaces/configstore/1.1":          Bp2BuildDefaultTrue,
-		"hardware/interfaces/configstore/utils":        Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/allocator/2.0":   Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/allocator/3.0":   Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/allocator/4.0":   Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/allocator/aidl":  Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/bufferqueue/1.0": Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/bufferqueue/2.0": Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/common/1.0":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/common/1.1":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/common/1.2":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/common/aidl":     Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/mapper/2.0":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/mapper/2.1":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/mapper/3.0":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/mapper/4.0":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/1.0":               Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/1.0/default":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/2.0":               Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/2.0/default":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/2.0/utils":         Bp2BuildDefaultTrueRecursively,
-		"hardware/interfaces/health/2.1":               Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/aidl":              Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/utils":             Bp2BuildDefaultTrueRecursively,
-		"hardware/interfaces/media/1.0":                Bp2BuildDefaultTrue,
-		"hardware/interfaces/media/bufferpool/2.0":     Bp2BuildDefaultTrue,
-		"hardware/interfaces/media/c2/1.0":             Bp2BuildDefaultTrue,
-		"hardware/interfaces/media/c2/1.1":             Bp2BuildDefaultTrue,
-		"hardware/interfaces/media/c2/1.2":             Bp2BuildDefaultTrue,
-		"hardware/interfaces/media/omx/1.0":            Bp2BuildDefaultTrue,
-		"hardware/interfaces/neuralnetworks/1.0":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/neuralnetworks/1.1":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/neuralnetworks/1.2":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/neuralnetworks/1.3":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/neuralnetworks/aidl":      Bp2BuildDefaultTrue,
+		"hardware/interfaces":                                     Bp2BuildDefaultTrue,
+		"hardware/interfaces/audio/aidl":                          Bp2BuildDefaultTrue,
+		"hardware/interfaces/audio/aidl/common":                   Bp2BuildDefaultTrue,
+		"hardware/interfaces/common/aidl":                         Bp2BuildDefaultTrue,
+		"hardware/interfaces/common/fmq/aidl":                     Bp2BuildDefaultTrue,
+		"hardware/interfaces/common/support":                      Bp2BuildDefaultTrue,
+		"hardware/interfaces/configstore/1.0":                     Bp2BuildDefaultTrue,
+		"hardware/interfaces/configstore/1.1":                     Bp2BuildDefaultTrue,
+		"hardware/interfaces/configstore/utils":                   Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/allocator/2.0":              Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/allocator/3.0":              Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/allocator/4.0":              Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/allocator/aidl":             Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/bufferqueue/1.0":            Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/bufferqueue/2.0":            Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/common/1.0":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/common/1.1":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/common/1.2":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/common/aidl":                Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/mapper/2.0":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/mapper/2.1":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/mapper/3.0":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/mapper/4.0":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/1.0":                          Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/1.0/default":                  Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/2.0":                          Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/2.0/default":                  Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/2.0/utils":                    Bp2BuildDefaultTrueRecursively,
+		"hardware/interfaces/health/2.1":                          Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/aidl":                         Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/utils":                        Bp2BuildDefaultTrueRecursively,
+		"hardware/interfaces/media/1.0":                           Bp2BuildDefaultTrue,
+		"hardware/interfaces/media/bufferpool":                    Bp2BuildDefaultTrueRecursively,
+		"hardware/interfaces/media/bufferpool/aidl/default/tests": Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/media/c2/1.0":                        Bp2BuildDefaultTrue,
+		"hardware/interfaces/media/c2/1.1":                        Bp2BuildDefaultTrue,
+		"hardware/interfaces/media/c2/1.2":                        Bp2BuildDefaultTrue,
+		"hardware/interfaces/media/omx/1.0":                       Bp2BuildDefaultTrue,
+		"hardware/interfaces/neuralnetworks":                      Bp2BuildDefaultTrueRecursively,
+		"hardware/interfaces/neuralnetworks/aidl/vts":             Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/neuralnetworks/1.0/vts":              Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/neuralnetworks/1.1/vts":              Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/neuralnetworks/1.2/vts":              Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/neuralnetworks/1.3/vts":              Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/neuralnetworks/1.4/vts":              Bp2BuildDefaultFalseRecursively,
 
 		"libnativehelper": Bp2BuildDefaultTrueRecursively,
 
@@ -398,7 +403,7 @@
 		"prebuilts/clang-tools":/* recursive = */ true,
 		"prebuilts/gcc":/* recursive = */ true,
 		"prebuilts/build-tools":/* recursive = */ true,
-		"prebuilts/jdk/jdk11":/* recursive = */ false,
+		"prebuilts/jdk/jdk17":/* recursive = */ true,
 		"prebuilts/misc":/* recursive = */ false, // not recursive because we need bp2build converted build files in prebuilts/misc/common/asm
 		"prebuilts/sdk":/* recursive = */ false,
 		"prebuilts/sdk/tools":/* recursive = */ false,
@@ -437,7 +442,6 @@
 		"gemmlowp_headers",
 		"gl_headers",
 		"ipconnectivity-proto-src",
-		"libaidlcommonsupport",
 		"libandroid_runtime_lazy",
 		"libandroid_runtime_vm_headers",
 		"libaudioclient_aidl_conversion_util",
@@ -499,13 +503,6 @@
 		"mediaswcodec.policy",
 		"mediaswcodec.xml",
 		"neuralnetworks_types",
-		"neuralnetworks_utils_hal_aidl",
-		"neuralnetworks_utils_hal_common",
-		"neuralnetworks_utils_hal_service",
-		"neuralnetworks_utils_hal_1_0",
-		"neuralnetworks_utils_hal_1_1",
-		"neuralnetworks_utils_hal_1_2",
-		"neuralnetworks_utils_hal_1_3",
 		"libneuralnetworks_common",
 		// packagemanager_aidl_interface is created implicitly in packagemanager_aidl module
 		"packagemanager_aidl_interface",
@@ -699,6 +696,19 @@
 
 		// for api_fingerprint.txt generation
 		"api_fingerprint",
+
+		// allowlisting for kotlinx_coroutines
+		"kotlinx_coroutines",
+		"annotations",
+		"kotlinx-coroutines-android-annotation-stubs",
+
+		// for building com.android.neuralnetworks
+		"libimapper_stablec",
+		"libimapper_providerutils",
+
+		// min_sdk_version in android_app
+		"CtsShimUpgrade",
+		"fake-framework",
 	}
 
 	Bp2buildModuleTypeAlwaysConvertList = []string{
@@ -721,15 +731,6 @@
 	// the "prebuilt_" prefix to the name, so that it's differentiable from
 	// the source versions within Soong's module graph.
 	Bp2buildModuleDoNotConvertList = []string{
-		// TODO(b/250876486): Created cc_aidl_library doesn't have static libs from parent cc module
-		"libgui_window_info_static",
-		"libgui",     // Depends on unconverted libgui_window_info_static
-		"libdisplay", // Depends on uncovnerted libgui
-		// Depends on unconverted libdisplay
-		"libdvr_static.google",
-		"libdvr.google",
-		"libvrsensor",
-		"dvr_api-test",
 		// Depends on unconverted libandroid, libgui
 		"dvr_buffer_queue-test",
 		"dvr_display-test",
@@ -858,6 +859,9 @@
 		"android.hardware.health-translate-java",
 
 		// cc_test related.
+		// b/274164834 "Could not open Configuration file test.cfg"
+		"svcenc", "svcdec",
+
 		// Failing host cc_tests
 		"memunreachable_unit_test",
 		"libprocinfo_test",
@@ -1407,25 +1411,29 @@
 		"unwind",
 		"unwind_info",
 		"unwind_symbols",
-		"libc_malloc_debug",
-		"libfdtrack",
-		"mediaswcodec",
-		"libcodec2_hidl@1.0",
 		"libEGL",
-		"libstagefright_bufferqueue_helper_novndk",
 		"libGLESv2",
+		"libc_malloc_debug",
+		"libcodec2_hidl@1.0",
 		"libcodec2_hidl@1.1",
-		"libmedia_codecserviceregistrant",
 		"libcodec2_hidl@1.2",
+		"libfdtrack",
+		"libgui",
+		"libgui_bufferqueue_static",
+		"libmedia_codecserviceregistrant",
+		"libstagefright_bufferqueue_helper_novndk",
 		"libutils_test",
 		"libutilscallstack",
+		"mediaswcodec",
 	}
 
 	// Bazel prod-mode allowlist. Modules in this list are built by Bazel
 	// in either prod mode or staging mode.
 	ProdMixedBuildsEnabledList = []string{
+		// M5: tzdata launch
 		"com.android.tzdata",
 		"test1_com.android.tzdata",
+		// M7: adbd launch
 		"com.android.adbd",
 		"test_com.android.adbd",
 		"adbd_test",
@@ -1433,6 +1441,8 @@
 		"adb_pairing_auth_test",
 		"adb_pairing_connection_test",
 		"adb_tls_connection_test",
+		// M9: mixed builds for mainline trains launch
+		"api_fingerprint",
 	}
 
 	// Staging-mode allowlist. Modules in this list are only built
@@ -1440,21 +1450,19 @@
 	// which will soon be added to the prod allowlist.
 	// It is implicit that all modules in ProdMixedBuildsEnabledList will
 	// also be built - do not add them to this list.
-	StagingMixedBuildsEnabledList = []string{
-		"api_fingerprint",
-	}
+	StagingMixedBuildsEnabledList = []string{}
 
 	// These should be the libs that are included by the apexes in the ProdMixedBuildsEnabledList
-	ProdDclaMixedBuildsEnabledList = []string{}
-
-	// These should be the libs that are included by the apexes in the StagingMixedBuildsEnabledList
-	StagingDclaMixedBuildsEnabledList = []string{
+	ProdDclaMixedBuildsEnabledList = []string{
 		"libbase",
 		"libc++",
 		"libcrypto",
 		"libcutils",
 	}
 
+	// These should be the libs that are included by the apexes in the StagingMixedBuildsEnabledList
+	StagingDclaMixedBuildsEnabledList = []string{}
+
 	// TODO(b/269342245): Enable the rest of the DCLA libs
 	// "libssl",
 	// "libstagefright_flacdec",
diff --git a/android/api_levels.go b/android/api_levels.go
index 9440ee9..e48a69e 100644
--- a/android/api_levels.go
+++ b/android/api_levels.go
@@ -55,6 +55,9 @@
 }
 
 func (this ApiLevel) FinalInt() int {
+	if this.IsInvalid() {
+		panic(fmt.Errorf("%v is not a recognized api_level\n", this))
+	}
 	if this.IsPreview() {
 		panic("Requested a final int from a non-final ApiLevel")
 	} else {
@@ -63,6 +66,9 @@
 }
 
 func (this ApiLevel) FinalOrFutureInt() int {
+	if this.IsInvalid() {
+		panic(fmt.Errorf("%v is not a recognized api_level\n", this))
+	}
 	if this.IsPreview() {
 		return FutureApiLevelInt
 	} else {
@@ -76,6 +82,9 @@
 // - preview codenames -> preview base (9000) + index
 // - otherwise -> cast to int
 func (this ApiLevel) FinalOrPreviewInt() int {
+	if this.IsInvalid() {
+		panic(fmt.Errorf("%v is not a recognized api_level\n", this))
+	}
 	if this.IsCurrent() {
 		return this.number
 	}
@@ -97,6 +106,11 @@
 	return this.isPreview
 }
 
+// Returns true if the raw api level string is invalid
+func (this ApiLevel) IsInvalid() bool {
+	return this.EqualTo(InvalidApiLevel)
+}
+
 // Returns true if this is the unfinalized "current" API level. This means
 // different things across Java and native. Java APIs do not use explicit
 // codenames, so all non-final codenames are grouped into "current". For native
@@ -113,6 +127,64 @@
 	return this.number == -1
 }
 
+// Returns true if an app is compiling against private apis.
+// e.g. if sdk_version = "" in Android.bp, then the ApiLevel of that "sdk" is at PrivateApiLevel.
+func (this ApiLevel) IsPrivate() bool {
+	return this.number == PrivateApiLevel.number
+}
+
+// EffectiveVersion converts an ApiLevel into the concrete ApiLevel that the module should use. For
+// modules targeting an unreleased SDK (meaning it does not yet have a number) it returns
+// FutureApiLevel(10000).
+func (l ApiLevel) EffectiveVersion(ctx EarlyModuleContext) (ApiLevel, error) {
+	if l.EqualTo(InvalidApiLevel) {
+		return l, fmt.Errorf("invalid version in sdk_version %q", l.value)
+	}
+	if !l.IsPreview() {
+		return l, nil
+	}
+	ret := ctx.Config().DefaultAppTargetSdk(ctx)
+	if ret.IsPreview() {
+		return FutureApiLevel, nil
+	}
+	return ret, nil
+}
+
+// EffectiveVersionString converts an SdkSpec into the concrete version string that the module
+// should use. For modules targeting an unreleased SDK (meaning it does not yet have a number)
+// it returns the codename (P, Q, R, etc.)
+func (l ApiLevel) EffectiveVersionString(ctx EarlyModuleContext) (string, error) {
+	if l.EqualTo(InvalidApiLevel) {
+		return l.value, fmt.Errorf("invalid version in sdk_version %q", l.value)
+	}
+	if !l.IsPreview() {
+		return l.String(), nil
+	}
+	// Determine the default sdk
+	ret := ctx.Config().DefaultAppTargetSdk(ctx)
+	if !ret.IsPreview() {
+		// If the default sdk has been finalized, return that
+		return ret.String(), nil
+	}
+	// There can be more than one active in-development sdks
+	// If an app is targeting an active sdk, but not the default one, return the requested active sdk.
+	// e.g.
+	// SETUP
+	// In-development: UpsideDownCake, VanillaIceCream
+	// Default: VanillaIceCream
+	// Android.bp
+	// min_sdk_version: `UpsideDownCake`
+	// RETURN
+	// UpsideDownCake and not VanillaIceCream
+	for _, preview := range ctx.Config().PreviewApiLevels() {
+		if l.String() == preview.String() {
+			return preview.String(), nil
+		}
+	}
+	// Otherwise return the default one
+	return ret.String(), nil
+}
+
 // Returns -1 if the current API level is less than the argument, 0 if they
 // are equal, and 1 if it is greater than the argument.
 func (this ApiLevel) CompareTo(other ApiLevel) int {
@@ -166,6 +238,19 @@
 	isPreview: true,
 }
 
+// Sentinel ApiLevel to validate that an apiLevel is either an int or a recognized codename.
+var InvalidApiLevel = NewInvalidApiLevel("invalid")
+
+// Returns an apiLevel object at the same level as InvalidApiLevel.
+// The object contains the raw string provied in bp file, and can be used for error handling.
+func NewInvalidApiLevel(raw string) ApiLevel {
+	return ApiLevel{
+		value:     raw,
+		number:    -2, // One less than NoneApiLevel
+		isPreview: true,
+	}
+}
+
 // The first version that introduced 64-bit ABIs.
 var FirstLp64Version = uncheckedFinalApiLevel(21)
 
diff --git a/android/arch.go b/android/arch.go
index 6acf9cf..4b4691b 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -1694,6 +1694,7 @@
 	return []archConfig{
 		{"arm64", "armv8-a-branchprot", "", []string{"arm64-v8a"}},
 		{"arm", "armv7-a-neon", "", []string{"armeabi-v7a"}},
+		{"riscv64", "", "", []string{"riscv64"}},
 		{"x86_64", "", "", []string{"x86_64"}},
 		{"x86", "", "", []string{"x86"}},
 	}
diff --git a/android/bazel.go b/android/bazel.go
index b600758..1a71def 100644
--- a/android/bazel.go
+++ b/android/bazel.go
@@ -356,6 +356,8 @@
 	withinApex := !apexInfo.IsForPlatform()
 	mixedBuildEnabled := ctx.Config().IsMixedBuildsEnabled() &&
 		ctx.Os() != Windows && // Windows toolchains are not currently supported.
+		ctx.Os() != LinuxBionic && // Linux Bionic toolchains are not currently supported.
+		ctx.Arch().ArchType != Riscv64 && // TODO(b/262192655) Riscv64 toolchains are not currently supported.
 		module.Enabled() &&
 		convertedToBazel(ctx, module) &&
 		ctx.Config().BazelContext.IsModuleNameAllowed(module.Name(), withinApex)
diff --git a/android/bazel_handler.go b/android/bazel_handler.go
index e7b84e3..44dc055 100644
--- a/android/bazel_handler.go
+++ b/android/bazel_handler.go
@@ -736,15 +736,6 @@
 		// TODO(asmundak): is it needed in every build?
 		"--profile=" + shared.BazelMetricsFilename(paths, runName),
 
-		// Set default platforms to canonicalized values for mixed builds requests.
-		// If these are set in the bazelrc, they will have values that are
-		// non-canonicalized to @sourceroot labels, and thus be invalid when
-		// referenced from the buildroot.
-		//
-		// The actual platform values here may be overridden by configuration
-		// transitions from the buildroot.
-		fmt.Sprintf("--extra_toolchains=%s", "//prebuilts/clang/host/linux-x86:all"),
-
 		// We don't need to set --host_platforms because it's set in bazelrc files
 		// that the bazel shell script wrapper passes
 
@@ -1009,31 +1000,6 @@
 	formatString := `
 # This file is generated by soong_build. Do not edit.
 
-# a drop-in replacement for json.encode(), not available in cquery environment
-# TODO(cparsons): bring json module in and remove this function
-def json_encode(input):
-  # Avoiding recursion by limiting
-  #  - a dict to contain anything except a dict
-  #  - a list to contain only primitives
-  def encode_primitive(p):
-    t = type(p)
-    if t == "string" or t == "int":
-      return repr(p)
-    fail("unsupported value '%s' of type '%s'" % (p, type(p)))
-
-  def encode_list(list):
-    return "[%s]" % ", ".join([encode_primitive(item) for item in list])
-
-  def encode_list_or_primitive(v):
-    return encode_list(v) if type(v) == "list" else encode_primitive(v)
-
-  if type(input) == "dict":
-    # TODO(juu): the result is read line by line so can't use '\n' yet
-    kv_pairs = [("%s: %s" % (encode_primitive(k), encode_list_or_primitive(v))) for (k, v) in input.items()]
-    return "{ %s }" % ", ".join(kv_pairs)
-  else:
-    return encode_list_or_primitive(input)
-
 {LABEL_REGISTRATION_MAP_SECTION}
 
 {FUNCTION_DEF_SECTION}
diff --git a/android/config.go b/android/config.go
index 979f1ca..593812c 100644
--- a/android/config.go
+++ b/android/config.go
@@ -52,6 +52,15 @@
 // FutureApiLevelInt is a placeholder constant for unreleased API levels.
 const FutureApiLevelInt = 10000
 
+// PrivateApiLevel represents the api level of SdkSpecPrivate (sdk_version: "")
+// This api_level exists to differentiate user-provided "" from "current" sdk_version
+// The differentiation is necessary to enable different validation rules for these two possible values.
+var PrivateApiLevel = ApiLevel{
+	value:     "current",             // The value is current since aidl expects `current` as the default (TestAidlFlagsWithMinSdkVersion)
+	number:    FutureApiLevelInt + 1, // This is used to differentiate it from FutureApiLevel
+	isPreview: true,
+}
+
 // FutureApiLevel represents unreleased API levels.
 var FutureApiLevel = ApiLevel{
 	value:     "current",
@@ -83,6 +92,8 @@
 	ModuleActionsFile   string
 	DocFile             string
 
+	MultitreeBuild bool
+
 	BazelMode                bool
 	BazelModeDev             bool
 	BazelModeStaging         bool
@@ -229,6 +240,10 @@
 	Bp2buildPackageConfig          Bp2BuildConversionAllowlist
 	Bp2buildSoongConfigDefinitions soongconfig.Bp2BuildSoongConfigDefinitions
 
+	// If MultitreeBuild is true then this is one inner tree of a multitree
+	// build directed by the multitree orchestrator.
+	MultitreeBuild bool
+
 	// If testAllowNonExistentPaths is true then PathForSource and PathForModuleSrc won't error
 	// in tests when a path doesn't exist.
 	TestAllowNonExistentPaths bool
@@ -449,7 +464,8 @@
 		mixedBuildEnabledModules:  make(map[string]struct{}),
 		bazelForceEnabledModules:  make(map[string]struct{}),
 
-		UseBazelProxy: cmdArgs.UseBazelProxy,
+		MultitreeBuild: cmdArgs.MultitreeBuild,
+		UseBazelProxy:  cmdArgs.UseBazelProxy,
 	}
 
 	config.deviceConfig = &deviceConfig{
diff --git a/android/config_bp2build.go b/android/config_bp2build.go
index 2beeb51..830890d 100644
--- a/android/config_bp2build.go
+++ b/android/config_bp2build.go
@@ -95,6 +95,15 @@
 	return ev.pctx.VariableConfigMethod(name, method)
 }
 
+func (ev ExportedVariables) ExportStringStaticVariableWithEnvOverride(name, envVar, defaultVal string) {
+	ev.ExportVariableConfigMethod(name, func(config Config) string {
+		if override := config.Getenv(envVar); override != "" {
+			return override
+		}
+		return defaultVal
+	})
+}
+
 // ExportSourcePathVariable declares a static "source path" variable and exports
 // it to Bazel's toolchain.
 func (ev ExportedVariables) ExportSourcePathVariable(name string, value string) {
diff --git a/android/defaults.go b/android/defaults.go
index a821b28..31d6014 100644
--- a/android/defaults.go
+++ b/android/defaults.go
@@ -15,8 +15,6 @@
 package android
 
 import (
-	"bytes"
-	"fmt"
 	"reflect"
 
 	"github.com/google/blueprint"
@@ -69,11 +67,9 @@
 	// Set the property structures into which defaults will be added.
 	setProperties(props []interface{}, variableProperties interface{})
 
-	// Apply defaults from the supplied DefaultsModule to the property structures supplied to
+	// Apply defaults from the supplied Defaults to the property structures supplied to
 	// setProperties(...).
-	applyDefaults(TopDownMutatorContext, []DefaultsModule)
-
-	applySingleDefaultsWithTracker(EarlyModuleContext, DefaultsModule, defaultsTrackerFunc)
+	applyDefaults(TopDownMutatorContext, []Defaults)
 
 	// Set the hook to be called after any defaults have been applied.
 	//
@@ -119,23 +115,9 @@
 	Defaults_visibility []string
 }
 
-// AdditionalDefaultsProperties contains properties of defaults modules which
-// can have other defaults applied.
-type AdditionalDefaultsProperties struct {
-
-	// The list of properties set by the default whose values must not be changed by any module that
-	// applies these defaults. It is an error if a property is not supported by the defaults module or
-	// has not been set to a non-zero value. If this contains "*" then that must be the only entry in
-	// which case all properties that are set on this defaults will be protected (except the
-	// protected_properties and visibility.
-	Protected_properties []string
-}
-
 type DefaultsModuleBase struct {
 	DefaultableModuleBase
 
-	defaultsProperties AdditionalDefaultsProperties
-
 	// Included to support setting bazel_module.label for multiple Soong modules to the same Bazel
 	// target. This is primarily useful for modules that were architecture specific and instead are
 	// handled in Bazel as a select().
@@ -169,18 +151,6 @@
 	// DefaultsModuleBase will type-assert to the Defaults interface.
 	isDefaults() bool
 
-	// additionalDefaultableProperties returns additional properties provided by the defaults which
-	// can themselves have defaults applied.
-	additionalDefaultableProperties() []interface{}
-
-	// protectedProperties returns the names of the properties whose values cannot be changed by a
-	// module that applies these defaults.
-	protectedProperties() []string
-
-	// setProtectedProperties sets the names of the properties whose values cannot be changed by a
-	// module that applies these defaults.
-	setProtectedProperties(protectedProperties []string)
-
 	// Get the structures containing the properties for which defaults can be provided.
 	properties() []interface{}
 
@@ -197,18 +167,6 @@
 	Bazelable
 }
 
-func (d *DefaultsModuleBase) additionalDefaultableProperties() []interface{} {
-	return []interface{}{&d.defaultsProperties}
-}
-
-func (d *DefaultsModuleBase) protectedProperties() []string {
-	return d.defaultsProperties.Protected_properties
-}
-
-func (d *DefaultsModuleBase) setProtectedProperties(protectedProperties []string) {
-	d.defaultsProperties.Protected_properties = protectedProperties
-}
-
 func (d *DefaultsModuleBase) properties() []interface{} {
 	return d.defaultableProperties
 }
@@ -232,10 +190,6 @@
 		&ApexProperties{},
 		&distProperties{})
 
-	// Additional properties of defaults modules that can themselves have
-	// defaults applied.
-	module.AddProperties(module.additionalDefaultableProperties()...)
-
 	// Bazel module must be initialized _before_ Defaults to be included in cc_defaults module.
 	InitBazelModule(module)
 	initAndroidModuleBase(module)
@@ -263,58 +217,6 @@
 
 	// The applicable licenses property for defaults is 'licenses'.
 	setPrimaryLicensesProperty(module, "licenses", &commonProperties.Licenses)
-
-	AddLoadHook(module, func(ctx LoadHookContext) {
-
-		protectedProperties := module.protectedProperties()
-		if len(protectedProperties) == 0 {
-			return
-		}
-
-		propertiesAvailable := map[string]struct{}{}
-		propertiesSet := map[string]struct{}{}
-
-		// A defaults tracker which will keep track of which properties have been set on this module.
-		collector := func(defaults DefaultsModule, property string, dstValue interface{}, srcValue interface{}) bool {
-			value := reflect.ValueOf(dstValue)
-			propertiesAvailable[property] = struct{}{}
-			if !value.IsZero() {
-				propertiesSet[property] = struct{}{}
-			}
-			// Skip all the properties so that there are no changes to the defaults.
-			return false
-		}
-
-		// Try and apply this module's defaults to itself, so that the properties can be collected but
-		// skip all the properties so it doesn't actually do anything.
-		module.applySingleDefaultsWithTracker(ctx, module, collector)
-
-		if InList("*", protectedProperties) {
-			if len(protectedProperties) != 1 {
-				ctx.PropertyErrorf("protected_properties", `if specified then "*" must be the only property listed`)
-				return
-			}
-
-			// Do not automatically protect the protected_properties property.
-			delete(propertiesSet, "protected_properties")
-
-			// Or the visibility property.
-			delete(propertiesSet, "visibility")
-
-			// Replace the "*" with the names of all the properties that have been set.
-			protectedProperties = SortedKeys(propertiesSet)
-			module.setProtectedProperties(protectedProperties)
-		} else {
-			for _, property := range protectedProperties {
-				if _, ok := propertiesAvailable[property]; !ok {
-					ctx.PropertyErrorf(property, "property is not supported by this module type %q",
-						ctx.ModuleType())
-				} else if _, ok := propertiesSet[property]; !ok {
-					ctx.PropertyErrorf(property, "is not set; protected properties must be explicitly set")
-				}
-			}
-		}
-	})
 }
 
 var _ Defaults = (*DefaultsModuleBase)(nil)
@@ -366,204 +268,35 @@
 	b.setNamespacedVariableProps(dst)
 }
 
-// defaultValueInfo contains information about each default value that applies to a protected
-// property.
-type defaultValueInfo struct {
-	// The DefaultsModule providing the value, which may be defined on that module or applied as a
-	// default from other modules.
-	module Module
-
-	// The default value, as returned by getComparableValue
-	defaultValue reflect.Value
-}
-
-// protectedPropertyInfo contains information about each property that has to be protected when
-// applying defaults.
-type protectedPropertyInfo struct {
-	// True if the property was set on the module to which defaults are applied, this is an error.
-	propertySet bool
-
-	// The original value of the property on the module, as returned by getComparableValue.
-	originalValue reflect.Value
-
-	// A list of defaults for the property that are being applied.
-	defaultValues []defaultValueInfo
-}
-
-// getComparableValue takes a reflect.Value that may be a pointer to another value and returns a
-// reflect.Value to the underlying data or the original if was not a pointer or was nil. The
-// returned values can then be compared for equality.
-func getComparableValue(value reflect.Value) reflect.Value {
-	if value.IsZero() {
-		return value
-	}
-	for value.Kind() == reflect.Ptr {
-		value = value.Elem()
-	}
-	return value
-}
-
 func (defaultable *DefaultableModuleBase) applyDefaults(ctx TopDownMutatorContext,
-	defaultsList []DefaultsModule) {
-
-	// Collate information on all the properties protected by each of the default modules applied
-	// to this module.
-	allProtectedProperties := map[string]*protectedPropertyInfo{}
-	for _, defaults := range defaultsList {
-		for _, property := range defaults.protectedProperties() {
-			info := allProtectedProperties[property]
-			if info == nil {
-				info = &protectedPropertyInfo{}
-				allProtectedProperties[property] = info
-			}
-		}
-	}
-
-	// If there are any protected properties then collate information about attempts to change them.
-	var protectedPropertyInfoCollector defaultsTrackerFunc
-	if len(allProtectedProperties) > 0 {
-		protectedPropertyInfoCollector = func(defaults DefaultsModule, property string,
-			dstValue interface{}, srcValue interface{}) bool {
-
-			// If the property is not protected then return immediately.
-			info := allProtectedProperties[property]
-			if info == nil {
-				return true
-			}
-
-			currentValue := reflect.ValueOf(dstValue)
-			if info.defaultValues == nil {
-				info.propertySet = !currentValue.IsZero()
-				info.originalValue = getComparableValue(currentValue)
-			}
-
-			defaultValue := reflect.ValueOf(srcValue)
-			if !defaultValue.IsZero() {
-				info.defaultValues = append(info.defaultValues,
-					defaultValueInfo{defaults, getComparableValue(defaultValue)})
-			}
-
-			return true
-		}
-	}
+	defaultsList []Defaults) {
 
 	for _, defaults := range defaultsList {
 		if ctx.Config().BuildMode == Bp2build {
 			applyNamespacedVariableDefaults(defaults, ctx)
 		}
-
-		defaultable.applySingleDefaultsWithTracker(ctx, defaults, protectedPropertyInfoCollector)
-	}
-
-	// Check the status of any protected properties.
-	for property, info := range allProtectedProperties {
-		if len(info.defaultValues) == 0 {
-			// No defaults were applied to the protected properties. Possibly because this module type
-			// does not support any of them.
-			continue
-		}
-
-		// Check to make sure that there are no conflicts between the defaults.
-		conflictingDefaults := false
-		previousDefaultValue := reflect.ValueOf(false)
-		for _, defaultInfo := range info.defaultValues {
-			defaultValue := defaultInfo.defaultValue
-			if previousDefaultValue.IsZero() {
-				previousDefaultValue = defaultValue
-			} else if !reflect.DeepEqual(previousDefaultValue.Interface(), defaultValue.Interface()) {
-				conflictingDefaults = true
-				break
-			}
-		}
-
-		if conflictingDefaults {
-			var buf bytes.Buffer
-			for _, defaultInfo := range info.defaultValues {
-				buf.WriteString(fmt.Sprintf("\n    defaults module %q provides value %#v",
-					ctx.OtherModuleName(defaultInfo.module), defaultInfo.defaultValue))
-			}
-			result := buf.String()
-			ctx.ModuleErrorf("has conflicting default values for protected property %q:%s", property, result)
-			continue
-		}
-
-		// Now check to see whether there the current module tried to override/append to the defaults.
-		if info.propertySet {
-			originalValue := info.originalValue
-			// Just compare against the first defaults.
-			defaultValue := info.defaultValues[0].defaultValue
-			defaults := info.defaultValues[0].module
-
-			if originalValue.Kind() == reflect.Slice {
-				ctx.ModuleErrorf("attempts to append %q to protected property %q's value of %q defined in module %q",
-					originalValue,
-					property,
-					defaultValue,
-					ctx.OtherModuleName(defaults))
+		for _, prop := range defaultable.defaultableProperties {
+			if prop == defaultable.defaultableVariableProperties {
+				defaultable.applyDefaultVariableProperties(ctx, defaults, prop)
 			} else {
-				same := reflect.DeepEqual(originalValue.Interface(), defaultValue.Interface())
-				message := ""
-				if same {
-					message = fmt.Sprintf(" with a matching value (%#v) so this property can simply be removed.", originalValue)
-				} else {
-					message = fmt.Sprintf(" with a different value (override %#v with %#v) so removing the property may necessitate other changes.", defaultValue, originalValue)
-				}
-				ctx.ModuleErrorf("attempts to override protected property %q defined in module %q%s",
-					property,
-					ctx.OtherModuleName(defaults), message)
+				defaultable.applyDefaultProperties(ctx, defaults, prop)
 			}
 		}
 	}
 }
 
-func (defaultable *DefaultableModuleBase) applySingleDefaultsWithTracker(ctx EarlyModuleContext, defaults DefaultsModule, tracker defaultsTrackerFunc) {
-	for _, prop := range defaultable.defaultableProperties {
-		var err error
-		if prop == defaultable.defaultableVariableProperties {
-			err = defaultable.applyDefaultVariableProperties(defaults, prop, tracker)
-		} else {
-			err = defaultable.applyDefaultProperties(defaults, prop, tracker)
-		}
-		if err != nil {
-			if propertyErr, ok := err.(*proptools.ExtendPropertyError); ok {
-				ctx.PropertyErrorf(propertyErr.Property, "%s", propertyErr.Err.Error())
-			} else {
-				panic(err)
-			}
-		}
-	}
-}
-
-// defaultsTrackerFunc is the type of a function that can be used to track how defaults are applied.
-type defaultsTrackerFunc func(defaults DefaultsModule, property string,
-	dstValue interface{}, srcValue interface{}) bool
-
-// filterForTracker wraps a defaultsTrackerFunc in a proptools.ExtendPropertyFilterFunc
-func filterForTracker(defaults DefaultsModule, tracker defaultsTrackerFunc) proptools.ExtendPropertyFilterFunc {
-	if tracker == nil {
-		return nil
-	}
-	return func(property string,
-		dstField, srcField reflect.StructField,
-		dstValue, srcValue interface{}) (bool, error) {
-
-		apply := tracker(defaults, property, dstValue, srcValue)
-		return apply, nil
-	}
-}
-
 // Product variable properties need special handling, the type of the filtered product variable
 // property struct may not be identical between the defaults module and the defaultable module.
 // Use PrependMatchingProperties to apply whichever properties match.
-func (defaultable *DefaultableModuleBase) applyDefaultVariableProperties(defaults DefaultsModule,
-	defaultableProp interface{}, tracker defaultsTrackerFunc) error {
+func (defaultable *DefaultableModuleBase) applyDefaultVariableProperties(ctx TopDownMutatorContext,
+	defaults Defaults, defaultableProp interface{}) {
 	if defaultableProp == nil {
-		return nil
+		return
 	}
 
 	defaultsProp := defaults.productVariableProperties()
 	if defaultsProp == nil {
-		return nil
+		return
 	}
 
 	dst := []interface{}{
@@ -573,26 +306,31 @@
 		proptools.CloneEmptyProperties(reflect.ValueOf(defaultsProp)).Interface(),
 	}
 
