diff --git a/OWNERS b/OWNERS
index bbfd011..f15bd32 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,17 +1,22 @@
 # This file is included by several other projects as the list of people
 # approving build related projects.
 
+# AMER
 ahumesky@google.com
 asmundak@google.com
 ccross@android.com
 cparsons@google.com
 dwillemsen@google.com
 eakammer@google.com
-jingwen@google.com
 joeo@google.com
-lberki@google.com
+spandandas@google.com
+yuntaoxu@google.com
+
+# APAC
+jingwen@google.com
 ruperts@google.com
 
-# To expedite LON reviews
+# EMEA
 hansson@google.com
+lberki@google.com
 paulduffin@google.com
diff --git a/android/Android.bp b/android/Android.bp
index 5d0f2b9..1bccd7b 100644
--- a/android/Android.bp
+++ b/android/Android.bp
@@ -17,6 +17,8 @@
         "soong-response",
         "soong-shared",
         "soong-ui-metrics_proto",
+        "golang-protobuf-proto",
+        "golang-protobuf-encoding-prototext",
     ],
     srcs: [
         "androidmk.go",
diff --git a/android/androidmk.go b/android/androidmk.go
index 557e7ba..f032f1b 100644
--- a/android/androidmk.go
+++ b/android/androidmk.go
@@ -486,9 +486,9 @@
 	if a.Include == "" {
 		a.Include = "$(BUILD_PREBUILT)"
 	}
-	a.Required = append(a.Required, amod.commonProperties.Required...)
-	a.Host_required = append(a.Host_required, amod.commonProperties.Host_required...)
-	a.Target_required = append(a.Target_required, amod.commonProperties.Target_required...)
+	a.Required = append(a.Required, mod.(Module).RequiredModuleNames()...)
+	a.Host_required = append(a.Host_required, mod.(Module).HostRequiredModuleNames()...)
+	a.Target_required = append(a.Target_required, mod.(Module).TargetRequiredModuleNames()...)
 
 	for _, distString := range a.GetDistForGoals(mod) {
 		fmt.Fprintf(&a.header, distString)
diff --git a/android/arch.go b/android/arch.go
index 340f136..7ca7336 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -15,13 +15,14 @@
 package android
 
 import (
-	"android/soong/bazel"
 	"encoding"
 	"fmt"
 	"reflect"
 	"runtime"
 	"strings"
 
+	"android/soong/bazel"
+
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/bootstrap"
 	"github.com/google/blueprint/proptools"
@@ -254,7 +255,7 @@
 // Linux returns true if the OS uses the Linux kernel, i.e. if the OS is Android or is Linux
 // with or without the Bionic libc runtime.
 func (os OsType) Linux() bool {
-	return os == Android || os == Linux || os == LinuxBionic
+	return os == Android || os == Linux || os == LinuxBionic || os == LinuxMusl
 }
 
 // newOsType constructs an OsType and adds it to the global lists.
@@ -290,28 +291,6 @@
 	return NoOsType
 }
 
-// BuildOs returns the OsType for the OS that the build is running on.
-var BuildOs = func() OsType {
-	switch runtime.GOOS {
-	case "linux":
-		return Linux
-	case "darwin":
-		return Darwin
-	default:
-		panic(fmt.Sprintf("unsupported OS: %s", runtime.GOOS))
-	}
-}()
-
-// BuildArch returns the ArchType for the CPU that the build is running on.
-var BuildArch = func() ArchType {
-	switch runtime.GOARCH {
-	case "amd64":
-		return X86_64
-	default:
-		panic(fmt.Sprintf("unsupported Arch: %s", runtime.GOARCH))
-	}
-}()
-
 var (
 	// osTypeList contains a list of all the supported OsTypes, including ones not supported
 	// by the current build host or the target device.
@@ -326,6 +305,8 @@
 	NoOsType OsType
 	// Linux is the OS for the Linux kernel plus the glibc runtime.
 	Linux = newOsType("linux_glibc", Host, false, X86, X86_64)
+	// LinuxMusl is the OS for the Linux kernel plus the musl runtime.
+	LinuxMusl = newOsType("linux_musl", Host, false, X86, X86_64)
 	// Darwin is the OS for MacOS/Darwin host machines.
 	Darwin = newOsType("darwin", Host, false, X86_64)
 	// LinuxBionic is the OS for the Linux kernel plus the Bionic libc runtime, but without the
@@ -336,8 +317,6 @@
 	// Android is the OS for target devices that run all of Android, including the Linux kernel
 	// and the Bionic libc runtime.
 	Android = newOsType("android", Device, false, Arm, Arm64, X86, X86_64)
-	// Fuchsia is the OS for target devices that run Fuchsia.
-	Fuchsia = newOsType("fuchsia", Device, false, Arm64, X86_64)
 
 	// CommonOS is a pseudo OSType for a common OS variant, which is OsType agnostic and which
 	// has dependencies on all the OS variants.
@@ -886,6 +865,8 @@
 			"Android64",
 			"Android32",
 			"Bionic",
+			"Glibc",
+			"Musl",
 			"Linux",
 			"Not_windows",
 			"Arm_on_x86",
@@ -1131,6 +1112,30 @@
 				}
 			}
 
+			if os == Linux {
+				field := "Glibc"
+				prefix := "target.glibc"
+				if bionicProperties, ok := getChildPropertyStruct(ctx, targetProp, field, prefix); ok {
+					mergePropertyStruct(ctx, genProps, bionicProperties)
+				}
+			}
+
+			if os == LinuxMusl {
+				field := "Musl"
+				prefix := "target.musl"
+				if bionicProperties, ok := getChildPropertyStruct(ctx, targetProp, field, prefix); ok {
+					mergePropertyStruct(ctx, genProps, bionicProperties)
+				}
+
+				// Special case:  to ease the transition from glibc to musl, apply linux_glibc
+				// properties (which has historically mean host linux) to musl variants.
+				field = "Linux_glibc"
+				prefix = "target.linux_glibc"
+				if bionicProperties, ok := getChildPropertyStruct(ctx, targetProp, field, prefix); ok {
+					mergePropertyStruct(ctx, genProps, bionicProperties)
+				}
+			}
+
 			// Handle target OS properties in the form:
 			// target: {
 			//     linux_glibc: {
@@ -1333,6 +1338,16 @@
 		if osArchProperties, ok := getChildPropertyStruct(ctx, targetProp, field, userFriendlyField); ok {
 			result = append(result, osArchProperties)
 		}
+
+		if os == LinuxMusl {
+			// Special case:  to ease the transition from glibc to musl, apply linux_glibc
+			// properties (which has historically mean host linux) to musl variants.
+			field := "Linux_glibc_" + archType.Name
+			userFriendlyField := "target.linux_glibc_" + archType.Name
+			if osArchProperties, ok := getChildPropertyStruct(ctx, targetProp, field, userFriendlyField); ok {
+				result = append(result, osArchProperties)
+			}
+		}
 	}
 
 	// Handle arm on x86 properties in the form:
@@ -1397,6 +1412,34 @@
 	}
 }
 
+// determineBuildOS stores the OS and architecture used for host targets used during the build into
+// config based on the runtime OS and architecture determined by Go and the product configuration.
+func determineBuildOS(config *config) {
+	config.BuildOS = func() OsType {
+		switch runtime.GOOS {
+		case "linux":
+			if Bool(config.productVariables.HostMusl) {
+				return LinuxMusl
+			}
+			return Linux
+		case "darwin":
+			return Darwin
+		default:
+			panic(fmt.Sprintf("unsupported OS: %s", runtime.GOOS))
+		}
+	}()
+
+	config.BuildArch = func() ArchType {
+		switch runtime.GOARCH {
+		case "amd64":
+			return X86_64
+		default:
+			panic(fmt.Sprintf("unsupported Arch: %s", runtime.GOARCH))
+		}
+	}()
+
+}
+
 // Convert the arch product variables into a list of targets for each OsType.
 func decodeTargetProductVariables(config *config) (map[OsType][]Target, error) {
 	variables := config.productVariables
@@ -1430,9 +1473,9 @@
 		hostCross := false
 		if os.Class == Host {
 			var osSupported bool
-			if os == BuildOs {
+			if os == config.BuildOS {
 				osSupported = true
-			} else if BuildOs.Linux() && os.Linux() {
+			} else if config.BuildOS.Linux() && os.Linux() {
 				// LinuxBionic and Linux are compatible
 				osSupported = true
 			} else {
@@ -1470,11 +1513,11 @@
 	}
 
 	// The primary host target, which must always exist.
-	addTarget(BuildOs, *variables.HostArch, nil, nil, nil, NativeBridgeDisabled, nil, nil)
+	addTarget(config.BuildOS, *variables.HostArch, nil, nil, nil, NativeBridgeDisabled, nil, nil)
 
 	// An optional secondary host target.
 	if variables.HostSecondaryArch != nil && *variables.HostSecondaryArch != "" {
-		addTarget(BuildOs, *variables.HostSecondaryArch, nil, nil, nil, NativeBridgeDisabled, nil, nil)
+		addTarget(config.BuildOS, *variables.HostSecondaryArch, nil, nil, nil, NativeBridgeDisabled, nil, nil)
 	}
 
 	// Optional cross-compiled host targets, generally Windows.
@@ -1499,13 +1542,8 @@
 
 	// Optional device targets
 	if variables.DeviceArch != nil && *variables.DeviceArch != "" {
-		var target = Android
-		if Bool(variables.Fuchsia) {
-			target = Fuchsia
-		}
-
 		// The primary device target.
-		addTarget(target, *variables.DeviceArch, variables.DeviceArchVariant,
+		addTarget(Android, *variables.DeviceArch, variables.DeviceArchVariant,
 			variables.DeviceCpuVariant, variables.DeviceAbi, NativeBridgeDisabled, nil, nil)
 
 		// An optional secondary device target.
@@ -1987,6 +2025,10 @@
 	axisToProps[bazel.OsConfigurationAxis] = osToProp
 	axisToProps[bazel.OsArchConfigurationAxis] = archOsToProp
 
+	axisToProps[bazel.BionicConfigurationAxis] = map[string]interface{}{
+		"bionic": getTargetStruct(ctx, propertySet, archProperties, "Bionic"),
+	}
+
 	return axisToProps
 }
 
diff --git a/android/arch_test.go b/android/arch_test.go
index 3aa4779..a828321 100644
--- a/android/arch_test.go
+++ b/android/arch_test.go
@@ -473,3 +473,186 @@
 		})
 	}
 }
+
+type testArchPropertiesModule struct {
+	ModuleBase
+	properties struct {
+		A []string `android:"arch_variant"`
+	}
+}
+
+func (testArchPropertiesModule) GenerateAndroidBuildActions(ctx ModuleContext) {}
+
+func TestArchProperties(t *testing.T) {
+	bp := `
+		module {
+			name: "foo",
+			a: ["root"],
+			arch: {
+				arm: {
+					a:  ["arm"],
+					armv7_a_neon: { a: ["armv7_a_neon"] },
+				},
+				arm64: {
+					a:  ["arm64"],
+					armv8_a: { a: ["armv8_a"] },
+				},
+				x86: { a:  ["x86"] },
+				x86_64: { a:  ["x86_64"] },
+			},
+			multilib: {
+				lib32: { a:  ["lib32"] },
+				lib64: { a:  ["lib64"] },
+			},
+			target: {
+				bionic: { a:  ["bionic"] },
+				host: { a: ["host"] },
+				android: { a:  ["android"] },
+				glibc: { a:  ["glibc"] },
+				musl: { a:  ["musl"] },
+				linux_bionic: { a:  ["linux_bionic"] },
+				linux: { a:  ["linux"] },
+				linux_glibc: { a:  ["linux_glibc"] },
+				linux_musl: { a:  ["linux_musl"] },
+				windows: { a:  ["windows"], enabled: true },
+				darwin: { a:  ["darwin"] },
+				not_windows: { a:  ["not_windows"] },
+				android32: { a:  ["android32"] },
+				android64: { a:  ["android64"] },
+				android_arm: { a:  ["android_arm"] },
+				android_arm64: { a:  ["android_arm64"] },
+				linux_x86: { a:  ["linux_x86"] },
+				linux_x86_64: { a:  ["linux_x86_64"] },
+				linux_glibc_x86: { a:  ["linux_glibc_x86"] },
+				linux_glibc_x86_64: { a:  ["linux_glibc_x86_64"] },
+				linux_musl_x86: { a:  ["linux_musl_x86"] },
+				linux_musl_x86_64: { a:  ["linux_musl_x86_64"] },
+				darwin_x86_64: { a:  ["darwin_x86_64"] },
+				windows_x86: { a:  ["windows_x86"] },
+				windows_x86_64: { a:  ["windows_x86_64"] },
+			},
+		}
+	`
+
+	type result struct {
+		module   string
+		variant  string
+		property []string
+	}
+
+	testCases := []struct {
+		name     string
+		goOS     string
+		preparer FixturePreparer
+		results  []result
+	}{
+		{
+			name: "default",
+			results: []result{
+				{
+					module:   "foo",
+					variant:  "android_arm64_armv8-a",
+					property: []string{"root", "linux", "bionic", "android", "android64", "arm64", "armv8_a", "lib64", "android_arm64"},
+				},
+				{
+					module:   "foo",
+					variant:  "android_arm_armv7-a-neon",
+					property: []string{"root", "linux", "bionic", "android", "android64", "arm", "armv7_a_neon", "lib32", "android_arm"},
+				},
+			},
+		},
+		{
+			name: "linux",
+			goOS: "linux",
+			results: []result{
+				{
+					module:   "foo",
+					variant:  "linux_glibc_x86_64",
+					property: []string{"root", "host", "linux", "glibc", "linux_glibc", "not_windows", "x86_64", "lib64", "linux_x86_64", "linux_glibc_x86_64"},
+				},
+				{
+					module:   "foo",
+					variant:  "linux_glibc_x86",
+					property: []string{"root", "host", "linux", "glibc", "linux_glibc", "not_windows", "x86", "lib32", "linux_x86", "linux_glibc_x86"},
+				},
+			},
+		},
+		{
+			name: "windows",
+			goOS: "linux",
+			preparer: FixtureModifyConfig(func(config Config) {
+				config.Targets[Windows] = []Target{
+					{Windows, Arch{ArchType: X86_64}, NativeBridgeDisabled, "", "", true},
+					{Windows, Arch{ArchType: X86}, NativeBridgeDisabled, "", "", true},
+				}
+			}),
+			results: []result{
+				{
+					module:   "foo",
+					variant:  "windows_x86_64",
+					property: []string{"root", "host", "windows", "x86_64", "lib64", "windows_x86_64"},
+				},
+				{
+					module:   "foo",
+					variant:  "windows_x86",
+					property: []string{"root", "host", "windows", "x86", "lib32", "windows_x86"},
+				},
+			},
+		},
+		{
+			name:     "linux_musl",
+			goOS:     "linux",
+			preparer: FixtureModifyConfig(modifyTestConfigForMusl),
+			results: []result{
+				{
+					module:   "foo",
+					variant:  "linux_musl_x86_64",
+					property: []string{"root", "host", "linux", "musl", "linux_glibc", "linux_musl", "not_windows", "x86_64", "lib64", "linux_x86_64", "linux_musl_x86_64", "linux_glibc_x86_64"},
+				},
+				{
+					module:   "foo",
+					variant:  "linux_musl_x86",
+					property: []string{"root", "host", "linux", "musl", "linux_glibc", "linux_musl", "not_windows", "x86", "lib32", "linux_x86", "linux_musl_x86", "linux_glibc_x86"},
+				},
+			},
+		},
+		{
+			name: "darwin",
+			goOS: "darwin",
+			results: []result{
+				{
+					module:   "foo",
+					variant:  "darwin_x86_64",
+					property: []string{"root", "host", "darwin", "not_windows", "x86_64", "lib64", "darwin_x86_64"},
+				},
+			},
+		},
+	}
+
+	for _, tt := range testCases {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.goOS != "" && tt.goOS != runtime.GOOS {
+				t.Skipf("test requires runtime.GOOS==%s, got %s", tt.goOS, runtime.GOOS)
+			}
+			result := GroupFixturePreparers(
+				PrepareForTestWithArchMutator,
+				OptionalFixturePreparer(tt.preparer),
+				FixtureRegisterWithContext(func(ctx RegistrationContext) {
+					ctx.RegisterModuleType("module", func() Module {
+						module := &testArchPropertiesModule{}
+						module.AddProperties(&module.properties)
+						InitAndroidArchModule(module, HostAndDeviceDefault, MultilibBoth)
+						return module
+					})
+				}),
+			).RunTestWithBp(t, bp)
+
+			for _, want := range tt.results {
+				t.Run(want.module+"_"+want.variant, func(t *testing.T) {
+					got := result.ModuleForTests(want.module, want.variant).Module().(*testArchPropertiesModule).properties.A
+					AssertArrayString(t, "arch mutator property", want.property, got)
+				})
+			}
+		})
+	}
+}
diff --git a/android/bazel.go b/android/bazel.go
index 8d13762..7123ed2 100644
--- a/android/bazel.go
+++ b/android/bazel.go
@@ -127,11 +127,22 @@
 
 var (
 	// Keep any existing BUILD files (and do not generate new BUILD files) for these directories
+	// in the synthetic Bazel workspace.
 	bp2buildKeepExistingBuildFile = map[string]bool{
 		// This is actually build/bazel/build.BAZEL symlinked to ./BUILD
-		".":/*recrusive = */ false,
+		".":/*recursive = */ false,
 
-		"build/bazel":/* recursive = */ true,
+		// build/bazel/examples/apex/... BUILD files should be generated, so
+		// build/bazel is not recursive. Instead list each subdirectory under
+		// build/bazel explicitly.
+		"build/bazel":/* recursive = */ false,
+		"build/bazel/examples/android_app":/* recursive = */ true,
+		"build/bazel/bazel_skylib":/* recursive = */ true,
+		"build/bazel/rules":/* recursive = */ true,
+		"build/bazel/rules_cc":/* recursive = */ true,
+		"build/bazel/tests":/* recursive = */ true,
+		"build/bazel/platforms":/* recursive = */ true,
+		"build/bazel/product_variables":/* recursive = */ true,
 		"build/pesto":/* recursive = */ true,
 
 		// external/bazelbuild-rules_android/... is needed by mixed builds, otherwise mixed builds analysis fails
@@ -140,16 +151,21 @@
 
 		"prebuilts/sdk":/* recursive = */ false,
 		"prebuilts/sdk/tools":/* recursive = */ false,
+		"prebuilts/r8":/* recursive = */ false,
+		"packages/apps/Music":/* recursive = */ false,
 	}
 
 	// Configure modules in these directories to enable bp2build_available: true or false by default.
 	bp2buildDefaultConfig = Bp2BuildConfig{
-		"bionic":                Bp2BuildDefaultTrueRecursively,
-		"external/gwp_asan":     Bp2BuildDefaultTrueRecursively,
-		"system/core/libcutils": Bp2BuildDefaultTrueRecursively,
+		"bionic":                            Bp2BuildDefaultTrueRecursively,
+		"build/bazel/examples/apex/minimal": Bp2BuildDefaultTrueRecursively,
+		"external/gwp_asan":                 Bp2BuildDefaultTrueRecursively,
+		"system/core/libcutils":             Bp2BuildDefaultTrueRecursively,
 		"system/core/property_service/libpropertyinfoparser": Bp2BuildDefaultTrueRecursively,
 		"system/libbase":                  Bp2BuildDefaultTrueRecursively,
 		"system/logging/liblog":           Bp2BuildDefaultTrueRecursively,
+		"system/timezone/apex":            Bp2BuildDefaultTrueRecursively,
+		"system/timezone/output_data":     Bp2BuildDefaultTrueRecursively,
 		"external/jemalloc_new":           Bp2BuildDefaultTrueRecursively,
 		"external/fmtlib":                 Bp2BuildDefaultTrueRecursively,
 		"external/arm-optimized-routines": Bp2BuildDefaultTrueRecursively,
@@ -206,6 +222,9 @@
 		"libjemalloc5_integrationtest",
 		"libjemalloc5_stresstestlib",
 		"libjemalloc5_unittest",
+
+		// APEX support
+		"com.android.runtime", // http://b/194746715, apex, depends on 'libc_malloc_debug' and 'libc_malloc_hooks'
 	}
 
 	// Per-module denylist of cc_library modules to only generate the static
diff --git a/android/bazel_handler.go b/android/bazel_handler.go
index c6364af..341d500 100644
--- a/android/bazel_handler.go
+++ b/android/bazel_handler.go
@@ -333,7 +333,7 @@
 	// The actual platform values here may be overridden by configuration
 	// transitions from the buildroot.
 	cmdFlags = append(cmdFlags,
-		fmt.Sprintf("--platforms=%s", "//build/bazel/platforms:android_arm"))
+		fmt.Sprintf("--platforms=%s", "//build/bazel/platforms:android_target"))
 	cmdFlags = append(cmdFlags,
 		fmt.Sprintf("--extra_toolchains=%s", "//prebuilts/clang/host/linux-x86:all"))
 	// This should be parameterized on the host OS, but let's restrict to linux
diff --git a/android/bazel_paths.go b/android/bazel_paths.go
index f74fed1..b050774 100644
--- a/android/bazel_paths.go
+++ b/android/bazel_paths.go
@@ -73,6 +73,7 @@
 	EarlyModulePathContext
 
 	GetDirectDep(name string) (blueprint.Module, blueprint.DependencyTag)
+	ModuleFromName(name string) (blueprint.Module, bool)
 	Module() Module
 	ModuleType() string
 	OtherModuleName(m blueprint.Module) string
@@ -146,6 +147,10 @@
 	return BazelLabelForModuleSrcExcludes(ctx, []string{path}, []string(nil)).Includes[0]
 }
 
+func BazelLabelForModuleDepSingle(ctx BazelConversionPathContext, path string) bazel.Label {
+	return BazelLabelForModuleDepsExcludes(ctx, []string{path}, []string(nil)).Includes[0]
+}
+
 // BazelLabelForModuleSrc expects a list of path (relative to local module directory) and module
 // references (":<module>") and returns a bazel.LabelList{} containing the resolved references in
 // paths, relative to the local module, or Bazel-labels (absolute if in a different package or
@@ -331,11 +336,9 @@
 // module. The label will be relative to the current directory if appropriate. The dependency must
 // already be resolved by either deps mutator or path deps mutator.
 func getOtherModuleLabel(ctx BazelConversionPathContext, dep, tag string, isWholeLibs bool) bazel.Label {
-	m, _ := ctx.GetDirectDep(dep)
+	m, _ := ctx.ModuleFromName(dep)
 	if m == nil {
-		panic(fmt.Errorf(`Cannot get direct dep %q of %q.
-		This is likely because it was not added via AddDependency().
-		This may be due a mutator skipped during bp2build.`, dep, ctx.Module().Name()))
+		panic(fmt.Errorf("No module named %q found, but was a direct dep of %q", dep, ctx.Module().Name()))
 	}
 	otherLabel := bazelModuleLabel(ctx, m, tag)
 	label := bazelModuleLabel(ctx, ctx.Module(), "")
diff --git a/android/config.go b/android/config.go
index 396b1a6..b3b8f3c 100644
--- a/android/config.go
+++ b/android/config.go
@@ -108,6 +108,12 @@
 
 	ProductVariablesFileName string
 
+	// BuildOS stores the OsType for the OS that the build is running on.
+	BuildOS OsType
+
+	// BuildArch stores the ArchType for the CPU that the build is running on.
+	BuildArch ArchType
+
 	Targets                  map[OsType][]Target
 	BuildOSTarget            Target // the Target for tools run on the build machine
 	BuildOSCommonTarget      Target // the Target for common (java) tools run on the build machine
@@ -326,41 +332,28 @@
 	return Config{config}
 }
 
-func fuchsiaTargets() map[OsType][]Target {
-	return map[OsType][]Target{
-		Fuchsia: {
-			{Fuchsia, Arch{ArchType: Arm64, ArchVariant: "", Abi: []string{"arm64-v8a"}}, NativeBridgeDisabled, "", "", false},
-		},
-		BuildOs: {
-			{BuildOs, Arch{ArchType: X86_64}, NativeBridgeDisabled, "", "", false},
-		},
-	}
-}
-
-var PrepareForTestSetDeviceToFuchsia = FixtureModifyConfig(func(config Config) {
-	config.Targets = fuchsiaTargets()
-})
-
 func modifyTestConfigToSupportArchMutator(testConfig Config) {
 	config := testConfig.config
 