-	filter := filterForTracker(defaults, tracker)
-
-	return proptools.PrependMatchingProperties(dst, defaultsProp, filter)
+	err := proptools.PrependMatchingProperties(dst, defaultsProp, nil)
+	if err != nil {
+		if propertyErr, ok := err.(*proptools.ExtendPropertyError); ok {
+			ctx.PropertyErrorf(propertyErr.Property, "%s", propertyErr.Err.Error())
+		} else {
+			panic(err)
+		}
+	}
 }
 
-func (defaultable *DefaultableModuleBase) applyDefaultProperties(defaults DefaultsModule,
-	defaultableProp interface{}, checker defaultsTrackerFunc) error {
-
-	filter := filterForTracker(defaults, checker)
+func (defaultable *DefaultableModuleBase) applyDefaultProperties(ctx TopDownMutatorContext,
+	defaults Defaults, defaultableProp interface{}) {
 
 	for _, def := range defaults.properties() {
 		if proptools.TypeEqual(defaultableProp, def) {
-			err := proptools.PrependProperties(defaultableProp, def, filter)
+			err := proptools.PrependProperties(defaultableProp, def, nil)
 			if err != nil {
-				return err
+				if propertyErr, ok := err.(*proptools.ExtendPropertyError); ok {
+					ctx.PropertyErrorf(propertyErr.Property, "%s", propertyErr.Err.Error())
+				} else {
+					panic(err)
+				}
 			}
 		}
 	}
-
-	return nil
 }
 
 func RegisterDefaultsPreArchMutators(ctx RegisterMutatorsContext) {
@@ -609,12 +347,12 @@
 func defaultsMutator(ctx TopDownMutatorContext) {
 	if defaultable, ok := ctx.Module().(Defaultable); ok {
 		if len(defaultable.defaults().Defaults) > 0 {
-			var defaultsList []DefaultsModule
+			var defaultsList []Defaults
 			seen := make(map[Defaults]bool)
 
 			ctx.WalkDeps(func(module, parent Module) bool {
 				if ctx.OtherModuleDependencyTag(module) == DefaultsDepTag {
-					if defaults, ok := module.(DefaultsModule); ok {
+					if defaults, ok := module.(Defaults); ok {
 						if !seen[defaults] {
 							seen[defaults] = true
 							defaultsList = append(defaultsList, defaults)
diff --git a/android/defaults_test.go b/android/defaults_test.go
index d80f40c..a7542ab 100644
--- a/android/defaults_test.go
+++ b/android/defaults_test.go
@@ -19,14 +19,7 @@
 )
 
 type defaultsTestProperties struct {
-	Foo    []string
-	Bar    []string
-	Nested struct {
-		Fizz *bool
-	}
-	Other struct {
-		Buzz *string
-	}
+	Foo []string
 }
 
 type defaultsTestModule struct {
@@ -137,167 +130,3 @@
 	// TODO: missing transitive defaults is currently not handled
 	_ = missingTransitiveDefaults
 }
-
-func TestProtectedProperties_ProtectedPropertyNotSet(t *testing.T) {
-	bp := `
-		defaults {
-			name: "transitive",
-			protected_properties: ["foo"],
-		}
-	`
-
-	GroupFixturePreparers(
-		prepareForDefaultsTest,
-		FixtureWithRootAndroidBp(bp),
-	).ExtendWithErrorHandler(FixtureExpectsAtLeastOneErrorMatchingPattern(
-		"module \"transitive\": foo: is not set; protected properties must be explicitly set")).
-		RunTest(t)
-}
-
-func TestProtectedProperties_ProtectedPropertyNotLeaf(t *testing.T) {
-	bp := `
-		defaults {
-			name: "transitive",
-			protected_properties: ["nested"],
-			nested: {
-				fizz: true,
-			},
-		}
-	`
-
-	GroupFixturePreparers(
-		prepareForDefaultsTest,
-		FixtureWithRootAndroidBp(bp),
-	).ExtendWithErrorHandler(FixtureExpectsAtLeastOneErrorMatchingPattern(
-		`\Qmodule "transitive": nested: property is not supported by this module type "defaults"\E`)).
-		RunTest(t)
-}
-
-// TestProtectedProperties_ApplyDefaults makes sure that the protected_properties property has
-// defaults applied.
-func TestProtectedProperties_HasDefaultsApplied(t *testing.T) {
-
-	bp := `
-		defaults {
-			name: "transitive",
-			protected_properties: ["foo"],
-			foo: ["transitive"],
-		}
-
-		defaults {
-			name: "defaults",
-			defaults: ["transitive"],
-			protected_properties: ["bar"],
-			bar: ["defaults"],
-		}
-	`
-
-	result := GroupFixturePreparers(
-		prepareForDefaultsTest,
-		FixtureWithRootAndroidBp(bp),
-	).RunTest(t)
-
-	defaults := result.Module("defaults", "").(DefaultsModule)
-	AssertDeepEquals(t, "defaults protected properties", []string{"foo", "bar"}, defaults.protectedProperties())
-}
-
-// TestProtectedProperties_ProtectAllProperties makes sure that protected_properties: ["*"] protects
-// all properties.
-func TestProtectedProperties_ProtectAllProperties(t *testing.T) {
-
-	bp := `
-		defaults {
-			name: "transitive",
-			protected_properties: ["other.buzz"],
-			other: {
-				buzz: "transitive",
-			},
-		}
-
-		defaults {
-			name: "defaults",
-			defaults: ["transitive"],
-			visibility: ["//visibility:private"],
-			protected_properties: ["*"],
-			foo: ["other"],
-			bar: ["defaults"],
-			nested: {
-				fizz: true,
-			}
-		}
-	`
-
-	result := GroupFixturePreparers(
-		prepareForDefaultsTest,
-		FixtureWithRootAndroidBp(bp),
-	).RunTest(t)
-
-	defaults := result.Module("defaults", "").(DefaultsModule)
-	AssertDeepEquals(t, "defaults protected properties", []string{"other.buzz", "bar", "foo", "nested.fizz"},
-		defaults.protectedProperties())
-}
-
-func TestProtectedProperties_DetectedOverride(t *testing.T) {
-	bp := `
-		defaults {
-			name: "defaults",
-			protected_properties: ["foo", "nested.fizz"],
-			foo: ["defaults"],
-			nested: {
-				fizz: true,
-			},
-		}
-
-		test {
-			name: "foo",
-			defaults: ["defaults"],
-			foo: ["module"],
-			nested: {
-				fizz: false,
-			},
-		}
-	`
-
-	GroupFixturePreparers(
-		prepareForDefaultsTest,
-		FixtureWithRootAndroidBp(bp),
-	).ExtendWithErrorHandler(FixtureExpectsAllErrorsToMatchAPattern(
-		[]string{
-			`\Qmodule "foo": attempts to append ["module"] to protected property "foo"'s value of ["defaults"] defined in module "defaults"\E`,
-			`\Qmodule "foo": attempts to override protected property "nested.fizz" defined in module "defaults" with a different value (override true with false) so removing the property may necessitate other changes.\E`,
-		})).RunTest(t)
-}
-
-func TestProtectedProperties_DefaultsConflict(t *testing.T) {
-	bp := `
-		defaults {
-			name: "defaults1",
-			protected_properties: ["other.buzz"],
-			other: {
-				buzz: "value",
-			},
-		}
-
-		defaults {
-			name: "defaults2",
-			protected_properties: ["other.buzz"],
-			other: {
-				buzz: "another",
-			},
-		}
-
-		test {
-			name: "foo",
-			defaults: ["defaults1", "defaults2"],
-		}
-	`
-
-	GroupFixturePreparers(
-		prepareForDefaultsTest,
-		FixtureWithRootAndroidBp(bp),
-	).ExtendWithErrorHandler(FixtureExpectsAtLeastOneErrorMatchingPattern(
-		`\Qmodule "foo": has conflicting default values for protected property "other.buzz":
-    defaults module "defaults1" provides value "value"
-    defaults module "defaults2" provides value "another"\E`,
-	)).RunTest(t)
-}
diff --git a/android/filegroup.go b/android/filegroup.go
index 0f6e00e..278d46d 100644
--- a/android/filegroup.go
+++ b/android/filegroup.go
@@ -26,13 +26,18 @@
 )
 
 func init() {
-	RegisterModuleType("filegroup", FileGroupFactory)
+	RegisterFilegroupBuildComponents(InitRegistrationContext)
 }
 
 var PrepareForTestWithFilegroup = FixtureRegisterWithContext(func(ctx RegistrationContext) {
-	ctx.RegisterModuleType("filegroup", FileGroupFactory)
+	RegisterFilegroupBuildComponents(ctx)
 })
 
+func RegisterFilegroupBuildComponents(ctx RegistrationContext) {
+	ctx.RegisterModuleType("filegroup", FileGroupFactory)
+	ctx.RegisterModuleType("filegroup_defaults", FileGroupDefaultsFactory)
+}
+
 var convertedProtoLibrarySuffix = "_bp2build_converted"
 
 // IsFilegroup checks that a module is a filegroup type
@@ -178,6 +183,7 @@
 type fileGroup struct {
 	ModuleBase
 	BazelModuleBase
+	DefaultableModuleBase
 	FileGroupAsLibrary
 	properties fileGroupProperties
 	srcs       Paths
@@ -195,6 +201,7 @@
 	module.AddProperties(&module.properties)
 	InitAndroidModule(module)
 	InitBazelModule(module)
+	InitDefaultableModule(module)
 	return module
 }
 
@@ -326,3 +333,17 @@
 	}
 	return nil, false
 }
+
+// Defaults
+type FileGroupDefaults struct {
+	ModuleBase
+	DefaultsModuleBase
+}
+
+func FileGroupDefaultsFactory() Module {
+	module := &FileGroupDefaults{}
+	module.AddProperties(&fileGroupProperties{})
+	InitDefaultsModule(module)
+
+	return module
+}
diff --git a/android/filegroup_test.go b/android/filegroup_test.go
index 8292d5e..893da57 100644
--- a/android/filegroup_test.go
+++ b/android/filegroup_test.go
@@ -58,3 +58,24 @@
 		AssertStringEquals(t, "src full path", expectedOutputfile, fg.srcs[0].String())
 	}
 }
+
+func TestFilegroupDefaults(t *testing.T) {
+	bp := FixtureAddTextFile("p/Android.bp", `
+		filegroup_defaults {
+			name: "defaults",
+			visibility: ["//x"],
+		}
+		filegroup {
+			name: "foo",
+			defaults: ["defaults"],
+			visibility: ["//y"],
+		}
+	`)
+	result := GroupFixturePreparers(
+		PrepareForTestWithFilegroup,
+		PrepareForTestWithDefaults,
+		PrepareForTestWithVisibility,
+		bp).RunTest(t)
+	rules := effectiveVisibilityRules(result.Config, qualifiedModuleName{pkg: "p", name: "foo"})
+	AssertDeepEquals(t, "visibility", []string{"//x", "//y"}, rules.Strings())
+}
diff --git a/android/module.go b/android/module.go
index 773d77b..76fe8dc 100644
--- a/android/module.go
+++ b/android/module.go
@@ -37,26 +37,64 @@
 	DeviceStaticLibrary = "static_library"
 )
 
+// BuildParameters describes the set of potential parameters to build a Ninja rule.
+// In general, these correspond to a Ninja concept.
 type BuildParams struct {
-	Rule            blueprint.Rule
-	Deps            blueprint.Deps
-	Depfile         WritablePath
-	Description     string
-	Output          WritablePath
-	Outputs         WritablePaths
-	SymlinkOutput   WritablePath
-	SymlinkOutputs  WritablePaths
-	ImplicitOutput  WritablePath
+	// A Ninja Rule that will be written to the Ninja file. This allows factoring out common code
+	// among multiple modules to reduce repetition in the Ninja file of action requirements. A rule
+	// can contain variables that should be provided in Args.
+	Rule blueprint.Rule
+	// Deps represents the depfile format. When using RuleBuilder, this defaults to GCC when depfiles
+	// are used.
+	Deps blueprint.Deps
+	// Depfile is a writeable path that allows correct incremental builds when the inputs have not
+	// been fully specified by the Ninja rule. Ninja supports a subset of the Makefile depfile syntax.
+	Depfile WritablePath
+	// A description of the build action.
+	Description string
+	// Output is an output file of the action. When using this field, references to $out in the Ninja
+	// command will refer to this file.
+	Output WritablePath
+	// Outputs is a slice of output file of the action. When using this field, references to $out in
+	// the Ninja command will refer to these files.
+	Outputs WritablePaths
+	// SymlinkOutput is an output file specifically that is a symlink.
+	SymlinkOutput WritablePath
+	// SymlinkOutputs is a slice of output files specifically that is a symlink.
+	SymlinkOutputs WritablePaths
+	// ImplicitOutput is an output file generated by the action. Note: references to `$out` in the
+	// Ninja command will NOT include references to this file.
+	ImplicitOutput WritablePath
+	// ImplicitOutputs is a slice of output files generated by the action. Note: references to `$out`
+	// in the Ninja command will NOT include references to these files.
 	ImplicitOutputs WritablePaths
-	Input           Path
-	Inputs          Paths
-	Implicit        Path
-	Implicits       Paths
-	OrderOnly       Paths
-	Validation      Path
-	Validations     Paths
-	Default         bool
-	Args            map[string]string
+	// Input is an input file to the Ninja action. When using this field, references to $in in the
+	// Ninja command will refer to this file.
+	Input Path
+	// Inputs is a slice of input files to the Ninja action. When using this field, references to $in
+	// in the Ninja command will refer to these files.
+	Inputs Paths
+	// Implicit is an input file to the Ninja action. Note: references to `$in` in the Ninja command
+	// will NOT include references to this file.
+	Implicit Path
+	// Implicits is a slice of input files to the Ninja action. Note: references to `$in` in the Ninja
+	// command will NOT include references to these files.
+	Implicits Paths
+	// OrderOnly are Ninja order-only inputs to the action. When these are out of date, the output is
+	// not rebuilt until they are built, but changes in order-only dependencies alone do not cause the
+	// output to be rebuilt.
+	OrderOnly Paths
+	// Validation is an output path for a validation action. Validation outputs imply lower
+	// non-blocking priority to building non-validation outputs.
+	Validation Path
+	// Validations is a slice of output path for a validation action. Validation outputs imply lower
+	// non-blocking priority to building non-validation outputs.
+	Validations Paths
+	// Whether to skip outputting a default target statement which will be built by Ninja when no
+	// targets are specified on Ninja's command line.
+	Default bool
+	// Args is a key value mapping for replacements of variables within the Rule
+	Args map[string]string
 }
 
 type ModuleBuildParams BuildParams
diff --git a/android/neverallow.go b/android/neverallow.go
index ba5385c..2139c3c 100644
--- a/android/neverallow.go
+++ b/android/neverallow.go
@@ -165,6 +165,7 @@
 	javaDeviceForHostProjectsAllowedList := []string{
 		"development/build",
 		"external/guava",
+		"external/kotlinx.coroutines",
 		"external/robolectric-shadows",
 		"external/robolectric",
 		"frameworks/layoutlib",
diff --git a/android/sdk_version.go b/android/sdk_version.go
index a7e03dc..ab6e4f7 100644
--- a/android/sdk_version.go
+++ b/android/sdk_version.go
@@ -84,6 +84,40 @@
 	}
 }
 
+// JavaLibraryName returns the soong module containing the Java APIs of that API surface.
+func (k SdkKind) JavaLibraryName(c Config) string {
+	name := k.defaultJavaLibraryName()
+	return JavaLibraryNameFromText(c, name)
+}
+
+// JavaLibraryNameFromText returns the name of .txt equivalent of a java_library, but does
+// not check if either module exists.
+// TODO: Return .txt (single-tree or multi-tree equivalents) based on config
+func JavaLibraryNameFromText(c Config, name string) string {
+	// This returns the default for now.
+	// TODO: Implement this
+	return name
+}
+
+func (k SdkKind) defaultJavaLibraryName() string {
+	switch k {
+	case SdkPublic:
+		return "android_stubs_current"
+	case SdkSystem:
+		return "android_system_stubs_current"
+	case SdkTest:
+		return "android_test_stubs_current"
+	case SdkCore:
+		return "core.current.stubs"
+	case SdkModule:
+		return "android_module_lib_stubs_current"
+	case SdkSystemServer:
+		return "android_system_server_stubs_current"
+	default:
+		panic(fmt.Errorf("APIs of API surface %v cannot be provided by a single Soong module\n", k))
+	}
+}
+
 // SdkSpec represents the kind and the version of an SDK for a module to build against
 type SdkSpec struct {
 	Kind     SdkKind
@@ -187,14 +221,7 @@
 	if ctx.DeviceSpecific() || ctx.SocSpecific() {
 		s = s.ForVendorPartition(ctx)
 	}
-	if !s.ApiLevel.IsPreview() {
-		return s.ApiLevel, nil
-	}
-	ret := ctx.Config().DefaultAppTargetSdk(ctx)
-	if ret.IsPreview() {
-		return FutureApiLevel, nil
-	}
-	return ret, nil
+	return s.ApiLevel.EffectiveVersion(ctx)
 }
 
 // EffectiveVersionString converts an SdkSpec into the concrete version string that the module
@@ -208,37 +235,12 @@
 	if ctx.DeviceSpecific() || ctx.SocSpecific() {
 		s = s.ForVendorPartition(ctx)
 	}
-	if !s.ApiLevel.IsPreview() {
-		return s.ApiLevel.String(), nil
-	}
-	// Determine the default sdk
-	ret := ctx.Config().DefaultAppTargetSdk(ctx)
-	if !ret.IsPreview() {
-		// If the default sdk has been finalized, return that
-		return ret.String(), nil
-	}
-	// There can be more than one active in-development sdks
-	// If an app is targeting an active sdk, but not the default one, return the requested active sdk.
-	// e.g.
-	// SETUP
-	// In-development: UpsideDownCake, VanillaIceCream
-	// Default: VanillaIceCream
-	// Android.bp
-	// min_sdk_version: `UpsideDownCake`
-	// RETURN
-	// UpsideDownCake and not VanillaIceCream
-	for _, preview := range ctx.Config().PreviewApiLevels() {
-		if s.ApiLevel.String() == preview.String() {
-			return preview.String(), nil
-		}
-	}
-	// Otherwise return the default one
-	return ret.String(), nil
+	return s.ApiLevel.EffectiveVersionString(ctx)
 }
 
 var (
 	SdkSpecNone         = SdkSpec{SdkNone, NoneApiLevel, "(no version)"}
-	SdkSpecPrivate      = SdkSpec{SdkPrivate, FutureApiLevel, ""}
+	SdkSpecPrivate      = SdkSpec{SdkPrivate, PrivateApiLevel, ""}
 	SdkSpecCorePlatform = SdkSpec{SdkCorePlatform, FutureApiLevel, "core_platform"}
 )
 
@@ -261,7 +263,7 @@
 
 		var kindString string
 		if sep == 0 {
-			return SdkSpec{SdkInvalid, NoneApiLevel, str}
+			return SdkSpec{SdkInvalid, NewInvalidApiLevel(str), str}
 		} else if sep == -1 {
 			kindString = ""
 		} else {
@@ -289,7 +291,7 @@
 
 		apiLevel, err := ApiLevelFromUserWithConfig(config, versionString)
 		if err != nil {
-			return SdkSpec{SdkInvalid, apiLevel, str}
+			return SdkSpec{SdkInvalid, NewInvalidApiLevel(versionString), str}
 		}
 		return SdkSpec{kind, apiLevel, str}
 	}
diff --git a/android/sdk_version_test.go b/android/sdk_version_test.go
index ec81782..ea99c4d 100644
--- a/android/sdk_version_test.go
+++ b/android/sdk_version_test.go
@@ -37,11 +37,11 @@
 		},
 		{
 			input:    "_",
-			expected: "invalid_(no version)",
+			expected: "invalid__",
 		},
 		{
 			input:    "_31",
-			expected: "invalid_(no version)",
+			expected: "invalid__31",
 		},
 		{
 			input:    "system_R",
diff --git a/apex/androidmk.go b/apex/androidmk.go
index 7f03621..684833d 100644
--- a/apex/androidmk.go
+++ b/apex/androidmk.go
@@ -63,15 +63,17 @@
 }
 
 // Return the full module name for a dependency module, which appends the apex module name unless re-using a system lib.
-func (a *apexBundle) fullModuleName(apexBundleName string, fi *apexFile) string {
-	linkToSystemLib := a.linkToSystemLib && fi.transitiveDep && fi.availableToPlatform()
-
+func (a *apexBundle) fullModuleName(apexBundleName string, linkToSystemLib bool, fi *apexFile) string {
 	if linkToSystemLib {
 		return fi.androidMkModuleName
 	}
 	return fi.androidMkModuleName + "." + apexBundleName + a.suffix
 }
 
+// androidMkForFiles generates Make definitions for the contents of an
+// apexBundle (apexBundle#filesInfo).  The filesInfo structure can either be
+// populated by Soong for unconverted APEXes, or Bazel in mixed mode. Use
+// apexFile#isBazelPrebuilt to differentiate.
 func (a *apexBundle) androidMkForFiles(w io.Writer, apexBundleName, moduleDir string,
 	apexAndroidMkData android.AndroidMkData) []string {
 
@@ -95,8 +97,7 @@
 
 	for _, fi := range a.filesInfo {
 		linkToSystemLib := a.linkToSystemLib && fi.transitiveDep && fi.availableToPlatform()
-
-		moduleName := a.fullModuleName(apexBundleName, &fi)
+		moduleName := a.fullModuleName(apexBundleName, linkToSystemLib, &fi)
 
 		// This name will be added to LOCAL_REQUIRED_MODULES of the APEX. We need to be
 		// arch-specific otherwise we will end up installing both ABIs even when only
@@ -124,6 +125,7 @@
 			fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
 		}
 		fmt.Fprintln(w, "LOCAL_MODULE :=", moduleName)
+
 		if fi.module != nil && fi.module.Owner() != "" {
 			fmt.Fprintln(w, "LOCAL_MODULE_OWNER :=", fi.module.Owner())
 		}
@@ -161,6 +163,7 @@
 		fmt.Fprintln(w, "LOCAL_PREBUILT_MODULE_FILE :=", fi.builtFile.String())
 		fmt.Fprintln(w, "LOCAL_MODULE_CLASS :=", fi.class.nameInMake())
 		if fi.module != nil {
+			// This apexFile's module comes from Soong
 			archStr := fi.module.Target().Arch.ArchType.String()
 			host := false
 			switch fi.module.Target().Os.Class {
@@ -188,6 +191,9 @@
 				fmt.Fprintln(w, "LOCAL_MODULE_HOST_OS :=", makeOs)
 				fmt.Fprintln(w, "LOCAL_IS_HOST_MODULE := true")
 			}
+		} else if fi.isBazelPrebuilt && fi.arch != "" {
+			// This apexFile comes from Bazel
+			fmt.Fprintln(w, "LOCAL_MODULE_TARGET_ARCH :=", fi.arch)
 		}
 		if fi.jacocoReportClassesFile != nil {
 			fmt.Fprintln(w, "LOCAL_SOONG_JACOCO_REPORT_CLASSES_JAR :=", fi.jacocoReportClassesFile.String())
@@ -231,17 +237,21 @@
 			fmt.Fprintln(w, "include $(BUILD_SYSTEM)/soong_android_app_set.mk")
 		case nativeSharedLib, nativeExecutable, nativeTest:
 			fmt.Fprintln(w, "LOCAL_MODULE_STEM :=", fi.stem())
-			if ccMod, ok := fi.module.(*cc.Module); ok {
-				if ccMod.UnstrippedOutputFile() != nil {
-					fmt.Fprintln(w, "LOCAL_SOONG_UNSTRIPPED_BINARY :=", ccMod.UnstrippedOutputFile().String())
-				}
-				ccMod.AndroidMkWriteAdditionalDependenciesForSourceAbiDiff(w)
-				if ccMod.CoverageOutputFile().Valid() {
-					fmt.Fprintln(w, "LOCAL_PREBUILT_COVERAGE_ARCHIVE :=", ccMod.CoverageOutputFile().String())
-				}
-			} else if rustMod, ok := fi.module.(*rust.Module); ok {
-				if rustMod.UnstrippedOutputFile() != nil {
-					fmt.Fprintln(w, "LOCAL_SOONG_UNSTRIPPED_BINARY :=", rustMod.UnstrippedOutputFile().String())
+			if fi.isBazelPrebuilt {
+				fmt.Fprintln(w, "LOCAL_SOONG_UNSTRIPPED_BINARY :=", fi.unstrippedBuiltFile)
+			} else {
+				if ccMod, ok := fi.module.(*cc.Module); ok {
+					if ccMod.UnstrippedOutputFile() != nil {
+						fmt.Fprintln(w, "LOCAL_SOONG_UNSTRIPPED_BINARY :=", ccMod.UnstrippedOutputFile().String())
+					}
+					ccMod.AndroidMkWriteAdditionalDependenciesForSourceAbiDiff(w)
+					if ccMod.CoverageOutputFile().Valid() {
+						fmt.Fprintln(w, "LOCAL_PREBUILT_COVERAGE_ARCHIVE :=", ccMod.CoverageOutputFile().String())
+					}
+				} else if rustMod, ok := fi.module.(*rust.Module); ok {
+					if rustMod.UnstrippedOutputFile() != nil {
+						fmt.Fprintln(w, "LOCAL_SOONG_UNSTRIPPED_BINARY :=", rustMod.UnstrippedOutputFile().String())
+					}
 				}
 			}
 			fmt.Fprintln(w, "include $(BUILD_SYSTEM)/soong_cc_rust_prebuilt.mk")
diff --git a/apex/apex.go b/apex/apex.go
index f506876..ac81885 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -509,6 +509,21 @@
 	shBinary
 )
 
+var (
+	classes = map[string]apexFileClass{
+		"app":              app,
+		"appSet":           appSet,
+		"etc":              etc,
+		"goBinary":         goBinary,
+		"javaSharedLib":    javaSharedLib,
+		"nativeExecutable": nativeExecutable,
+		"nativeSharedLib":  nativeSharedLib,
+		"nativeTest":       nativeTest,
+		"pyBinary":         pyBinary,
+		"shBinary":         shBinary,
+	}
+)
+
 // apexFile represents a file in an APEX bundle. This is created during the first half of
 // GenerateAndroidBuildActions by traversing the dependencies of the APEX. Then in the second half
 // of the function, this is used to create commands that copies the files into a staging directory,
@@ -543,6 +558,10 @@
 
 	multilib string
 
+	isBazelPrebuilt     bool
+	unstrippedBuiltFile android.Path
+	arch                string
+
 	// TODO(jiyong): remove this
 	module android.Module
 }
@@ -974,6 +993,9 @@
 		if !useVndk {
 			mctx.PropertyErrorf("use_vndk_as_stable", "not supported for system/system_ext APEXes")
 		}
+		if a.minSdkVersionValue(mctx) != "" {
+			mctx.PropertyErrorf("use_vndk_as_stable", "not supported when min_sdk_version is set")
+		}
 		mctx.VisitDirectDepsWithTag(sharedLibTag, func(dep android.Module) {
 			if c, ok := dep.(*cc.Module); ok && c.IsVndk() {
 				mctx.PropertyErrorf("use_vndk_as_stable", "Trying to include a VNDK library(%s) while use_vndk_as_stable is true.", dep.Name())
@@ -1710,6 +1732,7 @@
 	// NB: Since go binaries are static we don't need the module for anything here, which is
 	// good since the go tool is a blueprint.Module not an android.Module like we would
 	// normally use.
+	//
 	return newApexFile(ctx, fileToCopy, depName, dirInApex, goBinary, nil)
 }
 
@@ -2003,13 +2026,41 @@
 		panic(fmt.Errorf("internal error: unexpected apex_type for the ProcessBazelQueryResponse: %v", a.properties.ApexType))
 	}
 
-	// filesInfo is not set in mixed mode, because all information about the
-	// apex's contents should completely come from the Starlark providers.
+	// filesInfo in mixed mode must retrieve all information about the apex's
+	// contents completely from the Starlark providers. It should never rely on
+	// Android.bp information, as they might not exist for fully migrated
+	// dependencies.
 	//
 	// Prevent accidental writes to filesInfo in the earlier parts Soong by
 	// asserting it to be nil.
 	if a.filesInfo != nil {
-		panic(fmt.Errorf("internal error: filesInfo must be nil for an apex handled by Bazel."))
+		panic(
+			fmt.Errorf("internal error: filesInfo must be nil for an apex handled by Bazel. " +
+				"Did something else set filesInfo before this line of code?"))
+	}
+	for _, f := range outputs.PayloadFilesInfo {
+		fileInfo := apexFile{
+			isBazelPrebuilt: true,
+
+			builtFile:           android.PathForBazelOut(ctx, f["built_file"]),
+			unstrippedBuiltFile: android.PathForBazelOut(ctx, f["unstripped_built_file"]),
+			androidMkModuleName: f["make_module_name"],
+			installDir:          f["install_dir"],
+			class:               classes[f["class"]],
+			customStem:          f["basename"],
+			moduleDir:           f["package"],
+		}
+
+		arch := f["arch"]
+		fileInfo.arch = arch
+		if len(arch) > 0 {
+			fileInfo.multilib = "lib32"
+			if strings.HasSuffix(arch, "64") {
+				fileInfo.multilib = "lib64"
+			}
+		}
+
+		a.filesInfo = append(a.filesInfo, fileInfo)
 	}
 }
 
@@ -2977,8 +3028,8 @@
 		if a.UsePlatformApis() {
 			ctx.PropertyErrorf("updatable", "updatable APEXes can't use platform APIs")
 		}
-		if a.SocSpecific() || a.DeviceSpecific() {
-			ctx.PropertyErrorf("updatable", "vendor APEXes are not updatable")
+		if proptools.Bool(a.properties.Use_vndk_as_stable) {
+			ctx.PropertyErrorf("use_vndk_as_stable", "updatable APEXes can't use external VNDK libs")
 		}
 		if a.FutureUpdatable() {
 			ctx.PropertyErrorf("future_updatable", "Already updatable. Remove `future_updatable: true:`")
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 1f33eca..c9665a4 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -1927,13 +1927,13 @@
 	expectNoLink("libx", "shared_apex10000", "libz", "shared")
 }
 
-func TestApexMinSdkVersion_crtobjectInVendorApex(t *testing.T) {
+func TestApexMinSdkVersion_InVendorApex(t *testing.T) {
 	ctx := testApex(t, `
 		apex {
 			name: "myapex",
 			key: "myapex.key",
 			native_shared_libs: ["mylib"],
-			updatable: false,
+			updatable: true,
 			vendor: true,
 			min_sdk_version: "29",
 		}
@@ -1946,20 +1946,34 @@
 
 		cc_library {
 			name: "mylib",
+			srcs: ["mylib.cpp"],
 			vendor_available: true,
-			system_shared_libs: [],
-			stl: "none",
-			apex_available: [ "myapex" ],
 			min_sdk_version: "29",
+			shared_libs: ["libbar"],
+		}
+
+		cc_library {
+			name: "libbar",
+			stubs: { versions: ["29", "30"] },
+			llndk: { symbol_file: "libbar.map.txt" },
 		}
 	`)
 
 	vendorVariant := "android_vendor.29_arm64_armv8-a"
 
-	// First check that the correct variant of crtbegin_so is used.
-	ldRule := ctx.ModuleForTests("mylib", vendorVariant+"_shared_apex29").Rule("ld")
-	crtBegin := names(ldRule.Args["crtBegin"])
-	ensureListContains(t, crtBegin, "out/soong/.intermediates/"+cc.DefaultCcCommonTestModulesDir+"crtbegin_so/"+vendorVariant+"_apex29/crtbegin_so.o")
+	mylib := ctx.ModuleForTests("mylib", vendorVariant+"_shared_myapex")
+
+	// Ensure that mylib links with "current" LLNDK
+	libFlags := names(mylib.Rule("ld").Args["libFlags"])
+	ensureListContains(t, libFlags, "out/soong/.intermediates/libbar/"+vendorVariant+"_shared_current/libbar.so")
+
+	// Ensure that mylib is targeting 29
+	ccRule := ctx.ModuleForTests("mylib", vendorVariant+"_static_apex29").Output("obj/mylib.o")
+	ensureContains(t, ccRule.Args["cFlags"], "-target aarch64-linux-android29")
+
+	// Ensure that the correct variant of crtbegin_so is used.
+	crtBegin := mylib.Rule("ld").Args["crtBegin"]
+	ensureContains(t, crtBegin, "out/soong/.intermediates/"+cc.DefaultCcCommonTestModulesDir+"crtbegin_so/"+vendorVariant+"_apex29/crtbegin_so.o")
 
 	// Ensure that the crtbegin_so used by the APEX is targeting 29
 	cflags := ctx.ModuleForTests("crtbegin_so", vendorVariant+"_apex29").Rule("cc").Args["cFlags"]
@@ -7860,12 +7874,13 @@
 	`)
 }
 
-func TestUpdatable_cannot_be_vendor_apex(t *testing.T) {
-	testApexError(t, `"myapex" .*: updatable: vendor APEXes are not updatable`, `
+func Test_use_vndk_as_stable_shouldnt_be_used_for_updatable_vendor_apexes(t *testing.T) {
+	testApexError(t, `"myapex" .*: use_vndk_as_stable: updatable APEXes can't use external VNDK libs`, `
 		apex {
 			name: "myapex",
 			key: "myapex.key",
 			updatable: true,
+			use_vndk_as_stable: true,
 			soc_specific: true,
 		}
 
@@ -7877,6 +7892,42 @@
 	`)
 }
 
+func Test_use_vndk_as_stable_shouldnt_be_used_with_min_sdk_version(t *testing.T) {
+	testApexError(t, `"myapex" .*: use_vndk_as_stable: not supported when min_sdk_version is set`, `
+		apex {
+			name: "myapex",
+			key: "myapex.key",
+			updatable: false,
+			min_sdk_version: "29",
+			use_vndk_as_stable: true,
+			vendor: true,
+		}
+
+		apex_key {
+			name: "myapex.key",
+			public_key: "testkey.avbpubkey",
+			private_key: "testkey.pem",
+		}
+	`)
+}
+
+func Test_use_vndk_as_stable_shouldnt_be_used_for_non_vendor_apexes(t *testing.T) {
+	testApexError(t, `"myapex" .*: use_vndk_as_stable: not supported for system/system_ext APEXes`, `
+		apex {
+			name: "myapex",
+			key: "myapex.key",
+			updatable: false,
+			use_vndk_as_stable: true,
+		}
+
+		apex_key {
+			name: "myapex.key",
+			public_key: "testkey.avbpubkey",
+			private_key: "testkey.pem",
+		}
+	`)
+}
+
 func TestUpdatable_should_not_set_generate_classpaths_proto(t *testing.T) {
 	testApexError(t, `"mysystemserverclasspathfragment" .* it must not set generate_classpaths_proto to false`, `
 		apex {
diff --git a/apex/bp2build_test.go b/apex/bp2build_test.go
index 2f2b61e..2a0f6e9 100644
--- a/apex/bp2build_test.go
+++ b/apex/bp2build_test.go
@@ -25,6 +25,7 @@
 apex_key{
 	name: "foo_key",
 }
+
 apex {
 	name: "foo",
 	key: "foo_key",
@@ -59,6 +60,16 @@
 						ProvidesLibs: []string{"a", "b"},
 
 						// ApexMkInfo Starlark provider
+						PayloadFilesInfo: []map[string]string{
+							{
+								"built_file":       "bazel-out/adbd",
+								"install_dir":      "bin",
+								"class":            "nativeExecutable",
+								"make_module_name": "adbd",
+								"basename":         "adbd",
+								"package":          "foo",
+							},
+						},
 						MakeModulesToInstall: []string{"c"}, // d deliberately omitted
 					},
 				},
@@ -68,10 +79,12 @@
 
 	m := result.ModuleForTests("foo", "android_common_foo_image").Module()
 	ab, ok := m.(*apexBundle)
+
 	if !ok {
 		t.Fatalf("Expected module to be an apexBundle, was not")
 	}
 
+	// TODO: refactor to android.AssertStringEquals
 	if w, g := "out/bazel/execroot/__main__/public_key", ab.publicKeyFile.String(); w != g {
 		t.Errorf("Expected public key %q, got %q", w, g)
 	}
@@ -120,11 +133,136 @@
 	if len(ab.makeModulesToInstall) != 1 && ab.makeModulesToInstall[0] != "c" {
 		t.Errorf("Expected makeModulesToInstall slice to only contain 'c', got %q", ab.makeModulesToInstall)
 	}
-	if w := "LOCAL_REQUIRED_MODULES := c"; !strings.Contains(data, w) {
+	if w := "LOCAL_REQUIRED_MODULES := adbd.foo c"; !strings.Contains(data, w) {
 		t.Errorf("Expected %q in androidmk data, but did not find it in %q", w, data)
 	}
 }
 
+func TestApexImageCreatesFilesInfoForMake(t *testing.T) {
+	bp := `
+apex_key{
+	name: "foo_key",
+}
+
+apex {
+	name: "foo",
+	key: "foo_key",
+	updatable: true,
+	min_sdk_version: "31",
+	file_contexts: ":myapex-file_contexts",
+	bazel_module: { label: "//:foo" },
+}`
+
+	outputBaseDir := "out/bazel"
+	result := android.GroupFixturePreparers(
+		prepareForApexTest,
+		android.FixtureModifyConfig(func(config android.Config) {
+			config.BazelContext = android.MockBazelContext{
+				OutputBaseDir: outputBaseDir,
+				LabelToApexInfo: map[string]cquery.ApexInfo{
+					"//:foo": {
+						// ApexInfo Starlark provider. Necessary for the test.
+						SignedOutput:     "signed_out.apex",
+						BundleKeyInfo:    []string{"public_key", "private_key"},
+						ContainerKeyInfo: []string{"container_cert", "container_private"},
+
+						// ApexMkInfo Starlark provider
+						PayloadFilesInfo: []map[string]string{
+							{
+								"arch":                  "arm64",
+								"basename":              "libcrypto.so",
+								"built_file":            "bazel-out/64/libcrypto.so",
+								"class":                 "nativeSharedLib",
+								"install_dir":           "lib64",
+								"make_module_name":      "libcrypto",
+								"package":               "foo/bar",
+								"unstripped_built_file": "bazel-out/64/unstripped_libcrypto.so",
+							},
+							{
+								"arch":             "arm",
+								"basename":         "libcrypto.so",
+								"built_file":       "bazel-out/32/libcrypto.so",
+								"class":            "nativeSharedLib",
+								"install_dir":      "lib",
+								"make_module_name": "libcrypto",
+								"package":          "foo/bar",
+							},
+							{
+								"arch":             "arm64",
+								"basename":         "adbd",
+								"built_file":       "bazel-out/adbd",
+								"class":            "nativeExecutable",
+								"install_dir":      "bin",
+								"make_module_name": "adbd",
+								"package":          "foo",
+							},
+						},
+					},
+				},
+			}
+		}),
+	).RunTestWithBp(t, bp)
+
+	m := result.ModuleForTests("foo", "android_common_foo_image").Module()
+	ab, ok := m.(*apexBundle)
+
+	if !ok {
+		t.Fatalf("Expected module to be an apexBundle, was not")
+	}
+
+	expectedFilesInfo := []apexFile{
+		{
+			androidMkModuleName: "libcrypto",
+			builtFile:           android.PathForTesting("out/bazel/execroot/__main__/bazel-out/64/libcrypto.so"),
+			class:               nativeSharedLib,
+			customStem:          "libcrypto.so",
+			installDir:          "lib64",
+			moduleDir:           "foo/bar",
+			arch:                "arm64",
+			unstrippedBuiltFile: android.PathForTesting("out/bazel/execroot/__main__/bazel-out/64/unstripped_libcrypto.so"),
+		},
+		{
+			androidMkModuleName: "libcrypto",
+			builtFile:           android.PathForTesting("out/bazel/execroot/__main__/bazel-out/32/libcrypto.so"),
+			class:               nativeSharedLib,
+			customStem:          "libcrypto.so",
+			installDir:          "lib",
+			moduleDir:           "foo/bar",
+			arch:                "arm",
+		},
+		{
+			androidMkModuleName: "adbd",
+			builtFile:           android.PathForTesting("out/bazel/execroot/__main__/bazel-out/adbd"),
+			class:               nativeExecutable,
+			customStem:          "adbd",
+			installDir:          "bin",
+			moduleDir:           "foo",
+			arch:                "arm64",
+		},
+	}
+
+	if len(ab.filesInfo) != len(expectedFilesInfo) {
+		t.Errorf("Expected %d entries in ab.filesInfo, but got %d", len(ab.filesInfo), len(expectedFilesInfo))
+	}
+
+	for idx, f := range ab.filesInfo {
+		expected := expectedFilesInfo[idx]
+		android.AssertSame(t, "different class", expected.class, f.class)
+		android.AssertStringEquals(t, "different built file", expected.builtFile.String(), f.builtFile.String())
+		android.AssertStringEquals(t, "different custom stem", expected.customStem, f.customStem)
+		android.AssertStringEquals(t, "different install dir", expected.installDir, f.installDir)
+		android.AssertStringEquals(t, "different make module name", expected.androidMkModuleName, f.androidMkModuleName)
+		android.AssertStringEquals(t, "different moduleDir", expected.moduleDir, f.moduleDir)
+		android.AssertStringEquals(t, "different arch", expected.arch, f.arch)
+		if expected.unstrippedBuiltFile != nil {
+			if f.unstrippedBuiltFile == nil {
+				t.Errorf("expected an unstripped built file path.")
+			}
+			android.AssertStringEquals(t, "different unstripped built file", expected.unstrippedBuiltFile.String(), f.unstrippedBuiltFile.String())
+		}
+	}
+}
+
 func TestCompressedApexImageInMixedBuilds(t *testing.T) {
 	bp := `
 apex_key{
diff --git a/apex/prebuilt.go b/apex/prebuilt.go
index 0997a68..cae507e 100644
--- a/apex/prebuilt.go
+++ b/apex/prebuilt.go
@@ -35,11 +35,12 @@
 		blueprint.RuleParams{
 			Command: `rm -rf "$out" && ` +
 				`${extract_apks} -o "${out}" -allow-prereleased=${allow-prereleased} ` +
-				`-sdk-version=${sdk-version} -abis=${abis} -screen-densities=all -extract-single ` +
+				`-sdk-version=${sdk-version} -skip-sdk-check=${skip-sdk-check} -abis=${abis} ` +
+				`-screen-densities=all -extract-single ` +
 				`${in}`,
 			CommandDeps: []string{"${extract_apks}"},
 		},
-		"abis", "allow-prereleased", "sdk-version")
+		"abis", "allow-prereleased", "sdk-version", "skip-sdk-check")
 )
 
 type prebuilt interface {
@@ -845,6 +846,7 @@
 				"abis":              strings.Join(abis, ","),
 				"allow-prereleased": strconv.FormatBool(proptools.BoolDefault(p.properties.Prerelease, defaultAllowPrerelease)),
 				"sdk-version":       ctx.Config().PlatformSdkVersion().String(),
+				"skip-sdk-check":    strconv.FormatBool(ctx.Config().IsEnvTrue("SOONG_SKIP_APPSET_SDK_CHECK")),
 			},
 		})
 }
diff --git a/apex/vndk.go b/apex/vndk.go
index c0be753..095e89d 100644
--- a/apex/vndk.go
+++ b/apex/vndk.go
@@ -72,12 +72,14 @@
 		}
 
 		targets := mctx.MultiTargets()
-		if len(targets) > 0 && apiLevel.LessThan(cc.MinApiForArch(mctx, targets[0].Arch.ArchType)) {
-			// Disable VNDK apexes for VNDK versions less than the minimum supported API level for the primary
-			// architecture.
+		if len(targets) > 0 && apiLevel.LessThan(cc.MinApiForArch(mctx, targets[0].Arch.ArchType)) &&
+			vndkVersion != mctx.DeviceConfig().PlatformVndkVersion() {
+			// Disable VNDK APEXes for VNDK versions less than the minimum supported API
+			// level for the primary architecture. This validation is skipped if the VNDK
+			// version matches the platform VNDK version, which can occur when the device
+			// config targets the 'current' VNDK (see `vndkVersion`).
 			ab.Disable()
 		}
-
 	}
 }
 
diff --git a/bazel/cquery/request_type.go b/bazel/cquery/request_type.go
index 0c8247a..bf3a6b5 100644
--- a/bazel/cquery/request_type.go
+++ b/bazel/cquery/request_type.go
@@ -197,7 +197,7 @@
     local_whole_static_libs = androidmk_info.local_whole_static_libs
     local_shared_libs = androidmk_info.local_shared_libs
 
-return json_encode({
+return json.encode({
     "OutputFiles": outputFiles,
     "CcObjectFiles": ccObjectFiles,
     "CcSharedLibraryFiles": sharedLibraries,
@@ -266,7 +266,7 @@
 if clang_tidy_info:
     tidy_files = [v.path for v in clang_tidy_info.transitive_tidy_files.to_list()]
 
-return json_encode({
+return json.encode({
     "signed_output": info.signed_output.path,
     "signed_compressed_output": signed_compressed_output,
     "unsigned_output": info.unsigned_output.path,
@@ -281,6 +281,7 @@
     "bundle_file": info.base_with_config_zip.path,
     "installed_files": info.installed_files.path,
     "make_modules_to_install": mk_info.make_modules_to_install,
+    "files_info": mk_info.files_info,
     "tidy_files": [t for t in tidy_files],
 })`
 }
@@ -303,7 +304,8 @@
 	TidyFiles              []string `json:"tidy_files"`
 
 	// From the ApexMkInfo provider
-	MakeModulesToInstall []string `json:"make_modules_to_install"`
+	MakeModulesToInstall []string            `json:"make_modules_to_install"`
+	PayloadFilesInfo     []map[string]string `json:"files_info"`
 }
 
 // ParseResult returns a value obtained by parsing the result of the request's Starlark function.
@@ -333,7 +335,7 @@
 unstripped_tag = "//build/bazel/rules/cc:stripped_cc_common.bzl%CcUnstrippedInfo"
 if unstripped_tag in p:
     unstripped_info = p[unstripped_tag]
-    unstripped = unstripped_info.unstripped.files.to_list()[0].path
+    unstripped = unstripped_info.unstripped[0].files.to_list()[0].path
 
 local_static_libs = []
 local_whole_static_libs = []
@@ -350,7 +352,7 @@
 if clang_tidy_info:
     tidy_files = [v.path for v in clang_tidy_info.transitive_tidy_files.to_list()]
 
-return json_encode({
+return json.encode({
     "OutputFile":  output_path,
     "UnstrippedOutput": unstripped,
     "LocalStaticLibs": [l for l in local_static_libs],
diff --git a/bp2build/aar_conversion_test.go b/bp2build/aar_conversion_test.go
index 0cda5dd..6020ee5 100644
--- a/bp2build/aar_conversion_test.go
+++ b/bp2build/aar_conversion_test.go
@@ -171,3 +171,39 @@
 			MakeNeverlinkDuplicateTarget("android_library", "TestLib"),
 		}})
 }
+
+func TestConvertAndroidLibraryKotlinCflags(t *testing.T) {
+	t.Helper()
+	RunBp2BuildTestCase(t, func(ctx android.RegistrationContext) {}, Bp2buildTestCase{
+		Description:                "Android Library with .kt srcs and kotlincflags ",
+		ModuleTypeUnderTest:        "android_library",
+		ModuleTypeUnderTestFactory: java.AndroidLibraryFactory,
+		Filesystem: map[string]string{
+			"AndroidManifest.xml": "",
+		},
+		Blueprint: `
+android_library {
+        name: "TestLib",
+        srcs: ["a.java", "b.kt"],
+        kotlincflags: ["-flag1", "-flag2"],
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget(
+				"android_library",
+				"TestLib",
+				AttrNameToString{
+					"srcs": `[
+        "a.java",
+        "b.kt",
+    ]`,
+					"kotlincflags": `[
+        "-flag1",
+        "-flag2",
+    ]`,
+					"manifest":       `"AndroidManifest.xml"`,
+					"resource_files": `[]`,
+				}),
+			MakeNeverlinkDuplicateTarget("android_library", "TestLib"),
+		}})
+}
diff --git a/bp2build/android_app_conversion_test.go b/bp2build/android_app_conversion_test.go
index 4d18f83..ef3f124 100644
--- a/bp2build/android_app_conversion_test.go
+++ b/bp2build/android_app_conversion_test.go
@@ -306,3 +306,88 @@
 			}),
 		}})
 }
+
+func TestAndroidAppKotlinCflags(t *testing.T) {
+	runAndroidAppTestCase(t, Bp2buildTestCase{
+		Description:                "Android app with kotlincflags",
+		ModuleTypeUnderTest:        "android_app",
+		ModuleTypeUnderTestFactory: java.AndroidAppFactory,
+		Filesystem: map[string]string{
+			"res/res.png": "",
+		},
+		Blueprint: simpleModuleDoNotConvertBp2build("filegroup", "foocert") + `
+android_app {
+        name: "foo",
+        srcs: ["a.java", "b.kt"],
+        certificate: ":foocert",
+        manifest: "fooManifest.xml",
+        kotlincflags: ["-flag1", "-flag2"],
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("android_library", "foo_kt", AttrNameToString{
+				"srcs": `[
+        "a.java",
+        "b.kt",
+    ]`,
+				"manifest":       `"fooManifest.xml"`,
+				"resource_files": `["res/res.png"]`,
+				"kotlincflags": `[
+        "-flag1",
+        "-flag2",
+    ]`,
+			}),
+			MakeBazelTarget("android_binary", "foo", AttrNameToString{
+				"deps":        `[":foo_kt"]`,
+				"certificate": `":foocert"`,
+				"manifest":    `"fooManifest.xml"`,
+			}),
+		}})
+}
+
+func TestAndroidAppMinSdkProvided(t *testing.T) {
+	runAndroidAppTestCase(t, Bp2buildTestCase{
+		Description:                "Android app with value for min_sdk_version",
+		ModuleTypeUnderTest:        "android_app",
+		ModuleTypeUnderTestFactory: java.AndroidAppFactory,
+		Filesystem:                 map[string]string{},
+		Blueprint: simpleModuleDoNotConvertBp2build("filegroup", "foocert") + `
+android_app {
+        name: "foo",
+        sdk_version: "current",
+				min_sdk_version: "24",
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("android_binary", "foo", AttrNameToString{
+				"manifest":       `"AndroidManifest.xml"`,
+				"resource_files": `[]`,
+				"manifest_values": `{
+        "minSdkVersion": "24",
+    }`,
+			}),
+		}})
+}
+
+func TestAndroidAppMinSdkDefaultToSdkVersion(t *testing.T) {
+	runAndroidAppTestCase(t, Bp2buildTestCase{
+		Description:                "Android app with value for sdk_version",
+		ModuleTypeUnderTest:        "android_app",
+		ModuleTypeUnderTestFactory: java.AndroidAppFactory,
+		Filesystem:                 map[string]string{},
+		Blueprint: simpleModuleDoNotConvertBp2build("filegroup", "foocert") + `
+android_app {
+        name: "foo",
+        sdk_version: "30",
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("android_binary", "foo", AttrNameToString{
+				"manifest":       `"AndroidManifest.xml"`,
+				"resource_files": `[]`,
+				"manifest_values": `{
+        "minSdkVersion": "30",
+    }`,
+			}),
+		}})
+}
diff --git a/bp2build/apex_conversion_test.go b/bp2build/apex_conversion_test.go
index 73c889f..03fb5d4 100644
--- a/bp2build/apex_conversion_test.go
+++ b/bp2build/apex_conversion_test.go
@@ -1191,9 +1191,9 @@
 				"tags":              `["apex_available=myapex"]`,
 			}),
 			MakeBazelTarget("cc_stub_suite", "foo_stub_libs", AttrNameToString{
-				"soname":         `"foo.so"`,
-				"source_library": `":foo"`,
-				"symbol_file":    `"foo.map.txt"`,
+				"soname":               `"foo.so"`,
+				"source_library_label": `"//:foo"`,
+				"symbol_file":          `"foo.map.txt"`,
 				"versions": `[
         "28",
         "29",
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index e20cffd..48e93cd 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -2780,9 +2780,9 @@
 		"stubs_symbol_file": `"a.map.txt"`,
 	})
 	expectedBazelTargets = append(expectedBazelTargets, makeCcStubSuiteTargets("a", AttrNameToString{
-		"soname":            `"a.so"`,
-		"source_library":    `":a"`,
-		"stubs_symbol_file": `"a.map.txt"`,
+		"soname":               `"a.so"`,
+		"source_library_label": `"//foo/bar:a"`,
+		"stubs_symbol_file":    `"a.map.txt"`,
 		"stubs_versions": `[
         "28",
         "29",
@@ -3035,7 +3035,7 @@
 }`,
 		ExpectedBazelTargets: makeCcLibraryTargets("foolib", AttrNameToString{
 			"implementation_dynamic_deps": `select({
-        "//build/bazel/rules/apex:android-in_apex": [":barlib_stub_libs_current"],
+        "//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:barlib"],
         "//conditions:default": [":barlib"],
     })`,
 			"local_includes": `["."]`,
@@ -3088,8 +3088,8 @@
         "//build/bazel/platforms/os:linux_musl": [":quxlib"],
         "//build/bazel/platforms/os:windows": [":quxlib"],
         "//build/bazel/rules/apex:android-in_apex": [
-            ":barlib_stub_libs_current",
-            ":quxlib_stub_libs_current",
+            "@api_surfaces//module-libapi/current:barlib",
+            "@api_surfaces//module-libapi/current:quxlib",
         ],
         "//conditions:default": [
             ":barlib",
@@ -3591,42 +3591,57 @@
 	})
 }
 
-func TestCcLibraryWithAidlAndSharedLibs(t *testing.T) {
+func TestCcLibraryWithAidlAndLibs(t *testing.T) {
 	runCcLibraryTestCase(t, Bp2buildTestCase{
-		Description:                "cc_aidl_library depends on shared libs from parent cc_library_static",
+		Description:                "cc_aidl_library depends on libs from parent cc_library_static",
 		ModuleTypeUnderTest:        "cc_library",
 		ModuleTypeUnderTestFactory: cc.LibraryFactory,
 		Blueprint: `
 cc_library_static {
-    name: "foo",
-    srcs: [
-        "Foo.aidl",
-    ],
+	name: "foo",
+	srcs: [
+		"Foo.aidl",
+	],
+	static_libs: [
+		"bar-static",
+		"baz-static",
+	],
 	shared_libs: [
-		"bar",
-		"baz",
+		"bar-shared",
+		"baz-shared",
+	],
+	export_static_lib_headers: [
+		"baz-static",
 	],
 	export_shared_lib_headers: [
-		"baz",
+		"baz-shared",
 	],
 }` +
-			simpleModuleDoNotConvertBp2build("cc_library", "bar") +
-			simpleModuleDoNotConvertBp2build("cc_library", "baz"),
+			simpleModuleDoNotConvertBp2build("cc_library_static", "bar-static") +
+			simpleModuleDoNotConvertBp2build("cc_library_static", "baz-static") +
+			simpleModuleDoNotConvertBp2build("cc_library", "bar-shared") +
+			simpleModuleDoNotConvertBp2build("cc_library", "baz-shared"),
 		ExpectedBazelTargets: []string{
 			MakeBazelTarget("aidl_library", "foo_aidl_library", AttrNameToString{
 				"srcs": `["Foo.aidl"]`,
 			}),
 			MakeBazelTarget("cc_aidl_library", "foo_cc_aidl_library", AttrNameToString{
 				"deps": `[":foo_aidl_library"]`,
+				"implementation_deps": `[
+        ":baz-static",
+        ":bar-static",
+    ]`,
 				"implementation_dynamic_deps": `[
-        ":baz",
-        ":bar",
+        ":baz-shared",
+        ":bar-shared",
     ]`,
 			}),
 			MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
 				"implementation_whole_archive_deps": `[":foo_cc_aidl_library"]`,
-				"dynamic_deps":                      `[":baz"]`,
-				"implementation_dynamic_deps":       `[":bar"]`,
+				"deps":                              `[":baz-static"]`,
+				"implementation_deps":               `[":bar-static"]`,
+				"dynamic_deps":                      `[":baz-shared"]`,
+				"implementation_dynamic_deps":       `[":bar-shared"]`,
 				"local_includes":                    `["."]`,
 			}),
 		},
@@ -3640,8 +3655,17 @@
 		ModuleTypeUnderTestFactory: cc.LibraryFactory,
 		Blueprint: `
 cc_library_static {
-    name: "foo",
-    srcs: ["foo.cpp"],
+	name: "foo",
+	srcs: ["foo.cpp"],
+}
+cc_library_static {
+	name: "foo-no-tidy",
+	srcs: ["foo.cpp"],
+	tidy: false,
+}
+cc_library_static {
+	name: "foo-tidy",
+	srcs: ["foo.cpp"],
 	tidy: true,
 	tidy_checks: ["check1", "check2"],
 	tidy_checks_as_errors: ["check1error", "check2error"],
@@ -3652,7 +3676,16 @@
 			MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
 				"local_includes": `["."]`,
 				"srcs":           `["foo.cpp"]`,
-				"tidy":           `True`,
+			}),
+			MakeBazelTarget("cc_library_static", "foo-no-tidy", AttrNameToString{
+				"local_includes": `["."]`,
+				"srcs":           `["foo.cpp"]`,
+				"tidy":           `"never"`,
+			}),
+			MakeBazelTarget("cc_library_static", "foo-tidy", AttrNameToString{
+				"local_includes": `["."]`,
+				"srcs":           `["foo.cpp"]`,
+				"tidy":           `"local"`,
 				"tidy_checks": `[
         "check1",
         "check2",
@@ -4112,11 +4145,11 @@
 		ExpectedBazelTargets: []string{
 			MakeBazelTarget("cc_library_static", "foo_bp2build_cc_library_static", AttrNameToString{
 				"implementation_dynamic_deps": `select({
-        "//build/bazel/rules/apex:android-in_apex": [":barlib_stub_libs_current"],
+        "//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:barlib"],
         "//conditions:default": [":barlib"],
     })`,
 				"dynamic_deps": `select({
-        "//build/bazel/rules/apex:android-in_apex": [":bazlib_stub_libs_current"],
+        "//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:bazlib"],
         "//conditions:default": [":bazlib"],
     })`,
 				"local_includes": `["."]`,
@@ -4124,11 +4157,11 @@
 			}),
 			MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
 				"implementation_dynamic_deps": `select({
-        "//build/bazel/rules/apex:android-in_apex": [":barlib_stub_libs_current"],
+        "//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:barlib"],
         "//conditions:default": [":barlib"],
     })`,
 				"dynamic_deps": `select({
-        "//build/bazel/rules/apex:android-in_apex": [":bazlib_stub_libs_current"],
+        "//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:bazlib"],
         "//conditions:default": [":bazlib"],
     })`,
 				"local_includes": `["."]`,
diff --git a/bp2build/cc_library_shared_conversion_test.go b/bp2build/cc_library_shared_conversion_test.go
index 838b297..b685a2c 100644
--- a/bp2build/cc_library_shared_conversion_test.go
+++ b/bp2build/cc_library_shared_conversion_test.go
@@ -540,9 +540,9 @@
 		},
 		Blueprint: soongCcLibraryPreamble,
 		ExpectedBazelTargets: []string{makeCcStubSuiteTargets("a", AttrNameToString{
-			"soname":            `"a.so"`,
-			"source_library":    `":a"`,
-			"stubs_symbol_file": `"a.map.txt"`,
+			"soname":               `"a.so"`,
+			"source_library_label": `"//foo/bar:a"`,
+			"stubs_symbol_file":    `"a.map.txt"`,
 			"stubs_versions": `[
         "28",
         "29",
diff --git a/bp2build/cc_library_static_conversion_test.go b/bp2build/cc_library_static_conversion_test.go
index d16c5cc..7c18037 100644
--- a/bp2build/cc_library_static_conversion_test.go
+++ b/bp2build/cc_library_static_conversion_test.go
@@ -1553,7 +1553,7 @@
 			}),
 			MakeBazelTarget("cc_library_static", "keep_with_stubs", AttrNameToString{
 				"implementation_dynamic_deps": `select({
-        "//build/bazel/rules/apex:android-in_apex": [":libm_stub_libs_current"],
+        "//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:libm"],
         "//conditions:default": [":libm"],
     })`,
 				"system_dynamic_deps": `[]`,
diff --git a/bp2build/cc_prebuilt_library_conversion_test.go b/bp2build/cc_prebuilt_library_conversion_test.go
index 2fe158e..c5a6dfd 100644
--- a/bp2build/cc_prebuilt_library_conversion_test.go
+++ b/bp2build/cc_prebuilt_library_conversion_test.go
@@ -39,6 +39,10 @@
 				MakeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static", AttrNameToString{
 					"static_library": `"libf.so"`,
 				}),
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static_alwayslink", AttrNameToString{
+					"static_library": `"libf.so"`,
+					"alwayslink":     "True",
+				}),
 				MakeBazelTarget("cc_prebuilt_library_shared", "libtest", AttrNameToString{
 					"shared_library": `"libf.so"`,
 				}),
@@ -71,8 +75,14 @@
         "//build/bazel/platforms/arch:arm": "libg.so",
         "//build/bazel/platforms/arch:arm64": "libf.so",
         "//conditions:default": None,
-    })`,
-				}),
+    })`}),
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static_alwayslink", AttrNameToString{
+					"alwayslink": "True",
+					"static_library": `select({
+        "//build/bazel/platforms/arch:arm": "libg.so",
+        "//build/bazel/platforms/arch:arm64": "libf.so",
+        "//conditions:default": None,
+    })`}),
 				MakeBazelTarget("cc_prebuilt_library_shared", "libtest", AttrNameToString{
 					"shared_library": `select({
         "//build/bazel/platforms/arch:arm": "libg.so",
@@ -109,6 +119,12 @@
 					"export_includes":        `["testdir/1/"]`,
 					"export_system_includes": `["testdir/2/"]`,
 				}),
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static_alwayslink", AttrNameToString{
+					"static_library":         `"libf.so"`,
+					"export_includes":        `["testdir/1/"]`,
+					"export_system_includes": `["testdir/2/"]`,
+					"alwayslink":             "True",
+				}),
 				// TODO(b/229374533): When fixed, update this test
 				MakeBazelTarget("cc_prebuilt_library_shared", "libtest", AttrNameToString{
 					"shared_library": `"libf.so"`,
@@ -188,6 +204,10 @@
 				MakeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static", AttrNameToString{
 					"static_library": `"libf.so"`,
 				}),
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static_alwayslink", AttrNameToString{
+					"static_library": `"libf.so"`,
+					"alwayslink":     "True",
+				}),
 				MakeBazelTarget("cc_prebuilt_library_shared", "libtest", AttrNameToString{
 					"shared_library": `"libg.so"`,
 				}),
@@ -245,6 +265,10 @@
 //				makeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static", attrNameToString{
 //					"static_library": `"libf.so"`,
 //				}),
+//				makeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static_always", attrNameToString{
+//					"static_library": `"libf.so"`,
+//					"alwayslink": "True",
+//				}),
 //			},
 //		})
 //}
diff --git a/bp2build/cc_prebuilt_library_static_test.go b/bp2build/cc_prebuilt_library_static_test.go
index 6116b00..17da813 100644
--- a/bp2build/cc_prebuilt_library_static_test.go
+++ b/bp2build/cc_prebuilt_library_static_test.go
@@ -39,6 +39,10 @@
 				MakeBazelTarget("cc_prebuilt_library_static", "libtest", AttrNameToString{
 					"static_library": `"libf.so"`,
 				}),
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest_alwayslink", AttrNameToString{
+					"static_library": `"libf.so"`,
+					"alwayslink":     "True",
+				}),
 			},
 		})
 }
@@ -68,8 +72,14 @@
         "//build/bazel/platforms/arch:arm": "libg.so",
         "//build/bazel/platforms/arch:arm64": "libf.so",
         "//conditions:default": None,
-    })`,
-				}),
+    })`}),
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest_alwayslink", AttrNameToString{
+					"alwayslink": "True",
+					"static_library": `select({
+        "//build/bazel/platforms/arch:arm": "libg.so",
+        "//build/bazel/platforms/arch:arm64": "libf.so",
+        "//conditions:default": None,
+    })`}),
 			},
 		})
 }
diff --git a/bp2build/java_binary_host_conversion_test.go b/bp2build/java_binary_host_conversion_test.go
index 6f17e34..1b9777c 100644
--- a/bp2build/java_binary_host_conversion_test.go
+++ b/bp2build/java_binary_host_conversion_test.go
@@ -56,11 +56,9 @@
     java_version: "8",
 }`,
 		ExpectedBazelTargets: []string{
-			MakeBazelTarget("java_binary", "java-binary-host-1", AttrNameToString{
-				"srcs":       `["a.java"]`,
-				"main_class": `"com.android.test.MainClass"`,
-				"deps":       `["//other:jni-lib-1"]`,
-				"jvm_flags":  `["-Djava.library.path=$${RUNPATH}other"]`,
+			MakeBazelTarget("java_library", "java-binary-host-1_lib", AttrNameToString{
+				"srcs": `["a.java"]`,
+				"deps": `["//other:jni-lib-1"]`,
 				"javacopts": `[
         "-Xdoclint:all/protected",
         "-source 1.8 -target 1.8",
@@ -68,8 +66,15 @@
 				"target_compatible_with": `select({
         "//build/bazel/platforms/os:android": ["@platforms//:incompatible"],
         "//conditions:default": [],
-    })`,
-			}),
+    })`}),
+			MakeBazelTarget("java_binary", "java-binary-host-1", AttrNameToString{
+				"main_class":   `"com.android.test.MainClass"`,
+				"jvm_flags":    `["-Djava.library.path=$${RUNPATH}other"]`,
+				"runtime_deps": `[":java-binary-host-1_lib"]`,
+				"target_compatible_with": `select({
+        "//build/bazel/platforms/os:android": ["@platforms//:incompatible"],
+        "//conditions:default": [],
+    })`}),
 		},
 	})
 }
@@ -122,15 +127,22 @@
 }
 `,
 		ExpectedBazelTargets: []string{
-			MakeBazelTarget("java_binary", "java-binary-host-libs", AttrNameToString{
-				"main_class": `"com.android.test.MainClass"`,
-				"srcs":       `["a.java"]`,
-				"deps":       `[":java-lib-dep-1-neverlink"]`,
+			MakeBazelTarget("java_library", "java-binary-host-libs_lib", AttrNameToString{
+				"srcs": `["a.java"]`,
+				"deps": `[":java-lib-dep-1-neverlink"]`,
 				"target_compatible_with": `select({
         "//build/bazel/platforms/os:android": ["@platforms//:incompatible"],
         "//conditions:default": [],
     })`,
 			}),
+			MakeBazelTarget("java_binary", "java-binary-host-libs", AttrNameToString{
+				"main_class": `"com.android.test.MainClass"`,
+				"target_compatible_with": `select({
+        "//build/bazel/platforms/os:android": ["@platforms//:incompatible"],
+        "//conditions:default": [],
+    })`,
+				"runtime_deps": `[":java-binary-host-libs_lib"]`,
+			}),
 		},
 	})
 }
@@ -146,7 +158,7 @@
 }
 `,
 		ExpectedBazelTargets: []string{
-			MakeBazelTarget("kt_jvm_library", "java-binary-host_kt", AttrNameToString{
+			MakeBazelTarget("kt_jvm_library", "java-binary-host_lib", AttrNameToString{
 				"srcs": `[
         "a.java",
         "b.kt",
@@ -158,7 +170,7 @@
 			}),
 			MakeBazelTarget("java_binary", "java-binary-host", AttrNameToString{
 				"main_class":   `"com.android.test.MainClass"`,
-				"runtime_deps": `[":java-binary-host_kt"]`,
+				"runtime_deps": `[":java-binary-host_lib"]`,
 				"target_compatible_with": `select({
         "//build/bazel/platforms/os:android": ["@platforms//:incompatible"],
         "//conditions:default": [],
@@ -180,7 +192,7 @@
 }
 `,
 		ExpectedBazelTargets: []string{
-			MakeBazelTarget("kt_jvm_library", "java-binary-host_kt", AttrNameToString{
+			MakeBazelTarget("kt_jvm_library", "java-binary-host_lib", AttrNameToString{
 				"srcs":        `["a.java"]`,
 				"common_srcs": `["b.kt"]`,
 				"target_compatible_with": `select({
@@ -190,7 +202,7 @@
 			}),
 			MakeBazelTarget("java_binary", "java-binary-host", AttrNameToString{
 				"main_class":   `"com.android.test.MainClass"`,
-				"runtime_deps": `[":java-binary-host_kt"]`,
+				"runtime_deps": `[":java-binary-host_lib"]`,
 				"target_compatible_with": `select({
         "//build/bazel/platforms/os:android": ["@platforms//:incompatible"],
         "//conditions:default": [],
@@ -216,7 +228,7 @@
 }
 `,
 		ExpectedBazelTargets: []string{
-			MakeBazelTarget("kt_jvm_library", "java-binary-host_kt", AttrNameToString{
+			MakeBazelTarget("kt_jvm_library", "java-binary-host_lib", AttrNameToString{
 				"srcs": `[
         "a.java",
         "b.kt",
@@ -233,7 +245,7 @@
 			}),
 			MakeBazelTarget("java_binary", "java-binary-host", AttrNameToString{
 				"main_class":   `"com.android.test.MainClass"`,
-				"runtime_deps": `[":java-binary-host_kt"]`,
+				"runtime_deps": `[":java-binary-host_lib"]`,
 				"target_compatible_with": `select({
         "//build/bazel/platforms/os:android": ["@platforms//:incompatible"],
         "//conditions:default": [],
@@ -259,7 +271,7 @@
 }
 `,
 		ExpectedBazelTargets: []string{
-			MakeBazelTarget("kt_jvm_library", "java-binary-host_kt", AttrNameToString{
+			MakeBazelTarget("kt_jvm_library", "java-binary-host_lib", AttrNameToString{
 				"srcs": `[
         "a.java",
         "b.kt",
@@ -275,7 +287,42 @@
 			}),
 			MakeBazelTarget("java_binary", "java-binary-host", AttrNameToString{
 				"main_class":   `"com.android.test.MainClass"`,
-				"runtime_deps": `[":java-binary-host_kt"]`,
+				"runtime_deps": `[":java-binary-host_lib"]`,
+				"target_compatible_with": `select({
+        "//build/bazel/platforms/os:android": ["@platforms//:incompatible"],
+        "//conditions:default": [],
+    })`,
+			}),
+		},
+	})
+}
+
+func TestJavaBinaryHostKotlinCflags(t *testing.T) {
+	runJavaBinaryHostTestCase(t, Bp2buildTestCase{
+		Description: "java_binary_host with kotlincflags",
+		Filesystem:  testFs,
+		Blueprint: `java_binary_host {
+    name: "java-binary-host",
+    manifest: "test.mf",
+    srcs: ["a.kt"],
+    kotlincflags: ["-flag1", "-flag2"],
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("kt_jvm_library", "java-binary-host_lib", AttrNameToString{
+				"srcs": `["a.kt"]`,
+				"kotlincflags": `[
+        "-flag1",
+        "-flag2",
+    ]`,
+				"target_compatible_with": `select({
+        "//build/bazel/platforms/os:android": ["@platforms//:incompatible"],
+        "//conditions:default": [],
+    })`,
+			}),
+			MakeBazelTarget("java_binary", "java-binary-host", AttrNameToString{
+				"main_class":   `"com.android.test.MainClass"`,
+				"runtime_deps": `[":java-binary-host_lib"]`,
 				"target_compatible_with": `select({
         "//build/bazel/platforms/os:android": ["@platforms//:incompatible"],
         "//conditions:default": [],
diff --git a/bp2build/java_library_conversion_test.go b/bp2build/java_library_conversion_test.go
index f1d6398..e3c4857 100644
--- a/bp2build/java_library_conversion_test.go
+++ b/bp2build/java_library_conversion_test.go
@@ -673,7 +673,7 @@
 
 func TestJavaLibraryKotlinSrcs(t *testing.T) {
 	runJavaLibraryTestCase(t, Bp2buildTestCase{
-		Description: "java_library with kotlin  srcs",
+		Description: "java_library with kotlin srcs",
 		Blueprint: `java_library {
     name: "java-lib-1",
     srcs: ["a.java", "b.java", "c.kt"],
@@ -693,9 +693,32 @@
 	})
 }
 