+	determineBuildOS(config)
+
 	config.Targets = map[OsType][]Target{
 		Android: []Target{
 			{Android, Arch{ArchType: Arm64, ArchVariant: "armv8-a", Abi: []string{"arm64-v8a"}}, NativeBridgeDisabled, "", "", false},
 			{Android, Arch{ArchType: Arm, ArchVariant: "armv7-a-neon", Abi: []string{"armeabi-v7a"}}, NativeBridgeDisabled, "", "", false},
 		},
-		BuildOs: []Target{
-			{BuildOs, Arch{ArchType: X86_64}, NativeBridgeDisabled, "", "", false},
-			{BuildOs, Arch{ArchType: X86}, NativeBridgeDisabled, "", "", false},
+		config.BuildOS: []Target{
+			{config.BuildOS, Arch{ArchType: X86_64}, NativeBridgeDisabled, "", "", false},
+			{config.BuildOS, Arch{ArchType: X86}, NativeBridgeDisabled, "", "", false},
 		},
 	}
 
 	if runtime.GOOS == "darwin" {
-		config.Targets[BuildOs] = config.Targets[BuildOs][:1]
+		config.Targets[config.BuildOS] = config.Targets[config.BuildOS][:1]
 	}
 
-	config.BuildOSTarget = config.Targets[BuildOs][0]
-	config.BuildOSCommonTarget = getCommonTargets(config.Targets[BuildOs])[0]
+	config.BuildOSTarget = config.Targets[config.BuildOS][0]
+	config.BuildOSCommonTarget = getCommonTargets(config.Targets[config.BuildOS])[0]
 	config.AndroidCommonTarget = getCommonTargets(config.Targets[Android])[0]
 	config.AndroidFirstDeviceTarget = firstTarget(config.Targets[Android], "lib64", "lib32")[0]
 	config.TestProductVariables.DeviceArch = proptools.StringPtr("arm64")
@@ -369,6 +362,19 @@
 	config.TestProductVariables.DeviceSecondaryArchVariant = proptools.StringPtr("armv7-a-neon")
 }
 
+func modifyTestConfigForMusl(config Config) {
+	delete(config.Targets, config.BuildOS)
+	config.productVariables.HostMusl = boolPtr(true)
+	determineBuildOS(config.config)
+	config.Targets[config.BuildOS] = []Target{
+		{config.BuildOS, Arch{ArchType: X86_64}, NativeBridgeDisabled, "", "", false},
+		{config.BuildOS, Arch{ArchType: X86}, NativeBridgeDisabled, "", "", false},
+	}
+
+	config.BuildOSTarget = config.Targets[config.BuildOS][0]
+	config.BuildOSCommonTarget = getCommonTargets(config.Targets[config.BuildOS])[0]
+}
+
 // TestArchConfig returns a Config object suitable for using for tests that
 // need to run the arch mutator.
 func TestArchConfig(buildDir string, env map[string]string, bp string, fs map[string][]byte) Config {
@@ -439,6 +445,8 @@
 		config.katiEnabled = true
 	}
 
+	determineBuildOS(config)
+
 	// Sets up the map of target OSes to the finer grained compilation targets
 	// that are configured from the product variables.
 	targets, err := decodeTargetProductVariables(config)
@@ -476,8 +484,8 @@
 	config.Targets = targets
 
 	// Compilation targets for host tools.
-	config.BuildOSTarget = config.Targets[BuildOs][0]
-	config.BuildOSCommonTarget = getCommonTargets(config.Targets[BuildOs])[0]
+	config.BuildOSTarget = config.Targets[config.BuildOS][0]
+	config.BuildOSCommonTarget = getCommonTargets(config.Targets[config.BuildOS])[0]
 
 	// Compilation targets for Android.
 	if len(config.Targets[Android]) > 0 {
@@ -837,10 +845,6 @@
 	return Bool(c.productVariables.Skip_boot_jars_check)
 }
 
-func (c *config) Fuchsia() bool {
-	return Bool(c.productVariables.Fuchsia)
-}
-
 func (c *config) MinimizeJavaDebugInfo() bool {
 	return Bool(c.productVariables.MinimizeJavaDebugInfo) && !Bool(c.productVariables.Eng)
 }
@@ -1847,16 +1851,16 @@
 func (c *config) BootJars() []string {
 	return c.Once(earlyBootJarsKey, func() interface{} {
 		list := c.productVariables.BootJars.CopyOfJars()
-		return append(list, c.productVariables.UpdatableBootJars.CopyOfJars()...)
+		return append(list, c.productVariables.ApexBootJars.CopyOfJars()...)
 	}).([]string)
 }
 
-func (c *config) NonUpdatableBootJars() ConfiguredJarList {
+func (c *config) NonApexBootJars() ConfiguredJarList {
 	return c.productVariables.BootJars
 }
 
-func (c *config) UpdatableBootJars() ConfiguredJarList {
-	return c.productVariables.UpdatableBootJars
+func (c *config) ApexBootJars() ConfiguredJarList {
+	return c.productVariables.ApexBootJars
 }
 
 func (c *config) RBEWrapper() string {
diff --git a/android/metrics.go b/android/metrics.go
index b7aee54..2cd5efa 100644
--- a/android/metrics.go
+++ b/android/metrics.go
@@ -18,7 +18,7 @@
 	"io/ioutil"
 	"runtime"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/proto"
 
 	soong_metrics_proto "android/soong/ui/metrics/metrics_proto"
 )
diff --git a/android/module.go b/android/module.go
index 11f63bd..5e2e06a 100644
--- a/android/module.go
+++ b/android/module.go
@@ -223,6 +223,8 @@
 	// the first DependencyTag.
 	GetDirectDep(name string) (blueprint.Module, blueprint.DependencyTag)
 
+	ModuleFromName(name string) (blueprint.Module, bool)
+
 	// VisitDirectDepsBlueprint calls visit for each direct dependency.  If there are multiple
 	// direct dependencies on the same module visit will be called multiple times on that module
 	// and OtherModuleDependencyTag will return a different tag for each.
@@ -325,7 +327,6 @@
 	Host() bool
 	Device() bool
 	Darwin() bool
-	Fuchsia() bool
 	Windows() bool
 	Debug() bool
 	PrimaryArch() bool
@@ -413,6 +414,7 @@
 	InstallInDebugRamdisk() bool
 	InstallInRecovery() bool
 	InstallInRoot() bool
+	InstallInVendor() bool
 	InstallBypassMake() bool
 	InstallForceOS() (*OsType, *ArchType)
 
@@ -471,6 +473,7 @@
 	InstallInDebugRamdisk() bool
 	InstallInRecovery() bool
 	InstallInRoot() bool
+	InstallInVendor() bool
 	InstallBypassMake() bool
 	InstallForceOS() (*OsType, *ArchType)
 	HideFromMake()
@@ -1526,7 +1529,7 @@
 	var installDeps []*installPathsDepSet
 	var packagingSpecs []*packagingSpecsDepSet
 	ctx.VisitDirectDeps(func(dep Module) {
-		if IsInstallDepNeeded(ctx.OtherModuleDependencyTag(dep)) && !dep.IsHideFromMake() {
+		if IsInstallDepNeeded(ctx.OtherModuleDependencyTag(dep)) && !dep.IsHideFromMake() && !dep.IsSkipInstall() {
 			installDeps = append(installDeps, dep.base().installFilesDepSet)
 			packagingSpecs = append(packagingSpecs, dep.base().packagingSpecsDepSet)
 		}
@@ -1579,6 +1582,10 @@
 	return Bool(m.commonProperties.Recovery)
 }
 
+func (m *ModuleBase) InstallInVendor() bool {
+	return Bool(m.commonProperties.Vendor)
+}
+
 func (m *ModuleBase) InstallInRoot() bool {
 	return false
 }
@@ -2032,8 +2039,13 @@
 	tagPath  []blueprint.DependencyTag
 
 	strictVisitDeps bool // If true, enforce that all dependencies are enabled
+
+	bazelConversionMode bool
 }
 
+func (b *baseModuleContext) BazelConversionMode() bool {
+	return b.bazelConversionMode
+}
 func (b *baseModuleContext) OtherModuleName(m blueprint.Module) string {
 	return b.bp.OtherModuleName(m)
 }
@@ -2373,6 +2385,17 @@
 	return b.getDirectDepFirstTag(name)
 }
 
+func (b *baseModuleContext) ModuleFromName(name string) (blueprint.Module, bool) {
+	if !b.BazelConversionMode() {
+		panic("cannot call ModuleFromName if not in bazel conversion mode")
+	}
+	if moduleName, _ := SrcIsModuleWithTag(name); moduleName != "" {
+		return b.bp.ModuleFromName(moduleName)
+	} else {
+		return b.bp.ModuleFromName(name)
+	}
+}
+
 func (b *baseModuleContext) VisitDirectDepsBlueprint(visit func(blueprint.Module)) {
 	b.bp.VisitDirectDeps(visit)
 }
@@ -2563,10 +2586,6 @@
 	return b.os == Darwin
 }
 
-func (b *baseModuleContext) Fuchsia() bool {
-	return b.os == Fuchsia
-}
-
 func (b *baseModuleContext) Windows() bool {
 	return b.os == Windows
 }
@@ -2645,6 +2664,10 @@
 	return m.module.InstallForceOS()
 }
 
+func (m *moduleContext) InstallInVendor() bool {
+	return m.module.InstallInVendor()
+}
+
 func (m *moduleContext) skipInstall() bool {
 	if m.module.base().commonProperties.SkipInstall {
 		return true
diff --git a/android/mutator.go b/android/mutator.go
index 819dd0f..d895669 100644
--- a/android/mutator.go
+++ b/android/mutator.go
@@ -35,7 +35,7 @@
 //   continue on to GenerateAndroidBuildActions
 
 // RegisterMutatorsForBazelConversion is a alternate registration pipeline for bp2build. Exported for testing.
-func RegisterMutatorsForBazelConversion(ctx *Context, preArchMutators, depsMutators, bp2buildMutators []RegisterMutatorFunc) {
+func RegisterMutatorsForBazelConversion(ctx *Context, preArchMutators, bp2buildMutators []RegisterMutatorFunc) {
 	mctx := &registerMutatorsContext{
 		bazelConversionMode: true,
 	}
@@ -53,16 +53,6 @@
 		f(mctx)
 	}
 
-	bp2buildDepsMutators = append([]RegisterMutatorFunc{
-		registerDepsMutatorBp2Build,
-		registerPathDepsMutator,
-		registerBp2buildArchPathDepsMutator,
-	}, depsMutators...)
-
-	for _, f := range bp2buildDepsMutators {
-		f(mctx)
-	}
-
 	// Register bp2build mutators
 	for _, f := range bp2buildMutators {
 		f(mctx)
@@ -227,7 +217,6 @@
 }
 
 var bp2buildPreArchMutators = []RegisterMutatorFunc{}
-var bp2buildDepsMutators = []RegisterMutatorFunc{}
 var bp2buildMutators = map[string]RegisterMutatorFunc{}
 
 // See http://b/192523357
@@ -254,12 +243,6 @@
 	bp2buildPreArchMutators = append(bp2buildPreArchMutators, f)
 }
 
-// DepsBp2BuildMutators adds mutators to be register for converting Android Blueprint modules into
-// Bazel BUILD targets that should run prior to conversion to resolve dependencies.
-func DepsBp2BuildMutators(f RegisterMutatorFunc) {
-	bp2buildDepsMutators = append(bp2buildDepsMutators, f)
-}
-
 type BaseMutatorContext interface {
 	BaseModuleContext
 
@@ -269,6 +252,9 @@
 	// Rename all variants of a module.  The new name is not visible to calls to ModuleName,
 	// AddDependency or OtherModuleName until after this mutator pass is complete.
 	Rename(name string)
+
+	// BazelConversionMode returns whether this mutator is being run as part of Bazel Conversion.
+	BazelConversionMode() bool
 }
 
 type TopDownMutator func(TopDownMutatorContext)
@@ -410,26 +396,24 @@
 	// variant of the current module.  The value should not be modified after being passed to
 	// SetVariationProvider.
 	SetVariationProvider(module blueprint.Module, provider blueprint.ProviderKey, value interface{})
-
-	// BazelConversionMode returns whether this mutator is being run as part of Bazel Conversion.
-	BazelConversionMode() bool
 }
 
 type bottomUpMutatorContext struct {
 	bp blueprint.BottomUpMutatorContext
 	baseModuleContext
-	finalPhase          bool
-	bazelConversionMode bool
+	finalPhase bool
 }
 
 func bottomUpMutatorContextFactory(ctx blueprint.BottomUpMutatorContext, a Module,
 	finalPhase, bazelConversionMode bool) BottomUpMutatorContext {
 
+	moduleContext := a.base().baseModuleContextFactory(ctx)
+	moduleContext.bazelConversionMode = bazelConversionMode
+
 	return &bottomUpMutatorContext{
-		bp:                  ctx,
-		baseModuleContext:   a.base().baseModuleContextFactory(ctx),
-		finalPhase:          finalPhase,
-		bazelConversionMode: bazelConversionMode,
+		bp:                ctx,
+		baseModuleContext: a.base().baseModuleContextFactory(ctx),
+		finalPhase:        finalPhase,
 	}
 }
 
@@ -462,9 +446,11 @@
 func (x *registerMutatorsContext) TopDown(name string, m TopDownMutator) MutatorHandle {
 	f := func(ctx blueprint.TopDownMutatorContext) {
 		if a, ok := ctx.Module().(Module); ok {
+			moduleContext := a.base().baseModuleContextFactory(ctx)
+			moduleContext.bazelConversionMode = x.bazelConversionMode
 			actx := &topDownMutatorContext{
 				bp:                ctx,
-				baseModuleContext: a.base().baseModuleContextFactory(ctx),
+				baseModuleContext: moduleContext,
 			}
 			m(actx)
 		}
@@ -733,7 +719,3 @@
 func (b *bottomUpMutatorContext) SetVariationProvider(module blueprint.Module, provider blueprint.ProviderKey, value interface{}) {
 	b.bp.SetVariationProvider(module, provider, value)
 }
-
-func (b *bottomUpMutatorContext) BazelConversionMode() bool {
-	return b.bazelConversionMode
-}
diff --git a/android/packaging_test.go b/android/packaging_test.go
index f91dc5d..ff7446c 100644
--- a/android/packaging_test.go
+++ b/android/packaging_test.go
@@ -18,13 +18,15 @@
 	"testing"
 
 	"github.com/google/blueprint"
+	"github.com/google/blueprint/proptools"
 )
 
 // Module to be packaged
 type componentTestModule struct {
 	ModuleBase
 	props struct {
-		Deps []string
+		Deps         []string
+		Skip_install *bool
 	}
 }
 
@@ -49,6 +51,9 @@
 	builtFile := PathForModuleOut(ctx, m.Name())
 	dir := ctx.Target().Arch.ArchType.Multilib
 	installDir := PathForModuleInstall(ctx, dir)
+	if proptools.Bool(m.props.Skip_install) {
+		m.SkipInstall()
+	}
 	ctx.InstallFile(installDir, m.Name(), builtFile)
 }
 
@@ -365,3 +370,31 @@
 		}
 		`, []string{"lib64/foo"})
 }
+
+func TestPackagingWithSkipInstallDeps(t *testing.T) {
+	// package -[dep]-> foo -[dep]-> bar      -[dep]-> baz
+	//                  OK           SKIPPED
+	multiTarget := false
+	runPackagingTest(t, multiTarget,
+		`
+		component {
+			name: "foo",
+			deps: ["bar"],
+		}
+
+		component {
+			name: "bar",
+			deps: ["baz"],
+			skip_install: true,
+		}
+
+		component {
+			name: "baz",
+		}
+
+		package_module {
+			name: "package",
+			deps: ["foo"],
+		}
+		`, []string{"lib64/foo"})
+}
diff --git a/android/paths.go b/android/paths.go
index bec8a51..9c9914e 100644
--- a/android/paths.go
+++ b/android/paths.go
@@ -20,6 +20,7 @@
 	"os"
 	"path/filepath"
 	"reflect"
+	"regexp"
 	"sort"
 	"strings"
 
@@ -1667,7 +1668,7 @@
 		partionPaths = []string{"target", "product", ctx.Config().DeviceName(), partition}
 	} else {
 		osName := os.String()
-		if os == Linux {
+		if os == Linux || os == LinuxMusl {
 			// instead of linux_glibc
 			osName = "linux"
 		}
@@ -2094,3 +2095,25 @@
 	}
 	return ret
 }
+
+var thirdPartyDirPrefixExceptions = []*regexp.Regexp{
+	regexp.MustCompile("^vendor/[^/]*google[^/]*/"),
+	regexp.MustCompile("^hardware/google/"),
+	regexp.MustCompile("^hardware/interfaces/"),
+	regexp.MustCompile("^hardware/libhardware[^/]*/"),
+	regexp.MustCompile("^hardware/ril/"),
+}
+
+func IsThirdPartyPath(path string) bool {
+	thirdPartyDirPrefixes := []string{"external/", "vendor/", "hardware/"}
+
+	if HasAnyPrefix(path, thirdPartyDirPrefixes) {
+		for _, prefix := range thirdPartyDirPrefixExceptions {
+			if prefix.MatchString(path) {
+				return false
+			}
+		}
+		return true
+	}
+	return false
+}
diff --git a/android/prebuilt_build_tool.go b/android/prebuilt_build_tool.go
index 516d042..e5edf91 100644
--- a/android/prebuilt_build_tool.go
+++ b/android/prebuilt_build_tool.go
@@ -86,7 +86,7 @@
 
 func (t *prebuiltBuildTool) MakeVars(ctx MakeVarsModuleContext) {
 	if makeVar := String(t.properties.Export_to_make_var); makeVar != "" {
-		if t.Target().Os != BuildOs {
+		if t.Target().Os != ctx.Config().BuildOS {
 			return
 		}
 		ctx.StrictRaw(makeVar, t.toolPath.String())
diff --git a/android/prebuilt_test.go b/android/prebuilt_test.go
index dcd77ea..a1f8e63 100644
--- a/android/prebuilt_test.go
+++ b/android/prebuilt_test.go
@@ -21,360 +21,362 @@
 	"github.com/google/blueprint"
 )
 
-var prebuiltsTests = []struct {
-	name      string
-	replaceBp bool // modules is added to default bp boilerplate if false.
-	modules   string
-	prebuilt  []OsType
-	preparer  FixturePreparer
-}{
-	{
-		name: "no prebuilt",
-		modules: `
-			source {
-				name: "bar",
-			}`,
-		prebuilt: nil,
-	},
-	{
-		name: "no source prebuilt not preferred",
-		modules: `
-			prebuilt {
-				name: "bar",
-				prefer: false,
-				srcs: ["prebuilt_file"],
-			}`,
-		prebuilt: []OsType{Android, BuildOs},
-	},
-	{
-		name: "no source prebuilt preferred",
-		modules: `
-			prebuilt {
-				name: "bar",
-				prefer: true,
-				srcs: ["prebuilt_file"],
-			}`,
-		prebuilt: []OsType{Android, BuildOs},
-	},
-	{
-		name: "prebuilt not preferred",
-		modules: `
-			source {
-				name: "bar",
-			}
+func TestPrebuilts(t *testing.T) {
+	buildOS := TestArchConfig(t.TempDir(), nil, "", nil).BuildOS
 
-			prebuilt {
-				name: "bar",
-				prefer: false,
-				srcs: ["prebuilt_file"],
-			}`,
-		prebuilt: nil,
-	},
-	{
-		name: "prebuilt preferred",
-		modules: `
-			source {
-				name: "bar",
-			}
+	var prebuiltsTests = []struct {
+		name      string
+		replaceBp bool // modules is added to default bp boilerplate if false.
+		modules   string
+		prebuilt  []OsType
+		preparer  FixturePreparer
+	}{
+		{
+			name: "no prebuilt",
+			modules: `
+				source {
+					name: "bar",
+				}`,
+			prebuilt: nil,
+		},
+		{
+			name: "no source prebuilt not preferred",
+			modules: `
+				prebuilt {
+					name: "bar",
+					prefer: false,
+					srcs: ["prebuilt_file"],
+				}`,
+			prebuilt: []OsType{Android, buildOS},
+		},
+		{
+			name: "no source prebuilt preferred",
+			modules: `
+				prebuilt {
+					name: "bar",
+					prefer: true,
+					srcs: ["prebuilt_file"],
+				}`,
+			prebuilt: []OsType{Android, buildOS},
+		},
+		{
+			name: "prebuilt not preferred",
+			modules: `
+				source {
+					name: "bar",
+				}
 
-			prebuilt {
-				name: "bar",
-				prefer: true,
-				srcs: ["prebuilt_file"],
-			}`,
-		prebuilt: []OsType{Android, BuildOs},
-	},
-	{
-		name: "prebuilt no file not preferred",
-		modules: `
-			source {
-				name: "bar",
-			}
+				prebuilt {
+					name: "bar",
+					prefer: false,
+					srcs: ["prebuilt_file"],
+				}`,
+			prebuilt: nil,
+		},
+		{
+			name: "prebuilt preferred",
+			modules: `
+				source {
+					name: "bar",
+				}
 
-			prebuilt {
-				name: "bar",
-				prefer: false,
-			}`,
-		prebuilt: nil,
-	},
-	{
-		name: "prebuilt no file preferred",
-		modules: `
-			source {
-				name: "bar",
-			}
+				prebuilt {
+					name: "bar",
+					prefer: true,
+					srcs: ["prebuilt_file"],
+				}`,
+			prebuilt: []OsType{Android, buildOS},
+		},
+		{
+			name: "prebuilt no file not preferred",
+			modules: `
+				source {
+					name: "bar",
+				}
 
-			prebuilt {
-				name: "bar",
-				prefer: true,
-			}`,
-		prebuilt: nil,
-	},
-	{
-		name: "prebuilt file from filegroup preferred",
-		modules: `
-			filegroup {
-				name: "fg",
-				srcs: ["prebuilt_file"],
-			}
-			prebuilt {
-				name: "bar",
-				prefer: true,
-				srcs: [":fg"],
-			}`,
-		prebuilt: []OsType{Android, BuildOs},
-	},
-	{
-		name: "prebuilt module for device only",
-		modules: `
-			source {
-				name: "bar",
-			}
+				prebuilt {
+					name: "bar",
+					prefer: false,
+				}`,
+			prebuilt: nil,
+		},
+		{
+			name: "prebuilt no file preferred",
+			modules: `
+				source {
+					name: "bar",
+				}
 
-			prebuilt {
-				name: "bar",
-				host_supported: false,
-				prefer: true,
-				srcs: ["prebuilt_file"],
-			}`,
-		prebuilt: []OsType{Android},
-	},
-	{
-		name: "prebuilt file for host only",
-		modules: `
-			source {
-				name: "bar",
-			}
+				prebuilt {
+					name: "bar",
+					prefer: true,
+				}`,
+			prebuilt: nil,
+		},
+		{
+			name: "prebuilt file from filegroup preferred",
+			modules: `
+				filegroup {
+					name: "fg",
+					srcs: ["prebuilt_file"],
+				}
+				prebuilt {
+					name: "bar",
+					prefer: true,
+					srcs: [":fg"],
+				}`,
+			prebuilt: []OsType{Android, buildOS},
+		},
+		{
+			name: "prebuilt module for device only",
+			modules: `
+				source {
+					name: "bar",
+				}
 
-			prebuilt {
-				name: "bar",
-				prefer: true,
-				target: {
-					host: {
-						srcs: ["prebuilt_file"],
-					},
-				},
-			}`,
-		prebuilt: []OsType{BuildOs},
-	},
-	{
-		name: "prebuilt override not preferred",
-		modules: `
-			source {
-				name: "baz",
-			}
+				prebuilt {
+					name: "bar",
+					host_supported: false,
+					prefer: true,
+					srcs: ["prebuilt_file"],
+				}`,
+			prebuilt: []OsType{Android},
+		},
+		{
+			name: "prebuilt file for host only",
+			modules: `
+				source {
+					name: "bar",
+				}
 
-			override_source {
-				name: "bar",
-				base: "baz",
-			}
-
-			prebuilt {
-				name: "bar",
-				prefer: false,
-				srcs: ["prebuilt_file"],
-			}`,
-		prebuilt: nil,
-	},
-	{
-		name: "prebuilt override preferred",
-		modules: `
-			source {
-				name: "baz",
-			}
-
-			override_source {
-				name: "bar",
-				base: "baz",
-			}
-
-			prebuilt {
-				name: "bar",
-				prefer: true,
-				srcs: ["prebuilt_file"],
-			}`,
-		prebuilt: []OsType{Android, BuildOs},
-	},
-	{
-		name:      "prebuilt including default-disabled OS",
-		replaceBp: true,
-		modules: `
-			source {
-				name: "foo",
-				deps: [":bar"],
-				target: {
-					windows: {
-						enabled: true,
-					},
-				},
-			}
-
-			source {
-				name: "bar",
-				target: {
-					windows: {
-						enabled: true,
-					},
-				},
-			}
-
-			prebuilt {
-				name: "bar",
-				prefer: true,
-				srcs: ["prebuilt_file"],
-				target: {
-					windows: {
-						enabled: true,
-					},
-				},
-			}`,
-		prebuilt: []OsType{Android, BuildOs, Windows},
-	},
-	{
-		name:      "fall back to source for default-disabled OS",
-		replaceBp: true,
-		modules: `
-			source {
-				name: "foo",
-				deps: [":bar"],
-				target: {
-					windows: {
-						enabled: true,
-					},
-				},
-			}
-
-			source {
-				name: "bar",
-				target: {
-					windows: {
-						enabled: true,
-					},
-				},
-			}
-
-			prebuilt {
-				name: "bar",
-				prefer: true,
-				srcs: ["prebuilt_file"],
-			}`,
-		prebuilt: []OsType{Android, BuildOs},
-	},
-	{
-		name:      "prebuilt properties customizable",
-		replaceBp: true,
-		modules: `
-			source {
-				name: "foo",
-				deps: [":bar"],
-			}
-
-			soong_config_module_type {
-				name: "prebuilt_with_config",
-				module_type: "prebuilt",
-				config_namespace: "any_namespace",
-				bool_variables: ["bool_var"],
-				properties: ["prefer"],
-			}
-
-			prebuilt_with_config {
-				name: "bar",
-				prefer: true,
-				srcs: ["prebuilt_file"],
-				soong_config_variables: {
-					bool_var: {
-						prefer: false,
-						conditions_default: {
-							prefer: true,
+				prebuilt {
+					name: "bar",
+					prefer: true,
+					target: {
+						host: {
+							srcs: ["prebuilt_file"],
 						},
 					},
-				},
-			}`,
-		prebuilt: []OsType{Android, BuildOs},
-	},
-	{
-		name: "prebuilt use_source_config_var={acme, use_source} - no var specified",
-		modules: `
-			source {
-				name: "bar",
-			}
+				}`,
+			prebuilt: []OsType{buildOS},
+		},
+		{
+			name: "prebuilt override not preferred",
+			modules: `
+				source {
+					name: "baz",
+				}
 
-			prebuilt {
-				name: "bar",
-				use_source_config_var: {config_namespace: "acme", var_name: "use_source"},
-				srcs: ["prebuilt_file"],
-			}`,
-		// When use_source_env is specified then it will use the prebuilt by default if the environment
-		// variable is not set.
-		prebuilt: []OsType{Android, BuildOs},
-	},
-	{
-		name: "prebuilt use_source_config_var={acme, use_source} - acme_use_source=false",
-		modules: `
-			source {
-				name: "bar",
-			}
+				override_source {
+					name: "bar",
+					base: "baz",
+				}
 
-			prebuilt {
-				name: "bar",
-				use_source_config_var: {config_namespace: "acme", var_name: "use_source"},
-				srcs: ["prebuilt_file"],
-			}`,
-		preparer: FixtureModifyProductVariables(func(variables FixtureProductVariables) {
-			variables.VendorVars = map[string]map[string]string{
-				"acme": {
-					"use_source": "false",
-				},
-			}
-		}),
-		// Setting the environment variable named in use_source_env to false will cause the prebuilt to
-		// be used.
-		prebuilt: []OsType{Android, BuildOs},
-	},
-	{
-		name: "prebuilt use_source_config_var={acme, use_source} - acme_use_source=true",
-		modules: `
-			source {
-				name: "bar",
-			}
+				prebuilt {
+					name: "bar",
+					prefer: false,
+					srcs: ["prebuilt_file"],
+				}`,
+			prebuilt: nil,
+		},
+		{
+			name: "prebuilt override preferred",
+			modules: `
+				source {
+					name: "baz",
+				}
 
-			prebuilt {
-				name: "bar",
-				use_source_config_var: {config_namespace: "acme", var_name: "use_source"},
-				srcs: ["prebuilt_file"],
-			}`,
-		preparer: FixtureModifyProductVariables(func(variables FixtureProductVariables) {
-			variables.VendorVars = map[string]map[string]string{
-				"acme": {
-					"use_source": "true",
-				},
-			}
-		}),
-		// Setting the environment variable named in use_source_env to true will cause the source to be
-		// used.
-		prebuilt: nil,
-	},
-	{
-		name: "prebuilt use_source_config_var={acme, use_source} - acme_use_source=true, no source",
-		modules: `
-			prebuilt {
-				name: "bar",
-				use_source_config_var: {config_namespace: "acme", var_name: "use_source"},
-				srcs: ["prebuilt_file"],
-			}`,
-		preparer: FixtureModifyProductVariables(func(variables FixtureProductVariables) {
-			variables.VendorVars = map[string]map[string]string{
-				"acme": {
-					"use_source": "true",
-				},
-			}
-		}),
-		// Although the environment variable says to use source there is no source available.
-		prebuilt: []OsType{Android, BuildOs},
-	},
-}
+				override_source {
+					name: "bar",
+					base: "baz",
+				}
 
-func TestPrebuilts(t *testing.T) {
+				prebuilt {
+					name: "bar",
+					prefer: true,
+					srcs: ["prebuilt_file"],
+				}`,
+			prebuilt: []OsType{Android, buildOS},
+		},
+		{
+			name:      "prebuilt including default-disabled OS",
+			replaceBp: true,
+			modules: `
+				source {
+					name: "foo",
+					deps: [":bar"],
+					target: {
+						windows: {
+							enabled: true,
+						},
+					},
+				}
+
+				source {
+					name: "bar",
+					target: {
+						windows: {
+							enabled: true,
+						},
+					},
+				}
+
+				prebuilt {
+					name: "bar",
+					prefer: true,
+					srcs: ["prebuilt_file"],
+					target: {
+						windows: {
+							enabled: true,
+						},
+					},
+				}`,
+			prebuilt: []OsType{Android, buildOS, Windows},
+		},
+		{
+			name:      "fall back to source for default-disabled OS",
+			replaceBp: true,
+			modules: `
+				source {
+					name: "foo",
+					deps: [":bar"],
+					target: {
+						windows: {
+							enabled: true,
+						},
+					},
+				}
+
+				source {
+					name: "bar",
+					target: {
+						windows: {
+							enabled: true,
+						},
+					},
+				}
+
+				prebuilt {
+					name: "bar",
+					prefer: true,
+					srcs: ["prebuilt_file"],
+				}`,
+			prebuilt: []OsType{Android, buildOS},
+		},
+		{
+			name:      "prebuilt properties customizable",
+			replaceBp: true,
+			modules: `
+				source {
+					name: "foo",
+					deps: [":bar"],
+				}
+
+				soong_config_module_type {
+					name: "prebuilt_with_config",
+					module_type: "prebuilt",
+					config_namespace: "any_namespace",
+					bool_variables: ["bool_var"],
+					properties: ["prefer"],
+				}
+
+				prebuilt_with_config {
+					name: "bar",
+					prefer: true,
+					srcs: ["prebuilt_file"],
+					soong_config_variables: {
+						bool_var: {
+							prefer: false,
+							conditions_default: {
+								prefer: true,
+							},
+						},
+					},
+				}`,
+			prebuilt: []OsType{Android, buildOS},
+		},
+		{
+			name: "prebuilt use_source_config_var={acme, use_source} - no var specified",
+			modules: `
+				source {
+					name: "bar",
+				}
+
+				prebuilt {
+					name: "bar",
+					use_source_config_var: {config_namespace: "acme", var_name: "use_source"},
+					srcs: ["prebuilt_file"],
+				}`,
+			// When use_source_env is specified then it will use the prebuilt by default if the environment
+			// variable is not set.
+			prebuilt: []OsType{Android, buildOS},
+		},
+		{
+			name: "prebuilt use_source_config_var={acme, use_source} - acme_use_source=false",
+			modules: `
+				source {
+					name: "bar",
+				}
+
+				prebuilt {
+					name: "bar",
+					use_source_config_var: {config_namespace: "acme", var_name: "use_source"},
+					srcs: ["prebuilt_file"],
+				}`,
+			preparer: FixtureModifyProductVariables(func(variables FixtureProductVariables) {
+				variables.VendorVars = map[string]map[string]string{
+					"acme": {
+						"use_source": "false",
+					},
+				}
+			}),
+			// Setting the environment variable named in use_source_env to false will cause the prebuilt to
+			// be used.
+			prebuilt: []OsType{Android, buildOS},
+		},
+		{
+			name: "prebuilt use_source_config_var={acme, use_source} - acme_use_source=true",
+			modules: `
+				source {
+					name: "bar",
+				}
+
+				prebuilt {
+					name: "bar",
+					use_source_config_var: {config_namespace: "acme", var_name: "use_source"},
+					srcs: ["prebuilt_file"],
+				}`,
+			preparer: FixtureModifyProductVariables(func(variables FixtureProductVariables) {
+				variables.VendorVars = map[string]map[string]string{
+					"acme": {
+						"use_source": "true",
+					},
+				}
+			}),
+			// Setting the environment variable named in use_source_env to true will cause the source to be
+			// used.
+			prebuilt: nil,
+		},
+		{
+			name: "prebuilt use_source_config_var={acme, use_source} - acme_use_source=true, no source",
+			modules: `
+				prebuilt {
+					name: "bar",
+					use_source_config_var: {config_namespace: "acme", var_name: "use_source"},
+					srcs: ["prebuilt_file"],
+				}`,
+			preparer: FixtureModifyProductVariables(func(variables FixtureProductVariables) {
+				variables.VendorVars = map[string]map[string]string{
+					"acme": {
+						"use_source": "true",
+					},
+				}
+			}),
+			// Although the environment variable says to use source there is no source available.
+			prebuilt: []OsType{Android, buildOS},
+		},
+	}
+
 	fs := MockFS{
 		"prebuilt_file": nil,
 		"source_file":   nil,
diff --git a/android/register.go b/android/register.go
index 4c8088d..5984862 100644
--- a/android/register.go
+++ b/android/register.go
@@ -180,7 +180,7 @@
 		bp2buildMutatorList = append(bp2buildMutatorList, f)
 	}
 
-	RegisterMutatorsForBazelConversion(ctx, bp2buildPreArchMutators, bp2buildDepsMutators, bp2buildMutatorList)
+	RegisterMutatorsForBazelConversion(ctx, bp2buildPreArchMutators, bp2buildMutatorList)
 }
 
 // Register the pipeline of singletons, module types, and mutators for
diff --git a/android/rule_builder.go b/android/rule_builder.go
index 2507c4c..6605869 100644
--- a/android/rule_builder.go
+++ b/android/rule_builder.go
@@ -22,9 +22,10 @@
 	"strings"
 	"testing"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
+	"google.golang.org/protobuf/encoding/prototext"
+	"google.golang.org/protobuf/proto"
 
 	"android/soong/cmd/sbox/sbox_proto"
 	"android/soong/remoteexec"
@@ -621,7 +622,11 @@
 		}
 
 		// Create a rule to write the manifest as a the textproto.
-		WriteFileRule(r.ctx, r.sboxManifestPath, proto.MarshalTextString(&manifest))
+		pbText, err := prototext.Marshal(&manifest)
+		if err != nil {
+			ReportPathErrorf(r.ctx, "sbox manifest failed to marshal: %q", err)
+		}
+		WriteFileRule(r.ctx, r.sboxManifestPath, string(pbText))
 
 		// Generate a new string to use as the command line of the sbox rule.  This uses
 		// a RuleBuilderCommand as a convenience method of building the command line, then
@@ -1266,7 +1271,7 @@
 	t.Helper()
 	content := ContentFromFileRuleForTests(t, params)
 	manifest := sbox_proto.Manifest{}
-	err := proto.UnmarshalText(content, &manifest)
+	err := prototext.Unmarshal([]byte(content), &manifest)
 	if err != nil {
 		t.Fatalf("failed to unmarshal manifest: %s", err.Error())
 	}
diff --git a/android/sdk.go b/android/sdk.go
index e700031..da740f3 100644
--- a/android/sdk.go
+++ b/android/sdk.go
@@ -239,6 +239,12 @@
 	// to the zip
 	CopyToSnapshot(src Path, dest string)
 
+	// Return the path to an empty file.
+	//
+	// This can be used by sdk member types that need to create an empty file in the snapshot, simply
+	// pass the value returned from this to the CopyToSnapshot() method.
+	EmptyFile() Path
+
 	// Unzip the supplied zip into the snapshot relative directory destDir.
 	UnzipToSnapshot(zipPath Path, destDir string)
 
diff --git a/android/test_suites.go b/android/test_suites.go
index 6b7b909..22f6cf2 100644
--- a/android/test_suites.go
+++ b/android/test_suites.go
@@ -60,7 +60,7 @@
 	for _, module := range SortedStringKeys(files) {
 		installedPaths = append(installedPaths, files[module]...)
 	}
-	testCasesDir := pathForInstall(ctx, BuildOs, X86, "testcases", false).ToMakePath()
+	testCasesDir := pathForInstall(ctx, ctx.Config().BuildOS, X86, "testcases", false).ToMakePath()
 
 	outputFile := PathForOutput(ctx, "packaging", "robolectric-tests.zip")
 	rule := NewRuleBuilder(pctx, ctx)
diff --git a/android/testing.go b/android/testing.go
index 17a812e..6ba8e3c 100644
--- a/android/testing.go
+++ b/android/testing.go
@@ -171,9 +171,9 @@
 
 type TestContext struct {
 	*Context
-	preArch, preDeps, postDeps, finalDeps           []RegisterMutatorFunc
-	bp2buildPreArch, bp2buildDeps, bp2buildMutators []RegisterMutatorFunc
-	NameResolver                                    *NameResolver
+	preArch, preDeps, postDeps, finalDeps []RegisterMutatorFunc
+	bp2buildPreArch, bp2buildMutators     []RegisterMutatorFunc
+	NameResolver                          *NameResolver
 
 	// The list of pre-singletons and singletons registered for the test.
 	preSingletons, singletons sortableComponents
@@ -224,12 +224,6 @@
 	ctx.bp2buildPreArch = append(ctx.bp2buildPreArch, f)
 }
 
-// DepsBp2BuildMutators adds mutators to be register for converting Android Blueprint modules into
-// Bazel BUILD targets that should run prior to conversion to resolve dependencies.
-func (ctx *TestContext) DepsBp2BuildMutators(f RegisterMutatorFunc) {
-	ctx.bp2buildDeps = append(ctx.bp2buildDeps, f)
-}
-
 // registeredComponentOrder defines the order in which a sortableComponent type is registered at
 // runtime and provides support for reordering the components registered for a test in the same
 // way.
@@ -464,7 +458,7 @@
 
 // RegisterForBazelConversion prepares a test context for bp2build conversion.
 func (ctx *TestContext) RegisterForBazelConversion() {
-	RegisterMutatorsForBazelConversion(ctx.Context, ctx.bp2buildPreArch, ctx.bp2buildDeps, ctx.bp2buildMutators)
+	RegisterMutatorsForBazelConversion(ctx.Context, ctx.bp2buildPreArch, ctx.bp2buildMutators)
 }
 
 func (ctx *TestContext) ParseFileList(rootDir string, filePaths []string) (deps []string, errs []error) {
diff --git a/android/variable.go b/android/variable.go
index bbb9868..0fb9078 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -203,6 +203,7 @@
 
 	HostArch          *string `json:",omitempty"`
 	HostSecondaryArch *string `json:",omitempty"`
+	HostMusl          *bool   `json:",omitempty"`
 
 	CrossHost              *string `json:",omitempty"`
 	CrossHostArch          *string `json:",omitempty"`
@@ -252,8 +253,8 @@
 	UncompressPrivAppDex             *bool    `json:",omitempty"`
 	ModulesLoadedByPrivilegedModules []string `json:",omitempty"`
 
-	BootJars          ConfiguredJarList `json:",omitempty"`
-	UpdatableBootJars ConfiguredJarList `json:",omitempty"`
+	BootJars     ConfiguredJarList `json:",omitempty"`
+	ApexBootJars ConfiguredJarList `json:",omitempty"`
 
 	IntegerOverflowExcludePaths []string `json:",omitempty"`
 
@@ -299,8 +300,6 @@
 
 	Override_rs_driver *string `json:",omitempty"`
 
-	Fuchsia *bool `json:",omitempty"`
-
 	DeviceKernelHeaders []string `json:",omitempty"`
 
 	ExtraVndkVersions []string `json:",omitempty"`
@@ -442,8 +441,8 @@
 		Malloc_pattern_fill_contents: boolPtr(false),
 		Safestack:                    boolPtr(false),
 
-		BootJars:          ConfiguredJarList{apexes: []string{}, jars: []string{}},
-		UpdatableBootJars: ConfiguredJarList{apexes: []string{}, jars: []string{}},
+		BootJars:     ConfiguredJarList{apexes: []string{}, jars: []string{}},
+		ApexBootJars: ConfiguredJarList{apexes: []string{}, jars: []string{}},
 	}
 
 	if runtime.GOOS == "linux" {
diff --git a/androidmk/parser/make_strings.go b/androidmk/parser/make_strings.go
index 3c4815e..aac4c4e 100644
--- a/androidmk/parser/make_strings.go
+++ b/androidmk/parser/make_strings.go
@@ -278,6 +278,15 @@
 	}
 }
 
+// If MakeString is $(var) after trimming, returns var
+func (ms *MakeString) SingleVariable() (*MakeString, bool) {
+	if len(ms.Strings) != 2 || strings.TrimSpace(ms.Strings[0]) != "" ||
+		strings.TrimSpace(ms.Strings[1]) != "" {
+		return nil, false
+	}
+	return ms.Variables[0].Name, true
+}
+
 func splitAnyN(s, sep string, n int) []string {
 	ret := []string{}
 	for n == -1 || n > 1 {
diff --git a/androidmk/parser/parser.go b/androidmk/parser/parser.go
index 5afef65..d24efc1 100644
--- a/androidmk/parser/parser.go
+++ b/androidmk/parser/parser.go
@@ -216,13 +216,14 @@
 		// Nothing
 	case "else":
 		p.ignoreSpaces()
-		if p.tok != '\n' {
+		if p.tok != '\n' && p.tok != '#' {
 			d = p.scanner.TokenText()
 			p.accept(scanner.Ident)
 			if d == "ifdef" || d == "ifndef" || d == "ifeq" || d == "ifneq" {
 				d = "el" + d
 				p.ignoreSpaces()
 				expression = p.parseExpression()
+				expression.TrimRightSpaces()
 			} else {
 				p.errorf("expected ifdef/ifndef/ifeq/ifneq, found %s", d)
 			}
diff --git a/apex/apex.go b/apex/apex.go
index 11df288..e525aff 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -1696,6 +1696,7 @@
 	a.checkUpdatable(ctx)
 	a.checkMinSdkVersion(ctx)
 	a.checkStaticLinkingToStubLibraries(ctx)
+	a.checkStaticExecutables(ctx)
 	if len(a.properties.Tests) > 0 && !a.testApex {
 		ctx.PropertyErrorf("tests", "property allowed only in apex_test module type")
 		return
@@ -2240,6 +2241,7 @@
 	android.InitDefaultableModule(module)
 	android.InitSdkAwareModule(module)
 	android.InitOverridableModule(module, &module.overridableProperties.Overrides)
+	android.InitBazelModule(module)
 	return module
 }
 
@@ -2486,6 +2488,41 @@
 	})
 }
 
+// checkStaticExecutable ensures that executables in an APEX are not static.
+func (a *apexBundle) checkStaticExecutables(ctx android.ModuleContext) {
+	// No need to run this for host APEXes
+	if ctx.Host() {
+		return
+	}
+
+	ctx.VisitDirectDepsBlueprint(func(module blueprint.Module) {
+		if ctx.OtherModuleDependencyTag(module) != executableTag {
+			return
+		}
+
+		if l, ok := module.(cc.LinkableInterface); ok && l.StaticExecutable() {
+			apex := a.ApexVariationName()
+			exec := ctx.OtherModuleName(module)
+			if isStaticExecutableAllowed(apex, exec) {
+				return
+			}
+			ctx.ModuleErrorf("executable %s is static", ctx.OtherModuleName(module))
+		}
+	})
+}
+
+// A small list of exceptions where static executables are allowed in APEXes.
+func isStaticExecutableAllowed(apex string, exec string) bool {
+	m := map[string][]string{
+		"com.android.runtime": []string{
+			"linker",
+			"linkerconfig",
+		},
+	}
+	execNames, ok := m[apex]
+	return ok && android.InList(exec, execNames)
+}
+
 // Collect information for opening IDE project files in java/jdeps.go.
 func (a *apexBundle) IDEInfo(dpInfo *android.IdeInfo) {
 	dpInfo.Deps = append(dpInfo.Deps, a.properties.Java_libs...)
@@ -3186,7 +3223,17 @@
 // For Bazel / bp2build
 
 type bazelApexBundleAttributes struct {
-	Manifest bazel.LabelAttribute
+	Manifest           bazel.LabelAttribute
+	Android_manifest   bazel.LabelAttribute
+	File_contexts      bazel.LabelAttribute
+	Key                bazel.LabelAttribute
+	Certificate        bazel.LabelAttribute
+	Min_sdk_version    string
+	Updatable          bazel.BoolAttribute
+	Installable        bazel.BoolAttribute
+	Native_shared_libs bazel.LabelListAttribute
+	Binaries           bazel.StringListAttribute
+	Prebuilts          bazel.LabelListAttribute
 }
 
 type bazelApexBundle struct {
@@ -3219,14 +3266,68 @@
 
 func apexBundleBp2BuildInternal(ctx android.TopDownMutatorContext, module *apexBundle) {
 	var manifestLabelAttribute bazel.LabelAttribute
-
-	manifestStringPtr := module.properties.Manifest
 	if module.properties.Manifest != nil {
-		manifestLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *manifestStringPtr))
+		manifestLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *module.properties.Manifest))
+	}
+
+	var androidManifestLabelAttribute bazel.LabelAttribute
+	if module.properties.AndroidManifest != nil {
+		androidManifestLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *module.properties.AndroidManifest))
+	}
+
+	var fileContextsLabelAttribute bazel.LabelAttribute
+	if module.properties.File_contexts != nil {
+		fileContextsLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *module.properties.File_contexts))
+	}
+
+	var minSdkVersion string
+	if module.properties.Min_sdk_version != nil {
+		minSdkVersion = *module.properties.Min_sdk_version
+	}
+
+	var keyLabelAttribute bazel.LabelAttribute
+	if module.overridableProperties.Key != nil {
+		keyLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *module.overridableProperties.Key))
+	}
+
+	var certificateLabelAttribute bazel.LabelAttribute
+	if module.overridableProperties.Certificate != nil {
+		certificateLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *module.overridableProperties.Certificate))
+	}
+
+	nativeSharedLibs := module.properties.ApexNativeDependencies.Native_shared_libs
+	nativeSharedLibsLabelList := android.BazelLabelForModuleDeps(ctx, nativeSharedLibs)
+	nativeSharedLibsLabelListAttribute := bazel.MakeLabelListAttribute(nativeSharedLibsLabelList)
+
+	prebuilts := module.properties.Prebuilts
+	prebuiltsLabelList := android.BazelLabelForModuleDeps(ctx, prebuilts)
+	prebuiltsLabelListAttribute := bazel.MakeLabelListAttribute(prebuiltsLabelList)
+
+	binaries := module.properties.ApexNativeDependencies.Binaries
+	binariesStringListAttribute := bazel.MakeStringListAttribute(binaries)
+
+	var updatableAttribute bazel.BoolAttribute
+	if module.properties.Updatable != nil {
+		updatableAttribute.Value = module.properties.Updatable
+	}
+
+	var installableAttribute bazel.BoolAttribute
+	if module.properties.Installable != nil {
+		installableAttribute.Value = module.properties.Installable
 	}
 
 	attrs := &bazelApexBundleAttributes{
-		Manifest: manifestLabelAttribute,
+		Manifest:           manifestLabelAttribute,
+		Android_manifest:   androidManifestLabelAttribute,
+		File_contexts:      fileContextsLabelAttribute,
+		Min_sdk_version:    minSdkVersion,
+		Key:                keyLabelAttribute,
+		Certificate:        certificateLabelAttribute,
+		Updatable:          updatableAttribute,
+		Installable:        installableAttribute,
+		Native_shared_libs: nativeSharedLibsLabelListAttribute,
+		Binaries:           binariesStringListAttribute,
+		Prebuilts:          prebuiltsLabelListAttribute,
 	}
 
 	props := bazel.BazelTargetModuleProperties{
diff --git a/apex/apex_singleton.go b/apex/apex_singleton.go
index 0ed94af..9178431 100644
--- a/apex/apex_singleton.go
+++ b/apex/apex_singleton.go
@@ -59,8 +59,15 @@
 				echo "******************************";
 				echo "Detected changes to allowed dependencies in updatable modules.";
 				echo "To fix and update packages/modules/common/build/allowed_deps.txt, please run:";
-				echo "$$ (croot && packages/modules/common/build/update-apex-allowed-deps.sh)";
-				echo "Members of mainline-modularization@google.com will review the changes.";
+				echo -e "$$ (croot && packages/modules/common/build/update-apex-allowed-deps.sh)\n";
+				echo "When submitting the generated CL, you must include the following information";
+				echo "in the commit message if you are adding a new dependency:";
+				echo "Apex-Size-Increase:";
+				echo "Previous-Platform-Support:";
+				echo "Aosp-First:";
+				echo "Test-Info:";
+				echo "You do not need OWNERS approval to submit the change, but mainline-modularization@";
+				echo "will periodically review additions and may require changes.";
 				echo -e "******************************\n";
 				exit 1;
 			fi;
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 422e46c..41bfcea 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -374,7 +374,6 @@
 			symlinks: ["foo_link_"],
 			symlink_preferred_arch: true,
 			system_shared_libs: [],
-			static_executable: true,
 			stl: "none",
 			apex_available: [ "myapex", "com.android.gki.*" ],
 		}
@@ -2494,7 +2493,6 @@
 			srcs: ["mylib.cpp"],
 			relative_install_path: "foo/bar",
 			system_shared_libs: [],
-			static_executable: true,
 			stl: "none",
 			apex_available: [ "myapex" ],
 		}
@@ -2554,7 +2552,6 @@
 			name: "mybin",
 			relative_install_path: "foo/bar",
 			system_shared_libs: [],
-			static_executable: true,
 			stl: "none",
 			apex_available: [ "myapex" ],
 			native_bridge_supported: true,
@@ -4667,6 +4664,13 @@
 			prebuilt_bootclasspath_fragment {
 				name: "art-bootclasspath-fragment",
 				contents: ["core-oj"],
+				hidden_api: {
+					annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+					metadata: "my-bootclasspath-fragment/metadata.csv",
+					index: "my-bootclasspath-fragment/index.csv",
+					stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+					all_flags: "my-bootclasspath-fragment/all-flags.csv",
+				},
 			}
 
 			java_import {
@@ -4890,7 +4894,7 @@
 		}
 	}
 
-	checkHiddenAPIIndexInputs := func(t *testing.T, ctx *android.TestContext, expectedIntermediateInputs string) {
+	checkHiddenAPIIndexFromClassesInputs := func(t *testing.T, ctx *android.TestContext, expectedIntermediateInputs string) {
 		t.Helper()
 		platformBootclasspath := ctx.ModuleForTests("platform-bootclasspath", "android_common")
 		var rule android.TestingBuildParams
@@ -4899,6 +4903,15 @@
 		java.CheckHiddenAPIRuleInputs(t, "intermediate index", expectedIntermediateInputs, rule)
 	}
 