+func TestJavaLibraryKotlincflags(t *testing.T) {
+	runJavaLibraryTestCase(t, Bp2buildTestCase{
+		Description: "java_library with kotlincfalgs",
+		Blueprint: `java_library {
+    name: "java-lib-1",
+    srcs: [ "a.kt"],
+    kotlincflags: ["-flag1", "-flag2"],
+    bazel_module: { bp2build_available: true },
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("kt_jvm_library", "java-lib-1", AttrNameToString{
+				"srcs": `["a.kt"]`,
+				"kotlincflags": `[
+        "-flag1",
+        "-flag2",
+    ]`,
+			}),
+			MakeNeverlinkDuplicateTarget("kt_jvm_library", "java-lib-1"),
+		},
+	})
+}
+
 func TestJavaLibraryKotlinCommonSrcs(t *testing.T) {
 	runJavaLibraryTestCase(t, Bp2buildTestCase{
-		Description: "java_library with kotlin  common_srcs",
+		Description: "java_library with kotlin common_srcs",
 		Blueprint: `java_library {
     name: "java-lib-1",
     srcs: ["a.java", "b.java"],
diff --git a/bp2build/testing.go b/bp2build/testing.go
index a737ea1..ee2ab08 100644
--- a/bp2build/testing.go
+++ b/bp2build/testing.go
@@ -623,16 +623,18 @@
 		return ""
 	}
 	STUB_SUITE_ATTRS := map[string]string{
-		"stubs_symbol_file": "symbol_file",
-		"stubs_versions":    "versions",
-		"soname":            "soname",
-		"source_library":    "source_library",
+		"stubs_symbol_file":    "symbol_file",
+		"stubs_versions":       "versions",
+		"soname":               "soname",
+		"source_library_label": "source_library_label",
 	}
 
 	stubSuiteAttrs := AttrNameToString{}
 	for key, _ := range attrs {
 		if _, stubSuiteAttr := STUB_SUITE_ATTRS[key]; stubSuiteAttr {
 			stubSuiteAttrs[STUB_SUITE_ATTRS[key]] = attrs[key]
+		} else {
+			panic(fmt.Sprintf("unused cc_stub_suite attr %q\n", key))
 		}
 	}
 	return MakeBazelTarget("cc_stub_suite", name+"_stub_libs", stubSuiteAttrs)
diff --git a/cc/binary.go b/cc/binary.go
index 496c610..097f822 100644
--- a/cc/binary.go
+++ b/cc/binary.go
@@ -512,7 +512,7 @@
 		}
 		binary.baseInstaller.subDir = "bootstrap"
 	}
-	binary.baseInstaller.install(ctx, file)
+	binary.baseInstaller.installExecutable(ctx, file)
 
 	var preferredArchSymlinkPath android.OptionalPath
 	for _, symlink := range binary.symlinks {
diff --git a/cc/bp2build.go b/cc/bp2build.go
index 8644bf6..03d9de8 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -71,7 +71,7 @@
 }
 
 type tidyAttributes struct {
-	Tidy                  *bool
+	Tidy                  *string
 	Tidy_flags            []string
 	Tidy_checks           []string
 	Tidy_checks_as_errors []string
@@ -82,7 +82,15 @@
 func (m *Module) convertTidyAttributes(ctx android.BaseMutatorContext, moduleAttrs *tidyAttributes) {
 	for _, f := range m.features {
 		if tidy, ok := f.(*tidyFeature); ok {
-			moduleAttrs.Tidy = tidy.Properties.Tidy
+			var tidyAttr *string
+			if tidy.Properties.Tidy != nil {
+				if *tidy.Properties.Tidy {
+					tidyAttr = proptools.StringPtr("local")
+				} else {
+					tidyAttr = proptools.StringPtr("never")
+				}
+			}
+			moduleAttrs.Tidy = tidyAttr
 			moduleAttrs.Tidy_flags = tidy.Properties.Tidy_flags
 			moduleAttrs.Tidy_checks = tidy.Properties.Tidy_checks
 			moduleAttrs.Tidy_checks_as_errors = tidy.Properties.Tidy_checks_as_errors
@@ -909,15 +917,12 @@
 
 		if !aidlLibs.IsEmpty() {
 			ccAidlLibrarylabel := m.Name() + "_cc_aidl_library"
-			// Since cc_aidl_library only needs the dynamic deps (aka shared libs) from the parent cc library for compiling,
-			// we err on the side of not re-exporting the headers of the dynamic deps from cc_aidl_lirary
-			// because the parent cc library already has all the dynamic deps
-			implementationDynamicDeps := bazel.MakeLabelListAttribute(
-				bazel.AppendBazelLabelLists(
-					linkerAttrs.dynamicDeps.Value,
-					linkerAttrs.implementationDynamicDeps.Value,
-				),
-			)
+			// Since parent cc_library already has these dependencies, we can add them as implementation
+			// deps so that they don't re-export
+			implementationDeps := linkerAttrs.deps.Clone()
+			implementationDeps.Append(linkerAttrs.implementationDeps)
+			implementationDynamicDeps := linkerAttrs.dynamicDeps.Clone()
+			implementationDynamicDeps.Append(linkerAttrs.implementationDynamicDeps)
 
 			ctx.CreateBazelTargetModule(
 				bazel.BazelTargetModuleProperties{
@@ -927,7 +932,8 @@
 				android.CommonAttributes{Name: ccAidlLibrarylabel},
 				&ccAidlLibraryAttributes{
 					Deps:                        aidlLibs,
-					Implementation_dynamic_deps: implementationDynamicDeps,
+					Implementation_deps:         *implementationDeps,
+					Implementation_dynamic_deps: *implementationDynamicDeps,
 				},
 			)
 			label := &bazel.LabelAttribute{
@@ -1144,6 +1150,10 @@
 	}
 }
 
+var (
+	apiSurfaceModuleLibCurrentPackage = "@api_surfaces//" + android.ModuleLibApi.String() + "/current:"
+)
+
 func setStubsForDynamicDeps(ctx android.BazelConversionPathContext, axis bazel.ConfigurationAxis,
 	config string, dynamicLibs bazel.LabelList, dynamicDeps *bazel.LabelListAttribute, ind int) {
 	depsWithStubs := []bazel.Label{}
@@ -1159,8 +1169,10 @@
 
 		stubLibLabels := []bazel.Label{}
 		for _, l := range depsWithStubs {
-			l.Label = l.Label + stubsSuffix
-			stubLibLabels = append(stubLibLabels, l)
+			stubLabelInApiSurfaces := bazel.Label{
+				Label: apiSurfaceModuleLibCurrentPackage + l.OriginalModuleName,
+			}
+			stubLibLabels = append(stubLibLabels, stubLabelInApiSurfaces)
 		}
 		inApexSelectValue := dynamicDeps.SelectValue(bazel.OsAndInApexAxis, bazel.AndroidAndInApex)
 		nonApexSelectValue := dynamicDeps.SelectValue(bazel.OsAndInApexAxis, bazel.AndroidAndNonApex)
@@ -1276,8 +1288,10 @@
 		la.implementationDynamicDeps.Exclude(bazel.OsAndInApexAxis, bazel.AndroidAndNonApex, toRemove)
 		stubsToRemove := make([]bazel.Label, 0, len(la.usedSystemDynamicDepAsDynamicDep))
 		for _, lib := range toRemove.Includes {
-			lib.Label += stubsSuffix
-			stubsToRemove = append(stubsToRemove, lib)
+			stubLabelInApiSurfaces := bazel.Label{
+				Label: apiSurfaceModuleLibCurrentPackage + lib.OriginalModuleName,
+			}
+			stubsToRemove = append(stubsToRemove, stubLabelInApiSurfaces)
 		}
 		la.implementationDynamicDeps.Exclude(bazel.OsAndInApexAxis, bazel.AndroidAndInApex, bazel.MakeLabelList(stubsToRemove))
 	}
diff --git a/cc/cc.go b/cc/cc.go
index 0e88c56..b029d71 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -2506,20 +2506,11 @@
 	if c.isNDKStubLibrary() {
 		// NDK stubs depend on their implementation because the ABI dumps are
 		// generated from the implementation library.
-		apiImportName := c.BaseModuleName() + multitree.GetApiImportSuffix()
 
-		// If original library exists as imported API, set dependency on the imported library
-		if actx.OtherModuleExists(apiImportName) {
-			actx.AddFarVariationDependencies(append(ctx.Target().Variations(),
-				c.ImageVariation(),
-				blueprint.Variation{Mutator: "link", Variation: "shared"},
-			), stubImplementation, apiImportName)
-		} else {
-			actx.AddFarVariationDependencies(append(ctx.Target().Variations(),
-				c.ImageVariation(),
-				blueprint.Variation{Mutator: "link", Variation: "shared"},
-			), stubImplementation, c.BaseModuleName())
-		}
+		actx.AddFarVariationDependencies(append(ctx.Target().Variations(),
+			c.ImageVariation(),
+			blueprint.Variation{Mutator: "link", Variation: "shared"},
+		), stubImplementation, c.BaseModuleName())
 	}
 
 	for _, lib := range deps.WholeStaticLibs {
@@ -2963,7 +2954,7 @@
 		ctx.VisitDirectDeps(func(dep android.Module) {
 			depName := ctx.OtherModuleName(dep)
 			if apiLibrary, ok := targetOrigModuleList[depName]; ok {
-				if shouldUseStubForApex(ctx, dep) {
+				if ShouldUseStubForApex(ctx, dep) {
 					skipModuleList[depName] = true
 				} else {
 					skipModuleList[apiLibrary] = true
@@ -3316,7 +3307,7 @@
 	return depPaths
 }
 
-func shouldUseStubForApex(ctx android.ModuleContext, dep android.Module) bool {
+func ShouldUseStubForApex(ctx android.ModuleContext, dep android.Module) bool {
 	depName := ctx.OtherModuleName(dep)
 	thisModule, ok := ctx.Module().(android.ApexModule)
 	if !ok {
@@ -3418,7 +3409,7 @@
 
 	if !libDepTag.explicitlyVersioned && len(sharedLibraryStubsInfo.SharedStubLibraries) > 0 {
 		// when to use (unspecified) stubs, use the latest one.
-		if shouldUseStubForApex(ctx, dep) {
+		if ShouldUseStubForApex(ctx, dep) {
 			stubs := sharedLibraryStubsInfo.SharedStubLibraries
 			toUse := stubs[len(stubs)-1]
 			sharedLibraryInfo = toUse.SharedLibraryInfo
@@ -3475,7 +3466,6 @@
 	nonSystemVariantsExist := ccDep.HasNonSystemVariants() || isLLndk
 
 	if ccDepModule != nil {
-		// TODO(ivanlozano) Support snapshots for Rust-produced C library variants.
 		// Use base module name for snapshots when exporting to Makefile.
 		if snapshotPrebuilt, ok := ccDepModule.linker.(SnapshotInterface); ok {
 			baseName := ccDepModule.BaseModuleName()
@@ -3880,6 +3870,7 @@
 	// When a vendor APEX needs a VNDK lib in it (use_vndk_as_stable: false), it should be a unique
 	// APEX variation. Otherwise, another vendor APEX with use_vndk_as_stable:true may use a wrong
 	// variation of the VNDK lib because APEX variations are merged/grouped.
+	// TODO(b/274401041) Find a way to merge APEX variations for vendor apexes.
 	return c.UseVndk() && c.IsVndk()
 }
 
diff --git a/cc/check.go b/cc/check.go
index 3d290a9..58ff5b2 100644
--- a/cc/check.go
+++ b/cc/check.go
@@ -57,6 +57,10 @@
 				} else if strings.HasPrefix("../", path) {
 					ctx.PropertyErrorf(prop, "Path must not start with `../`: `%s`. Use include_dirs to -include from a different directory", flag)
 				}
+			} else if args[0] == "-mllvm" {
+				if len(args) > 2 {
+					ctx.PropertyErrorf(prop, "`-mllvm` only takes one argument: `%s`", flag)
+				}
 			} else if strings.HasPrefix(flag, "-D") && strings.Contains(flag, "=") {
 				// Do nothing in this case.
 				// For now, we allow space characters in -DNAME=def form to allow use cases
diff --git a/cc/config/global.go b/cc/config/global.go
index 488af45..6b45b12 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -234,8 +234,6 @@
 		// New warnings to be fixed after clang-r433403
 		"-Wno-error=unused-but-set-variable",  // http://b/197240255
 		"-Wno-error=unused-but-set-parameter", // http://b/197240255
-		// New warnings to be fixed after clang-r458507
-		"-Wno-error=unqualified-std-cast-call", // http://b/239662094
 		// New warnings to be fixed after clang-r468909
 		"-Wno-error=deprecated-builtins", // http://b/241601211
 		"-Wno-error=deprecated",          // in external/googletest/googletest
@@ -253,6 +251,7 @@
 		"-Wno-sizeof-array-div",
 		"-Wno-unused-but-set-variable",
 		"-Wno-unused-but-set-parameter",
+		"-Wno-unqualified-std-cast-call",
 		"-Wno-bitwise-instead-of-logical",
 		"-Wno-misleading-indentation",
 		"-Wno-array-parameter",
@@ -417,15 +416,12 @@
 	exportedVars.ExportStringList("CommonGlobalIncludes", commonGlobalIncludes)
 	pctx.PrefixedExistentPathsForSourcesVariable("CommonGlobalIncludes", "-I", commonGlobalIncludes)
 
-	exportedVars.ExportStringStaticVariable("CLANG_DEFAULT_VERSION", ClangDefaultVersion)
-	exportedVars.ExportStringStaticVariable("CLANG_DEFAULT_SHORT_VERSION", ClangDefaultShortVersion)
-
 	pctx.StaticVariableWithEnvOverride("ClangBase", "LLVM_PREBUILTS_BASE", ClangDefaultBase)
-	pctx.StaticVariableWithEnvOverride("ClangVersion", "LLVM_PREBUILTS_VERSION", ClangDefaultVersion)
+	exportedVars.ExportStringStaticVariableWithEnvOverride("ClangVersion", "LLVM_PREBUILTS_VERSION", ClangDefaultVersion)
 	pctx.StaticVariable("ClangPath", "${ClangBase}/${HostPrebuiltTag}/${ClangVersion}")
 	pctx.StaticVariable("ClangBin", "${ClangPath}/bin")
 
-	pctx.StaticVariableWithEnvOverride("ClangShortVersion", "LLVM_RELEASE_VERSION", ClangDefaultShortVersion)
+	exportedVars.ExportStringStaticVariableWithEnvOverride("ClangShortVersion", "LLVM_RELEASE_VERSION", ClangDefaultShortVersion)
 	pctx.StaticVariable("ClangAsanLibDir", "${ClangBase}/linux-x86/${ClangVersion}/lib/clang/${ClangShortVersion}/lib/linux")
 
 	// These are tied to the version of LLVM directly in external/llvm, so they might trail the host prebuilts
diff --git a/cc/config/riscv64_device.go b/cc/config/riscv64_device.go
index b3619c8..35c57f9 100644
--- a/cc/config/riscv64_device.go
+++ b/cc/config/riscv64_device.go
@@ -26,12 +26,16 @@
 		// Help catch common 32/64-bit errors.
 		"-Werror=implicit-function-declaration",
 		"-fno-emulated-tls",
+		// For -fsanitize=shadow-call-stack.
+		"-ffixed-x18",
 	}
 
 	riscv64ArchVariantCflags = map[string][]string{}
 
 	riscv64Ldflags = []string{
 		"-Wl,--hash-style=gnu",
+		// For -fsanitize=shadow-call-stack.
+		"-ffixed-x18",
 	}
 
 	riscv64Lldflags = append(riscv64Ldflags,
diff --git a/cc/coverage.go b/cc/coverage.go
index a7356f8..c0f6973 100644
--- a/cc/coverage.go
+++ b/cc/coverage.go
@@ -219,10 +219,14 @@
 	return properties
 }
 
-// Coverage is an interface for non-CC modules to implement to be mutated for coverage
-type Coverage interface {
+type UseCoverage interface {
 	android.Module
 	IsNativeCoverageNeeded(ctx android.BaseModuleContext) bool
+}
+
+// Coverage is an interface for non-CC modules to implement to be mutated for coverage
+type Coverage interface {
+	UseCoverage
 	SetPreventInstall()
 	HideFromMake()
 	MarkAsCoverageVariant(bool)
@@ -261,6 +265,11 @@
 
 		m[1].(Coverage).MarkAsCoverageVariant(true)
 		m[1].(Coverage).EnableCoverageIfNeeded()
+	} else if cov, ok := mctx.Module().(UseCoverage); ok && cov.IsNativeCoverageNeeded(mctx) {
+		// Module itself doesn't have to have "cov" variant, but it should use "cov" variants of
+		// deps.
+		mctx.CreateVariations("cov")
+		mctx.AliasVariation("cov")
 	}
 }
 
diff --git a/cc/installer.go b/cc/installer.go
index e2c0e7b..716a0df 100644
--- a/cc/installer.go
+++ b/cc/installer.go
@@ -100,6 +100,10 @@
 	installer.path = ctx.InstallFile(installer.installDir(ctx), file.Base(), file)
 }
 
+func (installer *baseInstaller) installExecutable(ctx ModuleContext, file android.Path) {
+	installer.path = ctx.InstallExecutable(installer.installDir(ctx), file.Base(), file)
+}
+
 func (installer *baseInstaller) everInstallable() bool {
 	// Most cc modules are installable.
 	return true
diff --git a/cc/library.go b/cc/library.go
index 27f0623..1b579cd 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -268,6 +268,7 @@
 
 type ccAidlLibraryAttributes struct {
 	Deps                        bazel.LabelListAttribute
+	Implementation_deps         bazel.LabelListAttribute
 	Implementation_dynamic_deps bazel.LabelListAttribute
 }
 
@@ -454,12 +455,12 @@
 		}
 		soname := m.Name() + ".so"
 		stubSuitesAttrs := &bazelCcStubSuiteAttributes{
-			Symbol_file:     compilerAttrs.stubsSymbolFile,
-			Versions:        compilerAttrs.stubsVersions,
-			Export_includes: exportedIncludes.Includes,
-			Soname:          &soname,
-			Source_library:  *bazel.MakeLabelAttribute(":" + m.Name()),
-			Deps:            baseAttributes.deps,
+			Symbol_file:          compilerAttrs.stubsSymbolFile,
+			Versions:             compilerAttrs.stubsVersions,
+			Export_includes:      exportedIncludes.Includes,
+			Soname:               &soname,
+			Source_library_label: proptools.StringPtr(m.GetBazelLabel(ctx, m)),
+			Deps:                 baseAttributes.deps,
 		}
 		ctx.CreateBazelTargetModule(stubSuitesProps,
 			android.CommonAttributes{Name: m.Name() + "_stub_libs"},
@@ -468,7 +469,7 @@
 		// Add alias for the stub shared_library in @api_surfaces repository
 		currentModuleLibApiDir := ctx.Config().ApiSurfacesDir(android.ModuleLibApi, "current")
 		actualLabelInMainWorkspace := bazel.Label{
-			Label: fmt.Sprintf("@//%s:%s_stub_libs_current", ctx.ModuleDir(), m.Name()),
+			Label: fmt.Sprintf("@//%s:%s%s", ctx.ModuleDir(), m.Name(), stubsSuffix),
 		}
 		ctx.CreateBazelTargetAliasInDir(currentModuleLibApiDir, m.Name(), actualLabelInMainWorkspace)
 
@@ -3033,12 +3034,12 @@
 }
 
 type bazelCcStubSuiteAttributes struct {
-	Symbol_file     *string
-	Versions        bazel.StringListAttribute
-	Export_includes bazel.StringListAttribute
-	Source_library  bazel.LabelAttribute
-	Soname          *string
-	Deps            bazel.LabelListAttribute
+	Symbol_file          *string
+	Versions             bazel.StringListAttribute
+	Export_includes      bazel.StringListAttribute
+	Source_library_label *string
+	Soname               *string
+	Deps                 bazel.LabelListAttribute
 }
 
 type bazelCcHeaderAbiCheckerAttributes struct {
diff --git a/cc/prebuilt.go b/cc/prebuilt.go
index bb517ea..5b7ba43 100644
--- a/cc/prebuilt.go
+++ b/cc/prebuilt.go
@@ -352,6 +352,7 @@
 	Static_library         bazel.LabelAttribute
 	Export_includes        bazel.StringListAttribute
 	Export_system_includes bazel.StringListAttribute
+	Alwayslink             bazel.BoolAttribute
 }
 
 // TODO(b/228623543): The below is not entirely true until the bug is fixed. For now, both targets are always generated
@@ -389,6 +390,11 @@
 
 	tags := android.ApexAvailableTags(module)
 	ctx.CreateBazelTargetModuleWithRestrictions(props, android.CommonAttributes{Name: name, Tags: tags}, attrs, prebuiltAttrs.Enabled)
+
+	_true := true
+	alwayslinkAttrs := *attrs
+	alwayslinkAttrs.Alwayslink.SetValue(&_true)
+	ctx.CreateBazelTargetModuleWithRestrictions(props, android.CommonAttributes{Name: name + "_alwayslink", Tags: tags}, &alwayslinkAttrs, prebuiltAttrs.Enabled)
 }
 
 type bazelPrebuiltLibrarySharedAttributes struct {
diff --git a/cc/sanitize.go b/cc/sanitize.go
index aa61453..c899cc4 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -77,7 +77,7 @@
 		"-fno-sanitize-recover=integer,undefined"}
 	hwasanGlobalOptions = []string{"heap_history_size=1023", "stack_history_size=512",
 		"export_memory_stats=0", "max_malloc_fill_size=131072", "malloc_fill_byte=0"}
-	memtagStackCommonFlags = []string{"-march=armv8-a+memtag"}
+	memtagStackCommonFlags = []string{"-march=armv8-a+memtag", "-mllvm", "-dom-tree-reachability-max-bbs-to-explore=128"}
 
 	hostOnlySanitizeFlags   = []string{"-fno-sanitize-recover=all"}
 	deviceOnlySanitizeFlags = []string{"-fsanitize-trap=all", "-ftrap-function=abort"}
@@ -254,7 +254,7 @@
 	// This should not be used in Android 11+ : https://source.android.com/devices/tech/debug/scudo
 	// deprecated
 	Scudo *bool `android:"arch_variant"`
-	// shadow-call-stack sanitizer, only available on arm64
+	// shadow-call-stack sanitizer, only available on arm64/riscv64.
 	Scs *bool `android:"arch_variant"`
 	// Memory-tagging, only available on arm64
 	// if diag.memtag unset or false, enables async memory tagging
@@ -593,8 +593,8 @@
 		s.Hwaddress = nil
 	}
 
-	// SCS is only implemented on AArch64.
-	if ctx.Arch().ArchType != android.Arm64 || !ctx.toolchain().Bionic() {
+	// SCS is only implemented on AArch64/riscv64.
+	if (ctx.Arch().ArchType != android.Arm64 && ctx.Arch().ArchType != android.Riscv64) || !ctx.toolchain().Bionic() {
 		s.Scs = nil
 	}
 
diff --git a/cc/snapshot_prebuilt.go b/cc/snapshot_prebuilt.go
index 32878ca..bb6e257 100644
--- a/cc/snapshot_prebuilt.go
+++ b/cc/snapshot_prebuilt.go
@@ -522,6 +522,8 @@
 	return false
 }
 
+var _ snapshotSanitizer = (*snapshotLibraryDecorator)(nil)
+
 func (p *snapshotLibraryDecorator) isSanitizerAvailable(t SanitizerType) bool {
 	switch t {
 	case cfi:
@@ -644,8 +646,6 @@
 	return module.Init()
 }
 
-var _ snapshotSanitizer = (*snapshotLibraryDecorator)(nil)
-
 // Module definitions for snapshots of executable binaries.
 //
 // Modules (vendor|recovery)_snapshot_binary are defined here. They have their prebuilt executable
diff --git a/cmd/extract_apks/main.go b/cmd/extract_apks/main.go
index 82db634..2e71fe1 100644
--- a/cmd/extract_apks/main.go
+++ b/cmd/extract_apks/main.go
@@ -41,6 +41,7 @@
 	abis             map[android_bundle_proto.Abi_AbiAlias]int
 	allowPrereleased bool
 	stem             string
+	skipSdkCheck     bool
 }
 
 // An APK set is a zip archive. An entry 'toc.pb' describes its contents.
@@ -322,6 +323,12 @@
 
 func (m sdkVersionTargetingMatcher) matches(config TargetConfig) bool {
 	const preReleaseVersion = 10000
+	// TODO (b274518686) This check should only be used while SHA based targeting is active
+	// Once we have switched to an SDK version, this can be changed to throw an error if
+	// it was accidentally set
+	if config.skipSdkCheck == true {
+		return true
+	}
 	if m.SdkVersionTargeting == nil {
 		return true
 	}
@@ -572,7 +579,7 @@
 func processArgs() {
 	flag.Usage = func() {
 		fmt.Fprintln(os.Stderr, `usage: extract_apks -o <output-file> [-zip <output-zip-file>] `+
-			`-sdk-version value -abis value `+
+			`-sdk-version value -abis value [-skip-sdk-check]`+
 			`-screen-densities value {-stem value | -extract-single} [-allow-prereleased] `+
 			`[-apkcerts <apkcerts output file> -partition <partition>] <APK set>`)
 		flag.PrintDefaults()
@@ -585,6 +592,7 @@
 		"'all' or comma-separated list of screen density names (NODPI LDPI MDPI TVDPI HDPI XHDPI XXHDPI XXXHDPI)")
 	flag.BoolVar(&targetConfig.allowPrereleased, "allow-prereleased", false,
 		"allow prereleased")
+	flag.BoolVar(&targetConfig.skipSdkCheck, "skip-sdk-check", false, "Skip the SDK version check")
 	flag.StringVar(&targetConfig.stem, "stem", "", "output entries base name in the output zip file")
 	flag.Parse()
 	if (*outputFile == "") || len(flag.Args()) != 1 || *version == 0 ||
diff --git a/cmd/soong_build/main.go b/cmd/soong_build/main.go
index 9b51160..3a4d71a 100644
--- a/cmd/soong_build/main.go
+++ b/cmd/soong_build/main.go
@@ -78,6 +78,7 @@
 	flag.StringVar(&cmdlineArgs.OutFile, "o", "build.ninja", "the Ninja file to output")
 	flag.StringVar(&cmdlineArgs.BazelForceEnabledModules, "bazel-force-enabled-modules", "", "additional modules to build with Bazel. Comma-delimited")
 	flag.BoolVar(&cmdlineArgs.EmptyNinjaFile, "empty-ninja-file", false, "write out a 0-byte ninja file")
+	flag.BoolVar(&cmdlineArgs.MultitreeBuild, "multitree-build", false, "this is a multitree build")
 	flag.BoolVar(&cmdlineArgs.BazelMode, "bazel-mode", false, "use bazel for analysis of certain modules")
 	flag.BoolVar(&cmdlineArgs.BazelModeStaging, "bazel-mode-staging", false, "use bazel for analysis of certain near-ready modules")
 	flag.BoolVar(&cmdlineArgs.BazelModeDev, "bazel-mode-dev", false, "use bazel for analysis of a large number of modules (less stable)")
diff --git a/cmd/soong_ui/main.go b/cmd/soong_ui/main.go
index ae026ba..3d8458c 100644
--- a/cmd/soong_ui/main.go
+++ b/cmd/soong_ui/main.go
@@ -180,14 +180,15 @@
 		log.Cleanup()
 		stat.Finish()
 	})
-
+	criticalPath := status.NewCriticalPath()
 	buildCtx := build.Context{ContextImpl: &build.ContextImpl{
-		Context: ctx,
-		Logger:  log,
-		Metrics: met,
-		Tracer:  trace,
-		Writer:  output,
-		Status:  stat,
+		Context:      ctx,
+		Logger:       log,
+		Metrics:      met,
+		Tracer:       trace,
+		Writer:       output,
+		Status:       stat,
+		CriticalPath: criticalPath,
 	}}
 
 	config := c.config(buildCtx, args...)
@@ -224,6 +225,8 @@
 		defer build.UploadMetrics(buildCtx, config, c.simpleOutput, buildStarted, bazelProfileFile, bazelMetricsFile, metricsFiles...)
 	}
 	defer met.Dump(soongMetricsFile)
+	// Should run before Metric.Dump
+	defer criticalPath.WriteToMetrics(met)
 
 	c.run(buildCtx, config, args)
 
@@ -254,7 +257,7 @@
 	stat.AddOutput(status.NewVerboseLog(log, filepath.Join(logsDir, logsPrefix+"verbose.log")))
 	stat.AddOutput(status.NewErrorLog(log, filepath.Join(logsDir, logsPrefix+"error.log")))
 	stat.AddOutput(status.NewProtoErrorLog(log, buildErrorFile))
-	stat.AddOutput(status.NewCriticalPath(log))
+	stat.AddOutput(status.NewCriticalPathLogger(log, buildCtx.CriticalPath))
 	stat.AddOutput(status.NewBuildProgressLog(log, filepath.Join(logsDir, logsPrefix+"build_progress.pb")))
 
 	buildCtx.Verbosef("Detected %.3v GB total RAM", float32(config.TotalRAM())/(1024*1024*1024))
diff --git a/cuj/cuj.go b/cuj/cuj.go
index 869e0f7..de6f10d 100644
--- a/cuj/cuj.go
+++ b/cuj/cuj.go
@@ -94,7 +94,7 @@
 	stat.AddOutput(status.NewVerboseLog(log, filepath.Join(logsDir, "verbose.log")))
 	stat.AddOutput(status.NewErrorLog(log, filepath.Join(logsDir, "error.log")))
 	stat.AddOutput(status.NewProtoErrorLog(log, filepath.Join(logsDir, "build_error")))
-	stat.AddOutput(status.NewCriticalPath(log))
+	stat.AddOutput(status.NewCriticalPathLogger(log, nil))
 
 	defer met.Dump(filepath.Join(logsDir, "soong_metrics"))
 
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index 25b8fe8..023c69a 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -22,6 +22,7 @@
 	"strings"
 
 	"android/soong/android"
+	"android/soong/cc"
 
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
@@ -498,3 +499,11 @@
 	}
 	return fmt.Sprintf("%x", h.Sum(nil))
 }
+
+// Base cc.UseCoverage
+
+var _ cc.UseCoverage = (*filesystem)(nil)
+
+func (*filesystem) IsNativeCoverageNeeded(ctx android.BaseModuleContext) bool {
+	return ctx.Device() && ctx.DeviceConfig().NativeCoverageEnabled()
+}
diff --git a/filesystem/filesystem_test.go b/filesystem/filesystem_test.go
index a65d9dd..aef4756 100644
--- a/filesystem/filesystem_test.go
+++ b/filesystem/filesystem_test.go
@@ -20,6 +20,9 @@
 
 	"android/soong/android"
 	"android/soong/cc"
+	"android/soong/etc"
+
+	"github.com/google/blueprint/proptools"
 )
 
 func TestMain(m *testing.M) {
@@ -28,6 +31,7 @@
 
 var fixture = android.GroupFixturePreparers(
 	android.PrepareForIntegrationTestWithAndroid,
+	etc.PrepareForTestWithPrebuiltEtc,
 	cc.PrepareForIntegrationTestWithCc,
 	PrepareForTestWithFilesystemBuildComponents,
 )
@@ -225,3 +229,56 @@
 		inputs.Strings(),
 		"out/soong/.intermediates/libbar/android_arm64_armv8-a_shared/libbar.so")
 }
+
+func TestFileSystemWithCoverageVariants(t *testing.T) {
+	context := android.GroupFixturePreparers(
+		fixture,
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.GcovCoverage = proptools.BoolPtr(true)
+			variables.Native_coverage = proptools.BoolPtr(true)
+		}),
+	)
+
+	result := context.RunTestWithBp(t, `
+		prebuilt_etc {
+			name: "prebuilt",
+			src: ":myfilesystem",
+		}
+
+		android_system_image {
+			name: "myfilesystem",
+			deps: [
+				"libfoo",
+			],
+			linker_config_src: "linker.config.json",
+		}
+
+		cc_library {
+			name: "libfoo",
+			shared_libs: [
+				"libbar",
+			],
+			stl: "none",
+		}
+
+		cc_library {
+			name: "libbar",
+			stl: "none",
+		}
+	`)
+
+	filesystem := result.ModuleForTests("myfilesystem", "android_common_cov")
+	inputs := filesystem.Output("deps.zip").Implicits
+	android.AssertStringListContains(t, "filesystem should have libfoo(cov)",
+		inputs.Strings(),
+		"out/soong/.intermediates/libfoo/android_arm64_armv8-a_shared_cov/libfoo.so")
+	android.AssertStringListContains(t, "filesystem should have libbar(cov)",
+		inputs.Strings(),
+		"out/soong/.intermediates/libbar/android_arm64_armv8-a_shared_cov/libbar.so")
+
+	filesystemOutput := filesystem.Output("myfilesystem.img").Output
+	prebuiltInput := result.ModuleForTests("prebuilt", "android_arm64_armv8-a").Rule("Cp").Input
+	if filesystemOutput != prebuiltInput {
+		t.Error("prebuilt should use cov variant of filesystem")
+	}
+}
diff --git a/java/aar.go b/java/aar.go
index 7c45efe..4bc5465 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -1067,10 +1067,7 @@
 
 	neverlink := true
 	ctx.CreateBazelTargetModule(
-		bazel.BazelTargetModuleProperties{
-			Rule_class:        "android_library",
-			Bzl_load_location: "//build/bazel/rules/android:rules.bzl",
-		},
+		AndroidLibraryBazelTargetModuleProperties(),
 		android.CommonAttributes{Name: name + "-neverlink"},
 		&bazelAndroidLibrary{
 			javaLibraryAttributes: &javaLibraryAttributes{
@@ -1081,6 +1078,12 @@
 	)
 
 }
+func AndroidLibraryBazelTargetModuleProperties() bazel.BazelTargetModuleProperties {
+	return bazel.BazelTargetModuleProperties{
+		Rule_class:        "android_library",
+		Bzl_load_location: "//build/bazel/rules/android:rules.bzl",
+	}
+}
 
 func (a *AndroidLibrary) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
 	commonAttrs, bp2buildInfo := a.convertLibraryAttrsBp2Build(ctx)
@@ -1093,10 +1096,7 @@
 		ctx.ModuleErrorf("Module has direct dependencies but no sources. Bazel will not allow this.")
 	}
 	name := a.Name()
-	props := bazel.BazelTargetModuleProperties{
-		Rule_class:        "android_library",
-		Bzl_load_location: "//build/bazel/rules/android:rules.bzl",
-	}
+	props := AndroidLibraryBazelTargetModuleProperties()
 
 	ctx.CreateBazelTargetModule(
 		props,
diff --git a/java/app.go b/java/app.go
index f596673..8b54bc8 100755
--- a/java/app.go
+++ b/java/app.go
@@ -1495,6 +1495,10 @@
 	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: module.Name()}, attrs)
 }
 
+type manifestValueAttribute struct {
+	MinSdkVersion *string
+}
+
 type bazelAndroidAppAttributes struct {
 	*javaCommonAttributes
 	*bazelAapt
@@ -1502,6 +1506,7 @@
 	Custom_package   *string
 	Certificate      bazel.LabelAttribute
 	Certificate_name bazel.StringAttribute
+	Manifest_values  *manifestValueAttribute
 }
 
 // ConvertWithBp2build is used to convert android_app to Bazel.
@@ -1516,11 +1521,23 @@
 
 	certificate, certificateName := android.BazelStringOrLabelFromProp(ctx, a.overridableAppProperties.Certificate)
 
+	manifestValues := &manifestValueAttribute{}
+	// TODO(b/274474008 ): Directly convert deviceProperties.Min_sdk_version in bp2build
+	// MinSdkVersion(ctx) calls SdkVersion(ctx) if no value for min_sdk_version is set
+	minSdkSpec := a.MinSdkVersion(ctx)
+	if !minSdkSpec.ApiLevel.IsPreview() && minSdkSpec.Valid() {
+		minSdkStr, err := minSdkSpec.EffectiveVersionString(ctx)
+		if err == nil {
+			manifestValues.MinSdkVersion = &minSdkStr
+		}
+	}
+
 	appAttrs := &bazelAndroidAppAttributes{
 		// TODO(b/209576404): handle package name override by product variable PRODUCT_MANIFEST_PACKAGE_NAME_OVERRIDES
 		Custom_package:   a.overridableAppProperties.Package_name,
 		Certificate:      certificate,
 		Certificate_name: certificateName,
+		Manifest_values:  manifestValues,
 	}
 
 	props := bazel.BazelTargetModuleProperties{
@@ -1535,10 +1552,7 @@
 	} else {
 		ktName := a.Name() + "_kt"
 		ctx.CreateBazelTargetModule(
-			bazel.BazelTargetModuleProperties{
-				Rule_class:        "android_library",
-				Bzl_load_location: "//build/bazel/rules/android:rules.bzl",
-			},
+			AndroidLibraryBazelTargetModuleProperties(),
 			android.CommonAttributes{Name: ktName},
 			&bazelAndroidLibrary{
 				javaLibraryAttributes: &javaLibraryAttributes{
diff --git a/java/app_set.go b/java/app_set.go
index 0f55b77..d2d3b06 100644
--- a/java/app_set.go
+++ b/java/app_set.go
@@ -142,6 +142,7 @@
 				"allow-prereleased": strconv.FormatBool(proptools.Bool(as.properties.Prerelease)),
 				"screen-densities":  screenDensities,
 				"sdk-version":       ctx.Config().PlatformSdkVersion().String(),
+				"skip-sdk-check":    strconv.FormatBool(ctx.Config().IsEnvTrue("SOONG_SKIP_APPSET_SDK_CHECK")),
 				"stem":              as.BaseModuleName(),
 				"apkcerts":          as.apkcertsFile.String(),
 				"partition":         as.PartitionTag(ctx.DeviceConfig()),
diff --git a/java/app_set_test.go b/java/app_set_test.go
index 03eb667..10bc5de 100644
--- a/java/app_set_test.go
+++ b/java/app_set_test.go
@@ -89,6 +89,7 @@
 				"allow-prereleased": "false",
 				"screen-densities":  "LDPI,XXHDPI",
 				"sdk-version":       "29",
+				"skip-sdk-check":    "false",
 				"stem":              "foo",
 			},
 		},
@@ -105,6 +106,7 @@
 				"allow-prereleased": "false",
 				"screen-densities":  "all",
 				"sdk-version":       "30",
+				"skip-sdk-check":    "false",
 				"stem":              "foo",
 			},
 		},
diff --git a/java/base.go b/java/base.go
index 85f4a5e..7e95abd 100644
--- a/java/base.go
+++ b/java/base.go
@@ -1924,15 +1924,15 @@
 		"stub-annotations", "private-stub-annotations-jar",
 		"core-lambda-stubs", "core-generated-annotation-stubs":
 		return javaCore, true
-	case "android_stubs_current":
+	case android.SdkPublic.JavaLibraryName(ctx.Config()):
 		return javaSdk, true
-	case "android_system_stubs_current":
+	case android.SdkSystem.JavaLibraryName(ctx.Config()):
 		return javaSystem, true
-	case "android_module_lib_stubs_current":
+	case android.SdkModule.JavaLibraryName(ctx.Config()):
 		return javaModule, true
-	case "android_system_server_stubs_current":
+	case android.SdkSystemServer.JavaLibraryName(ctx.Config()):
 		return javaSystemServer, true
-	case "android_test_stubs_current":
+	case android.SdkTest.JavaLibraryName(ctx.Config()):
 		return javaSystem, true
 	}
 
diff --git a/java/builder.go b/java/builder.go
index 6f8eec9..4626267 100644
--- a/java/builder.go
+++ b/java/builder.go
@@ -131,13 +131,13 @@
 		blueprint.RuleParams{
 			Command: `rm -rf "$out" && ` +
 				`${config.ExtractApksCmd} -o "${out}" -zip "${zip}" -allow-prereleased=${allow-prereleased} ` +
-				`-sdk-version=${sdk-version} -abis=${abis} ` +
+				`-sdk-version=${sdk-version} -skip-sdk-check=${skip-sdk-check} -abis=${abis} ` +
 				`--screen-densities=${screen-densities} --stem=${stem} ` +
 				`-apkcerts=${apkcerts} -partition=${partition} ` +
 				`${in}`,
 			CommandDeps: []string{"${config.ExtractApksCmd}"},
 		},
-		"abis", "allow-prereleased", "screen-densities", "sdk-version", "stem", "apkcerts", "partition", "zip")
+		"abis", "allow-prereleased", "screen-densities", "sdk-version", "skip-sdk-check", "stem", "apkcerts", "partition", "zip")
 
 	turbine, turbineRE = pctx.RemoteStaticRules("turbine",
 		blueprint.RuleParams{
diff --git a/java/config/config.go b/java/config/config.go
index 838d007..13670ee 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -94,10 +94,12 @@
 		"-JXX:+TieredCompilation",
 		"-JXX:TieredStopAtLevel=1",
 		"-JDcom.android.tools.r8.emitRecordAnnotationsInDex",
+		"-JDcom.android.tools.r8.emitPermittedSubclassesAnnotationsInDex",
 	}, dexerJavaVmFlagsList...))
 	exportedVars.ExportStringListStaticVariable("R8Flags", append([]string{
 		"-JXmx2048M",
 		"-JDcom.android.tools.r8.emitRecordAnnotationsInDex",
+		"-JDcom.android.tools.r8.emitPermittedSubclassesAnnotationsInDex",
 	}, dexerJavaVmFlagsList...))
 
 	exportedVars.ExportStringListStaticVariable("CommonJdkFlags", []string{
diff --git a/java/dexpreopt.go b/java/dexpreopt.go
index e0a0629..0ffedf6 100644
--- a/java/dexpreopt.go
+++ b/java/dexpreopt.go
@@ -293,6 +293,12 @@
 	isSystemServerJar := global.AllSystemServerJars(ctx).ContainsJar(moduleName(ctx))
 
 	bootImage := defaultBootImageConfig(ctx)
+	// When `global.PreoptWithUpdatableBcp` is true, `bcpForDexpreopt` below includes the mainline
+	// boot jars into bootclasspath, so we should include the mainline boot image as well because it's
+	// generated from those jars.
+	if global.PreoptWithUpdatableBcp {
+		bootImage = mainlineBootImageConfig(ctx)
+	}
 	dexFiles, dexLocations := bcpForDexpreopt(ctx, global.PreoptWithUpdatableBcp)
 
 	targets := ctx.MultiTargets()
diff --git a/java/dexpreopt_bootjars.go b/java/dexpreopt_bootjars.go
index 373b478..f4827ea 100644
--- a/java/dexpreopt_bootjars.go
+++ b/java/dexpreopt_bootjars.go
@@ -291,6 +291,9 @@
 
 	// The "--compiler-filter" argument.
 	compilerFilter string
+
+	// The "--single-image" argument.
+	singleImage bool
 }
 
 // Target-dependent description of a boot image.
@@ -398,6 +401,9 @@
 		for _, ext := range exts {
 			ret = append(ret, dir.Join(ctx, name+ext))
 		}
+		if image.singleImage {
+			break
+		}
 	}
 	return ret
 }
@@ -768,6 +774,10 @@
 		cmd.FlagWithArg("--compiler-filter=", image.compilerFilter)
 	}
 
+	if image.singleImage {
+		cmd.Flag("--single-image")
+	}
+
 	// Use the default variant/features for host builds.
 	// The map below contains only device CPU info (which might be x86 on some devices).
 	if image.target.Os == android.Android {
diff --git a/java/dexpreopt_config.go b/java/dexpreopt_config.go
index 76c78cb..8c62c33 100644
--- a/java/dexpreopt_config.go
+++ b/java/dexpreopt_config.go
@@ -44,6 +44,8 @@
 	bootImageConfigRawKey  = android.NewOnceKey("bootImageConfigRaw")
 	artBootImageName       = "art"
 	frameworkBootImageName = "boot"
+	mainlineBootImageName  = "mainline"
+	bootImageStem          = "boot"
 )
 
 func genBootImageConfigRaw(ctx android.PathContext) map[string]*bootImageConfig {
@@ -52,37 +54,52 @@
 
 		artModules := global.ArtApexJars
 		frameworkModules := global.BootJars.RemoveList(artModules)
+		mainlineBcpModules := global.ApexBootJars
+		frameworkSubdir := "system/framework"
 
 		// ART config for the primary boot image in the ART apex.
 		// It includes the Core Libraries.
 		artCfg := bootImageConfig{
 			name:                     artBootImageName,
-			stem:                     "boot",
+			stem:                     bootImageStem,
 			installDirOnHost:         "apex/art_boot_images/javalib",
-			installDirOnDevice:       "system/framework",
+			installDirOnDevice:       frameworkSubdir,
 			profileInstallPathInApex: "etc/boot-image.prof",
 			modules:                  artModules,
 			preloadedClassesFile:     "art/build/boot/preloaded-classes",
 			compilerFilter:           "speed-profile",
+			singleImage:              false,
 		}
 
 		// Framework config for the boot image extension.
 		// It includes framework libraries and depends on the ART config.
-		frameworkSubdir := "system/framework"
 		frameworkCfg := bootImageConfig{
 			extends:              &artCfg,
 			name:                 frameworkBootImageName,
-			stem:                 "boot",
+			stem:                 bootImageStem,
 			installDirOnHost:     frameworkSubdir,
 			installDirOnDevice:   frameworkSubdir,
 			modules:              frameworkModules,
 			preloadedClassesFile: "frameworks/base/config/preloaded-classes",
 			compilerFilter:       "speed-profile",
+			singleImage:          false,
+		}
+
+		mainlineCfg := bootImageConfig{
+			extends:            &frameworkCfg,
+			name:               mainlineBootImageName,
+			stem:               bootImageStem,
+			installDirOnHost:   frameworkSubdir,
+			installDirOnDevice: frameworkSubdir,
+			modules:            mainlineBcpModules,
+			compilerFilter:     "verify",
+			singleImage:        true,
 		}
 
 		return map[string]*bootImageConfig{
 			artBootImageName:       &artCfg,
 			frameworkBootImageName: &frameworkCfg,
+			mainlineBootImageName:  &mainlineCfg,
 		}
 	}).(map[string]*bootImageConfig)
 }
@@ -174,6 +191,10 @@
 	return genBootImageConfigs(ctx)[frameworkBootImageName]
 }
 
+func mainlineBootImageConfig(ctx android.PathContext) *bootImageConfig {
+	return genBootImageConfigs(ctx)[mainlineBootImageName]
+}
+
 // Apex boot config allows to access build/install paths of apex boot jars without going
 // through the usual trouble of registering dependencies on those modules and extracting build paths
 // from those dependencies.
diff --git a/java/dexpreopt_config_test.go b/java/dexpreopt_config_test.go
index b704d09..cd7f295 100644
--- a/java/dexpreopt_config_test.go
+++ b/java/dexpreopt_config_test.go
@@ -28,8 +28,10 @@
 
 	result := android.GroupFixturePreparers(
 		PrepareForBootImageConfigTest,
+		PrepareApexBootJarConfigs,
 	).RunTest(t)
 
 	CheckArtBootImageConfig(t, result)
 	CheckFrameworkBootImageConfig(t, result)
+	CheckMainlineBootImageConfig(t, result)
 }
diff --git a/java/dexpreopt_config_testing.go b/java/dexpreopt_config_testing.go
index c509c1b..86dd329 100644
--- a/java/dexpreopt_config_testing.go
+++ b/java/dexpreopt_config_testing.go
@@ -39,6 +39,78 @@
 	FixtureConfigureBootJars("com.android.art:core1", "com.android.art:core2", "platform:framework"),
 )
 
+var PrepareApexBootJarConfigs = FixtureConfigureApexBootJars(
+	"com.android.foo:framework-foo", "com.android.bar:framework-bar")
+
+var PrepareApexBootJarConfigsAndModules = android.GroupFixturePreparers(
+	PrepareApexBootJarConfigs,
+	prepareApexBootJarModule("com.android.foo", "framework-foo"),
+	prepareApexBootJarModule("com.android.bar", "framework-bar"),
+)
+
+var ApexBootJarFragmentsForPlatformBootclasspath = fmt.Sprintf(`
+	{
+		apex: "%[1]s",
+		module: "%[1]s-bootclasspathfragment",
+	},
+	{
+		apex: "%[2]s",
+		module: "%[2]s-bootclasspathfragment",
+	},
+`, "com.android.foo", "com.android.bar")
+
+var ApexBootJarDexJarPaths = []string{
+	"out/soong/.intermediates/packages/modules/com.android.bar/framework-bar/android_common_apex10000/aligned/framework-bar.jar",
+	"out/soong/.intermediates/packages/modules/com.android.foo/framework-foo/android_common_apex10000/aligned/framework-foo.jar",
+}
+
+func prepareApexBootJarModule(apexName string, moduleName string) android.FixturePreparer {
+	moduleSourceDir := fmt.Sprintf("packages/modules/%s", apexName)
+	return android.GroupFixturePreparers(
+		android.FixtureAddTextFile(moduleSourceDir+"/Android.bp", fmt.Sprintf(`
+			apex {
+				name: "%[1]s",
+				key: "%[1]s.key",
+				bootclasspath_fragments: [
+					"%[1]s-bootclasspathfragment",
+				],
+				updatable: false,
+			}
+
+			apex_key {
+				name: "%[1]s.key",
+				public_key: "%[1]s.avbpubkey",
+				private_key: "%[1]s.pem",
+			}
+
+			bootclasspath_fragment {
+				name: "%[1]s-bootclasspathfragment",
+				contents: ["%[2]s"],
+				apex_available: ["%[1]s"],
+				hidden_api: {
+					split_packages: ["*"],
+				},
+			}
+
+			java_library {
+				name: "%[2]s",
+				srcs: ["%[2]s.java"],
+				system_modules: "none",
+				sdk_version: "none",
+				compile_dex: true,
+				apex_available: ["%[1]s"],
+			}
+		`, apexName, moduleName)),
+		android.FixtureMergeMockFs(android.MockFS{
+			fmt.Sprintf("%s/apex_manifest.json", moduleSourceDir):          nil,
+			fmt.Sprintf("%s/%s.avbpubkey", moduleSourceDir, apexName):      nil,
+			fmt.Sprintf("%s/%s.pem", moduleSourceDir, apexName):            nil,
+			fmt.Sprintf("system/sepolicy/apex/%s-file_contexts", apexName): nil,
+			fmt.Sprintf("%s/%s.java", moduleSourceDir, moduleName):         nil,
+		}),
+	)
+}
+
 // normalizedInstall represents a android.RuleBuilderInstall that has been normalized to remove
 // test specific parts of the From path.
 type normalizedInstall struct {
@@ -601,6 +673,290 @@
 	checkBootImageConfig(t, imageConfig, mutated, expected)
 }
 
+// getMainlineImageConfig gets the framework bootImageConfig that was created during the test.
+func getMainlineImageConfig(result *android.TestResult) *bootImageConfig {
+	pathCtx := &android.TestPathContext{TestResult: result}
+	imageConfig := mainlineBootImageConfig(pathCtx)
+	return imageConfig
+}
+
+// CheckMainlineBootImageConfig checks the status of the fields of the bootImageConfig and
+// bootImageVariant structures that are returned from mainlineBootImageConfig.
+//
+// This is before any fields are mutated.
+func CheckMainlineBootImageConfig(t *testing.T, result *android.TestResult) {
+	expectedLicenseMetadataFile := ""
+	imageConfig := getMainlineImageConfig(result)
+
+	expected := &expectedConfig{
+		name:                     "mainline",
+		stem:                     "boot",
+		dir:                      "out/soong/test_device/dex_mainlinejars",
+		symbolsDir:               "out/soong/test_device/dex_mainlinejars_unstripped",
+		installDirOnDevice:       "system/framework",
+		installDirOnHost:         "system/framework",
+		profileInstallPathInApex: "",
+		modules: android.CreateTestConfiguredJarList([]string{
+			"com.android.foo:framework-foo",
+			"com.android.bar:framework-bar",
+		}),
+		dexPaths: []string{
+			"out/soong/test_device/dex_mainlinejars_input/framework-foo.jar",
+			"out/soong/test_device/dex_mainlinejars_input/framework-bar.jar",
+		},
+		dexPathsDeps: []string{
+			"out/soong/test_device/dex_artjars_input/core1.jar",
+			"out/soong/test_device/dex_artjars_input/core2.jar",
+			"out/soong/test_device/dex_bootjars_input/framework.jar",
+			"out/soong/test_device/dex_mainlinejars_input/framework-foo.jar",
+			"out/soong/test_device/dex_mainlinejars_input/framework-bar.jar",
+		},
+		zip: "out/soong/test_device/dex_mainlinejars/mainline.zip",
+		variants: []*expectedVariant{
+			{
+				archType: android.Arm64,
+				dexLocations: []string{
+					"/apex/com.android.foo/javalib/framework-foo.jar",
+					"/apex/com.android.bar/javalib/framework-bar.jar",
+				},
+				dexLocationsDeps: []string{
+					"/apex/com.android.art/javalib/core1.jar",
+					"/apex/com.android.art/javalib/core2.jar",
+					"/system/framework/framework.jar",
+					"/apex/com.android.foo/javalib/framework-foo.jar",
+					"/apex/com.android.bar/javalib/framework-bar.jar",
+				},
+				imagePathOnHost:   "out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.art",
+				imagePathOnDevice: "/system/framework/arm64/boot-framework-foo.art",
+				imagesDeps: []string{
+					"out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.art",
+					"out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.oat",
+					"out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.vdex",
+				},
+				baseImages: []string{
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot.art",
+					"out/soong/test_device/dex_bootjars/android/system/framework/arm64/boot-framework.art",
+				},
+				baseImagesDeps: []string{
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot.art",
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot.oat",
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot.vdex",
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot-core2.art",
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot-core2.oat",
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot-core2.vdex",
+					"out/soong/test_device/dex_bootjars/android/system/framework/arm64/boot-framework.art",
+					"out/soong/test_device/dex_bootjars/android/system/framework/arm64/boot-framework.oat",
+					"out/soong/test_device/dex_bootjars/android/system/framework/arm64/boot-framework.vdex",
+				},
+				installs: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.art",
+						to:   "/system/framework/arm64/boot-framework-foo.art",
+					},
+					{
+						from: "out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.oat",
+						to:   "/system/framework/arm64/boot-framework-foo.oat",
+					},
+				},
+				vdexInstalls: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.vdex",
+						to:   "/system/framework/arm64/boot-framework-foo.vdex",
+					},
+				},
+				unstrippedInstalls: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars_unstripped/android/system/framework/arm64/boot-framework-foo.oat",
+						to:   "/system/framework/arm64/boot-framework-foo.oat",
+					},
+				},
+				licenseMetadataFile: expectedLicenseMetadataFile,
+			},
+			{
+				archType: android.Arm,
+				dexLocations: []string{
+					"/apex/com.android.foo/javalib/framework-foo.jar",
+					"/apex/com.android.bar/javalib/framework-bar.jar",
+				},
+				dexLocationsDeps: []string{
+					"/apex/com.android.art/javalib/core1.jar",
+					"/apex/com.android.art/javalib/core2.jar",
+					"/system/framework/framework.jar",
+					"/apex/com.android.foo/javalib/framework-foo.jar",
+					"/apex/com.android.bar/javalib/framework-bar.jar",
+				},
+				imagePathOnHost:   "out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.art",
+				imagePathOnDevice: "/system/framework/arm/boot-framework-foo.art",
+				imagesDeps: []string{
+					"out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.art",
+					"out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.oat",
+					"out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.vdex",
+				},
+				baseImages: []string{
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot.art",
+					"out/soong/test_device/dex_bootjars/android/system/framework/arm/boot-framework.art",
+				},
+				baseImagesDeps: []string{
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot.art",
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot.oat",
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot.vdex",
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot-core2.art",
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot-core2.oat",
+					"out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot-core2.vdex",
+					"out/soong/test_device/dex_bootjars/android/system/framework/arm/boot-framework.art",
+					"out/soong/test_device/dex_bootjars/android/system/framework/arm/boot-framework.oat",
+					"out/soong/test_device/dex_bootjars/android/system/framework/arm/boot-framework.vdex",
+				},
+				installs: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.art",
+						to:   "/system/framework/arm/boot-framework-foo.art",
+					},
+					{
+						from: "out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.oat",
+						to:   "/system/framework/arm/boot-framework-foo.oat",
+					},
+				},
+				vdexInstalls: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.vdex",
+						to:   "/system/framework/arm/boot-framework-foo.vdex",
+					},
+				},
+				unstrippedInstalls: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars_unstripped/android/system/framework/arm/boot-framework-foo.oat",
+						to:   "/system/framework/arm/boot-framework-foo.oat",
+					},
+				},
+				licenseMetadataFile: expectedLicenseMetadataFile,
+			},
+			{
+				archType: android.X86_64,
+				dexLocations: []string{
+					"host/linux-x86/apex/com.android.foo/javalib/framework-foo.jar",
+					"host/linux-x86/apex/com.android.bar/javalib/framework-bar.jar",
+				},
+				dexLocationsDeps: []string{
+					"host/linux-x86/apex/com.android.art/javalib/core1.jar",
+					"host/linux-x86/apex/com.android.art/javalib/core2.jar",
+					"host/linux-x86/system/framework/framework.jar",
+					"host/linux-x86/apex/com.android.foo/javalib/framework-foo.jar",
+					"host/linux-x86/apex/com.android.bar/javalib/framework-bar.jar",
+				},
+				imagePathOnHost:   "out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.art",
+				imagePathOnDevice: "/system/framework/x86_64/boot-framework-foo.art",
+				imagesDeps: []string{
+					"out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.art",
+					"out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.oat",
+					"out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.vdex",
+				},
+				baseImages: []string{
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86_64/boot.art",
+					"out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86_64/boot-framework.art",
+				},
+				baseImagesDeps: []string{
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86_64/boot.art",
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86_64/boot.oat",
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86_64/boot.vdex",
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86_64/boot-core2.art",
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86_64/boot-core2.oat",
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86_64/boot-core2.vdex",
+					"out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86_64/boot-framework.art",
+					"out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86_64/boot-framework.oat",
+					"out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86_64/boot-framework.vdex",
+				},
+				installs: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.art",
+						to:   "/system/framework/x86_64/boot-framework-foo.art",
+					},
+					{
+						from: "out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.oat",
+						to:   "/system/framework/x86_64/boot-framework-foo.oat",
+					},
+				},
+				vdexInstalls: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.vdex",
+						to:   "/system/framework/x86_64/boot-framework-foo.vdex",
+					},
+				},
+				unstrippedInstalls: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars_unstripped/linux_glibc/system/framework/x86_64/boot-framework-foo.oat",
+						to:   "/system/framework/x86_64/boot-framework-foo.oat",
+					},
+				},
+				licenseMetadataFile: expectedLicenseMetadataFile,
+			},
+			{
+				archType: android.X86,
+				dexLocations: []string{
+					"host/linux-x86/apex/com.android.foo/javalib/framework-foo.jar",
+					"host/linux-x86/apex/com.android.bar/javalib/framework-bar.jar",
+				},
+				dexLocationsDeps: []string{
+					"host/linux-x86/apex/com.android.art/javalib/core1.jar",
+					"host/linux-x86/apex/com.android.art/javalib/core2.jar",
+					"host/linux-x86/system/framework/framework.jar",
+					"host/linux-x86/apex/com.android.foo/javalib/framework-foo.jar",
+					"host/linux-x86/apex/com.android.bar/javalib/framework-bar.jar",
+				},
+				imagePathOnHost:   "out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.art",
+				imagePathOnDevice: "/system/framework/x86/boot-framework-foo.art",
+				imagesDeps: []string{
+					"out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.art",
+					"out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.oat",
+					"out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.vdex",
+				},
+				baseImages: []string{
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot.art",
+					"out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86/boot-framework.art",
+				},
+				baseImagesDeps: []string{
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot.art",
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot.oat",
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot.vdex",
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot-core2.art",
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot-core2.oat",
+					"out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot-core2.vdex",
+					"out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86/boot-framework.art",
+					"out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86/boot-framework.oat",
+					"out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86/boot-framework.vdex",
+				},
+				installs: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.art",
+						to:   "/system/framework/x86/boot-framework-foo.art",
+					},
+					{
+						from: "out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.oat",
+						to:   "/system/framework/x86/boot-framework-foo.oat",
+					},
+				},
+				vdexInstalls: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.vdex",
+						to:   "/system/framework/x86/boot-framework-foo.vdex",
+					},
+				},
+				unstrippedInstalls: []normalizedInstall{
+					{
+						from: "out/soong/test_device/dex_mainlinejars_unstripped/linux_glibc/system/framework/x86/boot-framework-foo.oat",
+						to:   "/system/framework/x86/boot-framework-foo.oat",
+					},
+				},
+				licenseMetadataFile: expectedLicenseMetadataFile,
+			},
+		},
+		profileInstalls:            []normalizedInstall{},
+		profileLicenseMetadataFile: expectedLicenseMetadataFile,
+	}
+
+	checkBootImageConfig(t, imageConfig, false, expected)
+}
+
 // clearMutatedFields clears fields in the expectedConfig that correspond to fields in the
 // bootImageConfig/bootImageVariant structs which are mutated outside the call to
 // genBootImageConfigs.
@@ -712,6 +1068,10 @@
 DEXPREOPT_IMAGE_BUILT_INSTALLED_boot_arm64=out/soong/test_device/dex_bootjars/android/system/framework/arm64/boot-framework.art:/system/framework/arm64/boot-framework.art out/soong/test_device/dex_bootjars/android/system/framework/arm64/boot-framework.oat:/system/framework/arm64/boot-framework.oat
 DEXPREOPT_IMAGE_BUILT_INSTALLED_boot_host_x86=out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86/boot-framework.art:/system/framework/x86/boot-framework.art out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86/boot-framework.oat:/system/framework/x86/boot-framework.oat
 DEXPREOPT_IMAGE_BUILT_INSTALLED_boot_host_x86_64=out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86_64/boot-framework.art:/system/framework/x86_64/boot-framework.art out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86_64/boot-framework.oat:/system/framework/x86_64/boot-framework.oat
+DEXPREOPT_IMAGE_BUILT_INSTALLED_mainline_arm=out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.art:/system/framework/arm/boot-framework-foo.art out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.oat:/system/framework/arm/boot-framework-foo.oat
+DEXPREOPT_IMAGE_BUILT_INSTALLED_mainline_arm64=out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.art:/system/framework/arm64/boot-framework-foo.art out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.oat:/system/framework/arm64/boot-framework-foo.oat
+DEXPREOPT_IMAGE_BUILT_INSTALLED_mainline_host_x86=out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.art:/system/framework/x86/boot-framework-foo.art out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.oat:/system/framework/x86/boot-framework-foo.oat
+DEXPREOPT_IMAGE_BUILT_INSTALLED_mainline_host_x86_64=out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.art:/system/framework/x86_64/boot-framework-foo.art out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.oat:/system/framework/x86_64/boot-framework-foo.oat
 DEXPREOPT_IMAGE_DEPS_art_arm=out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot.art out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot.oat out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot.vdex out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot-core2.art out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot-core2.oat out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot-core2.vdex
 DEXPREOPT_IMAGE_DEPS_art_arm64=out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot.art out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot.oat out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot.vdex out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot-core2.art out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot-core2.oat out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot-core2.vdex
 DEXPREOPT_IMAGE_DEPS_art_host_x86=out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot.art out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot.oat out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot.vdex out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot-core2.art out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot-core2.oat out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot-core2.vdex
@@ -720,6 +1080,10 @@
 DEXPREOPT_IMAGE_DEPS_boot_arm64=out/soong/test_device/dex_bootjars/android/system/framework/arm64/boot-framework.art out/soong/test_device/dex_bootjars/android/system/framework/arm64/boot-framework.oat out/soong/test_device/dex_bootjars/android/system/framework/arm64/boot-framework.vdex
 DEXPREOPT_IMAGE_DEPS_boot_host_x86=out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86/boot-framework.art out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86/boot-framework.oat out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86/boot-framework.vdex
 DEXPREOPT_IMAGE_DEPS_boot_host_x86_64=out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86_64/boot-framework.art out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86_64/boot-framework.oat out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86_64/boot-framework.vdex
+DEXPREOPT_IMAGE_DEPS_mainline_arm=out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.art out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.oat out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.vdex
+DEXPREOPT_IMAGE_DEPS_mainline_arm64=out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.art out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.oat out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.vdex
+DEXPREOPT_IMAGE_DEPS_mainline_host_x86=out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.art out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.oat out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.vdex
+DEXPREOPT_IMAGE_DEPS_mainline_host_x86_64=out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.art out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.oat out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.vdex
 DEXPREOPT_IMAGE_LICENSE_METADATA_art_arm=%[1]s
 DEXPREOPT_IMAGE_LICENSE_METADATA_art_arm64=%[1]s
 DEXPREOPT_IMAGE_LICENSE_METADATA_art_host_x86=%[1]s
@@ -728,11 +1092,17 @@
 DEXPREOPT_IMAGE_LICENSE_METADATA_boot_arm64=out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/meta_lic
 DEXPREOPT_IMAGE_LICENSE_METADATA_boot_host_x86=out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/meta_lic
 DEXPREOPT_IMAGE_LICENSE_METADATA_boot_host_x86_64=out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/meta_lic
+DEXPREOPT_IMAGE_LICENSE_METADATA_mainline_arm=out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/meta_lic
+DEXPREOPT_IMAGE_LICENSE_METADATA_mainline_arm64=out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/meta_lic
+DEXPREOPT_IMAGE_LICENSE_METADATA_mainline_host_x86=out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/meta_lic
+DEXPREOPT_IMAGE_LICENSE_METADATA_mainline_host_x86_64=out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/meta_lic
 DEXPREOPT_IMAGE_LOCATIONS_ON_DEVICEart=/system/framework/boot.art
 DEXPREOPT_IMAGE_LOCATIONS_ON_DEVICEboot=/system/framework/boot.art:/system/framework/boot-framework.art
+DEXPREOPT_IMAGE_LOCATIONS_ON_DEVICEmainline=/system/framework/boot.art:/system/framework/boot-framework.art:/system/framework/boot-framework-foo.art
 DEXPREOPT_IMAGE_LOCATIONS_ON_HOSTart=out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/boot.art
 DEXPREOPT_IMAGE_LOCATIONS_ON_HOSTboot=out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/boot.art:out/soong/test_device/dex_bootjars/android/system/framework/boot-framework.art
-DEXPREOPT_IMAGE_NAMES=art boot
+DEXPREOPT_IMAGE_LOCATIONS_ON_HOSTmainline=out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/boot.art:out/soong/test_device/dex_bootjars/android/system/framework/boot-framework.art:out/soong/test_device/dex_mainlinejars/android/system/framework/boot-framework-foo.art
+DEXPREOPT_IMAGE_NAMES=art boot mainline
 DEXPREOPT_IMAGE_PROFILE_BUILT_INSTALLED=out/soong/test_device/dex_bootjars/boot.bprof:/system/etc/boot-image.bprof out/soong/test_device/dex_bootjars/boot.prof:/system/etc/boot-image.prof
 DEXPREOPT_IMAGE_PROFILE_LICENSE_METADATA=out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/meta_lic
 DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_art_arm=out/soong/test_device/dex_artjars_unstripped/android/apex/art_boot_images/javalib/arm/boot.oat:/apex/art_boot_images/javalib/arm/boot.oat out/soong/test_device/dex_artjars_unstripped/android/apex/art_boot_images/javalib/arm/boot-core2.oat:/apex/art_boot_images/javalib/arm/boot-core2.oat
@@ -743,6 +1113,10 @@
 DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_boot_arm64=out/soong/test_device/dex_bootjars_unstripped/android/system/framework/arm64/boot-framework.oat:/system/framework/arm64/boot-framework.oat
 DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_boot_host_x86=out/soong/test_device/dex_bootjars_unstripped/linux_glibc/system/framework/x86/boot-framework.oat:/system/framework/x86/boot-framework.oat
 DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_boot_host_x86_64=out/soong/test_device/dex_bootjars_unstripped/linux_glibc/system/framework/x86_64/boot-framework.oat:/system/framework/x86_64/boot-framework.oat
+DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_mainline_arm=out/soong/test_device/dex_mainlinejars_unstripped/android/system/framework/arm/boot-framework-foo.oat:/system/framework/arm/boot-framework-foo.oat
+DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_mainline_arm64=out/soong/test_device/dex_mainlinejars_unstripped/android/system/framework/arm64/boot-framework-foo.oat:/system/framework/arm64/boot-framework-foo.oat
+DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_mainline_host_x86=out/soong/test_device/dex_mainlinejars_unstripped/linux_glibc/system/framework/x86/boot-framework-foo.oat:/system/framework/x86/boot-framework-foo.oat
+DEXPREOPT_IMAGE_UNSTRIPPED_BUILT_INSTALLED_mainline_host_x86_64=out/soong/test_device/dex_mainlinejars_unstripped/linux_glibc/system/framework/x86_64/boot-framework-foo.oat:/system/framework/x86_64/boot-framework-foo.oat
 DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_art_arm=out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot.vdex:/apex/art_boot_images/javalib/arm/boot.vdex out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot-core2.vdex:/apex/art_boot_images/javalib/arm/boot-core2.vdex
 DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_art_arm64=out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot.vdex:/apex/art_boot_images/javalib/arm64/boot.vdex out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot-core2.vdex:/apex/art_boot_images/javalib/arm64/boot-core2.vdex
 DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_art_host_x86=out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot.vdex:/apex/art_boot_images/javalib/x86/boot.vdex out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot-core2.vdex:/apex/art_boot_images/javalib/x86/boot-core2.vdex
@@ -751,8 +1125,13 @@
 DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_boot_arm64=out/soong/test_device/dex_bootjars/android/system/framework/arm64/boot-framework.vdex:/system/framework/arm64/boot-framework.vdex
 DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_boot_host_x86=out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86/boot-framework.vdex:/system/framework/x86/boot-framework.vdex
 DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_boot_host_x86_64=out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86_64/boot-framework.vdex:/system/framework/x86_64/boot-framework.vdex
+DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_mainline_arm=out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.vdex:/system/framework/arm/boot-framework-foo.vdex
+DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_mainline_arm64=out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.vdex:/system/framework/arm64/boot-framework-foo.vdex
+DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_mainline_host_x86=out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.vdex:/system/framework/x86/boot-framework-foo.vdex
+DEXPREOPT_IMAGE_VDEX_BUILT_INSTALLED_mainline_host_x86_64=out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.vdex:/system/framework/x86_64/boot-framework-foo.vdex
 DEXPREOPT_IMAGE_ZIP_art=out/soong/test_device/dex_artjars/art.zip
 DEXPREOPT_IMAGE_ZIP_boot=out/soong/test_device/dex_bootjars/boot.zip
+DEXPREOPT_IMAGE_ZIP_mainline=out/soong/test_device/dex_mainlinejars/mainline.zip
 DEXPREOPT_IMAGE_art_arm=out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm/boot.art
 DEXPREOPT_IMAGE_art_arm64=out/soong/test_device/dex_artjars/android/apex/art_boot_images/javalib/arm64/boot.art
 DEXPREOPT_IMAGE_art_host_x86=out/soong/test_device/dex_artjars/linux_glibc/apex/art_boot_images/javalib/x86/boot.art
@@ -761,6 +1140,10 @@
 DEXPREOPT_IMAGE_boot_arm64=out/soong/test_device/dex_bootjars/android/system/framework/arm64/boot-framework.art
 DEXPREOPT_IMAGE_boot_host_x86=out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86/boot-framework.art
 DEXPREOPT_IMAGE_boot_host_x86_64=out/soong/test_device/dex_bootjars/linux_glibc/system/framework/x86_64/boot-framework.art
+DEXPREOPT_IMAGE_mainline_arm=out/soong/test_device/dex_mainlinejars/android/system/framework/arm/boot-framework-foo.art
+DEXPREOPT_IMAGE_mainline_arm64=out/soong/test_device/dex_mainlinejars/android/system/framework/arm64/boot-framework-foo.art
+DEXPREOPT_IMAGE_mainline_host_x86=out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86/boot-framework-foo.art
+DEXPREOPT_IMAGE_mainline_host_x86_64=out/soong/test_device/dex_mainlinejars/linux_glibc/system/framework/x86_64/boot-framework-foo.art
 `
 	expected := strings.TrimSpace(fmt.Sprintf(format, expectedLicenseMetadataFile))
 	actual := strings.TrimSpace(out.String())
diff --git a/java/hiddenapi_modular.go b/java/hiddenapi_modular.go
index be4a48e..e2db0cd 100644
--- a/java/hiddenapi_modular.go
+++ b/java/hiddenapi_modular.go
@@ -236,9 +236,9 @@
 		testStubModules = append(testStubModules, "sdk_test_current_android")
 	} else {
 		// Use stub modules built from source
-		publicStubModules = append(publicStubModules, "android_stubs_current")
-		systemStubModules = append(systemStubModules, "android_system_stubs_current")
-		testStubModules = append(testStubModules, "android_test_stubs_current")
+		publicStubModules = append(publicStubModules, android.SdkPublic.JavaLibraryName(config))
+		systemStubModules = append(systemStubModules, android.SdkSystem.JavaLibraryName(config))
+		testStubModules = append(testStubModules, android.SdkTest.JavaLibraryName(config))
 	}
 	// We do not have prebuilts of the core platform api yet
 	corePlatformStubModules = append(corePlatformStubModules, "legacy.core.platform.api.stubs")
diff --git a/java/java.go b/java/java.go
index 61f5949..0841dad 100644
--- a/java/java.go
+++ b/java/java.go
@@ -2787,11 +2787,12 @@
 	depLabels.StaticDeps = bazel.MakeLabelListAttribute(staticDeps)
 