+	checkHiddenAPIIndexFromFlagsInputs := func(t *testing.T, ctx *android.TestContext, expectedIntermediateInputs string) {
+		t.Helper()
+		platformBootclasspath := ctx.ModuleForTests("platform-bootclasspath", "android_common")
+		var rule android.TestingBuildParams
+
+		rule = platformBootclasspath.Output("hiddenapi-index.csv")
+		java.CheckHiddenAPIRuleInputs(t, "monolithic index", expectedIntermediateInputs, rule)
+	}
+
 	fragment := java.ApexVariantReference{
 		Apex:   proptools.StringPtr("myapex"),
 		Module: proptools.StringPtr("my-bootclasspath-fragment"),
@@ -4923,6 +4936,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -4946,9 +4966,10 @@
 		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
-		checkHiddenAPIIndexInputs(t, ctx, `
-			out/soong/.intermediates/libbar.stubs/android_common/combined/libbar.stubs.jar
-			out/soong/.intermediates/libfoo/android_common_myapex/combined/libfoo.jar
+		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
+		checkHiddenAPIIndexFromFlagsInputs(t, ctx, `
+			my-bootclasspath-fragment/index.csv
+			out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/hiddenapi-monolithic/index-from-classes.csv
 		`)
 	})
 
@@ -4964,6 +4985,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -4987,9 +5015,10 @@
 		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
-		checkHiddenAPIIndexInputs(t, ctx, `
-			out/soong/.intermediates/libbar.stubs/android_common/combined/libbar.stubs.jar
-			out/soong/.intermediates/libfoo/android_common_myapex/combined/libfoo.jar
+		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
+		checkHiddenAPIIndexFromFlagsInputs(t, ctx, `
+			my-bootclasspath-fragment/index.csv
+			out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/hiddenapi-monolithic/index-from-classes.csv
 		`)
 	})
 
@@ -5012,6 +5041,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -5070,6 +5106,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -5108,9 +5151,10 @@
 		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
-		checkHiddenAPIIndexInputs(t, ctx, `
-			out/soong/.intermediates/prebuilt_libbar.stubs/android_common/combined/libbar.stubs.jar
-			out/soong/.intermediates/prebuilt_libfoo/android_common_myapex/combined/libfoo.jar
+		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
+		checkHiddenAPIIndexFromFlagsInputs(t, ctx, `
+			my-bootclasspath-fragment/index.csv
+			out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/hiddenapi-monolithic/index-from-classes.csv
 		`)
 	})
 
@@ -5146,6 +5190,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -5182,9 +5233,10 @@
 		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/libbar/android_common_myapex/hiddenapi/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
-		checkHiddenAPIIndexInputs(t, ctx, `
-			out/soong/.intermediates/libbar/android_common_myapex/javac/libbar.jar
-			out/soong/.intermediates/libfoo/android_common_apex10000/javac/libfoo.jar
+		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
+		checkHiddenAPIIndexFromFlagsInputs(t, ctx, `
+			my-bootclasspath-fragment/index.csv
+			out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/hiddenapi-monolithic/index-from-classes.csv
 		`)
 	})
 
@@ -5220,6 +5272,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -5258,9 +5317,10 @@
 		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
-		checkHiddenAPIIndexInputs(t, ctx, `
-			out/soong/.intermediates/prebuilt_libbar.stubs/android_common/combined/libbar.stubs.jar
-			out/soong/.intermediates/prebuilt_libfoo/android_common_myapex/combined/libfoo.jar
+		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
+		checkHiddenAPIIndexFromFlagsInputs(t, ctx, `
+			my-bootclasspath-fragment/index.csv
+			out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/hiddenapi-monolithic/index-from-classes.csv
 		`)
 	})
 }
@@ -7183,6 +7243,13 @@
 				name: "my-bootclasspath-fragment",
 				contents: ["libfoo"],
 				apex_available: ["myapex"],
+				hidden_api: {
+					annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+					metadata: "my-bootclasspath-fragment/metadata.csv",
+					index: "my-bootclasspath-fragment/index.csv",
+					stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+					all_flags: "my-bootclasspath-fragment/all-flags.csv",
+				},
 			}
 
 			java_import {
@@ -7194,7 +7261,7 @@
 	})
 }
 
-func testApexPermittedPackagesRules(t *testing.T, errmsg, bp string, apexBootJars []string, rules []android.Rule) {
+func testApexPermittedPackagesRules(t *testing.T, errmsg, bp string, bootJars []string, rules []android.Rule) {
 	t.Helper()
 	bp += `
 	apex_key {
@@ -7219,11 +7286,11 @@
 		PrepareForTestWithApexBuildComponents,
 		android.PrepareForTestWithNeverallowRules(rules),
 		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
-			updatableBootJars := make([]string, 0, len(apexBootJars))
-			for _, apexBootJar := range apexBootJars {
-				updatableBootJars = append(updatableBootJars, "myapex:"+apexBootJar)
+			apexBootJars := make([]string, 0, len(bootJars))
+			for _, apexBootJar := range bootJars {
+				apexBootJars = append(apexBootJars, "myapex:"+apexBootJar)
 			}
-			variables.UpdatableBootJars = android.CreateTestConfiguredJarList(updatableBootJars)
+			variables.ApexBootJars = android.CreateTestConfiguredJarList(apexBootJars)
 		}),
 		fs.AddToFixture(),
 	).
@@ -8118,6 +8185,57 @@
 	}
 }
 
+func TestProhibitStaticExecutable(t *testing.T) {
+	testApexError(t, `executable mybin is static`, `
+		apex {
+			name: "myapex",
+			key: "myapex.key",
+			binaries: ["mybin"],
+			min_sdk_version: "29",
+		}
+
+		apex_key {
+			name: "myapex.key",
+			public_key: "testkey.avbpubkey",
+			private_key: "testkey.pem",
+		}
+
+		cc_binary {
+			name: "mybin",
+			srcs: ["mylib.cpp"],
+			relative_install_path: "foo/bar",
+			static_executable: true,
+			system_shared_libs: [],
+			stl: "none",
+			apex_available: [ "myapex" ],
+			min_sdk_version: "29",
+		}
+	`)
+
+	testApexError(t, `executable mybin.rust is static`, `
+		apex {
+			name: "myapex",
+			key: "myapex.key",
+			binaries: ["mybin.rust"],
+			min_sdk_version: "29",
+		}
+
+		apex_key {
+			name: "myapex.key",
+			public_key: "testkey.avbpubkey",
+			private_key: "testkey.pem",
+		}
+
+		rust_binary {
+			name: "mybin.rust",
+			srcs: ["foo.rs"],
+			static_executable: true,
+			apex_available: ["myapex"],
+			min_sdk_version: "29",
+		}
+	`)
+}
+
 func TestMain(m *testing.M) {
 	os.Exit(m.Run())
 }
diff --git a/apex/bootclasspath_fragment_test.go b/apex/bootclasspath_fragment_test.go
index 4b1600e..6098989 100644
--- a/apex/bootclasspath_fragment_test.go
+++ b/apex/bootclasspath_fragment_test.go
@@ -383,6 +383,13 @@
 				apex_available: [
 					"com.android.art",
 				],
+				hidden_api: {
+					annotation_flags: "mybootclasspathfragment/annotation-flags.csv",
+					metadata: "mybootclasspathfragment/metadata.csv",
+					index: "mybootclasspathfragment/index.csv",
+					stub_flags: "mybootclasspathfragment/stub-flags.csv",
+					all_flags: "mybootclasspathfragment/all-flags.csv",
+				},
 			}
 		`, contentsInsert(contents), prefer)
 		return android.FixtureAddTextFile("prebuilts/module_sdk/art/Android.bp", text)
@@ -582,6 +589,13 @@
 			apex_available: [
 				"com.android.art",
 			],
+			hidden_api: {
+				annotation_flags: "mybootclasspathfragment/annotation-flags.csv",
+				metadata: "mybootclasspathfragment/metadata.csv",
+				index: "mybootclasspathfragment/index.csv",
+				stub_flags: "mybootclasspathfragment/stub-flags.csv",
+				all_flags: "mybootclasspathfragment/all-flags.csv",
+			},
 		}
 	`)
 
@@ -734,7 +748,7 @@
 		prepareForTestWithMyapex,
 		// Configure bootclasspath jars to ensure that hidden API encoding is performed on them.
 		java.FixtureConfigureBootJars("com.android.art:baz", "com.android.art:quuz"),
-		java.FixtureConfigureUpdatableBootJars("myapex:foo", "myapex:bar"),
+		java.FixtureConfigureApexBootJars("myapex:foo", "myapex:bar"),
 		// Make sure that the frameworks/base/Android.bp file exists as otherwise hidden API encoding
 		// is disabled.
 		android.FixtureAddTextFile("frameworks/base/Android.bp", ""),
diff --git a/apex/builder.go b/apex/builder.go
index 24c049b..148f42f 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -761,7 +761,7 @@
 	rule := java.Signapk
 	args := map[string]string{
 		"certificates": pem.String() + " " + key.String(),
-		"flags":        "-a 4096", //alignment
+		"flags":        "-a 4096 --align-file-size", //alignment
 	}
 	implicits := android.Paths{pem, key}
 	if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_SIGNAPK") {
diff --git a/apex/key.go b/apex/key.go
index 8b33b59..32a7ce1 100644
--- a/apex/key.go
+++ b/apex/key.go
@@ -20,6 +20,7 @@
 	"strings"
 
 	"android/soong/android"
+	"android/soong/bazel"
 
 	"github.com/google/blueprint/proptools"
 )
@@ -33,10 +34,13 @@
 func registerApexKeyBuildComponents(ctx android.RegistrationContext) {
 	ctx.RegisterModuleType("apex_key", ApexKeyFactory)
 	ctx.RegisterSingletonType("apex_keys_text", apexKeysTextFactory)
+
+	android.RegisterBp2BuildMutator("apex_key", ApexKeyBp2Build)
 }
 
 type apexKey struct {
 	android.ModuleBase
+	android.BazelModuleBase
 
 	properties apexKeyProperties
 
@@ -61,6 +65,7 @@
 	module := &apexKey{}
 	module.AddProperties(&module.properties)
 	android.InitAndroidArchModule(module, android.HostAndDeviceDefault, android.MultilibCommon)
+	android.InitBazelModule(module)
 	return module
 }
 
@@ -190,3 +195,68 @@
 func (s *apexKeysText) MakeVars(ctx android.MakeVarsContext) {
 	ctx.Strict("SOONG_APEX_KEYS_FILE", s.output.String())
 }
+
+// For Bazel / bp2build
+
+type bazelApexKeyAttributes struct {
+	Public_key  bazel.LabelAttribute
+	Private_key bazel.LabelAttribute
+}
+
+type bazelApexKey struct {
+	android.BazelTargetModuleBase
+	bazelApexKeyAttributes
+}
+
+func BazelApexKeyFactory() android.Module {
+	module := &bazelApexKey{}
+	module.AddProperties(&module.bazelApexKeyAttributes)
+	android.InitBazelTargetModule(module)
+	return module
+}
+
+func ApexKeyBp2Build(ctx android.TopDownMutatorContext) {
+	module, ok := ctx.Module().(*apexKey)
+	if !ok {
+		// Not an APEX key
+		return
+	}
+	if !module.ConvertWithBp2build(ctx) {
+		return
+	}
+	if ctx.ModuleType() != "apex_key" {
+		return
+	}
+
+	apexKeyBp2BuildInternal(ctx, module)
+}
+
+func apexKeyBp2BuildInternal(ctx android.TopDownMutatorContext, module *apexKey) {
+	var privateKeyLabelAttribute bazel.LabelAttribute
+	if module.properties.Private_key != nil {
+		privateKeyLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *module.properties.Private_key))
+	}
+
+	var publicKeyLabelAttribute bazel.LabelAttribute
+	if module.properties.Public_key != nil {
+		publicKeyLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *module.properties.Public_key))
+	}
+
+	attrs := &bazelApexKeyAttributes{
+		Private_key: privateKeyLabelAttribute,
+		Public_key:  publicKeyLabelAttribute,
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class:        "apex_key",
+		Bzl_load_location: "//build/bazel/rules:apex_key.bzl",
+	}
+
+	ctx.CreateBazelTargetModule(BazelApexKeyFactory, module.Name(), props, attrs)
+}
+
+func (m *bazelApexKey) Name() string {
+	return m.BaseModuleName()
+}
+
+func (m *bazelApexKey) GenerateAndroidBuildActions(ctx android.ModuleContext) {}
diff --git a/apex/platform_bootclasspath_test.go b/apex/platform_bootclasspath_test.go
index 7209c02..3066c79 100644
--- a/apex/platform_bootclasspath_test.go
+++ b/apex/platform_bootclasspath_test.go
@@ -159,11 +159,12 @@
 		android.AssertPathsRelativeToTopEquals(t, message, expected, info.FlagsFilesByCategory[category])
 	}
 
-	android.AssertPathsRelativeToTopEquals(t, "stub flags", []string{"out/soong/.intermediates/bar-fragment/android_common_apex10000/modular-hiddenapi/stub-flags.csv"}, info.StubFlagsPaths)
 	android.AssertPathsRelativeToTopEquals(t, "annotation flags", []string{"out/soong/.intermediates/bar-fragment/android_common_apex10000/modular-hiddenapi/annotation-flags.csv"}, info.AnnotationFlagsPaths)
 	android.AssertPathsRelativeToTopEquals(t, "metadata flags", []string{"out/soong/.intermediates/bar-fragment/android_common_apex10000/modular-hiddenapi/metadata.csv"}, info.MetadataPaths)
 	android.AssertPathsRelativeToTopEquals(t, "index flags", []string{"out/soong/.intermediates/bar-fragment/android_common_apex10000/modular-hiddenapi/index.csv"}, info.IndexPaths)
-	android.AssertPathsRelativeToTopEquals(t, "all flags", []string{"out/soong/.intermediates/bar-fragment/android_common_apex10000/modular-hiddenapi/all-flags.csv"}, info.AllFlagsPaths)
+
+	android.AssertArrayString(t, "stub flags", []string{"out/soong/.intermediates/bar-fragment/android_common_apex10000/modular-hiddenapi/stub-flags.csv:out/soong/.intermediates/bar-fragment/android_common_apex10000/modular-hiddenapi/signature-patterns.csv"}, info.StubFlagSubsets.RelativeToTop())
+	android.AssertArrayString(t, "all flags", []string{"out/soong/.intermediates/bar-fragment/android_common_apex10000/modular-hiddenapi/all-flags.csv:out/soong/.intermediates/bar-fragment/android_common_apex10000/modular-hiddenapi/signature-patterns.csv"}, info.FlagSubsets.RelativeToTop())
 }
 
 func TestPlatformBootclasspathDependencies(t *testing.T) {
@@ -173,7 +174,7 @@
 		prepareForTestWithMyapex,
 		// Configure some libraries in the art and framework boot images.
 		java.FixtureConfigureBootJars("com.android.art:baz", "com.android.art:quuz", "platform:foo"),
-		java.FixtureConfigureUpdatableBootJars("myapex:bar"),
+		java.FixtureConfigureApexBootJars("myapex:bar"),
 		java.PrepareForTestWithJavaSdkLibraryFiles,
 		java.FixtureWithLastReleaseApis("foo"),
 	).RunTestWithBp(t, `
@@ -288,7 +289,7 @@
 		"com.android.art:quuz",
 		"platform:foo",
 
-		// The configured contents of UpdatableBootJars.
+		// The configured contents of ApexBootJars.
 		"myapex:bar",
 	})
 
@@ -313,7 +314,7 @@
 		`com.android.art:quuz`,
 		`platform:foo`,
 
-		// The configured contents of UpdatableBootJars.
+		// The configured contents of ApexBootJars.
 		`myapex:bar`,
 
 		// The fragments.
@@ -348,7 +349,7 @@
 		// if the dependency on myapex:foo is filtered out because of either of those conditions then
 		// the dependencies resolved by the platform_bootclasspath will not match the configured list
 		// and so will fail the test.
-		java.FixtureConfigureUpdatableBootJars("myapex:foo", "myapex:bar"),
+		java.FixtureConfigureApexBootJars("myapex:foo", "myapex:bar"),
 		java.PrepareForTestWithJavaSdkLibraryFiles,
 		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
 			variables.Always_use_prebuilt_sdks = proptools.BoolPtr(true)
@@ -490,7 +491,7 @@
 	result := android.GroupFixturePreparers(
 		prepareForTestWithPlatformBootclasspath,
 		prepareForTestWithMyapex,
-		java.FixtureConfigureUpdatableBootJars("myapex:foo"),
+		java.FixtureConfigureApexBootJars("myapex:foo"),
 		android.FixtureWithRootAndroidBp(`
 			platform_bootclasspath {
 				name: "platform-bootclasspath",
diff --git a/bazel/configurability.go b/bazel/configurability.go
index 282c606..f5f0913 100644
--- a/bazel/configurability.go
+++ b/bazel/configurability.go
@@ -29,8 +29,8 @@
 	// OsType names in arch.go
 	osAndroid     = "android"
 	osDarwin      = "darwin"
-	osFuchsia     = "fuchsia"
 	osLinux       = "linux_glibc"
+	osLinuxMusl   = "linux_musl"
 	osLinuxBionic = "linux_bionic"
 	osWindows     = "windows"
 
@@ -40,10 +40,10 @@
 	osArchAndroidX86        = "android_x86"
 	osArchAndroidX86_64     = "android_x86_64"
 	osArchDarwinX86_64      = "darwin_x86_64"
-	osArchFuchsiaArm64      = "fuchsia_arm64"
-	osArchFuchsiaX86_64     = "fuchsia_x86_64"
 	osArchLinuxX86          = "linux_glibc_x86"
 	osArchLinuxX86_64       = "linux_glibc_x86_64"
+	osArchLinuxMuslX86      = "linux_musl_x86"
+	osArchLinuxMuslX86_64   = "linux_musl_x86_64"
 	osArchLinuxBionicArm64  = "linux_bionic_arm64"
 	osArchLinuxBionicX86_64 = "linux_bionic_x86_64"
 	osArchWindowsX86        = "windows_x86"
@@ -84,23 +84,28 @@
 	platformOsMap = map[string]string{
 		osAndroid:         "//build/bazel/platforms/os:android",
 		osDarwin:          "//build/bazel/platforms/os:darwin",
-		osFuchsia:         "//build/bazel/platforms/os:fuchsia",
 		osLinux:           "//build/bazel/platforms/os:linux",
+		osLinuxMusl:       "//build/bazel/platforms/os:linux_musl",
 		osLinuxBionic:     "//build/bazel/platforms/os:linux_bionic",
 		osWindows:         "//build/bazel/platforms/os:windows",
 		conditionsDefault: ConditionsDefaultSelectKey, // The default condition of an os select map.
 	}
 
+	platformBionicMap = map[string]string{
+		"bionic":          "//build/bazel/platforms/os:bionic",
+		conditionsDefault: ConditionsDefaultSelectKey, // The default condition of an os select map.
+	}
+
 	platformOsArchMap = map[string]string{
 		osArchAndroidArm:        "//build/bazel/platforms/os_arch:android_arm",
 		osArchAndroidArm64:      "//build/bazel/platforms/os_arch:android_arm64",
 		osArchAndroidX86:        "//build/bazel/platforms/os_arch:android_x86",
 		osArchAndroidX86_64:     "//build/bazel/platforms/os_arch:android_x86_64",
 		osArchDarwinX86_64:      "//build/bazel/platforms/os_arch:darwin_x86_64",
-		osArchFuchsiaArm64:      "//build/bazel/platforms/os_arch:fuchsia_arm64",
-		osArchFuchsiaX86_64:     "//build/bazel/platforms/os_arch:fuchsia_x86_64",
 		osArchLinuxX86:          "//build/bazel/platforms/os_arch:linux_glibc_x86",
 		osArchLinuxX86_64:       "//build/bazel/platforms/os_arch:linux_glibc_x86_64",
+		osArchLinuxMuslX86:      "//build/bazel/platforms/os_arch:linux_musl_x86",
+		osArchLinuxMuslX86_64:   "//build/bazel/platforms/os_arch:linux_musl_x86_64",
 		osArchLinuxBionicArm64:  "//build/bazel/platforms/os_arch:linux_bionic_arm64",
 		osArchLinuxBionicX86_64: "//build/bazel/platforms/os_arch:linux_bionic_x86_64",
 		osArchWindowsX86:        "//build/bazel/platforms/os_arch:windows_x86",
@@ -117,6 +122,7 @@
 	arch
 	os
 	osArch
+	bionic
 	productVariables
 )
 
@@ -126,6 +132,7 @@
 		arch:             "arch",
 		os:               "os",
 		osArch:           "arch_os",
+		bionic:           "bionic",
 		productVariables: "product_variables",
 	}[ct]
 }
@@ -148,6 +155,10 @@
 		if _, ok := platformOsArchMap[config]; !ok {
 			panic(fmt.Errorf("Unknown os+arch: %s", config))
 		}
+	case bionic:
+		if _, ok := platformBionicMap[config]; !ok {
+			panic(fmt.Errorf("Unknown for %s: %s", ct.String(), config))
+		}
 	case productVariables:
 		// do nothing
 	default:
@@ -167,6 +178,8 @@
 		return platformOsMap[config]
 	case osArch:
 		return platformOsArchMap[config]
+	case bionic:
+		return platformBionicMap[config]
 	case productVariables:
 		if config == conditionsDefault {
 			return ConditionsDefaultSelectKey
@@ -186,6 +199,8 @@
 	OsConfigurationAxis = ConfigurationAxis{configurationType: os}
 	// An axis for arch+os-specific configurations
 	OsArchConfigurationAxis = ConfigurationAxis{configurationType: osArch}
+	// An axis for bionic os-specific configurations
+	BionicConfigurationAxis = ConfigurationAxis{configurationType: bionic}
 )
 