 	hasKotlin := !kotlinSrcs.IsEmpty()
+	commonAttrs.kotlinAttributes = &kotlinAttributes{
+		Kotlincflags: &m.properties.Kotlincflags,
+	}
 	if len(m.properties.Common_srcs) != 0 {
 		hasKotlin = true
-		commonAttrs.kotlinAttributes = &kotlinAttributes{
-			bazel.MakeLabelListAttribute(android.BazelLabelForModuleSrc(ctx, m.properties.Common_srcs)),
-		}
+		commonAttrs.kotlinAttributes.Common_srcs = bazel.MakeLabelListAttribute(android.BazelLabelForModuleSrc(ctx, m.properties.Common_srcs))
 	}
 
 	bp2BuildInfo := &bp2BuildJavaInfo{
@@ -2810,7 +2811,22 @@
 }
 
 type kotlinAttributes struct {
-	Common_srcs bazel.LabelListAttribute
+	Common_srcs  bazel.LabelListAttribute
+	Kotlincflags *[]string
+}
+
+func ktJvmLibraryBazelTargetModuleProperties() bazel.BazelTargetModuleProperties {
+	return bazel.BazelTargetModuleProperties{
+		Rule_class:        "kt_jvm_library",
+		Bzl_load_location: "//build/bazel/rules/kotlin:rules.bzl",
+	}
+}
+
+func javaLibraryBazelTargetModuleProperties() bazel.BazelTargetModuleProperties {
+	return bazel.BazelTargetModuleProperties{
+		Rule_class:        "java_library",
+		Bzl_load_location: "//build/bazel/rules/java:rules.bzl",
+	}
 }
 
 func javaLibraryBp2Build(ctx android.TopDownMutatorContext, m *Library) {
@@ -2842,15 +2858,9 @@
 	name := m.Name()
 
 	if !bp2BuildInfo.hasKotlin {
-		props = bazel.BazelTargetModuleProperties{
-			Rule_class:        "java_library",
-			Bzl_load_location: "//build/bazel/rules/java:library.bzl",
-		}
+		props = javaLibraryBazelTargetModuleProperties()
 	} else {
-		props = bazel.BazelTargetModuleProperties{
-			Rule_class:        "kt_jvm_library",
-			Bzl_load_location: "//build/bazel/rules/kotlin:kt_jvm_library.bzl",
-		}
+		props = ktJvmLibraryBazelTargetModuleProperties()
 	}
 
 	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: name}, attrs)
@@ -2929,35 +2939,38 @@
 	}
 
 	props := bazel.BazelTargetModuleProperties{
-		Rule_class: "java_binary",
+		Rule_class:        "java_binary",
+		Bzl_load_location: "//build/bazel/rules/java:rules.bzl",
 	}
-	attrs := &javaBinaryHostAttributes{
+	binAttrs := &javaBinaryHostAttributes{
 		Runtime_deps: runtimeDeps,
 		Main_class:   mainClass,
 		Jvm_flags:    jvmFlags,
 	}
 
-	if !bp2BuildInfo.hasKotlin {
-		attrs.javaCommonAttributes = commonAttrs
-		attrs.Deps = deps
-	} else {
-		ktName := m.Name() + "_kt"
-		ktProps := bazel.BazelTargetModuleProperties{
-			Rule_class:        "kt_jvm_library",
-			Bzl_load_location: "//build/bazel/rules/kotlin:kt_jvm_library.bzl",
-		}
-
-		ktAttrs := &javaLibraryAttributes{
-			Deps:                 deps,
-			javaCommonAttributes: commonAttrs,
-		}
-
-		ctx.CreateBazelTargetModule(ktProps, android.CommonAttributes{Name: ktName}, ktAttrs)
-		attrs.Runtime_deps.Add(&bazel.LabelAttribute{Value: &bazel.Label{Label: ":" + ktName}})
+	if commonAttrs.Srcs.IsEmpty() {
+		binAttrs.javaCommonAttributes = commonAttrs
+		ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: m.Name()}, binAttrs)
+		return
 	}
 
+	libName := m.Name() + "_lib"
+	var libProps bazel.BazelTargetModuleProperties
+	if bp2BuildInfo.hasKotlin {
+		libProps = ktJvmLibraryBazelTargetModuleProperties()
+	} else {
+		libProps = javaLibraryBazelTargetModuleProperties()
+	}
+	libAttrs := &javaLibraryAttributes{
+		Deps:                 deps,
+		javaCommonAttributes: commonAttrs,
+	}
+
+	ctx.CreateBazelTargetModule(libProps, android.CommonAttributes{Name: libName}, libAttrs)
+	binAttrs.Runtime_deps.Add(&bazel.LabelAttribute{Value: &bazel.Label{Label: ":" + libName}})
+
 	// Create the BazelTargetModule.
-	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: m.Name()}, attrs)
+	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: m.Name()}, binAttrs)
 }
 
 type bazelJavaImportAttributes struct {
@@ -2981,7 +2994,10 @@
 	attrs := &bazelJavaImportAttributes{
 		Jars: jars,
 	}
-	props := bazel.BazelTargetModuleProperties{Rule_class: "java_import"}
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class:        "java_import",
+		Bzl_load_location: "//build/bazel/rules/java:rules.bzl",
+	}
 
 	name := android.RemoveOptionalPrebuiltPrefix(i.Name())
 
@@ -2992,7 +3008,10 @@
 		Neverlink: bazel.BoolAttribute{Value: &neverlink},
 		Exports:   bazel.MakeSingleLabelListAttribute(bazel.Label{Label: ":" + name}),
 	}
-	ctx.CreateBazelTargetModule(bazel.BazelTargetModuleProperties{Rule_class: "java_library"}, android.CommonAttributes{Name: name + "-neverlink"}, neverlinkAttrs)
+	ctx.CreateBazelTargetModule(
+		javaLibraryBazelTargetModuleProperties(),
+		android.CommonAttributes{Name: name + "-neverlink"},
+		neverlinkAttrs)
 
 }
 
diff --git a/java/lint_defaults.txt b/java/lint_defaults.txt
index 061f4d0..1bb4996 100644
--- a/java/lint_defaults.txt
+++ b/java/lint_defaults.txt
@@ -40,6 +40,13 @@
 # NewApi checks will continue to be enforced for apex deps since
 # lint.strict_updatability_linting will be true for those Soong modules
 --disable_check NewApi
+# Disable ChromeOS specific checks
+--disable_check PermissionImpliesUnsupportedChromeOsHardware
+# Disable UnsafeImplicitIntentLaunch until it can avoid false positives/crash
+# TODO(265425607)
+--disable_check UnsafeImplicitIntentLaunch
+# InvalidId will give errors on ids defined like android:id="@androidprv:id/contentPanel"
+--disable_check InvalidId
 
 # Downgrade existing errors to warnings
 --warning_check AppCompatResource                  # 55 occurences in 10 modules
diff --git a/java/platform_bootclasspath.go b/java/platform_bootclasspath.go
index 5824f08..0ea3609 100644
--- a/java/platform_bootclasspath.go
+++ b/java/platform_bootclasspath.go
@@ -414,6 +414,7 @@
 	frameworkBootImageConfig := defaultBootImageConfig(ctx)
 	bootFrameworkProfileRule(ctx, frameworkBootImageConfig)
 	b.generateBootImage(ctx, frameworkBootImageName, platformModules)
+	b.generateBootImage(ctx, mainlineBootImageName, apexModules)
 	b.copyApexBootJarsForAppsDexpreopt(ctx, apexModules)
 	dumpOatRules(ctx, frameworkBootImageConfig)
 }
diff --git a/java/sdk.go b/java/sdk.go
index 1e7727b..72a5006 100644
--- a/java/sdk.go
+++ b/java/sdk.go
@@ -191,12 +191,8 @@
 			bootclasspath:    corePlatformBootclasspathLibraries(ctx),
 			noFrameworksLibs: true,
 		}
-	case android.SdkPublic:
-		return toModule("android_stubs_current", sdkFrameworkAidlPath(ctx))
-	case android.SdkSystem:
-		return toModule("android_system_stubs_current", sdkFrameworkAidlPath(ctx))
-	case android.SdkTest:
-		return toModule("android_test_stubs_current", sdkFrameworkAidlPath(ctx))
+	case android.SdkPublic, android.SdkSystem, android.SdkTest:
+		return toModule(sdkVersion.Kind.JavaLibraryName(ctx.Config()), sdkFrameworkAidlPath(ctx))
 	case android.SdkCore:
 		return sdkDep{
 			useModule:        true,
@@ -206,10 +202,10 @@
 		}
 	case android.SdkModule:
 		// TODO(146757305): provide .apk and .aidl that have more APIs for modules
-		return toModule("android_module_lib_stubs_current", nonUpdatableFrameworkAidlPath(ctx))
+		return toModule(sdkVersion.Kind.JavaLibraryName(ctx.Config()), nonUpdatableFrameworkAidlPath(ctx))
 	case android.SdkSystemServer:
 		// TODO(146757305): provide .apk and .aidl that have more APIs for modules
-		return toModule("android_system_server_stubs_current", sdkFrameworkAidlPath(ctx))
+		return toModule(sdkVersion.Kind.JavaLibraryName(ctx.Config()), sdkFrameworkAidlPath(ctx))
 	default:
 		panic(fmt.Errorf("invalid sdk %q", sdkVersion.Raw))
 	}
@@ -272,9 +268,9 @@
 // Create framework.aidl by extracting anything that implements android.os.Parcelable from the SDK stubs modules.
 func createSdkFrameworkAidl(ctx android.SingletonContext) {
 	stubsModules := []string{
-		"android_stubs_current",
-		"android_test_stubs_current",
-		"android_system_stubs_current",
+		android.SdkPublic.JavaLibraryName(ctx.Config()),
+		android.SdkTest.JavaLibraryName(ctx.Config()),
+		android.SdkSystem.JavaLibraryName(ctx.Config()),
 	}
 
 	combinedAidl := sdkFrameworkAidlPath(ctx)
@@ -289,7 +285,7 @@
 
 // Creates a version of framework.aidl for the non-updatable part of the platform.
 func createNonUpdatableFrameworkAidl(ctx android.SingletonContext) {
-	stubsModules := []string{"android_module_lib_stubs_current"}
+	stubsModules := []string{android.SdkModule.JavaLibraryName(ctx.Config())}
 
 	combinedAidl := nonUpdatableFrameworkAidlPath(ctx)
 	tempPath := tempPathForRestat(ctx, combinedAidl)
diff --git a/mk2rbc/Android.bp b/mk2rbc/Android.bp
index 4fa3eb6..cd80a4d 100644
--- a/mk2rbc/Android.bp
+++ b/mk2rbc/Android.bp
@@ -19,7 +19,7 @@
 
 blueprint_go_binary {
     name: "mk2rbc",
-    srcs: ["cmd/mk2rbc.go"],
+    srcs: ["mk2rbc/mk2rbc.go"],
     deps: [
         "mk2rbc-lib",
         "androidmk-parser",
diff --git a/mk2rbc/cmd/mk2rbc.go b/mk2rbc/mk2rbc/mk2rbc.go
similarity index 100%
rename from mk2rbc/cmd/mk2rbc.go
rename to mk2rbc/mk2rbc/mk2rbc.go
diff --git a/python/scripts/stub_template_host.txt b/python/scripts/stub_template_host.txt
index 5eedc18..2d1bd4a 100644
--- a/python/scripts/stub_template_host.txt
+++ b/python/scripts/stub_template_host.txt
@@ -3,6 +3,7 @@
 import os
 import tempfile
 import shutil
+import signal
 import sys
 import subprocess
 import zipfile
@@ -43,7 +44,18 @@
     sys.stdout.flush()
     # close_fds=False so that you can run binaries with files provided on the command line:
     # my_python_app --file <(echo foo)
-    sys.exit(subprocess.call(args, close_fds=False))
+    p = subprocess.Popen(args, close_fds=False)
+
+    def handler(sig, frame):
+      p.send_signal(sig)
+
+    # Redirect SIGINT and SIGTERM to subprocess
+    signal.signal(signal.SIGINT, handler)
+    signal.signal(signal.SIGTERM, handler)
+
+    p.wait()
+
+    sys.exit(p.returncode)
   finally:
     shutil.rmtree(runfiles_path, ignore_errors=True)
 
diff --git a/python/test.go b/python/test.go
index fb8e918..31da17e 100644
--- a/python/test.go
+++ b/python/test.go
@@ -15,6 +15,8 @@
 package python
 
 import (
+	"fmt"
+
 	"github.com/google/blueprint/proptools"
 
 	"android/soong/android"
@@ -63,7 +65,22 @@
 	Java_data []string
 
 	// Test options.
-	Test_options android.CommonTestOptions
+	Test_options TestOptions
+}
+
+type TestOptions struct {
+	android.CommonTestOptions
+
+	// Runner for the test. Supports "tradefed" and "mobly" (for multi-device tests). Default is "tradefed".
+	Runner *string
+
+	// Metadata to describe the test configuration.
+	Metadata []Metadata
+}
+
+type Metadata struct {
+	Name  string
+	Value string
 }
 
 type PythonTestModule struct {
@@ -94,14 +111,41 @@
 	p.PythonLibraryModule.GenerateAndroidBuildActions(ctx)
 	p.buildBinary(ctx)
 
-	p.testConfig = tradefed.AutoGenTestConfig(ctx, tradefed.AutoGenTestConfigOptions{
-		TestConfigProp:         p.testProperties.Test_config,
-		TestConfigTemplateProp: p.testProperties.Test_config_template,
-		TestSuites:             p.binaryProperties.Test_suites,
-		AutoGenConfig:          p.binaryProperties.Auto_gen_config,
-		DeviceTemplate:         "${PythonBinaryHostTestConfigTemplate}",
-		HostTemplate:           "${PythonBinaryHostTestConfigTemplate}",
-	})
+	var configs []tradefed.Option
+	for _, metadata := range p.testProperties.Test_options.Metadata {
+		configs = append(configs, tradefed.Option{Name: "config-descriptor:metadata", Key: metadata.Name, Value: metadata.Value})
+	}
+
+	runner := proptools.StringDefault(p.testProperties.Test_options.Runner, "tradefed")
+	if runner == "tradefed" {
+		p.testConfig = tradefed.AutoGenTestConfig(ctx, tradefed.AutoGenTestConfigOptions{
+			TestConfigProp:          p.testProperties.Test_config,
+			TestConfigTemplateProp:  p.testProperties.Test_config_template,
+			TestSuites:              p.binaryProperties.Test_suites,
+			OptionsForAutogenerated: configs,
+			AutoGenConfig:           p.binaryProperties.Auto_gen_config,
+			DeviceTemplate:          "${PythonBinaryHostTestConfigTemplate}",
+			HostTemplate:            "${PythonBinaryHostTestConfigTemplate}",
+		})
+	} else if runner == "mobly" {
+		if p.testProperties.Test_config != nil || p.testProperties.Test_config_template != nil || p.binaryProperties.Auto_gen_config != nil {
+			panic(fmt.Errorf("cannot set test_config, test_config_template or auto_gen_config for mobly test"))
+		}
+
+		for _, testSuite := range p.binaryProperties.Test_suites {
+			if testSuite == "cts" {
+				configs = append(configs, tradefed.Option{Name: "test-suite-tag", Value: "cts"})
+				break
+			}
+		}
+		p.testConfig = tradefed.AutoGenTestConfig(ctx, tradefed.AutoGenTestConfigOptions{
+			OptionsForAutogenerated: configs,
+			DeviceTemplate:          "${PythonBinaryHostMoblyTestConfigTemplate}",
+			HostTemplate:            "${PythonBinaryHostMoblyTestConfigTemplate}",
+		})
+	} else {
+		panic(fmt.Errorf("unknown python test runner '%s', should be 'tradefed' or 'mobly'", runner))
+	}
 
 	p.installedDest = ctx.InstallFile(installDir(ctx, "nativetest", "nativetest64", ctx.ModuleName()), p.installSource.Base(), p.installSource)
 
diff --git a/rust/androidmk.go b/rust/androidmk.go
index 20e9919..5e680b0 100644
--- a/rust/androidmk.go
+++ b/rust/androidmk.go
@@ -43,6 +43,10 @@
 	}
 }
 
+func (mod *Module) AndroidMkSuffix() string {
+	return mod.Properties.RustSubName + mod.Properties.SubName
+}
+
 func (mod *Module) AndroidMkEntries() []android.AndroidMkEntries {
 	if mod.Properties.HideFromMake || mod.hideApexVariantFromMake {
 
@@ -79,8 +83,7 @@
 		mod.SubAndroidMk(&ret, mod.sanitize)
 	}
 
-	ret.SubName += mod.Properties.RustSubName
-	ret.SubName += mod.Properties.SubName
+	ret.SubName += mod.AndroidMkSuffix()
 
 	return []android.AndroidMkEntries{ret}
 }
@@ -152,6 +155,11 @@
 		})
 }
 
+func (library *snapshotLibraryDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkEntries) {
+	ctx.SubAndroidMk(ret, library.libraryDecorator)
+	ret.SubName = library.SnapshotAndroidMkSuffix()
+}
+
 func (procMacro *procMacroDecorator) AndroidMk(ctx AndroidMkContext, ret *android.AndroidMkEntries) {
 	ctx.SubAndroidMk(ret, procMacro.baseCompiler)
 
diff --git a/rust/config/global.go b/rust/config/global.go
index 9375022..8894938 100644
--- a/rust/config/global.go
+++ b/rust/config/global.go
@@ -24,7 +24,7 @@
 var pctx = android.NewPackageContext("android/soong/rust/config")
 
 var (
-	RustDefaultVersion = "1.67.1"
+	RustDefaultVersion = "1.68.0"
 	RustDefaultBase    = "prebuilts/rust/"
 	DefaultEdition     = "2021"
 	Stdlibs            = []string{
diff --git a/rust/rust.go b/rust/rust.go
index 8a13ba3..018cdab 100644
--- a/rust/rust.go
+++ b/rust/rust.go
@@ -26,6 +26,7 @@
 	"android/soong/cc"
 	cc_config "android/soong/cc/config"
 	"android/soong/fuzz"
+	"android/soong/multitree"
 	"android/soong/rust/config"
 	"android/soong/snapshot"
 )
@@ -1111,6 +1112,17 @@
 	return nil
 }
 
+func rustMakeLibName(ctx android.ModuleContext, c cc.LinkableInterface, dep cc.LinkableInterface, depName string) string {
+	if rustDep, ok := dep.(*Module); ok {
+		// Use base module name for snapshots when exporting to Makefile.
+		if snapshotPrebuilt, ok := rustDep.compiler.(cc.SnapshotInterface); ok {
+			baseName := rustDep.BaseModuleName()
+			return baseName + snapshotPrebuilt.SnapshotAndroidMkSuffix() + rustDep.AndroidMkSuffix()
+		}
+	}
+	return cc.MakeLibName(ctx, c, dep, depName)
+}
+
 func (mod *Module) depsToPaths(ctx android.ModuleContext) PathDeps {
 	var depPaths PathDeps
 
@@ -1136,13 +1148,59 @@
 		mod.apexSdkVersion = android.FutureApiLevel
 	}
 
+	skipModuleList := map[string]bool{}
+
+	var apiImportInfo multitree.ApiImportInfo
+	hasApiImportInfo := false
+
+	ctx.VisitDirectDeps(func(dep android.Module) {
+		if dep.Name() == "api_imports" {
+			apiImportInfo = ctx.OtherModuleProvider(dep, multitree.ApiImportsProvider).(multitree.ApiImportInfo)
+			hasApiImportInfo = true
+		}
+	})
+
+	if hasApiImportInfo {
+		targetStubModuleList := map[string]string{}
+		targetOrigModuleList := map[string]string{}
+
+		// Search for dependency which both original module and API imported library with APEX stub exists
+		ctx.VisitDirectDeps(func(dep android.Module) {
+			depName := ctx.OtherModuleName(dep)
+			if apiLibrary, ok := apiImportInfo.ApexSharedLibs[depName]; ok {
+				targetStubModuleList[apiLibrary] = depName
+			}
+		})
+		ctx.VisitDirectDeps(func(dep android.Module) {
+			depName := ctx.OtherModuleName(dep)
+			if origLibrary, ok := targetStubModuleList[depName]; ok {
+				targetOrigModuleList[origLibrary] = depName
+			}
+		})
+
+		// Decide which library should be used between original and API imported library
+		ctx.VisitDirectDeps(func(dep android.Module) {
+			depName := ctx.OtherModuleName(dep)
+			if apiLibrary, ok := targetOrigModuleList[depName]; ok {
+				if cc.ShouldUseStubForApex(ctx, dep) {
+					skipModuleList[depName] = true
+				} else {
+					skipModuleList[apiLibrary] = true
+				}
+			}
+		})
+	}
+
 	ctx.VisitDirectDeps(func(dep android.Module) {
 		depName := ctx.OtherModuleName(dep)
 		depTag := ctx.OtherModuleDependencyTag(dep)
 
+		if _, exists := skipModuleList[depName]; exists {
+			return
+		}
 		if rustDep, ok := dep.(*Module); ok && !rustDep.CcLibraryInterface() {
 			//Handle Rust Modules
-			makeLibName := cc.MakeLibName(ctx, mod, rustDep, depName+rustDep.Properties.RustSubName)
+			makeLibName := rustMakeLibName(ctx, mod, rustDep, depName+rustDep.Properties.RustSubName)
 
 			switch depTag {
 			case dylibDepTag:
@@ -1395,6 +1453,16 @@
 	return strings.Split(filepath.String(), filepath.Base())[0]
 }
 
+// usePublicApi returns true if the rust variant should link against NDK (publicapi)
+func (r *Module) usePublicApi() bool {
+	return r.Device() && r.UseSdk()
+}
+
+// useVendorApi returns true if the rust variant should link against LLNDK (vendorapi)
+func (r *Module) useVendorApi() bool {
+	return r.Device() && (r.InVendor() || r.InProduct())
+}
+
 func (mod *Module) DepsMutator(actx android.BottomUpMutatorContext) {
 	ctx := &depsContext{
 		BottomUpMutatorContext: actx,
@@ -1405,8 +1473,10 @@
 	var snapshotInfo *cc.SnapshotInfo
 
 	apiImportInfo := cc.GetApiImports(mod, actx)
-	for idx, lib := range deps.SharedLibs {
-		deps.SharedLibs[idx] = cc.GetReplaceModuleName(lib, apiImportInfo.SharedLibs)
+	if mod.usePublicApi() || mod.useVendorApi() {
+		for idx, lib := range deps.SharedLibs {
+			deps.SharedLibs[idx] = cc.GetReplaceModuleName(lib, apiImportInfo.SharedLibs)
+		}
 	}
 
 	if ctx.Os() == android.Android {
@@ -1486,7 +1556,15 @@
 		variations := []blueprint.Variation{
 			{Mutator: "link", Variation: "shared"},
 		}
-		cc.AddSharedLibDependenciesWithVersions(ctx, mod, variations, depTag, name, version, false)
+		// For core variant, add a dep on the implementation (if it exists) and its .apiimport (if it exists)
+		// GenerateAndroidBuildActions will pick the correct impl/stub based on the api_domain boundary
+		if _, ok := apiImportInfo.ApexSharedLibs[name]; !ok || ctx.OtherModuleExists(name) {
+			cc.AddSharedLibDependenciesWithVersions(ctx, mod, variations, depTag, name, version, false)
+		}
+
+		if apiLibraryName, ok := apiImportInfo.ApexSharedLibs[name]; ok {
+			cc.AddSharedLibDependenciesWithVersions(ctx, mod, variations, depTag, apiLibraryName, version, false)
+		}
 	}
 
 	for _, lib := range deps.WholeStaticLibs {
diff --git a/rust/vendor_snapshot_test.go b/rust/vendor_snapshot_test.go
index 7be0042..e1b3c86 100644
--- a/rust/vendor_snapshot_test.go
+++ b/rust/vendor_snapshot_test.go
@@ -424,6 +424,14 @@
 		compile_multilib: "32",
 		srcs: ["bin.rs"],
 	}
+
+	rust_library {
+		name: "librust_vendor_available",
+		crate_name: "rust_vendor",
+		vendor_available: true,
+		srcs: ["client.rs"],
+	}
+
 `
 
 	vndkBp := `
@@ -499,13 +507,6 @@
 		system_shared_libs: [],
 	}
 
-	rust_library {
-		name: "librust_vendor_available",
-		crate_name: "rust_vendor",
-		vendor_available: true,
-		srcs: ["client.rs"],
-	}
-
 	rust_ffi_shared {
 		name: "libclient",
 		crate_name: "client",
@@ -963,7 +964,7 @@
 	}
 
 	libclientAndroidMkRlibs := ctx.ModuleForTests("libclient", sharedVariant).Module().(*Module).Properties.AndroidMkRlibs
-	if g, w := libclientAndroidMkRlibs, []string{"librust_vendor_available.vendor_rlib.30.arm64.rlib-std", "libstd.vendor_rlib.30.arm64"}; !reflect.DeepEqual(g, w) {
+	if g, w := libclientAndroidMkRlibs, []string{"librust_vendor_available.vendor.rlib-std", "libstd.vendor"}; !reflect.DeepEqual(g, w) {
 		t.Errorf("wanted libclient libclientAndroidMkRlibs %q, got %q", w, g)
 	}
 
@@ -978,10 +979,24 @@
 	}
 
 	libclientRustAndroidMkRlibs := ctx.ModuleForTests("libclient_rust", rlibVariant).Module().(*Module).Properties.AndroidMkRlibs
-	if g, w := libclientRustAndroidMkRlibs, []string{"librust_vendor_available.vendor_rlib.30.arm64.rlib-std", "libstd.vendor_rlib.30.arm64"}; !reflect.DeepEqual(g, w) {
+	if g, w := libclientRustAndroidMkRlibs, []string{"librust_vendor_available.vendor.rlib-std", "libstd.vendor"}; !reflect.DeepEqual(g, w) {
 		t.Errorf("wanted libclient libclientAndroidMkRlibs %q, got %q", w, g)
 	}
 
+	// rust vendor snapshot must have ".vendor" suffix in AndroidMk
+	librustVendorAvailableSnapshotModule := ctx.ModuleForTests("librust_vendor_available.vendor_rlib.30.arm64", rlibVariant).Module()
+	librustVendorSnapshotMkName := android.AndroidMkEntriesForTest(t, ctx, librustVendorAvailableSnapshotModule)[0].EntryMap["LOCAL_MODULE"][0]
+	expectedRustVendorSnapshotName := "librust_vendor_available.vendor.rlib-std"
+	if librustVendorSnapshotMkName != expectedRustVendorSnapshotName {
+		t.Errorf("Unexpected rust vendor snapshot name in AndroidMk: %q, expected: %q\n", librustVendorSnapshotMkName, expectedRustVendorSnapshotName)
+	}
+
+	rustVendorBinModule := ctx.ModuleForTests("bin_without_snapshot", binaryVariant).Module()
+	rustVendorBinMkRlibName := android.AndroidMkEntriesForTest(t, ctx, rustVendorBinModule)[0].EntryMap["LOCAL_RLIB_LIBRARIES"][0]
+	if rustVendorBinMkRlibName != expectedRustVendorSnapshotName {
+		t.Errorf("Unexpected rust rlib name in AndroidMk: %q, expected: %q\n", rustVendorBinMkRlibName, expectedRustVendorSnapshotName)
+	}
+
 	binWithoutSnapshotLdFlags := ctx.ModuleForTests("bin_without_snapshot", binaryVariant).Rule("rustc").Args["linkFlags"]
 	libVndkStaticOutputPaths := cc.GetOutputPaths(ctx, staticVariant, []string{"libvndk.vendor_static.30.arm64"})
 	if !strings.Contains(binWithoutSnapshotLdFlags, libVndkStaticOutputPaths[0].String()) {
diff --git a/scripts/Android.bp b/scripts/Android.bp
index ddbba74..26fe432 100644
--- a/scripts/Android.bp
+++ b/scripts/Android.bp
@@ -231,3 +231,8 @@
     srcs: ["rustfmt.toml"],
     visibility: ["//visibility:public"],
 }
+
+sh_binary_host {
+    name: "jars-to-module-info-java",
+    src: "jars-to-module-info-java.sh",
+}
diff --git a/scripts/build-ndk-prebuilts.sh b/scripts/build-ndk-prebuilts.sh
index b57963b..0d14019 100755
--- a/scripts/build-ndk-prebuilts.sh
+++ b/scripts/build-ndk-prebuilts.sh
@@ -19,7 +19,12 @@
     exit 1
 fi
 