 // ProductVariableConfigurationAxis returns an axis for the given product variable
diff --git a/bazel/properties.go b/bazel/properties.go
index 7ecc92b..2656bad 100644
--- a/bazel/properties.go
+++ b/bazel/properties.go
@@ -321,7 +321,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		la.Value = &value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		if la.ConfigurableValues == nil {
 			la.ConfigurableValues = make(configurableLabels)
 		}
@@ -337,7 +337,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		return *la.Value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		return *la.ConfigurableValues[axis][config]
 	default:
 		panic(fmt.Errorf("Unrecognized ConfigurationAxis %s", axis))
@@ -394,7 +394,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		ba.Value = value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		if ba.ConfigurableValues == nil {
 			ba.ConfigurableValues = make(configurableBools)
 		}
@@ -410,7 +410,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		return ba.Value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		if v, ok := ba.ConfigurableValues[axis][config]; ok {
 			return &v
 		} else {
@@ -509,7 +509,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		lla.Value = list
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		if lla.ConfigurableValues == nil {
 			lla.ConfigurableValues = make(configurableLabelLists)
 		}
@@ -525,7 +525,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		return lla.Value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		return lla.ConfigurableValues[axis][config]
 	default:
 		panic(fmt.Errorf("Unrecognized ConfigurationAxis %s", axis))
@@ -682,7 +682,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		sla.Value = list
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		if sla.ConfigurableValues == nil {
 			sla.ConfigurableValues = make(configurableStringLists)
 		}
@@ -698,7 +698,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		return sla.Value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		return sla.ConfigurableValues[axis][config]
 	default:
 		panic(fmt.Errorf("Unrecognized ConfigurationAxis %s", axis))
diff --git a/bp2build/Android.bp b/bp2build/Android.bp
index dded14b..9ec637a 100644
--- a/bp2build/Android.bp
+++ b/bp2build/Android.bp
@@ -23,12 +23,15 @@
         "soong-bazel",
         "soong-cc",
         "soong-cc-config",
+        "soong-etc",
         "soong-genrule",
         "soong-python",
         "soong-sh",
     ],
     testSrcs: [
+        "android_app_certificate_conversion_test.go",
         "apex_conversion_test.go",
+        "apex_key_conversion_test.go",
         "build_conversion_test.go",
         "bzl_conversion_test.go",
         "cc_library_conversion_test.go",
@@ -36,6 +39,7 @@
         "cc_library_static_conversion_test.go",
         "cc_object_conversion_test.go",
         "conversion_test.go",
+        "prebuilt_etc_conversion_test.go",
         "python_binary_conversion_test.go",
         "sh_conversion_test.go",
         "testing.go",
diff --git a/bp2build/android_app_certificate_conversion_test.go b/bp2build/android_app_certificate_conversion_test.go
new file mode 100644
index 0000000..022c687
--- /dev/null
+++ b/bp2build/android_app_certificate_conversion_test.go
@@ -0,0 +1,49 @@
+// Copyright 2021 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 bp2build
+
+import (
+	"android/soong/android"
+	"android/soong/java"
+
+	"testing"
+)
+
+func runAndroidAppCertificateTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	runBp2BuildTestCase(t, registerAndroidAppCertificateModuleTypes, tc)
+}
+
+func registerAndroidAppCertificateModuleTypes(ctx android.RegistrationContext) {
+}
+
+func TestAndroidAppCertificateSimple(t *testing.T) {
+	runAndroidAppCertificateTestCase(t, bp2buildTestCase{
+		description:                        "Android app certificate - simple example",
+		moduleTypeUnderTest:                "android_app_certificate",
+		moduleTypeUnderTestFactory:         java.AndroidAppCertificateFactory,
+		moduleTypeUnderTestBp2BuildMutator: java.AndroidAppCertificateBp2Build,
+		filesystem:                         map[string]string{},
+		blueprint: `
+android_app_certificate {
+        name: "com.android.apogee.cert",
+        certificate: "chamber_of_secrets_dir",
+}
+`,
+		expectedBazelTargets: []string{`android_app_certificate(
+    name = "com.android.apogee.cert",
+    certificate = "chamber_of_secrets_dir",
+)`}})
+}
diff --git a/bp2build/apex_conversion_test.go b/bp2build/apex_conversion_test.go
index fbf6fa2..456f18a 100644
--- a/bp2build/apex_conversion_test.go
+++ b/bp2build/apex_conversion_test.go
@@ -17,6 +17,9 @@
 import (
 	"android/soong/android"
 	"android/soong/apex"
+	"android/soong/cc"
+	"android/soong/java"
+
 	"testing"
 )
 
@@ -26,6 +29,13 @@
 }
 
 func registerApexModuleTypes(ctx android.RegistrationContext) {
+	// CC module types needed as they can be APEX dependencies
+	cc.RegisterCCBuildComponents(ctx)
+
+	ctx.RegisterModuleType("cc_library", cc.LibraryFactory)
+	ctx.RegisterModuleType("apex_key", apex.ApexKeyFactory)
+	ctx.RegisterModuleType("android_app_certificate", java.AndroidAppCertificateFactory)
+	ctx.RegisterModuleType("filegroup", android.FileGroupFactory)
 }
 
 func TestApexBundleSimple(t *testing.T) {
@@ -36,9 +46,129 @@
 		moduleTypeUnderTestBp2BuildMutator: apex.ApexBundleBp2Build,
 		filesystem:                         map[string]string{},
 		blueprint: `
+apex_key {
+        name: "com.android.apogee.key",
+        public_key: "com.android.apogee.avbpubkey",
+        private_key: "com.android.apogee.pem",
+	bazel_module: { bp2build_available: false },
+}
+
+android_app_certificate {
+        name: "com.android.apogee.certificate",
+        certificate: "com.android.apogee",
+        bazel_module: { bp2build_available: false },
+}
+
+cc_library {
+        name: "native_shared_lib_1",
+	bazel_module: { bp2build_available: false },
+}
+
+cc_library {
+        name: "native_shared_lib_2",
+	bazel_module: { bp2build_available: false },
+}
+
+// TODO(b/194878861): Add bp2build support for prebuilt_etc
+cc_library {
+        name: "pretend_prebuilt_1",
+        bazel_module: { bp2build_available: false },
+}
+
+// TODO(b/194878861): Add bp2build support for prebuilt_etc
+cc_library {
+        name: "pretend_prebuilt_2",
+        bazel_module: { bp2build_available: false },
+}
+
+filegroup {
+	name: "com.android.apogee-file_contexts",
+        srcs: [
+                "com.android.apogee-file_contexts",
+        ],
+        bazel_module: { bp2build_available: false },
+}
+
+apex {
+	name: "com.android.apogee",
+	manifest: "apogee_manifest.json",
+	androidManifest: "ApogeeAndroidManifest.xml",
+        file_contexts: "com.android.apogee-file_contexts",
+	min_sdk_version: "29",
+	key: "com.android.apogee.key",
+	certificate: "com.android.apogee.certificate",
+	updatable: false,
+	installable: false,
+	native_shared_libs: [
+	    "native_shared_lib_1",
+	    "native_shared_lib_2",
+	],
+	binaries: [
+            "binary_1",
+	    "binary_2",
+	],
+	prebuilts: [
+	    "pretend_prebuilt_1",
+	    "pretend_prebuilt_2",
+	],
+}
+`,
+		expectedBazelTargets: []string{`apex(
+    name = "com.android.apogee",
+    android_manifest = "ApogeeAndroidManifest.xml",
+    binaries = [
+        "binary_1",
+        "binary_2",
+    ],
+    certificate = ":com.android.apogee.certificate",
+    file_contexts = ":com.android.apogee-file_contexts",
+    installable = False,
+    key = ":com.android.apogee.key",
+    manifest = "apogee_manifest.json",
+    min_sdk_version = "29",
+    native_shared_libs = [
+        ":native_shared_lib_1",
+        ":native_shared_lib_2",
+    ],
+    prebuilts = [
+        ":pretend_prebuilt_1",
+        ":pretend_prebuilt_2",
+    ],
+    updatable = False,
+)`}})
+}
+
+func TestApexBundleDefaultPropertyValues(t *testing.T) {
+	runApexTestCase(t, bp2buildTestCase{
+		description:                        "apex - default property values",
+		moduleTypeUnderTest:                "apex",
+		moduleTypeUnderTestFactory:         apex.BundleFactory,
+		moduleTypeUnderTestBp2BuildMutator: apex.ApexBundleBp2Build,
+		filesystem:                         map[string]string{},
+		blueprint: `
+apex {
+	name: "com.android.apogee",
+	manifest: "apogee_manifest.json",
+}
+`,
+		expectedBazelTargets: []string{`apex(
+    name = "com.android.apogee",
+    manifest = "apogee_manifest.json",
+)`}})
+}
+
+func TestApexBundleHasBazelModuleProps(t *testing.T) {
+	runApexTestCase(t, bp2buildTestCase{
+		description:                        "apex - has bazel module props",
+		moduleTypeUnderTest:                "apex",
+		moduleTypeUnderTestFactory:         apex.BundleFactory,
+		moduleTypeUnderTestBp2BuildMutator: apex.ApexBundleBp2Build,
+		filesystem:                         map[string]string{},
+		blueprint: `
 apex {
 	name: "apogee",
 	manifest: "manifest.json",
+	bazel_module: { bp2build_available: true },
 }
 `,
 		expectedBazelTargets: []string{`apex(
diff --git a/bp2build/apex_key_conversion_test.go b/bp2build/apex_key_conversion_test.go
new file mode 100644
index 0000000..8e1aa09
--- /dev/null
+++ b/bp2build/apex_key_conversion_test.go
@@ -0,0 +1,51 @@
+// Copyright 2021 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 bp2build
+
+import (
+	"android/soong/android"
+	"android/soong/apex"
+
+	"testing"
+)
+
+func runApexKeyTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	runBp2BuildTestCase(t, registerApexKeyModuleTypes, tc)
+}
+
+func registerApexKeyModuleTypes(ctx android.RegistrationContext) {
+}
+
+func TestApexKeySimple(t *testing.T) {
+	runApexKeyTestCase(t, bp2buildTestCase{
+		description:                        "apex key - simple example",
+		moduleTypeUnderTest:                "apex_key",
+		moduleTypeUnderTestFactory:         apex.ApexKeyFactory,
+		moduleTypeUnderTestBp2BuildMutator: apex.ApexKeyBp2Build,
+		filesystem:                         map[string]string{},
+		blueprint: `
+apex_key {
+        name: "com.android.apogee.key",
+        public_key: "com.android.apogee.avbpubkey",
+        private_key: "com.android.apogee.pem",
+}
+`,
+		expectedBazelTargets: []string{`apex_key(
+    name = "com.android.apogee.key",
+    private_key = "com.android.apogee.pem",
+    public_key = "com.android.apogee.avbpubkey",
+)`}})
+}
diff --git a/bp2build/build_conversion_test.go b/bp2build/build_conversion_test.go
index 0e52f2a..e5dbda6 100644
--- a/bp2build/build_conversion_test.go
+++ b/bp2build/build_conversion_test.go
@@ -556,7 +556,6 @@
 		moduleTypeUnderTestFactory         android.ModuleFactory
 		moduleTypeUnderTestBp2BuildMutator func(android.TopDownMutatorContext)
 		preArchMutators                    []android.RegisterMutatorFunc
-		depsMutators                       []android.RegisterMutatorFunc
 		bp                                 string
 		expectedBazelTargets               []string
 		fs                                 map[string]string
@@ -720,7 +719,6 @@
 			moduleTypeUnderTest:                "genrule",
 			moduleTypeUnderTestFactory:         genrule.GenRuleFactory,
 			moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
-			depsMutators:                       []android.RegisterMutatorFunc{genrule.RegisterGenruleBp2BuildDeps},
 			bp: `genrule {
     name: "foo.tool",
     out: ["foo_tool.out"],
@@ -758,7 +756,6 @@
 			moduleTypeUnderTest:                "genrule",
 			moduleTypeUnderTestFactory:         genrule.GenRuleFactory,
 			moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
-			depsMutators:                       []android.RegisterMutatorFunc{genrule.RegisterGenruleBp2BuildDeps},
 			bp: `genrule {
     name: "foo.tools",
     out: ["foo_tool.out", "foo_tool2.out"],
@@ -798,7 +795,6 @@
 			moduleTypeUnderTest:                "genrule",
 			moduleTypeUnderTestFactory:         genrule.GenRuleFactory,
 			moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
-			depsMutators:                       []android.RegisterMutatorFunc{genrule.RegisterGenruleBp2BuildDeps},
 			bp: `genrule {
     name: "foo",
     out: ["foo.out"],
@@ -822,7 +818,6 @@
 			moduleTypeUnderTest:                "genrule",
 			moduleTypeUnderTestFactory:         genrule.GenRuleFactory,
 			moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
-			depsMutators:                       []android.RegisterMutatorFunc{genrule.RegisterGenruleBp2BuildDeps},
 			bp: `genrule {
     name: "foo",
     out: ["foo.out"],
@@ -846,7 +841,6 @@
 			moduleTypeUnderTest:                "genrule",
 			moduleTypeUnderTestFactory:         genrule.GenRuleFactory,
 			moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
-			depsMutators:                       []android.RegisterMutatorFunc{genrule.RegisterGenruleBp2BuildDeps},
 			bp: `genrule {
     name: "foo",
     out: ["foo.out"],
@@ -873,7 +867,6 @@
 			moduleTypeUnderTest:                "genrule",
 			moduleTypeUnderTestFactory:         genrule.GenRuleFactory,
 			moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
-			depsMutators:                       []android.RegisterMutatorFunc{genrule.RegisterGenruleBp2BuildDeps},
 			bp: `genrule {
     name: "foo",
     out: ["foo.out"],
@@ -900,7 +893,6 @@
 			moduleTypeUnderTest:                "genrule",
 			moduleTypeUnderTestFactory:         genrule.GenRuleFactory,
 			moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
-			depsMutators:                       []android.RegisterMutatorFunc{genrule.RegisterGenruleBp2BuildDeps},
 			bp: `genrule {
     name: "foo",
     out: ["foo.out"],
@@ -933,9 +925,6 @@
 		config := android.TestConfig(buildDir, nil, testCase.bp, fs)
 		ctx := android.NewTestContext(config)
 		ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
-		for _, m := range testCase.depsMutators {
-			ctx.DepsBp2BuildMutators(m)
-		}
 		ctx.RegisterBp2BuildMutator(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestBp2BuildMutator)
 		ctx.RegisterForBazelConversion()
 
@@ -1370,7 +1359,6 @@
 		moduleTypeUnderTestFactory         android.ModuleFactory
 		moduleTypeUnderTestBp2BuildMutator func(android.TopDownMutatorContext)
 		preArchMutators                    []android.RegisterMutatorFunc
-		depsMutators                       []android.RegisterMutatorFunc
 		bp                                 string
 		expectedBazelTargets               []string
 		fs                                 map[string]string
@@ -1487,9 +1475,6 @@
 			config := android.TestConfig(buildDir, nil, testCase.bp, fs)
 			ctx := android.NewTestContext(config)
 			ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
-			for _, m := range testCase.depsMutators {
-				ctx.DepsBp2BuildMutators(m)
-			}
 			ctx.RegisterBp2BuildMutator(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestBp2BuildMutator)
 			ctx.RegisterForBazelConversion()
 
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index 4f720f5..8dcba55 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -73,9 +73,6 @@
 	registerModuleTypes(ctx)
 	ctx.RegisterModuleType(tc.moduleTypeUnderTest, tc.moduleTypeUnderTestFactory)
 	ctx.RegisterBp2BuildConfig(bp2buildConfig)
-	for _, m := range tc.depsMutators {
-		ctx.DepsBp2BuildMutators(m)
-	}
 	ctx.RegisterBp2BuildMutator(tc.moduleTypeUnderTest, tc.moduleTypeUnderTestBp2BuildMutator)
 	ctx.RegisterForBazelConversion()
 
@@ -118,6 +115,7 @@
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
 		filesystem: map[string]string{
 			"android.cpp": "",
+			"bionic.cpp":  "",
 			"darwin.cpp":  "",
 			// Refer to cc.headerExts for the supported header extensions in Soong.
 			"header.h":         "",
@@ -164,6 +162,9 @@
         darwin: {
             srcs: ["darwin.cpp"],
         },
+        bionic: {
+          srcs: ["bionic.cpp"]
+        },
     },
 }
 `,
@@ -190,6 +191,9 @@
         "//build/bazel/platforms/os:darwin": ["darwin.cpp"],
         "//build/bazel/platforms/os:linux": ["linux.cpp"],
         "//conditions:default": [],
+    }) + select({
+        "//build/bazel/platforms/os:bionic": ["bionic.cpp"],
+        "//conditions:default": [],
     }),
 )`}})
 }
@@ -326,7 +330,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/both.cpp":       "",
@@ -411,7 +414,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
@@ -458,7 +460,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/arm.cpp":        "",
@@ -597,7 +598,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/both_source.cpp":   "",
@@ -738,7 +738,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
@@ -769,7 +768,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
@@ -812,7 +810,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
@@ -852,7 +849,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
@@ -926,7 +922,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
@@ -956,7 +951,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `cc_library {
@@ -1012,7 +1006,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
@@ -1054,7 +1047,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem:                         map[string]string{},
 		blueprint: soongCcLibraryStaticPreamble + `
 cc_library {
@@ -1301,7 +1293,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
@@ -1408,7 +1399,6 @@
 		moduleTypeUnderTest:                "cc_library",
 		moduleTypeUnderTestFactory:         cc.LibraryFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		dir:                                "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
diff --git a/bp2build/cc_library_headers_conversion_test.go b/bp2build/cc_library_headers_conversion_test.go
index db344de..712d0bd 100644
--- a/bp2build/cc_library_headers_conversion_test.go
+++ b/bp2build/cc_library_headers_conversion_test.go
@@ -45,7 +45,6 @@
 	moduleTypeUnderTest                string
 	moduleTypeUnderTestFactory         android.ModuleFactory
 	moduleTypeUnderTestBp2BuildMutator func(android.TopDownMutatorContext)
-	depsMutators                       []android.RegisterMutatorFunc
 	blueprint                          string
 	expectedBazelTargets               []string
 	filesystem                         map[string]string
@@ -181,13 +180,11 @@
 		moduleTypeUnderTest:                "cc_library_headers",
 		moduleTypeUnderTestFactory:         cc.LibraryHeaderFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem:                         map[string]string{},
 		blueprint: soongCcLibraryPreamble + `
 cc_library_headers { name: "android-lib" }
 cc_library_headers { name: "base-lib" }
 cc_library_headers { name: "darwin-lib" }
-cc_library_headers { name: "fuchsia-lib" }
 cc_library_headers { name: "linux-lib" }
 cc_library_headers { name: "linux_bionic-lib" }
 cc_library_headers { name: "windows-lib" }
@@ -197,7 +194,6 @@
     target: {
         android: { header_libs: ["android-lib"] },
         darwin: { header_libs: ["darwin-lib"] },
-        fuchsia: { header_libs: ["fuchsia-lib"] },
         linux_bionic: { header_libs: ["linux_bionic-lib"] },
         linux_glibc: { header_libs: ["linux-lib"] },
         windows: { header_libs: ["windows-lib"] },
@@ -231,19 +227,12 @@
     implementation_deps = [":base-lib"] + select({
         "//build/bazel/platforms/os:android": [":android-lib"],
         "//build/bazel/platforms/os:darwin": [":darwin-lib"],
-        "//build/bazel/platforms/os:fuchsia": [":fuchsia-lib"],
         "//build/bazel/platforms/os:linux": [":linux-lib"],
         "//build/bazel/platforms/os:linux_bionic": [":linux_bionic-lib"],
         "//build/bazel/platforms/os:windows": [":windows-lib"],
         "//conditions:default": [],
     }),
 )`, `cc_library_headers(
-    name = "fuchsia-lib",
-    copts = [
-        "-I.",
-        "-I$(BINDIR)/.",
-    ],
-)`, `cc_library_headers(
     name = "linux-lib",
     copts = [
         "-I.",
@@ -271,7 +260,6 @@
 		moduleTypeUnderTest:                "cc_library_headers",
 		moduleTypeUnderTestFactory:         cc.LibraryHeaderFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem:                         map[string]string{},
 		blueprint: soongCcLibraryPreamble + `
 cc_library_headers { name: "android-lib" }
@@ -318,7 +306,6 @@
 		moduleTypeUnderTest:                "cc_library_headers",
 		moduleTypeUnderTestFactory:         cc.LibraryHeaderFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem:                         map[string]string{},
 		blueprint: soongCcLibraryPreamble + `cc_library_headers {
     name: "foo_headers",
diff --git a/bp2build/cc_library_static_conversion_test.go b/bp2build/cc_library_static_conversion_test.go
index c33889f..1dc6713 100644
--- a/bp2build/cc_library_static_conversion_test.go
+++ b/bp2build/cc_library_static_conversion_test.go
@@ -469,7 +469,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem:                         map[string]string{},
 		blueprint: soongCcLibraryStaticPreamble + `
 cc_library_static { name: "static_dep" }
@@ -517,7 +516,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem:                         map[string]string{},
 		blueprint: soongCcLibraryStaticPreamble + `
 cc_library_static { name: "static_dep" }
@@ -565,7 +563,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem:                         map[string]string{},
 		blueprint: soongCcLibraryStaticPreamble + `
 cc_library_static { name: "static_dep" }
@@ -632,7 +629,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem: map[string]string{
 			"common.c":       "",
 			"foo-a.c":        "",
@@ -665,7 +661,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem: map[string]string{
 			"common.c":  "",
 			"foo-arm.c": "",
@@ -697,7 +692,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem: map[string]string{
 			"common.c":           "",
 			"for-arm.c":          "",
@@ -734,7 +728,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem: map[string]string{
 			"common.c":      "",
 			"for-arm.c":     "",
@@ -782,7 +775,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem: map[string]string{
 			"common.c":             "",
 			"for-arm.c":            "",
@@ -856,7 +848,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem: map[string]string{
 			"common.cc":       "",
 			"foo-no-arm.cc":   "",
@@ -892,7 +883,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem: map[string]string{
 			"common.cc":       "",
 			"foo-no-arm.cc":   "",
@@ -934,7 +924,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem:                         map[string]string{},
 		blueprint: soongCcLibraryStaticPreamble + `
 cc_library_static { name: "static_dep" }
@@ -967,7 +956,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem: map[string]string{
 			"common.c":        "",
 			"for-lib32.c":     "",
@@ -1003,7 +991,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem: map[string]string{
 			"common.c":        "",
 			"for-lib32.c":     "",
@@ -1059,7 +1046,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem: map[string]string{
 			"common.c":             "",
 			"for-arm.c":            "",
@@ -1151,7 +1137,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem: map[string]string{
 			"common.cpp":             "",
 			"for-x86.cpp":            "",
@@ -1243,7 +1228,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		blueprint: soongCcLibraryStaticPreamble + `
 cc_library_static {
     name: "foo_static",
@@ -1300,8 +1284,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
-		filesystem:                         map[string]string{},
 		blueprint: soongCcLibraryStaticPreamble + `
 cc_library_static {
     name: "foo_static",
@@ -1345,7 +1327,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem:                         map[string]string{},
 		blueprint: soongCcLibraryStaticPreamble + `
 cc_library_static {
@@ -1417,7 +1398,6 @@
 		moduleTypeUnderTest:                "cc_library_static",
 		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		depsMutators:                       []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
 		filesystem:                         map[string]string{},
 		blueprint: soongCcLibraryStaticPreamble + `
 cc_library_static {
diff --git a/bp2build/cc_object_conversion_test.go b/bp2build/cc_object_conversion_test.go
index df4924b..9ac28a5 100644
--- a/bp2build/cc_object_conversion_test.go
+++ b/bp2build/cc_object_conversion_test.go
@@ -46,7 +46,7 @@
 		blueprint: `cc_object {
     name: "foo",
     local_include_dirs: ["include"],
-    default_shared_libs: [],
+    system_shared_libs: [],
     cflags: [
         "-Wno-gcc-compat",
         "-Wall",
@@ -84,7 +84,7 @@
 		moduleTypeUnderTestBp2BuildMutator: cc.ObjectBp2Build,
 		blueprint: `cc_object {
     name: "foo",
-    default_shared_libs: [],
+    system_shared_libs: [],
     local_include_dirs: ["include"],
     srcs: [
         "a/b/*.h",
@@ -137,14 +137,14 @@
 		},
 		blueprint: `cc_object {
     name: "foo",
-    default_shared_libs: [],
+    system_shared_libs: [],
     srcs: ["a/b/c.c"],
     objs: ["bar"],
 }
 
 cc_object {
     name: "bar",
-    default_shared_libs: [],
+    system_shared_libs: [],
     srcs: ["x/y/z.c"],
 }
 `,
@@ -182,7 +182,7 @@
 		},
 		blueprint: `cc_object {
     name: "foo",
-    default_shared_libs: [],
+    system_shared_libs: [],
     srcs: ["a/b/c.c"],
     include_build_directory: false,
 }
@@ -204,7 +204,7 @@
 		moduleTypeUnderTestBp2BuildMutator: cc.ObjectBp2Build,
 		blueprint: `cc_object {
     name: "foo",
-    default_shared_libs: [],
+    system_shared_libs: [],
     include_build_directory: false,
     product_variables: {
         platform_sdk_version: {
@@ -235,7 +235,7 @@
 		moduleTypeUnderTestBp2BuildMutator: cc.ObjectBp2Build,
 		blueprint: `cc_object {
     name: "foo",
-    default_shared_libs: [],
+    system_shared_libs: [],
     srcs: ["a.cpp"],
     arch: {
         x86: {
@@ -275,7 +275,7 @@
 		moduleTypeUnderTestBp2BuildMutator: cc.ObjectBp2Build,
 		blueprint: `cc_object {
     name: "foo",
-    default_shared_libs: [],
+    system_shared_libs: [],
     srcs: ["base.cpp"],
     arch: {
         x86: {
@@ -331,7 +331,7 @@
 		moduleTypeUnderTestBp2BuildMutator: cc.ObjectBp2Build,
 		blueprint: `cc_object {
     name: "foo",
-    default_shared_libs: [],
+    system_shared_libs: [],
     srcs: ["base.cpp"],
     target: {
         android: {
diff --git a/bp2build/prebuilt_etc_conversion_test.go b/bp2build/prebuilt_etc_conversion_test.go
new file mode 100644
index 0000000..4e25d1b
--- /dev/null
+++ b/bp2build/prebuilt_etc_conversion_test.go
@@ -0,0 +1,55 @@
+// Copyright 2021 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 bp2build
+
+import (
+	"android/soong/android"
+	"android/soong/etc"
+
+	"testing"
+)
+
+func runPrebuiltEtcTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	runBp2BuildTestCase(t, registerPrebuiltEtcModuleTypes, tc)
+}
+
+func registerPrebuiltEtcModuleTypes(ctx android.RegistrationContext) {
+}
+
+func TestPrebuiltEtcSimple(t *testing.T) {
+	runPrebuiltEtcTestCase(t, bp2buildTestCase{
+		description:                        "prebuilt_etc - simple example",
+		moduleTypeUnderTest:                "prebuilt_etc",
+		moduleTypeUnderTestFactory:         etc.PrebuiltEtcFactory,
+		moduleTypeUnderTestBp2BuildMutator: etc.PrebuiltEtcBp2Build,
+		filesystem:                         map[string]string{},
+		blueprint: `
+prebuilt_etc {
+    name: "apex_tz_version",
+    src: "version/tz_version",
+    filename: "tz_version",
+    sub_dir: "tz",
+    installable: false,
+}
+`,
+		expectedBazelTargets: []string{`prebuilt_etc(
+    name = "apex_tz_version",
+    filename = "tz_version",
+    installable = False,
+    src = "version/tz_version",
+    sub_dir = "tz",
+)`}})
+}
diff --git a/cc/Android.bp b/cc/Android.bp
index 46740dc..164d32b 100644
--- a/cc/Android.bp
+++ b/cc/Android.bp
@@ -14,6 +14,7 @@
         "soong-cc-config",
         "soong-etc",
         "soong-genrule",
+        "soong-snapshot",
         "soong-tradefed",
     ],
     srcs: [
@@ -58,6 +59,7 @@
         "binary.go",
         "binary_sdk_member.go",
         "fuzz.go",
+        "fuzz_common.go",
         "library.go",
         "library_headers.go",
         "library_sdk_member.go",
diff --git a/cc/androidmk.go b/cc/androidmk.go
index e58d166..bda1006 100644
--- a/cc/androidmk.go
+++ b/cc/androidmk.go
@@ -401,24 +401,24 @@
 	ctx.subAndroidMk(entries, fuzz.binaryDecorator)
 
 	var fuzzFiles []string
-	for _, d := range fuzz.corpus {
+	for _, d := range fuzz.fuzzPackagedModule.Corpus {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.corpusIntermediateDir.String())+":corpus/"+d.Base())
+			filepath.Dir(fuzz.fuzzPackagedModule.CorpusIntermediateDir.String())+":corpus/"+d.Base())
 	}
 