-TARGET_PRODUCT=ndk build/soong/soong_ui.bash --make-mode --soong-only ${OUT_DIR}/soong/ndk.timestamp
+# TODO: remove ALLOW_MISSING_DEPENDENCIES=true when all the riscv64
+# dependencies exist (currently blocked by http://b/273792258).
+# TODO: remove BUILD_BROKEN_DISABLE_BAZEL=1 when bazel supports riscv64 (http://b/262192655).
+ALLOW_MISSING_DEPENDENCIES=true \
+BUILD_BROKEN_DISABLE_BAZEL=1 \
+    TARGET_PRODUCT=ndk build/soong/soong_ui.bash --make-mode --soong-only ${OUT_DIR}/soong/ndk.timestamp
 
 if [ -n "${DIST_DIR}" ]; then
     mkdir -p ${DIST_DIR} || true
diff --git a/sdk/bootclasspath_fragment_sdk_test.go b/sdk/bootclasspath_fragment_sdk_test.go
index d81635e..0d6496d 100644
--- a/sdk/bootclasspath_fragment_sdk_test.go
+++ b/sdk/bootclasspath_fragment_sdk_test.go
@@ -27,6 +27,11 @@
 // fixtureAddPlatformBootclasspathForBootclasspathFragment adds a platform_bootclasspath module that
 // references the bootclasspath fragment.
 func fixtureAddPlatformBootclasspathForBootclasspathFragment(apex, fragment string) android.FixturePreparer {
+	return fixtureAddPlatformBootclasspathForBootclasspathFragmentWithExtra(apex, fragment, "")
+}
+
+// fixtureAddPlatformBootclasspathForBootclasspathFragmentWithExtra is the same as above, but also adds extra fragments.
+func fixtureAddPlatformBootclasspathForBootclasspathFragmentWithExtra(apex, fragment, extraFragments string) android.FixturePreparer {
 	return android.GroupFixturePreparers(
 		// Add a platform_bootclasspath module.
 		android.FixtureAddTextFile("frameworks/base/boot/Android.bp", fmt.Sprintf(`
@@ -37,9 +42,10 @@
 						apex: "%s",
 						module: "%s",
 					},
+					%s
 				],
 			}
-		`, apex, fragment)),
+		`, apex, fragment, extraFragments)),
 		android.FixtureAddFile("frameworks/base/config/boot-profile.txt", nil),
 		android.FixtureAddFile("frameworks/base/config/boot-image-profile.txt", nil),
 		android.FixtureAddFile("build/soong/scripts/check_boot_jars/package_allowed_list.txt", nil),
@@ -79,9 +85,11 @@
 		}),
 
 		// Add a platform_bootclasspath that depends on the fragment.
-		fixtureAddPlatformBootclasspathForBootclasspathFragment("com.android.art", "mybootclasspathfragment"),
+		fixtureAddPlatformBootclasspathForBootclasspathFragmentWithExtra(
+			"com.android.art", "mybootclasspathfragment", java.ApexBootJarFragmentsForPlatformBootclasspath),
 
 		java.PrepareForBootImageConfigTest,
+		java.PrepareApexBootJarConfigsAndModules,
 		android.FixtureWithRootAndroidBp(`
 			sdk {
 				name: "mysdk",
@@ -196,9 +204,15 @@
 		snapshotTestChecker(checkSnapshotWithoutSource, func(t *testing.T, result *android.TestResult) {
 			// Make sure that the boot jars package check rule includes the dex jars retrieved from the prebuilt apex.
 			checkBootJarsPackageCheckRule(t, result,
-				"out/soong/.intermediates/prebuilts/apex/com.android.art.deapexer/android_common/deapexer/javalib/core1.jar",
-				"out/soong/.intermediates/prebuilts/apex/com.android.art.deapexer/android_common/deapexer/javalib/core2.jar",
-				"out/soong/.intermediates/default/java/framework/android_common/aligned/framework.jar")
+				append(
+					[]string{
+						"out/soong/.intermediates/prebuilts/apex/com.android.art.deapexer/android_common/deapexer/javalib/core1.jar",
+						"out/soong/.intermediates/prebuilts/apex/com.android.art.deapexer/android_common/deapexer/javalib/core2.jar",
+						"out/soong/.intermediates/default/java/framework/android_common/aligned/framework.jar",
+					},
+					java.ApexBootJarDexJarPaths...,
+				)...,
+			)
 			java.CheckMutatedArtBootImageConfig(t, result, "out/soong/.intermediates/snapshot/mybootclasspathfragment/android_common_com.android.art/meta_lic")
 			java.CheckMutatedFrameworkBootImageConfig(t, result, "out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/meta_lic")
 		}),
@@ -222,9 +236,15 @@
 
 	// Make sure that the boot jars package check rule includes the dex jars created from the source.
 	checkBootJarsPackageCheckRule(t, result,
-		"out/soong/.intermediates/core1/android_common_apex10000/aligned/core1.jar",
-		"out/soong/.intermediates/core2/android_common_apex10000/aligned/core2.jar",
-		"out/soong/.intermediates/default/java/framework/android_common/aligned/framework.jar")
+		append(
+			[]string{
+				"out/soong/.intermediates/core1/android_common_apex10000/aligned/core1.jar",
+				"out/soong/.intermediates/core2/android_common_apex10000/aligned/core2.jar",
+				"out/soong/.intermediates/default/java/framework/android_common/aligned/framework.jar",
+			},
+			java.ApexBootJarDexJarPaths...,
+		)...,
+	)
 }
 
 // checkBootJarsPackageCheckRule checks that the supplied module is an input to the boot jars
@@ -819,6 +839,7 @@
 				compile_dex: true,
 				public: {enabled: true},
 				permitted_packages: ["mysdklibrary"],
+				min_sdk_version: "current",
 			}
 
 			java_sdk_library {
diff --git a/sdk/update.go b/sdk/update.go
index 0820d62..d98ab68 100644
--- a/sdk/update.go
+++ b/sdk/update.go
@@ -357,6 +357,12 @@
 		// If the minApiLevel of the member is greater than the target API level then exclude it from
 		// this snapshot.
 		exclude := memberVariantDep.minApiLevel.GreaterThan(targetApiLevel)
+		// Always include host variants (e.g. host tools) in the snapshot.
+		// Host variants should not be guarded by a min_sdk_version check. In fact, host variants
+		// do not have a `min_sdk_version`.
+		if memberVariantDep.Host() {
+			exclude = false
+		}
 
 		addMember(name, export, exclude)
 
@@ -1263,6 +1269,11 @@
 	minApiLevel android.ApiLevel
 }
 
+// Host returns true if the sdk member is a host variant (e.g. host tool)
+func (s *sdkMemberVariantDep) Host() bool {
+	return s.variant.Target().Os.Class == android.Host
+}
+
 var _ android.SdkMember = (*sdkMember)(nil)
 
 // sdkMember groups all the variants of a specific member module together along with the name of the
diff --git a/soong_ui.bash b/soong_ui.bash
index 1d027c4..8e7cd19 100755
--- a/soong_ui.bash
+++ b/soong_ui.bash
@@ -33,8 +33,8 @@
 source ${TOP}/build/soong/scripts/microfactory.bash
 
 soong_build_go soong_ui android/soong/cmd/soong_ui
-soong_build_go mk2rbc android/soong/mk2rbc/cmd
-soong_build_go rbcrun rbcrun/cmd
+soong_build_go mk2rbc android/soong/mk2rbc/mk2rbc
+soong_build_go rbcrun rbcrun/rbcrun
 
 cd ${TOP}
 exec "$(getoutdir)/soong_ui" "$@"
diff --git a/tests/dcla_apex_comparison_test.sh b/tests/dcla_apex_comparison_test.sh
index 2ecb876..97ae97e 100755
--- a/tests/dcla_apex_comparison_test.sh
+++ b/tests/dcla_apex_comparison_test.sh
@@ -112,7 +112,7 @@
         sha="${sha% *}"
         if [ "${prev_sha}" == "" ]; then
           prev_sha="${sha}"
-        elif [ "${sha}" != "${prev_sha}" ]; then
+        elif [ "${sha}" != "${prev_sha}" ] && { [ "${lib}" != "libcrypto.so" ] || [ "${module}" != "com.android.tethering" ]; }; then
           echo "Test failed, ${lib} has different hash value"
           exit 1
         fi
diff --git a/tests/lib.sh b/tests/lib.sh
index 0973beb..2bcb630 100644
--- a/tests/lib.sh
+++ b/tests/lib.sh
@@ -164,5 +164,6 @@
   fi
   for f in ${test_fns[*]}; do
     $f
+    info "Completed test case \e[96;1m$f\e[0m"
   done
 }
diff --git a/tests/run_integration_tests.sh b/tests/run_integration_tests.sh
index a762952..e1aa70c 100755
--- a/tests/run_integration_tests.sh
+++ b/tests/run_integration_tests.sh
@@ -20,3 +20,5 @@
 "$TOP/build/soong/tests/apex_cc_module_arch_variant_tests.sh"
 "$TOP/build/soong/tests/apex_cc_module_arch_variant_tests.sh" "aosp_arm" "armv7-a"
 "$TOP/build/soong/tests/apex_cc_module_arch_variant_tests.sh" "aosp_cf_arm64_phone" "armv8-a" "cortex-a53"
+
+"$TOP/build/soong/tests/sbom_test.sh"
diff --git a/tests/sbom_test.sh b/tests/sbom_test.sh
new file mode 100755
index 0000000..6066d70
--- /dev/null
+++ b/tests/sbom_test.sh
@@ -0,0 +1,210 @@
+#!/bin/bash
+
+# Copyright (C) 2023 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.
+
+set -uo pipefail
+
+# Integration test for verifying generated SBOM for cuttlefish device.
+
+if [ ! -e "build/make/core/Makefile" ]; then
+  echo "$0 must be run from the top of the Android source tree."
+  exit 1
+fi
+
+tmp_dir="$(mktemp -d tmp.XXXXXX)"
+function cleanup {
+  rm -rf "${tmp_dir}"
+}
+trap cleanup EXIT
+
+out_dir=$tmp_dir
+droid_target=droid
+
+debug=false
+if [ $debug = "true" ]; then
+  out_dir=out
+  droid_target=
+fi
+# m droid, build sbom later in case additional dependencies might be built and included in partition images.
+TARGET_PRODUCT="aosp_cf_x86_64_phone" TARGET_BUILD_VARIANT=userdebug OUT_DIR=$out_dir \
+  build/soong/soong_ui.bash --make-mode $droid_target dump.erofs
+
+product_out=$out_dir/target/product/vsoc_x86_64
+sbom_test=$product_out/sbom_test
+mkdir $sbom_test
+cp $product_out/*.img $sbom_test
+
+# m sbom
+TARGET_PRODUCT="aosp_cf_x86_64_phone" TARGET_BUILD_VARIANT=userdebug OUT_DIR=$out_dir \
+  build/soong/soong_ui.bash --make-mode sbom
+
+# Generate installed file list from .img files in PRODUCT_OUT
+dump_erofs=$out_dir/host/linux-x86/bin/dump.erofs
+
+declare -A diff_excludes
+diff_excludes[odm]="-I /odm/lib/modules"
+diff_excludes[vendor]=\
+"-I /vendor/lib64/libkeystore2_crypto.so \
+ -I /vendor/lib/modules \
+ -I /vendor/odm"
+diff_excludes[system]=\
+"-I /acct/ \
+ -I /adb_keys \
+ -I /apex/ \
+ -I /bin \
+ -I /bugreports \
+ -I /cache \
+ -I /config/ \
+ -I /d \
+ -I /data/ \
+ -I /data_mirror/ \
+ -I /debug_ramdisk/ \
+ -I /dev/ \
+ -I /etc \
+ -I /init \
+ -I /init.environ.rc \
+ -I /linkerconfig/ \
+ -I /metadata/ \
+ -I /mnt/ \
+ -I /odm/app \
+ -I /odm/bin \
+ -I /odm_dlkm/etc \
+ -I /odm/etc \
+ -I /odm/firmware \
+ -I /odm/framework \
+ -I /odm/lib \
+ -I /odm/lib64 \
+ -I /odm/overlay \
+ -I /odm/priv-app \
+ -I /odm/usr \
+ -I /oem/ \
+ -I /postinstall/ \
+ -I /proc/ \
+ -I /product/ \
+ -I /sdcard \
+ -I /second_stage_resources/ \
+ -I /storage/ \
+ -I /sys/ \
+ -I /system_dlkm/ \
+ -I /system_ext/ \
+ -I /system/lib64/android.hardware.confirmationui@1.0.so \
+ -I /system/lib64/android.hardware.confirmationui-V1-ndk.so \
+ -I /system/lib64/android.hardware.keymaster@4.1.so \
+ -I /system/lib64/android.hardware.security.rkp-V3-ndk.so \
+ -I /system/lib64/android.hardware.security.sharedsecret-V1-ndk.so \
+ -I /system/lib64/android.security.compat-ndk.so \
+ -I /system/lib64/libkeymaster4_1support.so \
+ -I /system/lib64/libkeymint.so \
+ -I /system/lib64/libkeystore2_aaid.so \
+ -I /system/lib64/libkeystore2_apc_compat.so \
+ -I /system/lib64/libkeystore2_crypto.so \
+ -I /system/lib64/libkm_compat_service.so \
+ -I /system/lib64/libkm_compat.so \
+ -I /system/lib64/vndk-29 \
+ -I /system/lib64/vndk-sp-29 \
+ -I /system/lib/modules \
+ -I /system/lib/vndk-29 \
+ -I /system/lib/vndk-sp-29 \
+ -I /system/product \
+ -I /system/system_ext \
+ -I /system/usr/icu \
+ -I /system/vendor \
+ -I /vendor/ \
+ -I /vendor_dlkm/etc"
+
+# Example output of dump.erofs is as below, and the data used in the test start
+# at line 11. Column 1 is inode id, column 2 is inode type and column 3 is name.
+# Each line is captured in variable "entry", sed is used to trim the leading
+# spaces and cut is used to get field 1 every time. Once a field is extracted,
+# "cut --complement" is used to remove the extracted field so next field can be
+# processed in the same way and to be processed field is always field 1.
+# Output of dump.erofs:
+#     File : /
+#     Size: 160  On-disk size: 160  directory
+#     NID: 39   Links: 10   Layout: 2   Compression ratio: 100.00%
+#     Inode size: 64   Extent size: 0   Xattr size: 16
+#     Uid: 0   Gid: 0  Access: 0755/rwxr-xr-x
+#     Timestamp: 2023-02-14 01:15:54.000000000
+#
+#            NID TYPE  FILENAME
+#             39    2  .
+#             39    2  ..
+#             47    2  app
+#        1286748    2  bin
+#        1286754    2  etc
+#        5304814    2  lib
+#        5309056    2  lib64
+#        5309130    2  media
+#        5388910    2  overlay
+#        5479537    2  priv-app
+EROFS_IMAGES="\
+  $sbom_test/product.img \
+  $sbom_test/system.img \
+  $sbom_test/system_ext.img \
+  $sbom_test/system_dlkm.img \
+  $sbom_test/system_other.img \
+  $sbom_test/odm.img \
+  $sbom_test/odm_dlkm.img \
+  $sbom_test/vendor.img \
+  $sbom_test/vendor_dlkm.img"
+for f in $EROFS_IMAGES; do
+  partition_name=$(basename $f | cut -d. -f1)
+  file_list_file="${sbom_test}/sbom-${partition_name}-files.txt"
+  files_in_spdx_file="${sbom_test}/sbom-${partition_name}-files-in-spdx.txt"
+  rm "$file_list_file" > /dev/null 2>&1
+  all_dirs="/"
+  while [ ! -z "$all_dirs" ]; do
+    dir=$(echo "$all_dirs" | cut -d ' ' -f1)
+    all_dirs=$(echo "$all_dirs" | cut -d ' ' -f1 --complement -s)
+    entries=$($dump_erofs --ls --path "$dir" $f | tail -n +11)
+    while read -r entry; do
+      nid=$(echo $entry | sed 's/^\s*//' | cut -d ' ' -f1)
+      entry=$(echo $entry | sed 's/^\s*//' | cut -d ' ' -f1 --complement)
+      type=$(echo $entry | sed 's/^\s*//' | cut -d ' ' -f1)
+      entry=$(echo $entry | sed 's/^\s*//' | cut -d ' ' -f1 --complement)
+      name=$(echo $entry | sed 's/^\s*//' | cut -d ' ' -f1)
+      case $type in
+        "2")  # directory
+          all_dirs=$(echo "$all_dirs $dir/$name" | sed 's/^\s*//')
+          ;;
+        *)
+          (
+          if [ "$partition_name" != "system" ]; then
+            # system partition is mounted to /, not to prepend partition name.
+            printf %s "/$partition_name"
+          fi
+          echo "$dir/$name" | sed 's#^//#/#'
+          ) >> "$file_list_file"
+          ;;
+      esac
+    done <<< "$entries"
+  done
+  sort -n -o "$file_list_file" "$file_list_file"
+
+  # Diff
+  echo ============ Diffing files in $f and SBOM
+  grep "FileName: /${partition_name}/" $product_out/sbom.spdx | sed 's/^FileName: //' | sort -n > "$files_in_spdx_file"
+  exclude=
+  if [ -v 'diff_excludes[$partition_name]' ]; then
+    exclude=${diff_excludes[$partition_name]}
+  fi
+  diff "$file_list_file" "$files_in_spdx_file" $exclude
+  if [ $? != "0" ]; then
+    echo Found diffs in $f and SBOM.
+    exit 1
+  else
+    echo No diffs.
+  fi
+done
\ No newline at end of file
diff --git a/third_party/zip/writer.go b/third_party/zip/writer.go
index f526838..8a957e1 100644
--- a/third_party/zip/writer.go
+++ b/third_party/zip/writer.go
@@ -162,9 +162,17 @@
 		if records > uint16max {
 			records = uint16max
 		}
+		// Only store uint32max for the size and the offset if they don't fit.
+		// Robolectric currently doesn't support zip64 and fails to find the
+		// offset to the central directory when the number of files in the zip
+		// is larger than 2^16.
+		if size > uint32max {
+			size = uint32max
+		}
+		if offset > uint32max {
+			offset = uint32max
+		}
 		// END ANDROID CHANGE
-		size = uint32max
-		offset = uint32max
 	}
 
 	// write end record
diff --git a/tradefed/config.go b/tradefed/config.go
index 999424c..326a006 100644
--- a/tradefed/config.go
+++ b/tradefed/config.go
@@ -31,6 +31,7 @@
 	pctx.SourcePathVariable("NativeBenchmarkTestConfigTemplate", "build/make/core/native_benchmark_test_config_template.xml")
 	pctx.SourcePathVariable("NativeHostTestConfigTemplate", "build/make/core/native_host_test_config_template.xml")
 	pctx.SourcePathVariable("NativeTestConfigTemplate", "build/make/core/native_test_config_template.xml")
+	pctx.SourcePathVariable("PythonBinaryHostMoblyTestConfigTemplate", "build/make/core/python_binary_host_mobly_test_config_template.xml")
 	pctx.SourcePathVariable("PythonBinaryHostTestConfigTemplate", "build/make/core/python_binary_host_test_config_template.xml")
 	pctx.SourcePathVariable("RustDeviceTestConfigTemplate", "build/make/core/rust_device_test_config_template.xml")
 	pctx.SourcePathVariable("RustHostTestConfigTemplate", "build/make/core/rust_host_test_config_template.xml")
diff --git a/ui/build/config.go b/ui/build/config.go
index b5ee440..20cc9fb 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -45,7 +45,8 @@
 )
 
 var (
-	rbeRandPrefix int
+	rbeRandPrefix             int
+	googleProdCredsExistCache bool
 )
 
 func init() {
@@ -77,6 +78,7 @@
 	queryview         bool
 	reportMkMetrics   bool // Collect and report mk2bp migration progress metrics.
 	soongDocs         bool
+	multitreeBuild    bool // This is a multitree build.
 	skipConfig        bool
 	skipKati          bool
 	skipKatiNinja     bool
@@ -116,8 +118,21 @@
 	bazelForceEnabledModules string
 
 	includeTags []string
+
+	// Data source to write ninja weight list
+	ninjaWeightListSource NinjaWeightListSource
 }
 
+type NinjaWeightListSource uint
+
+const (
+	// ninja doesn't use weight list.
+	NOT_USED NinjaWeightListSource = iota
+	// ninja uses weight list based on previous builds by ninja log
+	NINJA_LOG
+	// ninja thinks every task has the same weight.
+	EVENLY_DISTRIBUTED
+)
 const srcDirFileCheck = "build/soong/root.bp"
 
 var buildFiles = []string{"Android.mk", "Android.bp"}
@@ -474,6 +489,10 @@
 	ret.environ.Set("ANDROID_JAVA11_HOME", java11Home)
 	ret.environ.Set("PATH", strings.Join(newPath, string(filepath.ListSeparator)))
 
+	if ret.MultitreeBuild() {
+		ret.environ.Set("MULTITREE_BUILD", "true")
+	}
+
 	outDir := ret.OutDir()
 	buildDateTimeFile := filepath.Join(outDir, "build_date.txt")
 	if buildDateTime, ok := ret.environ.Get("BUILD_DATETIME"); ok && buildDateTime != "" {
@@ -522,6 +541,17 @@
 	ctx.Metrics.SystemResourceInfo(s)
 }
 
+func getNinjaWeightListSourceInMetric(s NinjaWeightListSource) *smpb.BuildConfig_NinjaWeightListSource {
+	switch s {
+	case NINJA_LOG:
+		return smpb.BuildConfig_NINJA_LOG.Enum()
+	case EVENLY_DISTRIBUTED:
+		return smpb.BuildConfig_EVENLY_DISTRIBUTED.Enum()
+	default:
+		return smpb.BuildConfig_NOT_USED.Enum()
+	}
+}
+
 func buildConfig(config Config) *smpb.BuildConfig {
 	c := &smpb.BuildConfig{
 		ForceUseGoma:                proto.Bool(config.ForceUseGoma()),
@@ -529,6 +559,7 @@
 		UseRbe:                      proto.Bool(config.UseRBE()),
 		BazelMixedBuild:             proto.Bool(config.BazelBuildEnabled()),
 		ForceDisableBazelMixedBuild: proto.Bool(config.IsBazelMixedBuildForceDisabled()),
+		NinjaWeightListSource:       getNinjaWeightListSourceInMetric(config.NinjaWeightListSource()),
 	}
 	c.Targets = append(c.Targets, config.arguments...)
 
@@ -781,6 +812,8 @@
 			c.skipMetricsUpload = true
 		} else if arg == "--mk-metrics" {
 			c.reportMkMetrics = true
+		} else if arg == "--multitree-build" {
+			c.multitreeBuild = true
 		} else if arg == "--bazel-mode" {
 			c.bazelProdMode = true
 		} else if arg == "--bazel-mode-dev" {
@@ -789,6 +822,17 @@
 			c.bazelStagingMode = true
 		} else if arg == "--search-api-dir" {
 			c.searchApiDir = true
+		} else if strings.HasPrefix(arg, "--ninja_weight_source=") {
+			source := strings.TrimPrefix(arg, "--ninja_weight_source=")
+			if source == "ninja_log" {
+				c.ninjaWeightListSource = NINJA_LOG
+			} else if source == "evenly_distributed" {
+				c.ninjaWeightListSource = EVENLY_DISTRIBUTED
+			} else if source == "not_used" {
+				c.ninjaWeightListSource = NOT_USED
+			} else {
+				ctx.Fatalf("unknown option for ninja_weight_source: %s", source)
+			}
 		} else if strings.HasPrefix(arg, "--build-command=") {
 			buildCmd := strings.TrimPrefix(arg, "--build-command=")
 			// remove quotations
@@ -1079,6 +1123,14 @@
 	return c.verbose
 }
 
+func (c *configImpl) MultitreeBuild() bool {
+	return c.multitreeBuild
+}
+
+func (c *configImpl) NinjaWeightListSource() NinjaWeightListSource {
+	return c.ninjaWeightListSource
+}
+
 func (c *configImpl) SkipKati() bool {
 	return c.skipKati
 }
@@ -1347,9 +1399,13 @@
 // GoogleProdCredsExist determine whether credentials exist on the
 // Googler machine to use remote execution.
 func (c *configImpl) GoogleProdCredsExist() bool {
+	if googleProdCredsExistCache {
+		return googleProdCredsExistCache
+	}
 	if _, err := exec.Command("/usr/bin/prodcertstatus", "--simple_output", "--nocheck_loas").Output(); err != nil {
 		return false
 	}
+	googleProdCredsExistCache = true
 	return true
 }
 
diff --git a/ui/build/config_test.go b/ui/build/config_test.go
index 940d85c..a1eccf0 100644
--- a/ui/build/config_test.go
+++ b/ui/build/config_test.go
@@ -903,6 +903,15 @@
 			tidyOnly:     "",
 			expectedArgs: []string{},
 		}, {
+			description:  "multitree build action executed at root directory",
+			dirsInTrees:  []string{},
+			buildFiles:   []string{},
+			rootSymlink:  false,
+			args:         []string{"--multitree-build"},
+			curDir:       ".",
+			tidyOnly:     "",
+			expectedArgs: []string{"--multitree-build"},
+		}, {
 			description:  "build action executed at root directory in symlink",
 			dirsInTrees:  []string{},
 			buildFiles:   []string{},
@@ -1023,6 +1032,7 @@
 				UseRbe:                      proto.Bool(false),
 				BazelMixedBuild:             proto.Bool(false),
 				ForceDisableBazelMixedBuild: proto.Bool(false),
+				NinjaWeightListSource:       smpb.BuildConfig_NOT_USED.Enum(),
 			},
 		},
 		{
@@ -1034,6 +1044,7 @@
 				UseRbe:                      proto.Bool(false),
 				BazelMixedBuild:             proto.Bool(false),
 				ForceDisableBazelMixedBuild: proto.Bool(false),
+				NinjaWeightListSource:       smpb.BuildConfig_NOT_USED.Enum(),
 			},
 		},
 		{
@@ -1045,6 +1056,7 @@
 				UseRbe:                      proto.Bool(false),
 				BazelMixedBuild:             proto.Bool(false),
 				ForceDisableBazelMixedBuild: proto.Bool(false),
+				NinjaWeightListSource:       smpb.BuildConfig_NOT_USED.Enum(),
 			},
 		},
 		{
@@ -1056,6 +1068,7 @@
 				UseRbe:                      proto.Bool(true),
 				BazelMixedBuild:             proto.Bool(false),
 				ForceDisableBazelMixedBuild: proto.Bool(false),
+				NinjaWeightListSource:       smpb.BuildConfig_NOT_USED.Enum(),
 			},
 		},
 		{
@@ -1067,6 +1080,7 @@
 				UseRbe:                      proto.Bool(false),
 				BazelMixedBuild:             proto.Bool(false),
 				ForceDisableBazelMixedBuild: proto.Bool(true),
+				NinjaWeightListSource:       smpb.BuildConfig_NOT_USED.Enum(),
 			},
 		},
 		{
@@ -1079,6 +1093,7 @@
 				UseRbe:                      proto.Bool(false),
 				BazelMixedBuild:             proto.Bool(false),
 				ForceDisableBazelMixedBuild: proto.Bool(false),
+				NinjaWeightListSource:       smpb.BuildConfig_NOT_USED.Enum(),
 			},
 		},
 		{
@@ -1091,6 +1106,7 @@
 				UseRbe:                      proto.Bool(false),
 				BazelMixedBuild:             proto.Bool(true),
 				ForceDisableBazelMixedBuild: proto.Bool(false),
+				NinjaWeightListSource:       smpb.BuildConfig_NOT_USED.Enum(),
 			},
 		},
 		{
@@ -1103,6 +1119,7 @@
 				UseRbe:                      proto.Bool(false),
 				BazelMixedBuild:             proto.Bool(true),
 				ForceDisableBazelMixedBuild: proto.Bool(false),
+				NinjaWeightListSource:       smpb.BuildConfig_NOT_USED.Enum(),
 			},
 		},
 		{
@@ -1115,6 +1132,7 @@
 				UseRbe:                      proto.Bool(false),
 				BazelMixedBuild:             proto.Bool(true),
 				ForceDisableBazelMixedBuild: proto.Bool(false),
+				NinjaWeightListSource:       smpb.BuildConfig_NOT_USED.Enum(),
 			},
 		},
 		{
@@ -1129,6 +1147,7 @@
 				BazelMixedBuild:             proto.Bool(false),
 				Targets:                     []string{"droid", "dist"},
 				ForceDisableBazelMixedBuild: proto.Bool(false),
+				NinjaWeightListSource:       smpb.BuildConfig_NOT_USED.Enum(),
 			},
 		},
 		{
@@ -1147,6 +1166,7 @@
 				UseRbe:                      proto.Bool(true),
 				BazelMixedBuild:             proto.Bool(true),
 				ForceDisableBazelMixedBuild: proto.Bool(true),
+				NinjaWeightListSource:       smpb.BuildConfig_NOT_USED.Enum(),
 			},
 		},
 	}
diff --git a/ui/build/context.go b/ui/build/context.go
index 2fef0d0..fd20e26 100644
--- a/ui/build/context.go
+++ b/ui/build/context.go
@@ -40,6 +40,8 @@
 
 	Thread tracer.Thread
 	Tracer tracer.Tracer
+
+	CriticalPath *status.CriticalPath
 }
 
 // BeginTrace starts a new Duration Event.
diff --git a/ui/build/ninja.go b/ui/build/ninja.go
index 28f3c38..4734494 100644
--- a/ui/build/ninja.go
+++ b/ui/build/ninja.go
@@ -31,8 +31,51 @@
 const (
 	// File containing the environment state when ninja is executed
 	ninjaEnvFileName = "ninja.environment"
+	ninjaLogFileName = ".ninja_log"
 )
 
+func useNinjaBuildLog(ctx Context, config Config, cmd *Cmd) {
+	ninjaLogFile := filepath.Join(config.OutDir(), ninjaLogFileName)
+	data, err := os.ReadFile(ninjaLogFile)
+	var outputBuilder strings.Builder
+	if err == nil {
+		lines := strings.Split(strings.TrimSpace(string(data)), "\n")
+		// ninja log: <start>	<end>	<restat>	<name>	<cmdhash>
+		// ninja weight list: <name>,<end-start+1>
+		for _, line := range lines {
+			if strings.HasPrefix(line, "#") {
+				continue
+			}
+			fields := strings.Split(line, "\t")
+			path := fields[3]
+			start, err := strconv.Atoi(fields[0])
+			if err != nil {
+				continue
+			}
+			end, err := strconv.Atoi(fields[1])
+			if err != nil {
+				continue
+			}
+			outputBuilder.WriteString(path)
+			outputBuilder.WriteString(",")
+			outputBuilder.WriteString(strconv.Itoa(end-start+1) + "\n")
+		}
+	} else {
+		// If there is no ninja log file, just pass empty ninja weight list.
+		// Because it is still efficient with critical path calculation logic even without weight.
+		ctx.Verbosef("There is an error during reading ninja log, so ninja will use empty weight list: %s", err)
+	}
+
+	weightListFile := filepath.Join(config.OutDir(), ".ninja_weight_list")
+
+	err = os.WriteFile(weightListFile, []byte(outputBuilder.String()), 0644)
+	if err == nil {
+		cmd.Args = append(cmd.Args, "-o", "usesweightlist="+weightListFile)
+	} else {
+		ctx.Panicf("Could not write ninja weight list file %s", err)
+	}
+}
+
 // Constructs and runs the Ninja command line with a restricted set of
 // environment variables. It's important to restrict the environment Ninja runs
 // for hermeticity reasons, and to avoid spurious rebuilds.
@@ -85,6 +128,14 @@
 		cmd.Environment.AppendFromKati(config.KatiEnvFile())
 	}
 
+	switch config.NinjaWeightListSource() {
+	case NINJA_LOG:
+		useNinjaBuildLog(ctx, config, cmd)
+	case EVENLY_DISTRIBUTED:
+		// pass empty weight list means ninja considers every tasks's weight as 1(default value).
+		cmd.Args = append(cmd.Args, "-o", "usesweightlist=/dev/null")
+	}
+
 	// Allow both NINJA_ARGS and NINJA_EXTRA_ARGS, since both have been
 	// used in the past to specify extra ninja arguments.
 	if extra, ok := cmd.Environment.Get("NINJA_ARGS"); ok {
@@ -215,7 +266,7 @@
 	ticker := time.NewTicker(ninjaHeartbeatDuration)
 	defer ticker.Stop()
 	ninjaChecker := &ninjaStucknessChecker{
-		logPath: filepath.Join(config.OutDir(), ".ninja_log"),
+		logPath: filepath.Join(config.OutDir(), ninjaLogFileName),
 	}
 	go func() {
 		for {
diff --git a/ui/build/soong.go b/ui/build/soong.go
index a5a3263..871e637 100644
--- a/ui/build/soong.go
+++ b/ui/build/soong.go
@@ -168,6 +168,10 @@
 		commonArgs = append(commonArgs, "-t")
 	}
 
+	if pb.config.multitreeBuild {
+		commonArgs = append(commonArgs, "--multitree-build")
+	}
+
 	commonArgs = append(commonArgs, "-l", filepath.Join(pb.config.FileListDir(), "Android.bp.list"))
 	invocationEnv := make(map[string]string)
 	if pb.debugPort != "" {
@@ -275,6 +279,9 @@
 	if len(config.bazelForceEnabledModules) > 0 {
 		mainSoongBuildExtraArgs = append(mainSoongBuildExtraArgs, "--bazel-force-enabled-modules="+config.bazelForceEnabledModules)
 	}
+	if config.MultitreeBuild() {
+		mainSoongBuildExtraArgs = append(mainSoongBuildExtraArgs, "--multitree-build")
+	}
 
 	queryviewDir := filepath.Join(config.SoongOutDir(), "queryview")
 	// The BUILD files will be generated in out/soong/.api_bp2build (no symlinks to src files)
diff --git a/ui/metrics/BUILD.bazel b/ui/metrics/BUILD.bazel
new file mode 100644
index 0000000..15ebb88
--- /dev/null
+++ b/ui/metrics/BUILD.bazel
@@ -0,0 +1,30 @@
+# Copyright (C) 2023 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.
+
+load("//build/bazel/rules/python:py_proto.bzl", "py_proto_library")
+
+py_proto_library(
+    name = "metrics-py-proto",
+    visibility = ["//build/bazel/scripts/incremental_build:__pkg__"],
+    deps = [":metrics-proto"],
+)
+
+proto_library(
+    name = "metrics-proto",
+    srcs = [
+        "bp2build_metrics_proto/bp2build_metrics.proto",
+        "metrics_proto/metrics.proto",
+    ],
+    strip_import_prefix = "",
+)
diff --git a/ui/metrics/event.go b/ui/metrics/event.go
index b3a027e..cbdeb27 100644
--- a/ui/metrics/event.go
+++ b/ui/metrics/event.go
@@ -135,8 +135,8 @@
 	e := t.peek()
 	e.procResInfo = append(e.procResInfo, &soong_metrics_proto.ProcessResourceInfo{
 		Name:             proto.String(name),
-		UserTimeMicros:   proto.Uint64(uint64(rusage.Utime.Usec)),
-		SystemTimeMicros: proto.Uint64(uint64(rusage.Stime.Usec)),
+		UserTimeMicros:   proto.Uint64(uint64(state.UserTime().Microseconds())),
+		SystemTimeMicros: proto.Uint64(uint64(state.SystemTime().Microseconds())),
 		MinorPageFaults:  proto.Uint64(uint64(rusage.Minflt)),
 		MajorPageFaults:  proto.Uint64(uint64(rusage.Majflt)),
 		// ru_inblock and ru_oublock are measured in blocks of 512 bytes.
diff --git a/ui/metrics/metrics.go b/ui/metrics/metrics.go
index 717530c..82d11ed 100644
--- a/ui/metrics/metrics.go
+++ b/ui/metrics/metrics.go
@@ -39,6 +39,7 @@
 	"time"
 