-	for _, d := range fuzz.data {
+	for _, d := range fuzz.fuzzPackagedModule.Data {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.dataIntermediateDir.String())+":data/"+d.Rel())
+			filepath.Dir(fuzz.fuzzPackagedModule.DataIntermediateDir.String())+":data/"+d.Rel())
 	}
 
-	if fuzz.dictionary != nil {
+	if fuzz.fuzzPackagedModule.Dictionary != nil {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.dictionary.String())+":"+fuzz.dictionary.Base())
+			filepath.Dir(fuzz.fuzzPackagedModule.Dictionary.String())+":"+fuzz.fuzzPackagedModule.Dictionary.Base())
 	}
 
-	if fuzz.config != nil {
+	if fuzz.fuzzPackagedModule.Config != nil {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.config.String())+":config.json")
+			filepath.Dir(fuzz.fuzzPackagedModule.Config.String())+":config.json")
 	}
 
 	entries.ExtraEntries = append(entries.ExtraEntries, func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
diff --git a/cc/binary.go b/cc/binary.go
index c177a08..763d2b9 100644
--- a/cc/binary.go
+++ b/cc/binary.go
@@ -215,7 +215,7 @@
 			if binary.Properties.Static_executable == nil && ctx.Config().HostStaticBinaries() {
 				binary.Properties.Static_executable = BoolPtr(true)
 			}
-		} else if !ctx.Fuchsia() {
+		} else {
 			// Static executables are not supported on Darwin or Windows
 			binary.Properties.Static_executable = nil
 		}
@@ -335,7 +335,7 @@
 
 	if flags.DynamicLinker != "" {
 		flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,-dynamic-linker,"+flags.DynamicLinker)
-	} else if ctx.toolchain().Bionic() && !binary.static() {
+	} else if (ctx.toolchain().Bionic() || ctx.toolchain().Musl()) && !binary.static() {
 		flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--no-dynamic-linker")
 	}
 
diff --git a/cc/bp2build.go b/cc/bp2build.go
index 536f112..68afd0d 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -24,124 +24,6 @@
 	"github.com/google/blueprint/proptools"
 )
 
-// bp2build functions and helpers for converting cc_* modules to Bazel.
-
-func init() {
-	android.DepsBp2BuildMutators(RegisterDepsBp2Build)
-}
-
-func RegisterDepsBp2Build(ctx android.RegisterMutatorsContext) {
-	ctx.BottomUp("cc_bp2build_deps", depsBp2BuildMutator)
-}
-
-// A naive deps mutator to add deps on all modules across all combinations of
-// target props for cc modules. This is needed to make module -> bazel label
-// resolution work in the bp2build mutator later. This is probably
-// the wrong way to do it, but it works.
-//
-// TODO(jingwen): can we create a custom os mutator in depsBp2BuildMutator to do this?
-func depsBp2BuildMutator(ctx android.BottomUpMutatorContext) {
-	module, ok := ctx.Module().(*Module)
-	if !ok {
-		// Not a cc module
-		return
-	}
-
-	if !module.ConvertWithBp2build(ctx) {
-		return
-	}
-
-	var allDeps []string
-
-	for _, configToProps := range module.GetArchVariantProperties(ctx, &BaseCompilerProperties{}) {
-		for _, props := range configToProps {
-			if baseCompilerProps, ok := props.(*BaseCompilerProperties); ok {
-				allDeps = append(allDeps, baseCompilerProps.Generated_headers...)
-				allDeps = append(allDeps, baseCompilerProps.Generated_sources...)
-			}
-		}
-	}
-
-	for _, configToProps := range module.GetArchVariantProperties(ctx, &BaseLinkerProperties{}) {
-		for _, props := range configToProps {
-			if baseLinkerProps, ok := props.(*BaseLinkerProperties); ok {
-				allDeps = append(allDeps, baseLinkerProps.Header_libs...)
-				allDeps = append(allDeps, baseLinkerProps.Export_header_lib_headers...)
-				allDeps = append(allDeps, baseLinkerProps.Static_libs...)
-				allDeps = append(allDeps, baseLinkerProps.Exclude_static_libs...)
-				allDeps = append(allDeps, baseLinkerProps.Whole_static_libs...)
-				allDeps = append(allDeps, baseLinkerProps.Shared_libs...)
-				allDeps = append(allDeps, baseLinkerProps.Exclude_shared_libs...)
-			}
-		}
-	}
-
-	// Deps in the static: { .. } and shared: { .. } props of a cc_library.
-	if lib, ok := module.compiler.(*libraryDecorator); ok {
-		appendDeps := func(deps []string, p StaticOrSharedProperties) []string {
-			deps = append(deps, p.Static_libs...)
-			deps = append(deps, p.Whole_static_libs...)
-			deps = append(deps, p.Shared_libs...)
-			return deps
-		}
-
-		allDeps = appendDeps(allDeps, lib.SharedProperties.Shared)
-		allDeps = appendDeps(allDeps, lib.StaticProperties.Static)
-
-		// TODO(b/186024507, b/186489250): Temporarily exclude adding
-		// system_shared_libs deps until libc and libm builds.
-		if lib.static() {
-			allDeps = append(allDeps, lib.StaticProperties.Static.System_shared_libs...)
-		} else if lib.shared() {
-			allDeps = append(allDeps, lib.SharedProperties.Shared.System_shared_libs...)
-		}
-
-		// Deps in the target/arch nested static: { .. } and shared: { .. } props of a cc_library.
-		// target: { <target>: shared: { ... } }
-		for _, configToProps := range module.GetArchVariantProperties(ctx, &SharedProperties{}) {
-			for _, props := range configToProps {
-				if p, ok := props.(*SharedProperties); ok {
-					allDeps = appendDeps(allDeps, p.Shared)
-				}
-			}
-		}
-
-		for _, configToProps := range module.GetArchVariantProperties(ctx, &StaticProperties{}) {
-			for _, props := range configToProps {
-				if p, ok := props.(*StaticProperties); ok {
-					allDeps = appendDeps(allDeps, p.Static)
-				}
-			}
-		}
-	}
-
-	// product variables only support a limited set of fields, this is the full list of field names
-	// related to cc module dependency management that are supported.
-	productVariableDepFields := [4]string{
-		"Shared_libs",
-		"Static_libs",
-		"Exclude_static_libs",
-		"Whole_static_libs",
-	}
-
-	productVariableProps := android.ProductVariableProperties(ctx)
-	for _, name := range productVariableDepFields {
-		props, exists := productVariableProps[name]
-		if !exists {
-			continue
-		}
-		for _, prop := range props {
-			if p, ok := prop.Property.([]string); !ok {
-				ctx.ModuleErrorf("Could not convert product variable %s property", name)
-			} else {
-				allDeps = append(allDeps, p...)
-			}
-		}
-	}
-
-	ctx.AddDependency(module, nil, android.SortedUniqueStrings(allDeps)...)
-}
-
 // staticOrSharedAttributes are the Bazel-ified versions of StaticOrSharedProperties --
 // properties which apply to either the shared or static version of a cc_library module.
 type staticOrSharedAttributes struct {
@@ -185,30 +67,33 @@
 	// Convert the filegroup dependencies into the extension-specific filegroups
 	// filtered in the filegroup.bzl macro.
 	cppFilegroup := func(label string) string {
-		ctx.VisitDirectDeps(func(m android.Module) {
-			if isFilegroupNamed(m, label) {
+		m, exists := ctx.ModuleFromName(label)
+		if exists {
+			aModule, _ := m.(android.Module)
+			if isFilegroupNamed(aModule, label) {
 				label = label + "_cpp_srcs"
-				return
 			}
-		})
+		}
 		return label
 	}
 	cFilegroup := func(label string) string {
-		ctx.VisitDirectDeps(func(m android.Module) {
-			if isFilegroupNamed(m, label) {
+		m, exists := ctx.ModuleFromName(label)
+		if exists {
+			aModule, _ := m.(android.Module)
+			if isFilegroupNamed(aModule, label) {
 				label = label + "_c_srcs"
-				return
 			}
-		})
+		}
 		return label
 	}
 	asFilegroup := func(label string) string {
-		ctx.VisitDirectDeps(func(m android.Module) {
-			if isFilegroupNamed(m, label) {
+		m, exists := ctx.ModuleFromName(label)
+		if exists {
+			aModule, _ := m.(android.Module)
+			if isFilegroupNamed(aModule, label) {
 				label = label + "_as_srcs"
-				return
 			}
-		})
+		}
 		return label
 	}
 
diff --git a/cc/builder.go b/cc/builder.go
index b0842ec..842ce85 100644
--- a/cc/builder.go
+++ b/cc/builder.go
@@ -237,7 +237,7 @@
 	// -w has been added since header-abi-dumper does not need to produce any sort of diagnostic information.
 	sAbiDump, sAbiDumpRE = pctx.RemoteStaticRules("sAbiDump",
 		blueprint.RuleParams{
-			Command:     "rm -f $out && $reTemplate$sAbiDumper -o ${out} $in $exportDirs -- $cFlags -w -isystem prebuilts/clang-tools/${config.HostPrebuiltTag}/clang-headers",
+			Command:     "rm -f $out && $reTemplate$sAbiDumper --root-dir . --root-dir $$OUT_DIR:out -o ${out} $in $exportDirs -- $cFlags -w -isystem prebuilts/clang-tools/${config.HostPrebuiltTag}/clang-headers",
 			CommandDeps: []string{"$sAbiDumper"},
 		}, &remoteexec.REParams{
 			Labels:       map[string]string{"type": "abi-dump", "tool": "header-abi-dumper"},
@@ -255,7 +255,7 @@
 	// sAbi dump file.
 	sAbiLink, sAbiLinkRE = pctx.RemoteStaticRules("sAbiLink",
 		blueprint.RuleParams{
-			Command:        "$reTemplate$sAbiLinker -o ${out} $symbolFilter -arch $arch  $exportedHeaderFlags @${out}.rsp ",
+			Command:        "$reTemplate$sAbiLinker --root-dir . --root-dir $$OUT_DIR:out -o ${out} $symbolFilter -arch $arch $exportedHeaderFlags @${out}.rsp",
 			CommandDeps:    []string{"$sAbiLinker"},
 			Rspfile:        "${out}.rsp",
 			RspfileContent: "${in}",
diff --git a/cc/cc.go b/cc/cc.go
index aeebaef..39d89e5 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -354,6 +354,24 @@
 	// can depend on libraries that are not exported by the APEXes and use private symbols
 	// from the exported libraries.
 	Test_for []string `android:"arch_variant"`
+
+	Target struct {
+		Platform struct {
+			// List of modules required by the core variant.
+			Required []string `android:"arch_variant"`
+
+			// List of modules not required by the core variant.
+			Exclude_required []string `android:"arch_variant"`
+		} `android:"arch_variant"`
+
+		Recovery struct {
+			// List of modules required by the recovery variant.
+			Required []string `android:"arch_variant"`
+
+			// List of modules not required by the recovery variant.
+			Exclude_required []string `android:"arch_variant"`
+		} `android:"arch_variant"`
+	} `android:"arch_variant"`
 }
 
 type VendorProperties struct {
@@ -554,8 +572,7 @@
 	sharedLibs []string
 	// Note nil and [] are semantically distinct. [] prevents linking against the defaults (usually
 	// libc, libm, etc.)
-	systemSharedLibs  []string
-	defaultSharedLibs []string
+	systemSharedLibs []string
 }
 
 // installer is the interface for an installer helper object. This helper is responsible for
@@ -756,14 +773,13 @@
 // members of the cc.Module to this decorator. Thus, a cc_binary module has custom linker and
 // installer logic.
 type Module struct {
-	android.ModuleBase
-	android.DefaultableModuleBase
-	android.ApexModuleBase
+	FuzzModule
+
 	android.SdkBase
 	android.BazelModuleBase
 
-	Properties       BaseProperties
 	VendorProperties VendorProperties
+	Properties       BaseProperties
 
 	// initialize before calling Init
 	hod      android.HostOrDeviceSupported
@@ -867,6 +883,18 @@
 	return c.Properties.HideFromMake
 }
 
+func (c *Module) RequiredModuleNames() []string {
+	required := android.CopyOf(c.ModuleBase.RequiredModuleNames())
+	if c.ImageVariation().Variation == android.CoreVariation {
+		required = append(required, c.Properties.Target.Platform.Required...)
+		required = removeListFromList(required, c.Properties.Target.Platform.Exclude_required)
+	} else if c.InRecovery() {
+		required = append(required, c.Properties.Target.Recovery.Required...)
+		required = removeListFromList(required, c.Properties.Target.Recovery.Exclude_required)
+	}
+	return android.FirstUniqueStrings(required)
+}
+
 func (c *Module) Toc() android.OptionalPath {
 	if c.linker != nil {
 		if library, ok := c.linker.(libraryInterface); ok {
@@ -2284,7 +2312,7 @@
 			actx.AddVariationDependencies([]blueprint.Variation{
 				c.ImageVariation(),
 				{Mutator: "link", Variation: "shared"},
-			}, vndkExtDepTag, vndkdep.getVndkExtendsModuleName())
+			}, vndkExtDepTag, RewriteSnapshotLib(vndkdep.getVndkExtendsModuleName(), GetSnapshot(c, &snapshotInfo, actx).SharedLibs))
 		}
 	}
 }
diff --git a/cc/cc_test.go b/cc/cc_test.go
index 0a3acb9..84c3a86 100644
--- a/cc/cc_test.go
+++ b/cc/cc_test.go
@@ -152,71 +152,6 @@
 	).RunTest(t)
 }
 
-func TestFuchsiaDeps(t *testing.T) {
-	t.Helper()
-
-	bp := `
-		cc_library {
-			name: "libTest",
-			srcs: ["foo.c"],
-			target: {
-				fuchsia: {
-					srcs: ["bar.c"],
-				},
-			},
-		}`
-
-	result := android.GroupFixturePreparers(
-		prepareForCcTest,
-		PrepareForTestOnFuchsia,
-	).RunTestWithBp(t, bp)
-
-	rt := false
-	fb := false
-
-	ld := result.ModuleForTests("libTest", "fuchsia_arm64_shared").Rule("ld")
-	implicits := ld.Implicits
-	for _, lib := range implicits {
-		if strings.Contains(lib.Rel(), "libcompiler_rt") {
-			rt = true
-		}
-
-		if strings.Contains(lib.Rel(), "libbioniccompat") {
-			fb = true
-		}
-	}
-
-	if !rt || !fb {
-		t.Errorf("fuchsia libs must link libcompiler_rt and libbioniccompat")
-	}
-}
-
-func TestFuchsiaTargetDecl(t *testing.T) {
-	t.Helper()
-
-	bp := `
-		cc_library {
-			name: "libTest",
-			srcs: ["foo.c"],
-			target: {
-				fuchsia: {
-					srcs: ["bar.c"],
-				},
-			},
-		}`
-
-	result := android.GroupFixturePreparers(
-		prepareForCcTest,
-		PrepareForTestOnFuchsia,
-	).RunTestWithBp(t, bp)
-	ld := result.ModuleForTests("libTest", "fuchsia_arm64_shared").Rule("ld")
-	var objs []string
-	for _, o := range ld.Inputs {
-		objs = append(objs, o.Base())
-	}
-	android.AssertArrayString(t, "libTest inputs", []string{"foo.o", "bar.o"}, objs)
-}
-
 func TestVendorSrc(t *testing.T) {
 	ctx := testCc(t, `
 		cc_library {
@@ -4020,10 +3955,13 @@
 		`, lib, lib)
 	}
 
-	ctx := PrepareForIntegrationTestWithCc.RunTestWithBp(t, bp)
+	ctx := android.GroupFixturePreparers(
+		PrepareForIntegrationTestWithCc,
+		android.FixtureAddTextFile("external/foo/Android.bp", bp),
+	).RunTest(t)
 	// Use the arm variant instead of the arm64 variant so that it gets headers from
 	// ndk_libandroid_support to test LateStaticLibs.
-	cflags := ctx.ModuleForTests("libfoo", "android_arm_armv7-a-neon_sdk_static").Output("obj/foo.o").Args["cFlags"]
+	cflags := ctx.ModuleForTests("libfoo", "android_arm_armv7-a-neon_sdk_static").Output("obj/external/foo/foo.o").Args["cFlags"]
 
 	var includes []string
 	flags := strings.Split(cflags, " ")
@@ -4046,32 +3984,32 @@
 		"${config.ArmToolchainCflags}",
 		"${config.ArmArmv7ANeonCflags}",
 		"${config.ArmGenericCflags}",
-		"android_arm_export_include_dirs",
-		"lib32_export_include_dirs",
-		"arm_export_include_dirs",
-		"android_export_include_dirs",
-		"linux_export_include_dirs",
-		"export_include_dirs",
-		"android_arm_local_include_dirs",
-		"lib32_local_include_dirs",
-		"arm_local_include_dirs",
-		"android_local_include_dirs",
-		"linux_local_include_dirs",
-		"local_include_dirs",
-		".",
-		"libheader1",
-		"libheader2",
-		"libwhole1",
-		"libwhole2",
-		"libstatic1",
-		"libstatic2",
-		"libshared1",
-		"libshared2",
-		"liblinux",
-		"libandroid",
-		"libarm",
-		"lib32",
-		"libandroid_arm",
+		"external/foo/android_arm_export_include_dirs",
+		"external/foo/lib32_export_include_dirs",
+		"external/foo/arm_export_include_dirs",
+		"external/foo/android_export_include_dirs",
+		"external/foo/linux_export_include_dirs",
+		"external/foo/export_include_dirs",
+		"external/foo/android_arm_local_include_dirs",
+		"external/foo/lib32_local_include_dirs",
+		"external/foo/arm_local_include_dirs",
+		"external/foo/android_local_include_dirs",
+		"external/foo/linux_local_include_dirs",
+		"external/foo/local_include_dirs",
+		"external/foo",
+		"external/foo/libheader1",
+		"external/foo/libheader2",
+		"external/foo/libwhole1",
+		"external/foo/libwhole2",
+		"external/foo/libstatic1",
+		"external/foo/libstatic2",
+		"external/foo/libshared1",
+		"external/foo/libshared2",
+		"external/foo/liblinux",
+		"external/foo/libandroid",
+		"external/foo/libarm",
+		"external/foo/lib32",
+		"external/foo/libandroid_arm",
 		"defaults/cc/common/ndk_libc++_shared",
 		"defaults/cc/common/ndk_libandroid_support",
 		"out/soong/ndk/sysroot/usr/include",
diff --git a/cc/compiler.go b/cc/compiler.go
index b01ba43..03214c8 100644
--- a/cc/compiler.go
+++ b/cc/compiler.go
@@ -189,6 +189,11 @@
 			// variant of the C/C++ module.
 			Cflags []string
 		}
+		Platform struct {
+			// List of additional cflags that should be used to build the platform
+			// variant of the C/C++ module.
+			Cflags []string
+		}
 	}
 
 	Proto struct {
@@ -310,6 +315,7 @@
 	CheckBadCompilerFlags(ctx, "product.cflags", compiler.Properties.Target.Product.Cflags)
 	CheckBadCompilerFlags(ctx, "recovery.cflags", compiler.Properties.Target.Recovery.Cflags)
 	CheckBadCompilerFlags(ctx, "vendor_ramdisk.cflags", compiler.Properties.Target.Vendor_ramdisk.Cflags)
+	CheckBadCompilerFlags(ctx, "platform.cflags", compiler.Properties.Target.Platform.Cflags)
 
 	esc := proptools.NinjaAndShellEscapeList
 
@@ -444,7 +450,7 @@
 		"${config.CommonGlobalCflags}",
 		fmt.Sprintf("${config.%sGlobalCflags}", hod))
 
-	if isThirdParty(modulePath) {
+	if android.IsThirdPartyPath(modulePath) {
 		flags.Global.CommonFlags = append(flags.Global.CommonFlags, "${config.ExternalCflags}")
 	}
 
@@ -502,6 +508,9 @@
 	if ctx.inVendorRamdisk() {
 		flags.Local.CFlags = append(flags.Local.CFlags, esc(compiler.Properties.Target.Vendor_ramdisk.Cflags)...)
 	}
+	if !ctx.useSdk() {
+		flags.Local.CFlags = append(flags.Local.CFlags, esc(compiler.Properties.Target.Platform.Cflags)...)
+	}
 
 	// We can enforce some rules more strictly in the code we own. strict
 	// indicates if this is code that we can be stricter with. If we have
@@ -666,27 +675,6 @@
 	return transformSourceToObj(ctx, subdir, srcFiles, flags, pathDeps, cFlagsDeps)
 }
 
-var thirdPartyDirPrefixExceptions = []*regexp.Regexp{
-	regexp.MustCompile("^vendor/[^/]*google[^/]*/"),
-	regexp.MustCompile("^hardware/google/"),
-	regexp.MustCompile("^hardware/interfaces/"),
-	regexp.MustCompile("^hardware/libhardware[^/]*/"),
-	regexp.MustCompile("^hardware/ril/"),
-}
-
-func isThirdParty(path string) bool {
-	thirdPartyDirPrefixes := []string{"external/", "vendor/", "hardware/"}
-
-	if android.HasAnyPrefix(path, thirdPartyDirPrefixes) {
-		for _, prefix := range thirdPartyDirPrefixExceptions {
-			if prefix.MatchString(path) {
-				return false
-			}
-		}
-	}
-	return true
-}
-
 // Properties for rust_bindgen related to generating rust bindings.
 // This exists here so these properties can be included in a cc_default
 // which can be used in both cc and rust modules.
diff --git a/cc/compiler_test.go b/cc/compiler_test.go
index c301388..9ae4d18 100644
--- a/cc/compiler_test.go
+++ b/cc/compiler_test.go
@@ -16,27 +16,30 @@
 
 import (
 	"testing"
+
+	"android/soong/android"
 )
 
 func TestIsThirdParty(t *testing.T) {
-	shouldFail := []string{
+	thirdPartyPaths := []string{
 		"external/foo/",
 		"vendor/bar/",
 		"hardware/underwater_jaguar/",
 	}
-	shouldPass := []string{
+	nonThirdPartyPaths := []string{
 		"vendor/google/cts/",
 		"hardware/google/pixel",
 		"hardware/interfaces/camera",
 		"hardware/ril/supa_ril",
+		"bionic/libc",
 	}
-	for _, path := range shouldFail {
-		if !isThirdParty(path) {
+	for _, path := range thirdPartyPaths {
+		if !android.IsThirdPartyPath(path) {
 			t.Errorf("Expected %s to be considered third party", path)
 		}
 	}
-	for _, path := range shouldPass {
-		if isThirdParty(path) {
+	for _, path := range nonThirdPartyPaths {
+		if android.IsThirdPartyPath(path) {
 			t.Errorf("Expected %s to *not* be considered third party", path)
 		}
 	}
diff --git a/cc/config/Android.bp b/cc/config/Android.bp
index c1d4f17..3e8ee48 100644
--- a/cc/config/Android.bp
+++ b/cc/config/Android.bp
@@ -21,10 +21,8 @@
 
         "arm_device.go",
         "arm64_device.go",
-        "arm64_fuchsia_device.go",
         "x86_device.go",
         "x86_64_device.go",
-        "x86_64_fuchsia_device.go",
 
         "x86_darwin_host.go",
         "x86_linux_host.go",
diff --git a/cc/config/arm64_fuchsia_device.go b/cc/config/arm64_fuchsia_device.go
deleted file mode 100644
index 5ab27a0..0000000
--- a/cc/config/arm64_fuchsia_device.go
+++ /dev/null
@@ -1,81 +0,0 @@
-// Copyright 2018 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 config
-
-import (
-	"android/soong/android"
-)
-
-var fuchsiaArm64SysRoot string = "prebuilts/fuchsia_sdk/arch/arm64/sysroot"
-var fuchsiaArm64PrebuiltLibsRoot string = "fuchsia/prebuilt_libs/"
-
-type toolchainFuchsiaArm64 struct {
-	toolchain64Bit
-	toolchainFuchsia
-}
-
-func (t *toolchainFuchsiaArm64) Name() string {
-	return "arm64"
-}
-
-func (t *toolchainFuchsiaArm64) GccRoot() string {
-	return "${config.Arm64GccRoot}"
-}
-
-func (t *toolchainFuchsiaArm64) GccTriple() string {
-	return "aarch64-linux-android"
-}
-
-func (t *toolchainFuchsiaArm64) GccVersion() string {
-	return arm64GccVersion
-}
-
-func (t *toolchainFuchsiaArm64) IncludeFlags() string {
-	return ""
-}
-
-func (t *toolchainFuchsiaArm64) ClangTriple() string {
-	return "arm64-fuchsia-android"
-}
-
-func (t *toolchainFuchsiaArm64) Cppflags() string {
-	return "-Wno-error=deprecated-declarations"
-}
-
-func (t *toolchainFuchsiaArm64) Ldflags() string {
-	return "--target=arm64-fuchsia --sysroot=" + fuchsiaArm64SysRoot + " -L" + fuchsiaArm64PrebuiltLibsRoot + "/aarch64-fuchsia/lib " + "-Lprebuilts/fuchsia_sdk/arch/arm64/dist/"
-}
-
-func (t *toolchainFuchsiaArm64) Lldflags() string {
-	return "--target=arm64-fuchsia --sysroot=" + fuchsiaArm64SysRoot + " -L" + fuchsiaArm64PrebuiltLibsRoot + "/aarch64-fuchsia/lib " + "-Lprebuilts/fuchsia_sdk/arch/arm64/dist/"
-}
-
-func (t *toolchainFuchsiaArm64) Cflags() string {
-	return "--target=arm64-fuchsia --sysroot=" + fuchsiaArm64SysRoot + " -I" + fuchsiaArm64SysRoot + "/include"
-}
-
-func (t *toolchainFuchsiaArm64) ToolchainCflags() string {
-	return "-march=armv8-a"
-}
-
-var toolchainArm64FuchsiaSingleton Toolchain = &toolchainFuchsiaArm64{}
-
-func arm64FuchsiaToolchainFactory(arch android.Arch) Toolchain {
-	return toolchainArm64FuchsiaSingleton
-}
-
-func init() {
-	registerToolchainFactory(android.Fuchsia, android.Arm64, arm64FuchsiaToolchainFactory)
-}
diff --git a/cc/config/clang.go b/cc/config/clang.go
index 9cfe28f..53a7306 100644
--- a/cc/config/clang.go
+++ b/cc/config/clang.go
@@ -92,64 +92,6 @@
 	"readability-function-cognitive-complexity", // http://b/175055536
 }
 
-func init() {
-	exportStringListStaticVariable("ClangExtraCflags", []string{
-		"-D__compiler_offsetof=__builtin_offsetof",
-
-		// Emit address-significance table which allows linker to perform safe ICF. Clang does
-		// not emit the table by default on Android since NDK still uses GNU binutils.
-		"-faddrsig",
-
-		// Turn on -fcommon explicitly, since Clang now defaults to -fno-common. The cleanup bug
-		// tracking this is http://b/151457797.
-		"-fcommon",
-
-		// Help catch common 32/64-bit errors.
-		"-Werror=int-conversion",
-
-		// Enable the new pass manager.
-		"-fexperimental-new-pass-manager",
-
-		// Disable overly aggressive warning for macros defined with a leading underscore
-		// This happens in AndroidConfig.h, which is included nearly everywhere.
-		// TODO: can we remove this now?
-		"-Wno-reserved-id-macro",
-
-		// Workaround for ccache with clang.
-		// See http://petereisentraut.blogspot.com/2011/05/ccache-and-clang.html.
-		"-Wno-unused-command-line-argument",
-
-		// Force clang to always output color diagnostics. Ninja will strip the ANSI
-		// color codes if it is not running in a terminal.
-		"-fcolor-diagnostics",
-
-		// Warnings from clang-7.0
-		"-Wno-sign-compare",
-
-		// Warnings from clang-8.0
-		"-Wno-defaulted-function-deleted",
-
-		// Disable -Winconsistent-missing-override until we can clean up the existing
-		// codebase for it.
-		"-Wno-inconsistent-missing-override",
-
-		// Warnings from clang-10
-		// Nested and array designated initialization is nice to have.
-		"-Wno-c99-designator",
-
-		// Warnings from clang-12
-		"-Wno-gnu-folding-constant",
-
-		// Calls to the APIs that are newer than the min sdk version of the caller should be
-		// guarded with __builtin_available.
-		"-Wunguarded-availability",
-		// This macro allows the bionic versioning.h to indirectly determine whether the
-		// option -Wunguarded-availability is on or not.
-		"-D__ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__",
-	})
-
-}
-
 func ClangFilterUnknownCflags(cflags []string) []string {
 	result, _ := android.FilterList(cflags, ClangUnknownCflags)
 	return result
diff --git a/cc/config/global.go b/cc/config/global.go
index bcee06a..3daee38 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -15,6 +15,7 @@
 package config
 
 import (
+	"runtime"
 	"strings"
 
 	"android/soong/android"
@@ -45,7 +46,6 @@
 
 		"-O2",
 		"-g",
-		"-fdebug-default-version=5",
 		"-fdebug-info-for-profiling",
 
 		"-fno-strict-aliasing",
@@ -55,6 +55,59 @@
 		"-Werror=pragma-pack-suspicious-include",
 		"-Werror=string-plus-int",
 		"-Werror=unreachable-code-loop-increment",
+
+		"-D__compiler_offsetof=__builtin_offsetof",
+
+		// Emit address-significance table which allows linker to perform safe ICF. Clang does
+		// not emit the table by default on Android since NDK still uses GNU binutils.
+		"-faddrsig",
+
+		// Turn on -fcommon explicitly, since Clang now defaults to -fno-common. The cleanup bug
+		// tracking this is http://b/151457797.
+		"-fcommon",
+
+		// Help catch common 32/64-bit errors.
+		"-Werror=int-conversion",
+
+		// Enable the new pass manager.
+		"-fexperimental-new-pass-manager",
+
+		// Disable overly aggressive warning for macros defined with a leading underscore
+		// This happens in AndroidConfig.h, which is included nearly everywhere.
+		// TODO: can we remove this now?
+		"-Wno-reserved-id-macro",
+
+		// Workaround for ccache with clang.
+		// See http://petereisentraut.blogspot.com/2011/05/ccache-and-clang.html.
+		"-Wno-unused-command-line-argument",
+
+		// Force clang to always output color diagnostics. Ninja will strip the ANSI
+		// color codes if it is not running in a terminal.
+		"-fcolor-diagnostics",
+
+		// Warnings from clang-7.0
+		"-Wno-sign-compare",
+
+		// Warnings from clang-8.0
+		"-Wno-defaulted-function-deleted",
+
+		// Disable -Winconsistent-missing-override until we can clean up the existing
+		// codebase for it.
+		"-Wno-inconsistent-missing-override",
+
+		// Warnings from clang-10
+		// Nested and array designated initialization is nice to have.
+		"-Wno-c99-designator",
+
+		// Warnings from clang-12
+		"-Wno-gnu-folding-constant",
+
+		// Calls to the APIs that are newer than the min sdk version of the caller should be
+		// guarded with __builtin_available.
+		"-Wunguarded-availability",
+		// This macro allows the bionic versioning.h to indirectly determine whether the
+		// option -Wunguarded-availability is on or not.
+		"-D__ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__",
 	}
 
 	commonGlobalConlyflags = []string{}
@@ -229,7 +282,7 @@
 var pctx = android.NewPackageContext("android/soong/cc/config")
 
 func init() {
-	if android.BuildOs == android.Linux {
+	if runtime.GOOS == "linux" {
 		commonGlobalCflags = append(commonGlobalCflags, "-fdebug-prefix-map=/proc/self/cwd=")
 	}
 
@@ -246,7 +299,6 @@
 	bazelCommonGlobalCflags := append(
 		commonGlobalCflags,
 		[]string{
-			"${ClangExtraCflags}",
 			// Default to zero initialization.
 			"-ftrivial-auto-var-init=zero",
 			"-enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang",
@@ -255,7 +307,6 @@
 
 	pctx.VariableFunc("CommonGlobalCflags", func(ctx android.PackageVarContext) string {
 		flags := commonGlobalCflags
-		flags = append(flags, "${ClangExtraCflags}")
 
 		// http://b/131390872
 		// Automatically initialize any uninitialized stack variables.
diff --git a/cc/config/toolchain.go b/cc/config/toolchain.go
index ff556f1..20384a8 100644
--- a/cc/config/toolchain.go
+++ b/cc/config/toolchain.go
@@ -118,6 +118,8 @@
 	DefaultSharedLibraries() []string
 
 	Bionic() bool
+	Glibc() bool
+	Musl() bool
 }
 
 type toolchainBase struct {
@@ -194,6 +196,14 @@
 	return false
 }
 
+func (toolchainBase) Glibc() bool {
+	return false
+}
+
+func (toolchainBase) Musl() bool {
+	return false
+}
+
 func (t toolchainBase) ToolPath() string {
 	return ""
 }
diff --git a/cc/config/vndk.go b/cc/config/vndk.go
index 425e349..24e8fa4 100644
--- a/cc/config/vndk.go
+++ b/cc/config/vndk.go
@@ -19,49 +19,66 @@
 // has VndkUseCoreVariant set.
 // TODO(b/150578172): clean up unstable and non-versioned aidl module
 var VndkMustUseVendorVariantList = []string{
-	"android.hardware.authsecret-unstable-ndk_platform",
-	"android.hardware.authsecret-ndk_platform",
+	"android.hardware.authsecret-V1-ndk",
 	"android.hardware.authsecret-V1-ndk_platform",
-	"android.hardware.automotive.occupant_awareness-ndk_platform",
+	"android.hardware.authsecret-ndk_platform",
+	"android.hardware.authsecret-unstable-ndk_platform",
+	"android.hardware.automotive.occupant_awareness-V1-ndk",
 	"android.hardware.automotive.occupant_awareness-V1-ndk_platform",
+	"android.hardware.health.storage-V1-ndk",
 	"android.hardware.health.storage-V1-ndk_platform",
 	"android.hardware.health.storage-ndk_platform",
 	"android.hardware.health.storage-unstable-ndk_platform",
-	"android.hardware.light-V1-ndk_platform",
-	"android.hardware.light-ndk_platform",
+	"android.hardware.identity-V2-ndk",
 	"android.hardware.identity-V2-ndk_platform",
 	"android.hardware.identity-ndk_platform",
-	"android.hardware.nfc@1.2",
+	"android.hardware.light-V1-ndk",
+	"android.hardware.light-V1-ndk_platform",
+	"android.hardware.light-ndk_platform",
+	"android.hardware.memtrack-V1-ndk",
 	"android.hardware.memtrack-V1-ndk_platform",
 	"android.hardware.memtrack-ndk_platform",
 	"android.hardware.memtrack-unstable-ndk_platform",
+	"android.hardware.nfc@1.2",
+	"android.hardware.oemlock-V1-ndk",
 	"android.hardware.oemlock-V1-ndk_platform",
 	"android.hardware.oemlock-ndk_platform",
 	"android.hardware.oemlock-unstable-ndk_platform",
+	"android.hardware.power-V1-ndk",
 	"android.hardware.power-V1-ndk_platform",
 	"android.hardware.power-ndk_platform",
+	"android.hardware.rebootescrow-V1-ndk",
 	"android.hardware.rebootescrow-V1-ndk_platform",
+	"android.hardware.power.stats-V1-ndk",
 	"android.hardware.power.stats-V1-ndk_platform",
 	"android.hardware.power.stats-ndk_platform",
 	"android.hardware.power.stats-unstable-ndk_platform",
 	"android.hardware.rebootescrow-ndk_platform",
+	"android.hardware.security.keymint-V1-ndk",
 	"android.hardware.security.keymint-V1-ndk_platform",
 	"android.hardware.security.keymint-ndk_platform",
 	"android.hardware.security.keymint-unstable-ndk_platform",
+	"android.hardware.security.secureclock-V1-ndk",
 	"android.hardware.security.secureclock-V1-ndk_platform",
-	"android.hardware.security.secureclock-unstable-ndk_platform",
 	"android.hardware.security.secureclock-ndk_platform",
+	"android.hardware.security.secureclock-unstable-ndk_platform",
+	"android.hardware.security.sharedsecret-V1-ndk",
 	"android.hardware.security.sharedsecret-V1-ndk_platform",
 	"android.hardware.security.sharedsecret-ndk_platform",
 	"android.hardware.security.sharedsecret-unstable-ndk_platform",
+	"android.hardware.vibrator-V1-ndk",
 	"android.hardware.vibrator-V1-ndk_platform",
 	"android.hardware.vibrator-ndk_platform",
+	"android.hardware.weaver-V1-ndk",
 	"android.hardware.weaver-V1-ndk_platform",
 	"android.hardware.weaver-ndk_platform",
 	"android.hardware.weaver-unstable-ndk_platform",
+	"android.system.keystore2-V1-ndk",
 	"android.system.keystore2-V1-ndk_platform",
 	"android.system.keystore2-ndk_platform",
 	"android.system.keystore2-unstable-ndk_platform",
+	"android.system.suspend-V1-ndk",
+	"android.system.suspend-V1-ndk_platform",
 	"libbinder",
 	"libcrypto",
 	"libexpat",
diff --git a/cc/config/x86_64_fuchsia_device.go b/cc/config/x86_64_fuchsia_device.go
deleted file mode 100644
index 86558a6..0000000
--- a/cc/config/x86_64_fuchsia_device.go
+++ /dev/null
@@ -1,90 +0,0 @@
-// Copyright 2018 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 config
-
-import (
-	"android/soong/android"
-)
-
-var fuchsiaSysRoot string = "prebuilts/fuchsia_sdk/arch/x64/sysroot"
-var fuchsiaPrebuiltLibsRoot string = "fuchsia/prebuilt_libs"
-
-type toolchainFuchsia struct {
-	cFlags, ldFlags string
-}
-
-type toolchainFuchsiaX8664 struct {
-	toolchain64Bit
-	toolchainFuchsia
-}
-
-func (t *toolchainFuchsiaX8664) Name() string {
-	return "x86_64"
-}
-
-func (t *toolchainFuchsiaX8664) GccRoot() string {
-	return "${config.X86_64GccRoot}"
-}
-
-func (t *toolchainFuchsiaX8664) GccTriple() string {
-	return "x86_64-linux-android"
-}
-
-func (t *toolchainFuchsiaX8664) GccVersion() string {
-	return x86_64GccVersion
-}
-
-func (t *toolchainFuchsiaX8664) IncludeFlags() string {
-	return ""
-}
-
-func (t *toolchainFuchsiaX8664) ClangTriple() string {
-	return "x86_64-fuchsia-android"
-}
-
-func (t *toolchainFuchsiaX8664) Cppflags() string {
-	return "-Wno-error=deprecated-declarations"
-}
-
-func (t *toolchainFuchsiaX8664) Ldflags() string {
-	return "--target=x86_64-fuchsia --sysroot=" + fuchsiaSysRoot + " -L" + fuchsiaPrebuiltLibsRoot + "/x86_64-fuchsia/lib " + "-Lprebuilts/fuchsia_sdk/arch/x64/dist/"
-
-}
-
-func (t *toolchainFuchsiaX8664) Lldflags() string {
-	return "--target=x86_64-fuchsia --sysroot=" + fuchsiaSysRoot + " -L" + fuchsiaPrebuiltLibsRoot + "/x86_64-fuchsia/lib " + "-Lprebuilts/fuchsia_sdk/arch/x64/dist/"
-}
-
-func (t *toolchainFuchsiaX8664) Cflags() string {
-	return "--target=x86_64-fuchsia --sysroot=" + fuchsiaSysRoot + " -I" + fuchsiaSysRoot + "/include"
-}
-
-func (t *toolchainFuchsiaX8664) YasmFlags() string {
-	return "-f elf64 -m amd64"
-}
-
-func (t *toolchainFuchsiaX8664) ToolchainCflags() string {
-	return "-mssse3"
-}
-
-var toolchainFuchsiaSingleton Toolchain = &toolchainFuchsiaX8664{}
-
-func fuchsiaToolchainFactory(arch android.Arch) Toolchain {
-	return toolchainFuchsiaSingleton
-}
-
-func init() {
-	registerToolchainFactory(android.Fuchsia, android.X86_64, fuchsiaToolchainFactory)
-}
diff --git a/cc/config/x86_darwin_host.go b/cc/config/x86_darwin_host.go
index d8e70e1..0bb1a81 100644
--- a/cc/config/x86_darwin_host.go
+++ b/cc/config/x86_darwin_host.go
@@ -49,17 +49,16 @@
 		"-Wl,-syslibroot,${macSdkRoot}",
 		"-mmacosx-version-min=${macMinVersion}",
 		"-m64",
+		"-mlinker-version=305",
 	}
 
 	darwinSupportedSdkVersions = []string{
-		"10.10",
-		"10.11",
-		"10.12",
 		"10.13",
 		"10.14",
 		"10.15",
 		"11.0",
 		"11.1",
+		"11.3",
 	}
 
 	darwinAvailableLibraries = append(
@@ -88,7 +87,7 @@
 	pctx.VariableFunc("macSdkRoot", func(ctx android.PackageVarContext) string {
 		return getMacTools(ctx).sdkRoot
 	})
-	pctx.StaticVariable("macMinVersion", "10.10")
+	pctx.StaticVariable("macMinVersion", "10.13")
 	pctx.VariableFunc("MacArPath", func(ctx android.PackageVarContext) string {
 		return getMacTools(ctx).arPath
 	})
diff --git a/cc/config/x86_linux_host.go b/cc/config/x86_linux_host.go
index 85d95d8..1d66cb7 100644
--- a/cc/config/x86_linux_host.go
+++ b/cc/config/x86_linux_host.go
@@ -36,10 +36,18 @@
 		"-D__STDC_CONSTANT_MACROS",
 
 		"--gcc-toolchain=${LinuxGccRoot}",
-		"--sysroot ${LinuxGccRoot}/sysroot",
 		"-fstack-protector-strong",
 	}
 
+	linuxGlibcCflags = []string{
+		"--sysroot ${LinuxGccRoot}/sysroot",
+	}
+
+	linuxMuslCflags = []string{
+		"-D_LIBCPP_HAS_MUSL_LIBC",
+		"-nostdlibinc",
+	}
+
 	linuxLdflags = []string{
 		"-Wl,-z,noexecstack",
 		"-Wl,-z,relro",
@@ -47,9 +55,17 @@
 		"-Wl,--no-undefined-version",
 
 		"--gcc-toolchain=${LinuxGccRoot}",
+	}
+
+	linuxGlibcLdflags = []string{
 		"--sysroot ${LinuxGccRoot}/sysroot",
 	}
 
+	linuxMuslLdflags = []string{
+		"-nostdlib",
+		"-lgcc", "-lgcc_eh",
+	}
+
 	// Extended cflags
 	linuxX86Cflags = []string{
 		"-msse3",
@@ -89,6 +105,12 @@
 		"rt",
 		"util",
 	}, "-l")
+
+	muslCrtBeginStaticBinary, muslCrtEndStaticBinary   = []string{"libc_musl_crtbegin_static"}, []string{"crtend_android"}
+	muslCrtBeginSharedBinary, muslCrtEndSharedBinary   = []string{"libc_musl_crtbegin_dynamic", "musl_linker_script"}, []string{"libc_musl_crtend"}
+	muslCrtBeginSharedLibrary, muslCrtEndSharedLibrary = []string{"libc_musl_crtbegin_so"}, []string{"libc_musl_crtend_so"}
+
+	muslDefaultSharedLibraries = []string{"libjemalloc5", "libc_musl"}
 )
 
 const (
@@ -124,6 +146,13 @@
 	// Yasm flags
 	pctx.StaticVariable("LinuxX86YasmFlags", "-f elf32 -m x86")
 	pctx.StaticVariable("LinuxX8664YasmFlags", "-f elf64 -m amd64")
+
+	pctx.StaticVariable("LinuxGlibcCflags", strings.Join(linuxGlibcCflags, " "))
+	pctx.StaticVariable("LinuxGlibcLdflags", strings.Join(linuxGlibcLdflags, " "))
+	pctx.StaticVariable("LinuxGlibcLldflags", strings.Join(linuxGlibcLdflags, " "))
+	pctx.StaticVariable("LinuxMuslCflags", strings.Join(linuxMuslCflags, " "))
+	pctx.StaticVariable("LinuxMuslLdflags", strings.Join(linuxMuslLdflags, " "))
+	pctx.StaticVariable("LinuxMuslLldflags", strings.Join(linuxMuslLdflags, " "))
 }
 
 type toolchainLinux struct {
@@ -224,18 +253,146 @@
 	return linuxAvailableLibraries
 }
 
-var toolchainLinuxX86Singleton Toolchain = &toolchainLinuxX86{}
-var toolchainLinuxX8664Singleton Toolchain = &toolchainLinuxX8664{}
+// glibc specialization of the linux toolchain
 
-func linuxX86ToolchainFactory(arch android.Arch) Toolchain {
-	return toolchainLinuxX86Singleton
+type toolchainGlibc struct {
 }
 