 	"android/soong/shared"
+
 	"google.golang.org/protobuf/proto"
 
 	soong_metrics_proto "android/soong/ui/metrics/metrics_proto"
@@ -125,6 +126,10 @@
 	}
 }
 
+func (m *Metrics) SetCriticalPathInfo(criticalPathInfo soong_metrics_proto.CriticalPathInfo) {
+	m.metrics.CriticalPathInfo = &criticalPathInfo
+}
+
 // SetFatalOrPanicMessage stores a non-zero exit and the relevant message in the latest event if
 // available or the metrics base.
 func (m *Metrics) SetFatalOrPanicMessage(errMsg string) {
diff --git a/ui/metrics/metrics_proto/metrics.pb.go b/ui/metrics/metrics_proto/metrics.pb.go
index faa9b0a..4ad4a7b 100644
--- a/ui/metrics/metrics_proto/metrics.pb.go
+++ b/ui/metrics/metrics_proto/metrics.pb.go
@@ -158,6 +158,65 @@
 	return file_metrics_proto_rawDescGZIP(), []int{0, 1}
 }
 
+type BuildConfig_NinjaWeightListSource int32
+
+const (
+	BuildConfig_NOT_USED           BuildConfig_NinjaWeightListSource = 0
+	BuildConfig_NINJA_LOG          BuildConfig_NinjaWeightListSource = 1
+	BuildConfig_EVENLY_DISTRIBUTED BuildConfig_NinjaWeightListSource = 2
+)
+
+// Enum value maps for BuildConfig_NinjaWeightListSource.
+var (
+	BuildConfig_NinjaWeightListSource_name = map[int32]string{
+		0: "NOT_USED",
+		1: "NINJA_LOG",
+		2: "EVENLY_DISTRIBUTED",
+	}
+	BuildConfig_NinjaWeightListSource_value = map[string]int32{
+		"NOT_USED":           0,
+		"NINJA_LOG":          1,
+		"EVENLY_DISTRIBUTED": 2,
+	}
+)
+
+func (x BuildConfig_NinjaWeightListSource) Enum() *BuildConfig_NinjaWeightListSource {
+	p := new(BuildConfig_NinjaWeightListSource)
+	*p = x
+	return p
+}
+
+func (x BuildConfig_NinjaWeightListSource) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (BuildConfig_NinjaWeightListSource) Descriptor() protoreflect.EnumDescriptor {
+	return file_metrics_proto_enumTypes[2].Descriptor()
+}
+
+func (BuildConfig_NinjaWeightListSource) Type() protoreflect.EnumType {
+	return &file_metrics_proto_enumTypes[2]
+}
+
+func (x BuildConfig_NinjaWeightListSource) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Do not use.
+func (x *BuildConfig_NinjaWeightListSource) UnmarshalJSON(b []byte) error {
+	num, err := protoimpl.X.UnmarshalJSONEnum(x.Descriptor(), b)
+	if err != nil {
+		return err
+	}
+	*x = BuildConfig_NinjaWeightListSource(num)
+	return nil
+}
+
+// Deprecated: Use BuildConfig_NinjaWeightListSource.Descriptor instead.
+func (BuildConfig_NinjaWeightListSource) EnumDescriptor() ([]byte, []int) {
+	return file_metrics_proto_rawDescGZIP(), []int{1, 0}
+}
+
 type ModuleTypeInfo_BuildSystem int32
 
 const (
@@ -191,11 +250,11 @@
 }
 
 func (ModuleTypeInfo_BuildSystem) Descriptor() protoreflect.EnumDescriptor {
-	return file_metrics_proto_enumTypes[2].Descriptor()
+	return file_metrics_proto_enumTypes[3].Descriptor()
 }
 
 func (ModuleTypeInfo_BuildSystem) Type() protoreflect.EnumType {
-	return &file_metrics_proto_enumTypes[2]
+	return &file_metrics_proto_enumTypes[3]
 }
 
 func (x ModuleTypeInfo_BuildSystem) Number() protoreflect.EnumNumber {
@@ -253,11 +312,11 @@
 }
 
 func (ExpConfigFetcher_ConfigStatus) Descriptor() protoreflect.EnumDescriptor {
-	return file_metrics_proto_enumTypes[3].Descriptor()
+	return file_metrics_proto_enumTypes[4].Descriptor()
 }
 
 func (ExpConfigFetcher_ConfigStatus) Type() protoreflect.EnumType {
-	return &file_metrics_proto_enumTypes[3]
+	return &file_metrics_proto_enumTypes[4]
 }
 
 func (x ExpConfigFetcher_ConfigStatus) Number() protoreflect.EnumNumber {
@@ -353,6 +412,8 @@
 	// The branch on which the build occurred.
 	// Example: refs/heads/master
 	Branch *string `protobuf:"bytes,32,opt,name=branch" json:"branch,omitempty"`
+	// The metric of critical path in build
+	CriticalPathInfo *CriticalPathInfo `protobuf:"bytes,33,opt,name=critical_path_info,json=criticalPathInfo" json:"critical_path_info,omitempty"`
 }
 
 // Default values for MetricsBase fields.
@@ -620,6 +681,13 @@
 	return ""
 }
 
+func (x *MetricsBase) GetCriticalPathInfo() *CriticalPathInfo {
+	if x != nil {
+		return x.CriticalPathInfo
+	}
+	return nil
+}
+
 type BuildConfig struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -638,8 +706,17 @@
 	Targets []string `protobuf:"bytes,6,rep,name=targets" json:"targets,omitempty"`
 	// Whether the user explicitly disabled bazel mixed builds for this build.
 	ForceDisableBazelMixedBuild *bool `protobuf:"varint,7,opt,name=force_disable_bazel_mixed_build,json=forceDisableBazelMixedBuild" json:"force_disable_bazel_mixed_build,omitempty"`
+	// NOT_USED - ninja doesn't use weight list.
+	// NINJA_LOG - ninja uses weight list based on previous builds by ninja log
+	// EVENLY_DISTRIBUTED - ninja thinks every task has the same weight.
+	NinjaWeightListSource *BuildConfig_NinjaWeightListSource `protobuf:"varint,8,opt,name=ninja_weight_list_source,json=ninjaWeightListSource,enum=soong_build_metrics.BuildConfig_NinjaWeightListSource,def=0" json:"ninja_weight_list_source,omitempty"`
 }
 
+// Default values for BuildConfig fields.
+const (
+	Default_BuildConfig_NinjaWeightListSource = BuildConfig_NOT_USED
+)
+
 func (x *BuildConfig) Reset() {
 	*x = BuildConfig{}
 	if protoimpl.UnsafeEnabled {
@@ -721,6 +798,13 @@
 	return false
 }
 
+func (x *BuildConfig) GetNinjaWeightListSource() BuildConfig_NinjaWeightListSource {
+	if x != nil && x.NinjaWeightListSource != nil {
+		return *x.NinjaWeightListSource
+	}
+	return Default_BuildConfig_NinjaWeightListSource
+}
+
 type SystemResourceInfo struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1428,12 +1512,146 @@
 	return nil
 }
 
+// CriticalPathInfo contains critical path nodes's information.
+// A critical path is a path determining the minimum time needed for the whole build given perfect parallelism.
+type CriticalPathInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Real time which the build system spent in microseconds
+	ElapsedTimeMicros *uint64 `protobuf:"varint,1,opt,name=elapsed_time_micros,json=elapsedTimeMicros" json:"elapsed_time_micros,omitempty"`
+	// The sum of execution time of the longest path from leave to the root in microseconds
+	CriticalPathTimeMicros *uint64 `protobuf:"varint,2,opt,name=critical_path_time_micros,json=criticalPathTimeMicros" json:"critical_path_time_micros,omitempty"`
+	// Detailed job information in a critical path.
+	CriticalPath []*JobInfo `protobuf:"bytes,4,rep,name=critical_path,json=criticalPath" json:"critical_path,omitempty"`
+	// Detailed job information for long running jobs (>30 seconds). These may or may not also be on a critical path.
+	LongRunningJobs []*JobInfo `protobuf:"bytes,5,rep,name=long_running_jobs,json=longRunningJobs" json:"long_running_jobs,omitempty"`
+}
+
+func (x *CriticalPathInfo) Reset() {
+	*x = CriticalPathInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_metrics_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CriticalPathInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CriticalPathInfo) ProtoMessage() {}
+
+func (x *CriticalPathInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_metrics_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CriticalPathInfo.ProtoReflect.Descriptor instead.
+func (*CriticalPathInfo) Descriptor() ([]byte, []int) {
+	return file_metrics_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *CriticalPathInfo) GetElapsedTimeMicros() uint64 {
+	if x != nil && x.ElapsedTimeMicros != nil {
+		return *x.ElapsedTimeMicros
+	}
+	return 0
+}
+
+func (x *CriticalPathInfo) GetCriticalPathTimeMicros() uint64 {
+	if x != nil && x.CriticalPathTimeMicros != nil {
+		return *x.CriticalPathTimeMicros
+	}
+	return 0
+}
+
+func (x *CriticalPathInfo) GetCriticalPath() []*JobInfo {
+	if x != nil {
+		return x.CriticalPath
+	}
+	return nil
+}
+
+func (x *CriticalPathInfo) GetLongRunningJobs() []*JobInfo {
+	if x != nil {
+		return x.LongRunningJobs
+	}
+	return nil
+}
+
+type JobInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Real time which a job spent in microseconds
+	ElapsedTimeMicros *uint64 `protobuf:"varint,1,opt,name=elapsed_time_micros,json=elapsedTimeMicros" json:"elapsed_time_micros,omitempty"`
+	// Description of a job
+	JobDescription *string `protobuf:"bytes,2,opt,name=job_description,json=jobDescription" json:"job_description,omitempty"`
+}
+
+func (x *JobInfo) Reset() {
+	*x = JobInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_metrics_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *JobInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*JobInfo) ProtoMessage() {}
+
+func (x *JobInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_metrics_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use JobInfo.ProtoReflect.Descriptor instead.
+func (*JobInfo) Descriptor() ([]byte, []int) {
+	return file_metrics_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *JobInfo) GetElapsedTimeMicros() uint64 {
+	if x != nil && x.ElapsedTimeMicros != nil {
+		return *x.ElapsedTimeMicros
+	}
+	return 0
+}
+
+func (x *JobInfo) GetJobDescription() string {
+	if x != nil && x.JobDescription != nil {
+		return *x.JobDescription
+	}
+	return ""
+}
+
 var File_metrics_proto protoreflect.FileDescriptor
 
 var file_metrics_proto_rawDesc = []byte{
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 }
 
 var (
@@ -1711,52 +1970,59 @@
 	return file_metrics_proto_rawDescData
 }
 
-var file_metrics_proto_enumTypes = make([]protoimpl.EnumInfo, 4)
-var file_metrics_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
+var file_metrics_proto_enumTypes = make([]protoimpl.EnumInfo, 5)
+var file_metrics_proto_msgTypes = make([]protoimpl.MessageInfo, 13)
 var file_metrics_proto_goTypes = []interface{}{
-	(MetricsBase_BuildVariant)(0),       // 0: soong_build_metrics.MetricsBase.BuildVariant
-	(MetricsBase_Arch)(0),               // 1: soong_build_metrics.MetricsBase.Arch
-	(ModuleTypeInfo_BuildSystem)(0),     // 2: soong_build_metrics.ModuleTypeInfo.BuildSystem
-	(ExpConfigFetcher_ConfigStatus)(0),  // 3: soong_build_metrics.ExpConfigFetcher.ConfigStatus
-	(*MetricsBase)(nil),                 // 4: soong_build_metrics.MetricsBase
-	(*BuildConfig)(nil),                 // 5: soong_build_metrics.BuildConfig
-	(*SystemResourceInfo)(nil),          // 6: soong_build_metrics.SystemResourceInfo
-	(*PerfInfo)(nil),                    // 7: soong_build_metrics.PerfInfo
-	(*ProcessResourceInfo)(nil),         // 8: soong_build_metrics.ProcessResourceInfo
-	(*ModuleTypeInfo)(nil),              // 9: soong_build_metrics.ModuleTypeInfo
-	(*CriticalUserJourneyMetrics)(nil),  // 10: soong_build_metrics.CriticalUserJourneyMetrics
-	(*CriticalUserJourneysMetrics)(nil), // 11: soong_build_metrics.CriticalUserJourneysMetrics
-	(*SoongBuildMetrics)(nil),           // 12: soong_build_metrics.SoongBuildMetrics
-	(*ExpConfigFetcher)(nil),            // 13: soong_build_metrics.ExpConfigFetcher
-	(*MixedBuildsInfo)(nil),             // 14: soong_build_metrics.MixedBuildsInfo
+	(MetricsBase_BuildVariant)(0),          // 0: soong_build_metrics.MetricsBase.BuildVariant
+	(MetricsBase_Arch)(0),                  // 1: soong_build_metrics.MetricsBase.Arch
+	(BuildConfig_NinjaWeightListSource)(0), // 2: soong_build_metrics.BuildConfig.NinjaWeightListSource
+	(ModuleTypeInfo_BuildSystem)(0),        // 3: soong_build_metrics.ModuleTypeInfo.BuildSystem
+	(ExpConfigFetcher_ConfigStatus)(0),     // 4: soong_build_metrics.ExpConfigFetcher.ConfigStatus
+	(*MetricsBase)(nil),                    // 5: soong_build_metrics.MetricsBase
+	(*BuildConfig)(nil),                    // 6: soong_build_metrics.BuildConfig
+	(*SystemResourceInfo)(nil),             // 7: soong_build_metrics.SystemResourceInfo
+	(*PerfInfo)(nil),                       // 8: soong_build_metrics.PerfInfo
+	(*ProcessResourceInfo)(nil),            // 9: soong_build_metrics.ProcessResourceInfo
+	(*ModuleTypeInfo)(nil),                 // 10: soong_build_metrics.ModuleTypeInfo
+	(*CriticalUserJourneyMetrics)(nil),     // 11: soong_build_metrics.CriticalUserJourneyMetrics
+	(*CriticalUserJourneysMetrics)(nil),    // 12: soong_build_metrics.CriticalUserJourneysMetrics
+	(*SoongBuildMetrics)(nil),              // 13: soong_build_metrics.SoongBuildMetrics
+	(*ExpConfigFetcher)(nil),               // 14: soong_build_metrics.ExpConfigFetcher
+	(*MixedBuildsInfo)(nil),                // 15: soong_build_metrics.MixedBuildsInfo
+	(*CriticalPathInfo)(nil),               // 16: soong_build_metrics.CriticalPathInfo
+	(*JobInfo)(nil),                        // 17: soong_build_metrics.JobInfo
 }
 var file_metrics_proto_depIdxs = []int32{
 	0,  // 0: soong_build_metrics.MetricsBase.target_build_variant:type_name -> soong_build_metrics.MetricsBase.BuildVariant
 	1,  // 1: soong_build_metrics.MetricsBase.target_arch:type_name -> soong_build_metrics.MetricsBase.Arch
 	1,  // 2: soong_build_metrics.MetricsBase.host_arch:type_name -> soong_build_metrics.MetricsBase.Arch
 	1,  // 3: soong_build_metrics.MetricsBase.host_2nd_arch:type_name -> soong_build_metrics.MetricsBase.Arch
-	7,  // 4: soong_build_metrics.MetricsBase.setup_tools:type_name -> soong_build_metrics.PerfInfo
-	7,  // 5: soong_build_metrics.MetricsBase.kati_runs:type_name -> soong_build_metrics.PerfInfo
-	7,  // 6: soong_build_metrics.MetricsBase.soong_runs:type_name -> soong_build_metrics.PerfInfo
-	7,  // 7: soong_build_metrics.MetricsBase.ninja_runs:type_name -> soong_build_metrics.PerfInfo
-	7,  // 8: soong_build_metrics.MetricsBase.total:type_name -> soong_build_metrics.PerfInfo
-	12, // 9: soong_build_metrics.MetricsBase.soong_build_metrics:type_name -> soong_build_metrics.SoongBuildMetrics
-	5,  // 10: soong_build_metrics.MetricsBase.build_config:type_name -> soong_build_metrics.BuildConfig
-	6,  // 11: soong_build_metrics.MetricsBase.system_resource_info:type_name -> soong_build_metrics.SystemResourceInfo
-	7,  // 12: soong_build_metrics.MetricsBase.bazel_runs:type_name -> soong_build_metrics.PerfInfo
-	13, // 13: soong_build_metrics.MetricsBase.exp_config_fetcher:type_name -> soong_build_metrics.ExpConfigFetcher
-	8,  // 14: soong_build_metrics.PerfInfo.processes_resource_info:type_name -> soong_build_metrics.ProcessResourceInfo
-	2,  // 15: soong_build_metrics.ModuleTypeInfo.build_system:type_name -> soong_build_metrics.ModuleTypeInfo.BuildSystem
-	4,  // 16: soong_build_metrics.CriticalUserJourneyMetrics.metrics:type_name -> soong_build_metrics.MetricsBase
-	10, // 17: soong_build_metrics.CriticalUserJourneysMetrics.cujs:type_name -> soong_build_metrics.CriticalUserJourneyMetrics
-	7,  // 18: soong_build_metrics.SoongBuildMetrics.events:type_name -> soong_build_metrics.PerfInfo
-	14, // 19: soong_build_metrics.SoongBuildMetrics.mixed_builds_info:type_name -> soong_build_metrics.MixedBuildsInfo
-	3,  // 20: soong_build_metrics.ExpConfigFetcher.status:type_name -> soong_build_metrics.ExpConfigFetcher.ConfigStatus
-	21, // [21:21] is the sub-list for method output_type
-	21, // [21:21] is the sub-list for method input_type
-	21, // [21:21] is the sub-list for extension type_name
-	21, // [21:21] is the sub-list for extension extendee
-	0,  // [0:21] is the sub-list for field type_name
+	8,  // 4: soong_build_metrics.MetricsBase.setup_tools:type_name -> soong_build_metrics.PerfInfo
+	8,  // 5: soong_build_metrics.MetricsBase.kati_runs:type_name -> soong_build_metrics.PerfInfo
+	8,  // 6: soong_build_metrics.MetricsBase.soong_runs:type_name -> soong_build_metrics.PerfInfo
+	8,  // 7: soong_build_metrics.MetricsBase.ninja_runs:type_name -> soong_build_metrics.PerfInfo
+	8,  // 8: soong_build_metrics.MetricsBase.total:type_name -> soong_build_metrics.PerfInfo
+	13, // 9: soong_build_metrics.MetricsBase.soong_build_metrics:type_name -> soong_build_metrics.SoongBuildMetrics
+	6,  // 10: soong_build_metrics.MetricsBase.build_config:type_name -> soong_build_metrics.BuildConfig
+	7,  // 11: soong_build_metrics.MetricsBase.system_resource_info:type_name -> soong_build_metrics.SystemResourceInfo
+	8,  // 12: soong_build_metrics.MetricsBase.bazel_runs:type_name -> soong_build_metrics.PerfInfo
+	14, // 13: soong_build_metrics.MetricsBase.exp_config_fetcher:type_name -> soong_build_metrics.ExpConfigFetcher
+	16, // 14: soong_build_metrics.MetricsBase.critical_path_info:type_name -> soong_build_metrics.CriticalPathInfo
+	2,  // 15: soong_build_metrics.BuildConfig.ninja_weight_list_source:type_name -> soong_build_metrics.BuildConfig.NinjaWeightListSource
+	9,  // 16: soong_build_metrics.PerfInfo.processes_resource_info:type_name -> soong_build_metrics.ProcessResourceInfo
+	3,  // 17: soong_build_metrics.ModuleTypeInfo.build_system:type_name -> soong_build_metrics.ModuleTypeInfo.BuildSystem
+	5,  // 18: soong_build_metrics.CriticalUserJourneyMetrics.metrics:type_name -> soong_build_metrics.MetricsBase
+	11, // 19: soong_build_metrics.CriticalUserJourneysMetrics.cujs:type_name -> soong_build_metrics.CriticalUserJourneyMetrics
+	8,  // 20: soong_build_metrics.SoongBuildMetrics.events:type_name -> soong_build_metrics.PerfInfo
+	15, // 21: soong_build_metrics.SoongBuildMetrics.mixed_builds_info:type_name -> soong_build_metrics.MixedBuildsInfo
+	4,  // 22: soong_build_metrics.ExpConfigFetcher.status:type_name -> soong_build_metrics.ExpConfigFetcher.ConfigStatus
+	17, // 23: soong_build_metrics.CriticalPathInfo.critical_path:type_name -> soong_build_metrics.JobInfo
+	17, // 24: soong_build_metrics.CriticalPathInfo.long_running_jobs:type_name -> soong_build_metrics.JobInfo
+	25, // [25:25] is the sub-list for method output_type
+	25, // [25:25] is the sub-list for method input_type
+	25, // [25:25] is the sub-list for extension type_name
+	25, // [25:25] is the sub-list for extension extendee
+	0,  // [0:25] is the sub-list for field type_name
 }
 
 func init() { file_metrics_proto_init() }
@@ -1897,14 +2163,38 @@
 				return nil
 			}
 		}
+		file_metrics_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CriticalPathInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_metrics_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*JobInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_metrics_proto_rawDesc,
-			NumEnums:      4,
-			NumMessages:   11,
+			NumEnums:      5,
+			NumMessages:   13,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/ui/metrics/metrics_proto/metrics.proto b/ui/metrics/metrics_proto/metrics.proto
index b7dc91a..5e9a055 100644
--- a/ui/metrics/metrics_proto/metrics.proto
+++ b/ui/metrics/metrics_proto/metrics.proto
@@ -128,9 +128,18 @@
   // The branch on which the build occurred.
   // Example: refs/heads/master
   optional string branch = 32;
+
+  // The metric of critical path in build
+  optional CriticalPathInfo critical_path_info = 33;
 }
 
 message BuildConfig {
+  enum NinjaWeightListSource {
+    NOT_USED = 0;
+    NINJA_LOG = 1;
+    EVENLY_DISTRIBUTED = 2;
+  }
+
   optional bool use_goma = 1;
 
   optional bool use_rbe = 2;
@@ -150,6 +159,11 @@
 
   // Whether the user explicitly disabled bazel mixed builds for this build.
   optional bool force_disable_bazel_mixed_build = 7;
+
+  // NOT_USED - ninja doesn't use weight list.
+  // NINJA_LOG - ninja uses weight list based on previous builds by ninja log
+  // EVENLY_DISTRIBUTED - ninja thinks every task has the same weight.
+  optional NinjaWeightListSource ninja_weight_list_source = 8 [default = NOT_USED];
 }
 
 message SystemResourceInfo {
@@ -314,3 +328,23 @@
   // Modules that are not enabled for MixedBuilds
   repeated string mixed_build_disabled_modules = 2;
 }
+
+// CriticalPathInfo contains critical path nodes's information.
+// A critical path is a path determining the minimum time needed for the whole build given perfect parallelism.
+message CriticalPathInfo {
+  // Real time which the build system spent in microseconds
+  optional uint64 elapsed_time_micros = 1;
+  // The sum of execution time of the longest path from leave to the root in microseconds
+  optional uint64 critical_path_time_micros = 2;
+  // Detailed job information in a critical path.
+  repeated JobInfo critical_path = 4;
+  // Detailed job information for long running jobs (>30 seconds). These may or may not also be on a critical path.
+  repeated JobInfo long_running_jobs = 5;
+}
+
+message JobInfo {
+  // Real time which a job spent in microseconds
+  optional uint64 elapsed_time_micros = 1;
+  // Description of a job
+  optional string job_description = 2;
+}
diff --git a/ui/status/Android.bp b/ui/status/Android.bp
index a46a007..b724bc9 100644
--- a/ui/status/Android.bp
+++ b/ui/status/Android.bp
@@ -28,6 +28,7 @@
     ],
     srcs: [
         "critical_path.go",
+        "critical_path_logger.go",
         "kati.go",
         "log.go",
         "ninja.go",
diff --git a/ui/status/critical_path.go b/ui/status/critical_path.go
index 8065c60..bf32c58 100644
--- a/ui/status/critical_path.go
+++ b/ui/status/critical_path.go
@@ -15,23 +15,23 @@
 package status
 
 import (
+	"android/soong/ui/metrics"
+
+	soong_metrics_proto "android/soong/ui/metrics/metrics_proto"
 	"time"
 
-	"android/soong/ui/logger"
+	"google.golang.org/protobuf/proto"
 )
 
-func NewCriticalPath(log logger.Logger) StatusOutput {
-	return &criticalPath{
-		log:     log,
+func NewCriticalPath() *CriticalPath {
+	return &CriticalPath{
 		running: make(map[*Action]time.Time),
 		nodes:   make(map[string]*node),
 		clock:   osClock{},
 	}
 }
 
-type criticalPath struct {
-	log logger.Logger
-
+type CriticalPath struct {
 	nodes   map[string]*node
 	running map[*Action]time.Time
 
@@ -57,7 +57,7 @@
 	input              *node
 }
 
-func (cp *criticalPath) StartAction(action *Action, counts Counts) {
+func (cp *CriticalPath) StartAction(action *Action) {
 	start := cp.clock.Now()
 	if cp.start.IsZero() {
 		cp.start = start
@@ -65,13 +65,13 @@
 	cp.running[action] = start
 }
 
-func (cp *criticalPath) FinishAction(result ActionResult, counts Counts) {
-	if start, ok := cp.running[result.Action]; ok {
-		delete(cp.running, result.Action)
+func (cp *CriticalPath) FinishAction(action *Action) {
+	if start, ok := cp.running[action]; ok {
+		delete(cp.running, action)
 
 		// Determine the input to this edge with the longest cumulative duration
 		var criticalPathInput *node
-		for _, input := range result.Action.Inputs {
+		for _, input := range action.Inputs {
 			if x := cp.nodes[input]; x != nil {
 				if criticalPathInput == nil || x.cumulativeDuration > criticalPathInput.cumulativeDuration {
 					criticalPathInput = x
@@ -88,13 +88,13 @@
 		}
 
 		node := &node{
-			action:             result.Action,
+			action:             action,
 			cumulativeDuration: cumulativeDuration,
 			duration:           duration,
 			input:              criticalPathInput,
 		}
 
-		for _, output := range result.Action.Outputs {
+		for _, output := range action.Outputs {
 			cp.nodes[output] = node
 		}
 
@@ -102,37 +102,7 @@
 	}
 }
 
-func (cp *criticalPath) Flush() {
-	criticalPath := cp.criticalPath()
-
-	if len(criticalPath) > 0 {
-		// Log the critical path to the verbose log
-		criticalTime := criticalPath[0].cumulativeDuration.Round(time.Second)
-		cp.log.Verbosef("critical path took %s", criticalTime.String())
-		if !cp.start.IsZero() {
-			elapsedTime := cp.end.Sub(cp.start).Round(time.Second)
-			cp.log.Verbosef("elapsed time %s", elapsedTime.String())
-			if elapsedTime > 0 {
-				cp.log.Verbosef("perfect parallelism ratio %d%%",
-					int(float64(criticalTime)/float64(elapsedTime)*100))
-			}
-		}
-		cp.log.Verbose("critical path:")
-		for i := len(criticalPath) - 1; i >= 0; i-- {
-			duration := criticalPath[i].duration
-			duration = duration.Round(time.Second)
-			seconds := int(duration.Seconds())
-			cp.log.Verbosef("   %2d:%02d %s",
-				seconds/60, seconds%60, criticalPath[i].action.Description)
-		}
-	}
-}
-
-func (cp *criticalPath) Message(level MsgLevel, msg string) {}
-
-func (cp *criticalPath) Write(p []byte) (n int, err error) { return len(p), nil }
-
-func (cp *criticalPath) criticalPath() []*node {
+func (cp *CriticalPath) criticalPath() (path []*node, elapsedTime time.Duration, criticalTime time.Duration) {
 	var max *node
 
 	// Find the node with the longest critical path
@@ -142,13 +112,46 @@
 		}
 	}
 
-	// Follow the critical path back to the leaf node
-	var criticalPath []*node
 	node := max
 	for node != nil {
-		criticalPath = append(criticalPath, node)
+		path = append(path, node)
 		node = node.input
 	}
+	if len(path) > 0 {
+		// Log the critical path to the verbose log
+		criticalTime = path[0].cumulativeDuration
+		if !cp.start.IsZero() {
+			elapsedTime = cp.end.Sub(cp.start)
+		}
+	}
+	return
+}
 
-	return criticalPath
+func (cp *CriticalPath) longRunningJobs() (nodes []*node) {
+	threshold := time.Second * 30
+	for _, node := range cp.nodes {
+		if node != nil && node.duration > threshold {
+			nodes = append(nodes, node)
+		}
+	}
+	return
+}
+
+func addJobInfos(jobInfos *[]*soong_metrics_proto.JobInfo, sources []*node) {
+	for _, job := range sources {
+		jobInfo := soong_metrics_proto.JobInfo{}
+		jobInfo.ElapsedTimeMicros = proto.Uint64(uint64(job.duration.Microseconds()))
+		jobInfo.JobDescription = &job.action.Description
+		*jobInfos = append(*jobInfos, &jobInfo)
+	}
+}
+
+func (cp *CriticalPath) WriteToMetrics(met *metrics.Metrics) {
+	criticalPathInfo := soong_metrics_proto.CriticalPathInfo{}
+	path, elapsedTime, criticalTime := cp.criticalPath()
+	criticalPathInfo.ElapsedTimeMicros = proto.Uint64(uint64(elapsedTime.Microseconds()))
+	criticalPathInfo.CriticalPathTimeMicros = proto.Uint64(uint64(criticalTime.Microseconds()))
+	addJobInfos(&criticalPathInfo.LongRunningJobs, cp.longRunningJobs())
+	addJobInfos(&criticalPathInfo.CriticalPath, path)
+	met.SetCriticalPathInfo(criticalPathInfo)
 }
diff --git a/ui/status/critical_path_logger.go b/ui/status/critical_path_logger.go
new file mode 100644
index 0000000..f8b49d1
--- /dev/null
+++ b/ui/status/critical_path_logger.go
@@ -0,0 +1,73 @@
+// Copyright 2023 Google Inc. All rights reserved.
+//
+// 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 status
+
+import (
+	"time"
+
+	"android/soong/ui/logger"
+)
+
+// Create a new CriticalPathLogger. if criticalPath is nil, it creates a new criticalPath,
+// if not, it uses that.(its purpose is using a critical path outside logger)
+func NewCriticalPathLogger(log logger.Logger, criticalPath *CriticalPath) StatusOutput {
+	if criticalPath == nil {
+		criticalPath = NewCriticalPath()
+	}
+	return &criticalPathLogger{
+		log:          log,
+		criticalPath: criticalPath,
+	}
+}
+
+type criticalPathLogger struct {
+	log          logger.Logger
+	criticalPath *CriticalPath
+}
+
+func (cp *criticalPathLogger) StartAction(action *Action, counts Counts) {
+	cp.criticalPath.StartAction(action)
+}
+
+func (cp *criticalPathLogger) FinishAction(result ActionResult, counts Counts) {
+	cp.criticalPath.FinishAction(result.Action)
+}
+
+func (cp *criticalPathLogger) Flush() {
+	criticalPath, elapsedTime, criticalTime := cp.criticalPath.criticalPath()
+
+	if len(criticalPath) > 0 {
+		cp.log.Verbosef("critical path took %s", criticalTime.String())
+		if !cp.criticalPath.start.IsZero() {
+			cp.log.Verbosef("elapsed time %s", elapsedTime.String())
+			if elapsedTime > 0 {
+				cp.log.Verbosef("perfect parallelism ratio %d%%",
+					int(float64(criticalTime)/float64(elapsedTime)*100))
+			}
+		}
+		cp.log.Verbose("critical path:")
+		for i := len(criticalPath) - 1; i >= 0; i-- {
+			duration := criticalPath[i].duration
+			duration = duration.Round(time.Second)
+			seconds := int(duration.Seconds())
+			cp.log.Verbosef("   %2d:%02d %s",
+				seconds/60, seconds%60, criticalPath[i].action.Description)
+		}
+	}
+}
+
+func (cp *criticalPathLogger) Message(level MsgLevel, msg string) {}
+
+func (cp *criticalPathLogger) Write(p []byte) (n int, err error) { return len(p), nil }
diff --git a/ui/status/critical_path_test.go b/ui/status/critical_path_test.go
index 965e0ad..369e805 100644
--- a/ui/status/critical_path_test.go
+++ b/ui/status/critical_path_test.go
@@ -21,7 +21,7 @@
 )
 
 type testCriticalPath struct {
-	*criticalPath
+	*CriticalPath
 	Counts
 
 	actions map[int]*Action
@@ -40,14 +40,12 @@
 	}
 
 	t.actions[id] = action
-	t.StartAction(action, t.Counts)
+	t.StartAction(action)
 }
 
 func (t *testCriticalPath) finish(id int, endTime time.Duration) {
 	t.clock = testClock(time.Unix(0, 0).Add(endTime))
-	t.FinishAction(ActionResult{
-		Action: t.actions[id],
-	}, t.Counts)
+	t.FinishAction(t.actions[id])
 }
 
 func TestCriticalPath(t *testing.T) {
@@ -137,13 +135,13 @@
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			cp := &testCriticalPath{
-				criticalPath: NewCriticalPath(nil).(*criticalPath),
+				CriticalPath: NewCriticalPath(),
 				actions:      make(map[int]*Action),
 			}
 
 			tt.msgs(cp)
 
-			criticalPath := cp.criticalPath.criticalPath()
+			criticalPath, _, _ := cp.CriticalPath.criticalPath()
 
 			var descs []string
 			for _, x := range criticalPath {