-func linuxX8664ToolchainFactory(arch android.Arch) Toolchain {
-	return toolchainLinuxX8664Singleton
+func (toolchainGlibc) Glibc() bool { return true }
+
+func (toolchainGlibc) Cflags() string {
+	return "${config.LinuxGlibcCflags}"
+}
+
+func (toolchainGlibc) Ldflags() string {
+	return "${config.LinuxGlibcLdflags}"
+}
+
+func (toolchainGlibc) Lldflags() string {
+	return "${config.LinuxGlibcLldflags}"
+}
+
+type toolchainLinuxGlibcX86 struct {
+	toolchainLinuxX86
+	toolchainGlibc
+}
+
+type toolchainLinuxGlibcX8664 struct {
+	toolchainLinuxX8664
+	toolchainGlibc
+}
+
+func (t *toolchainLinuxGlibcX86) Cflags() string {
+	return t.toolchainLinuxX86.Cflags() + " " + t.toolchainGlibc.Cflags()
+}
+
+func (t *toolchainLinuxGlibcX86) Ldflags() string {
+	return t.toolchainLinuxX86.Ldflags() + " " + t.toolchainGlibc.Ldflags()
+}
+
+func (t *toolchainLinuxGlibcX86) Lldflags() string {
+	return t.toolchainLinuxX86.Lldflags() + " " + t.toolchainGlibc.Lldflags()
+}
+
+func (t *toolchainLinuxGlibcX8664) Cflags() string {
+	return t.toolchainLinuxX8664.Cflags() + " " + t.toolchainGlibc.Cflags()
+}
+
+func (t *toolchainLinuxGlibcX8664) Ldflags() string {
+	return t.toolchainLinuxX8664.Ldflags() + " " + t.toolchainGlibc.Ldflags()
+}
+
+func (t *toolchainLinuxGlibcX8664) Lldflags() string {
+	return t.toolchainLinuxX8664.Lldflags() + " " + t.toolchainGlibc.Lldflags()
+}
+
+var toolchainLinuxGlibcX86Singleton Toolchain = &toolchainLinuxGlibcX86{}
+var toolchainLinuxGlibcX8664Singleton Toolchain = &toolchainLinuxGlibcX8664{}
+
+func linuxGlibcX86ToolchainFactory(arch android.Arch) Toolchain {
+	return toolchainLinuxGlibcX86Singleton
+}
+
+func linuxGlibcX8664ToolchainFactory(arch android.Arch) Toolchain {
+	return toolchainLinuxGlibcX8664Singleton
+}
+
+// musl specialization of the linux toolchain
+
+type toolchainMusl struct {
+}
+
+func (toolchainMusl) Musl() bool { return true }
+
+func (toolchainMusl) CrtBeginStaticBinary() []string  { return muslCrtBeginStaticBinary }
+func (toolchainMusl) CrtBeginSharedBinary() []string  { return muslCrtBeginSharedBinary }
+func (toolchainMusl) CrtBeginSharedLibrary() []string { return muslCrtBeginSharedLibrary }
+func (toolchainMusl) CrtEndStaticBinary() []string    { return muslCrtEndStaticBinary }
+func (toolchainMusl) CrtEndSharedBinary() []string    { return muslCrtEndSharedBinary }
+func (toolchainMusl) CrtEndSharedLibrary() []string   { return muslCrtEndSharedLibrary }
+
+func (toolchainMusl) DefaultSharedLibraries() []string { return muslDefaultSharedLibraries }
+
+func (toolchainMusl) Cflags() string {
+	return "${config.LinuxMuslCflags}"
+}
+
+func (toolchainMusl) Ldflags() string {
+	return "${config.LinuxMuslLdflags}"
+}
+
+func (toolchainMusl) Lldflags() string {
+	return "${config.LinuxMuslLldflags}"
+}
+
+type toolchainLinuxMuslX86 struct {
+	toolchainLinuxX86
+	toolchainMusl
+}
+
+type toolchainLinuxMuslX8664 struct {
+	toolchainLinuxX8664
+	toolchainMusl
+}
+
+func (t *toolchainLinuxMuslX86) Cflags() string {
+	return t.toolchainLinuxX86.Cflags() + " " + t.toolchainMusl.Cflags()
+}
+
+func (t *toolchainLinuxMuslX86) Ldflags() string {
+	return t.toolchainLinuxX86.Ldflags() + " " + t.toolchainMusl.Ldflags()
+}
+
+func (t *toolchainLinuxMuslX86) Lldflags() string {
+	return t.toolchainLinuxX86.Lldflags() + " " + t.toolchainMusl.Lldflags()
+}
+
+func (t *toolchainLinuxMuslX8664) Cflags() string {
+	return t.toolchainLinuxX8664.Cflags() + " " + t.toolchainMusl.Cflags()
+}
+
+func (t *toolchainLinuxMuslX8664) Ldflags() string {
+	return t.toolchainLinuxX8664.Ldflags() + " " + t.toolchainMusl.Ldflags()
+}
+
+func (t *toolchainLinuxMuslX8664) Lldflags() string {
+	return t.toolchainLinuxX8664.Lldflags() + " " + t.toolchainMusl.Lldflags()
+}
+
+var toolchainLinuxMuslX86Singleton Toolchain = &toolchainLinuxMuslX86{}
+var toolchainLinuxMuslX8664Singleton Toolchain = &toolchainLinuxMuslX8664{}
+
+func linuxMuslX86ToolchainFactory(arch android.Arch) Toolchain {
+	return toolchainLinuxMuslX86Singleton
+}
+
+func linuxMuslX8664ToolchainFactory(arch android.Arch) Toolchain {
+	return toolchainLinuxMuslX8664Singleton
 }
 
 func init() {
-	registerToolchainFactory(android.Linux, android.X86, linuxX86ToolchainFactory)
-	registerToolchainFactory(android.Linux, android.X86_64, linuxX8664ToolchainFactory)
+	registerToolchainFactory(android.Linux, android.X86, linuxGlibcX86ToolchainFactory)
+	registerToolchainFactory(android.Linux, android.X86_64, linuxGlibcX8664ToolchainFactory)
+	registerToolchainFactory(android.LinuxMusl, android.X86, linuxMuslX86ToolchainFactory)
+	registerToolchainFactory(android.LinuxMusl, android.X86_64, linuxMuslX8664ToolchainFactory)
 }
diff --git a/cc/fuzz.go b/cc/fuzz.go
index c780b6f..8b0f93e 100644
--- a/cc/fuzz.go
+++ b/cc/fuzz.go
@@ -94,19 +94,14 @@
 	*binaryDecorator
 	*baseCompiler
 
-	Properties            FuzzProperties
-	dictionary            android.Path
-	corpus                android.Paths
-	corpusIntermediateDir android.Path
-	config                android.Path
-	data                  android.Paths
-	dataIntermediateDir   android.Path
-	installedSharedDeps   []string
+	fuzzPackagedModule FuzzPackagedModule
+
+	installedSharedDeps []string
 }
 
 func (fuzz *fuzzBinary) linkerProps() []interface{} {
 	props := fuzz.binaryDecorator.linkerProps()
-	props = append(props, &fuzz.Properties)
+	props = append(props, &fuzz.fuzzPackagedModule.FuzzProperties)
 	return props
 }
 
@@ -257,41 +252,41 @@
 		"fuzz", ctx.Target().Arch.ArchType.String(), ctx.ModuleName())
 	fuzz.binaryDecorator.baseInstaller.install(ctx, file)
 
-	fuzz.corpus = android.PathsForModuleSrc(ctx, fuzz.Properties.Corpus)
+	fuzz.fuzzPackagedModule.Corpus = android.PathsForModuleSrc(ctx, fuzz.fuzzPackagedModule.FuzzProperties.Corpus)
 	builder := android.NewRuleBuilder(pctx, ctx)
 	intermediateDir := android.PathForModuleOut(ctx, "corpus")
-	for _, entry := range fuzz.corpus {
+	for _, entry := range fuzz.fuzzPackagedModule.Corpus {
 		builder.Command().Text("cp").
 			Input(entry).
 			Output(intermediateDir.Join(ctx, entry.Base()))
 	}
 	builder.Build("copy_corpus", "copy corpus")
-	fuzz.corpusIntermediateDir = intermediateDir
+	fuzz.fuzzPackagedModule.CorpusIntermediateDir = intermediateDir
 
-	fuzz.data = android.PathsForModuleSrc(ctx, fuzz.Properties.Data)
+	fuzz.fuzzPackagedModule.Data = android.PathsForModuleSrc(ctx, fuzz.fuzzPackagedModule.FuzzProperties.Data)
 	builder = android.NewRuleBuilder(pctx, ctx)
 	intermediateDir = android.PathForModuleOut(ctx, "data")
-	for _, entry := range fuzz.data {
+	for _, entry := range fuzz.fuzzPackagedModule.Data {
 		builder.Command().Text("cp").
 			Input(entry).
 			Output(intermediateDir.Join(ctx, entry.Rel()))
 	}
 	builder.Build("copy_data", "copy data")
-	fuzz.dataIntermediateDir = intermediateDir
+	fuzz.fuzzPackagedModule.DataIntermediateDir = intermediateDir
 
-	if fuzz.Properties.Dictionary != nil {
-		fuzz.dictionary = android.PathForModuleSrc(ctx, *fuzz.Properties.Dictionary)
-		if fuzz.dictionary.Ext() != ".dict" {
+	if fuzz.fuzzPackagedModule.FuzzProperties.Dictionary != nil {
+		fuzz.fuzzPackagedModule.Dictionary = android.PathForModuleSrc(ctx, *fuzz.fuzzPackagedModule.FuzzProperties.Dictionary)
+		if fuzz.fuzzPackagedModule.Dictionary.Ext() != ".dict" {
 			ctx.PropertyErrorf("dictionary",
 				"Fuzzer dictionary %q does not have '.dict' extension",
-				fuzz.dictionary.String())
+				fuzz.fuzzPackagedModule.Dictionary.String())
 		}
 	}
 
-	if fuzz.Properties.Fuzz_config != nil {
+	if fuzz.fuzzPackagedModule.FuzzProperties.Fuzz_config != nil {
 		configPath := android.PathForModuleOut(ctx, "config").Join(ctx, "config.json")
-		android.WriteFileRule(ctx, configPath, fuzz.Properties.Fuzz_config.String())
-		fuzz.config = configPath
+		android.WriteFileRule(ctx, configPath, fuzz.fuzzPackagedModule.FuzzProperties.Fuzz_config.String())
+		fuzz.fuzzPackagedModule.Config = configPath
 	}
 
 	// Grab the list of required shared libraries.
@@ -359,32 +354,20 @@
 
 // Responsible for generating GNU Make rules that package fuzz targets into
 // their architecture & target/host specific zip file.
-type fuzzPackager struct {
-	packages                android.Paths
+type ccFuzzPackager struct {
+	FuzzPackager
 	sharedLibInstallStrings []string
-	fuzzTargets             map[string]bool
 }
 
 func fuzzPackagingFactory() android.Singleton {
-	return &fuzzPackager{}
+	return &ccFuzzPackager{}
 }
 
-type fileToZip struct {
-	SourceFilePath        android.Path
-	DestinationPathPrefix string
-}
-
-type archOs struct {
-	hostOrTarget string
-	arch         string
-	dir          string
-}
-
-func (s *fuzzPackager) GenerateBuildActions(ctx android.SingletonContext) {
+func (s *ccFuzzPackager) GenerateBuildActions(ctx android.SingletonContext) {
 	// Map between each architecture + host/device combination, and the files that
 	// need to be packaged (in the tuple of {source file, destination folder in
 	// archive}).
-	archDirs := make(map[archOs][]fileToZip)
+	archDirs := make(map[ArchOs][]FileToZip)
 
 	// Map tracking whether each shared library has an install rule to avoid duplicate install rules from
 	// multiple fuzzers that depend on the same shared library.
@@ -392,12 +375,16 @@
 
 	// List of individual fuzz targets, so that 'make fuzz' also installs the targets
 	// to the correct output directories as well.
-	s.fuzzTargets = make(map[string]bool)
+	s.FuzzTargets = make(map[string]bool)
 
 	ctx.VisitAllModules(func(module android.Module) {
-		// Discard non-fuzz targets.
 		ccModule, ok := module.(*Module)
-		if !ok {
+		if !ok || ccModule.Properties.PreventInstall {
+			return
+		}
+
+		// Discard non-fuzz targets.
+		if ok := IsValid(ccModule.FuzzModule); !ok {
 			return
 		}
 
@@ -406,18 +393,6 @@
 			return
 		}
 
-		// Discard ramdisk + vendor_ramdisk + recovery modules, they're duplicates of
-		// fuzz targets we're going to package anyway.
-		if !ccModule.Enabled() || ccModule.Properties.PreventInstall ||
-			ccModule.InRamdisk() || ccModule.InVendorRamdisk() || ccModule.InRecovery() {
-			return
-		}
-
-		// Discard modules that are in an unavailable namespace.
-		if !ccModule.ExportedToMake() {
-			return
-		}
-
 		hostOrTargetString := "target"
 		if ccModule.Host() {
 			hostOrTargetString = "host"
@@ -425,42 +400,21 @@
 
 		archString := ccModule.Arch().ArchType.String()
 		archDir := android.PathForIntermediates(ctx, "fuzz", hostOrTargetString, archString)
-		archOs := archOs{hostOrTarget: hostOrTargetString, arch: archString, dir: archDir.String()}
+		archOs := ArchOs{HostOrTarget: hostOrTargetString, Arch: archString, Dir: archDir.String()}
 
 		// Grab the list of required shared libraries.
 		sharedLibraries := collectAllSharedDependencies(ctx, module)
 
-		var files []fileToZip
+		var files []FileToZip
 		builder := android.NewRuleBuilder(pctx, ctx)
 
-		// Package the corpora into a zipfile.
-		if fuzzModule.corpus != nil {
-			corpusZip := archDir.Join(ctx, module.Name()+"_seed_corpus.zip")
-			command := builder.Command().BuiltTool("soong_zip").
-				Flag("-j").
-				FlagWithOutput("-o ", corpusZip)
-			rspFile := corpusZip.ReplaceExtension(ctx, "rsp")
-			command.FlagWithRspFileInputList("-r ", rspFile, fuzzModule.corpus)
-			files = append(files, fileToZip{corpusZip, ""})
-		}
-
-		// Package the data into a zipfile.
-		if fuzzModule.data != nil {
-			dataZip := archDir.Join(ctx, module.Name()+"_data.zip")
-			command := builder.Command().BuiltTool("soong_zip").
-				FlagWithOutput("-o ", dataZip)
-			for _, f := range fuzzModule.data {
-				intermediateDir := strings.TrimSuffix(f.String(), f.Rel())
-				command.FlagWithArg("-C ", intermediateDir)
-				command.FlagWithInput("-f ", f)
-			}
-			files = append(files, fileToZip{dataZip, ""})
-		}
+		// Package the corpus, data, dict and config into a zipfile.
+		files = s.PackageArtifacts(ctx, module, fuzzModule.fuzzPackagedModule, archDir, builder)
 
 		// Find and mark all the transiently-dependent shared libraries for
 		// packaging.
 		for _, library := range sharedLibraries {
-			files = append(files, fileToZip{library, "lib"})
+			files = append(files, FileToZip{library, "lib"})
 
 			// For each architecture-specific shared library dependency, we need to
 			// install it to the output directory. Setup the install destination here,
@@ -492,83 +446,20 @@
 		}
 
 		// The executable.
-		files = append(files, fileToZip{ccModule.UnstrippedOutputFile(), ""})
+		files = append(files, FileToZip{ccModule.UnstrippedOutputFile(), ""})
 
-		// The dictionary.
-		if fuzzModule.dictionary != nil {
-			files = append(files, fileToZip{fuzzModule.dictionary, ""})
+		archDirs[archOs], ok = s.BuildZipFile(ctx, module, fuzzModule.fuzzPackagedModule, files, builder, archDir, archString, hostOrTargetString, archOs, archDirs)
+		if !ok {
+			return
 		}
-
-		// Additional fuzz config.
-		if fuzzModule.config != nil {
-			files = append(files, fileToZip{fuzzModule.config, ""})
-		}
-
-		fuzzZip := archDir.Join(ctx, module.Name()+".zip")
-		command := builder.Command().BuiltTool("soong_zip").
-			Flag("-j").
-			FlagWithOutput("-o ", fuzzZip)
-		for _, file := range files {
-			if file.DestinationPathPrefix != "" {
-				command.FlagWithArg("-P ", file.DestinationPathPrefix)
-			} else {
-				command.Flag("-P ''")
-			}
-			command.FlagWithInput("-f ", file.SourceFilePath)
-		}
-
-		builder.Build("create-"+fuzzZip.String(),
-			"Package "+module.Name()+" for "+archString+"-"+hostOrTargetString)
-
-		// Don't add modules to 'make haiku' that are set to not be exported to the
-		// fuzzing infrastructure.
-		if config := fuzzModule.Properties.Fuzz_config; config != nil {
-			if ccModule.Host() && !BoolDefault(config.Fuzz_on_haiku_host, true) {
-				return
-			} else if !BoolDefault(config.Fuzz_on_haiku_device, true) {
-				return
-			}
-		}
-
-		s.fuzzTargets[module.Name()] = true
-		archDirs[archOs] = append(archDirs[archOs], fileToZip{fuzzZip, ""})
 	})
 
-	var archOsList []archOs
-	for archOs := range archDirs {
-		archOsList = append(archOsList, archOs)
-	}
-	sort.Slice(archOsList, func(i, j int) bool { return archOsList[i].dir < archOsList[j].dir })
+	s.CreateFuzzPackage(ctx, archDirs, Cc)
 
-	for _, archOs := range archOsList {
-		filesToZip := archDirs[archOs]
-		arch := archOs.arch
-		hostOrTarget := archOs.hostOrTarget
-		builder := android.NewRuleBuilder(pctx, ctx)
-		outputFile := android.PathForOutput(ctx, "fuzz-"+hostOrTarget+"-"+arch+".zip")
-		s.packages = append(s.packages, outputFile)
-
-		command := builder.Command().BuiltTool("soong_zip").
-			Flag("-j").
-			FlagWithOutput("-o ", outputFile).
-			Flag("-L 0") // No need to try and re-compress the zipfiles.
-
-		for _, fileToZip := range filesToZip {
-			if fileToZip.DestinationPathPrefix != "" {
-				command.FlagWithArg("-P ", fileToZip.DestinationPathPrefix)
-			} else {
-				command.Flag("-P ''")
-			}
-			command.FlagWithInput("-f ", fileToZip.SourceFilePath)
-		}
-
-		builder.Build("create-fuzz-package-"+arch+"-"+hostOrTarget,
-			"Create fuzz target packages for "+arch+"-"+hostOrTarget)
-	}
 }
 
-func (s *fuzzPackager) MakeVars(ctx android.MakeVarsContext) {
-	packages := s.packages.Strings()
+func (s *ccFuzzPackager) MakeVars(ctx android.MakeVarsContext) {
+	packages := s.Packages.Strings()
 	sort.Strings(packages)
 	sort.Strings(s.sharedLibInstallStrings)
 	// TODO(mitchp): Migrate this to use MakeVarsContext::DistForGoal() when it's
@@ -580,10 +471,5 @@
 		strings.Join(s.sharedLibInstallStrings, " "))
 
 	// Preallocate the slice of fuzz targets to minimise memory allocations.
-	fuzzTargets := make([]string, 0, len(s.fuzzTargets))
-	for target, _ := range s.fuzzTargets {
-		fuzzTargets = append(fuzzTargets, target)
-	}
-	sort.Strings(fuzzTargets)
-	ctx.Strict("ALL_FUZZ_TARGETS", strings.Join(fuzzTargets, " "))
+	s.PreallocateSlice(ctx, "ALL_FUZZ_TARGETS")
 }
diff --git a/cc/fuzz_common.go b/cc/fuzz_common.go
new file mode 100644
index 0000000..98ed7f4
--- /dev/null
+++ b/cc/fuzz_common.go
@@ -0,0 +1,201 @@
+// Copyright 2021 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 cc
+
+// This file contains the common code for compiling C/C++ and Rust fuzzers for Android.
+
+import (
+	"sort"
+	"strings"
+
+	"android/soong/android"
+)
+
+type Lang string
+
+const (
+	Cc   Lang = ""
+	Rust Lang = "rust"
+)
+
+type FuzzModule struct {
+	android.ModuleBase
+	android.DefaultableModuleBase
+	android.ApexModuleBase
+}
+
+type FuzzPackager struct {
+	Packages    android.Paths
+	FuzzTargets map[string]bool
+}
+
+type FileToZip struct {
+	SourceFilePath        android.Path
+	DestinationPathPrefix string
+}
+
+type ArchOs struct {
+	HostOrTarget string
+	Arch         string
+	Dir          string
+}
+
+type FuzzPackagedModule struct {
+	FuzzProperties        FuzzProperties
+	Dictionary            android.Path
+	Corpus                android.Paths
+	CorpusIntermediateDir android.Path
+	Config                android.Path
+	Data                  android.Paths
+	DataIntermediateDir   android.Path
+}
+
+func IsValid(fuzzModule FuzzModule) bool {
+	// Discard ramdisk + vendor_ramdisk + recovery modules, they're duplicates of
+	// fuzz targets we're going to package anyway.
+	if !fuzzModule.Enabled() || fuzzModule.InRamdisk() || fuzzModule.InVendorRamdisk() || fuzzModule.InRecovery() {
+		return false
+	}
+
+	// Discard modules that are in an unavailable namespace.
+	if !fuzzModule.ExportedToMake() {
+		return false
+	}
+
+	return true
+}
+
+func (s *FuzzPackager) PackageArtifacts(ctx android.SingletonContext, module android.Module, fuzzModule FuzzPackagedModule, archDir android.OutputPath, builder *android.RuleBuilder) []FileToZip {
+	// Package the corpora into a zipfile.
+	var files []FileToZip
+	if fuzzModule.Corpus != nil {
+		corpusZip := archDir.Join(ctx, module.Name()+"_seed_corpus.zip")
+		command := builder.Command().BuiltTool("soong_zip").
+			Flag("-j").
+			FlagWithOutput("-o ", corpusZip)
+		rspFile := corpusZip.ReplaceExtension(ctx, "rsp")
+		command.FlagWithRspFileInputList("-r ", rspFile, fuzzModule.Corpus)
+		files = append(files, FileToZip{corpusZip, ""})
+	}
+
+	// Package the data into a zipfile.
+	if fuzzModule.Data != nil {
+		dataZip := archDir.Join(ctx, module.Name()+"_data.zip")
+		command := builder.Command().BuiltTool("soong_zip").
+			FlagWithOutput("-o ", dataZip)
+		for _, f := range fuzzModule.Data {
+			intermediateDir := strings.TrimSuffix(f.String(), f.Rel())
+			command.FlagWithArg("-C ", intermediateDir)
+			command.FlagWithInput("-f ", f)
+		}
+		files = append(files, FileToZip{dataZip, ""})
+	}
+
+	// The dictionary.
+	if fuzzModule.Dictionary != nil {
+		files = append(files, FileToZip{fuzzModule.Dictionary, ""})
+	}
+
+	// Additional fuzz config.
+	if fuzzModule.Config != nil {
+		files = append(files, FileToZip{fuzzModule.Config, ""})
+	}
+
+	return files
+}
+
+func (s *FuzzPackager) BuildZipFile(ctx android.SingletonContext, module android.Module, fuzzModule FuzzPackagedModule, files []FileToZip, builder *android.RuleBuilder, archDir android.OutputPath, archString string, hostOrTargetString string, archOs ArchOs, archDirs map[ArchOs][]FileToZip) ([]FileToZip, bool) {
+	fuzzZip := archDir.Join(ctx, module.Name()+".zip")
+
+	command := builder.Command().BuiltTool("soong_zip").
+		Flag("-j").
+		FlagWithOutput("-o ", fuzzZip)
+
+	for _, file := range files {
+		if file.DestinationPathPrefix != "" {
+			command.FlagWithArg("-P ", file.DestinationPathPrefix)
+		} else {
+			command.Flag("-P ''")
+		}
+		command.FlagWithInput("-f ", file.SourceFilePath)
+	}
+
+	builder.Build("create-"+fuzzZip.String(),
+		"Package "+module.Name()+" for "+archString+"-"+hostOrTargetString)
+
+	// Don't add modules to 'make haiku-rust' that are set to not be
+	// exported to the fuzzing infrastructure.
+	if config := fuzzModule.FuzzProperties.Fuzz_config; config != nil {
+		if strings.Contains(hostOrTargetString, "host") && !BoolDefault(config.Fuzz_on_haiku_host, true) {
+			return archDirs[archOs], false
+		} else if !BoolDefault(config.Fuzz_on_haiku_device, true) {
+			return archDirs[archOs], false
+		}
+	}
+
+	s.FuzzTargets[module.Name()] = true
+	archDirs[archOs] = append(archDirs[archOs], FileToZip{fuzzZip, ""})
+
+	return archDirs[archOs], true
+}
+
+func (s *FuzzPackager) CreateFuzzPackage(ctx android.SingletonContext, archDirs map[ArchOs][]FileToZip, lang Lang) {
+	var archOsList []ArchOs
+	for archOs := range archDirs {
+		archOsList = append(archOsList, archOs)
+	}
+	sort.Slice(archOsList, func(i, j int) bool { return archOsList[i].Dir < archOsList[j].Dir })
+
+	for _, archOs := range archOsList {
+		filesToZip := archDirs[archOs]
+		arch := archOs.Arch
+		hostOrTarget := archOs.HostOrTarget
+		builder := android.NewRuleBuilder(pctx, ctx)
+		zipFileName := "fuzz-" + hostOrTarget + "-" + arch + ".zip"
+		if lang == Rust {
+			zipFileName = "fuzz-rust-" + hostOrTarget + "-" + arch + ".zip"
+		}
+		outputFile := android.PathForOutput(ctx, zipFileName)
+
+		s.Packages = append(s.Packages, outputFile)
+
+		command := builder.Command().BuiltTool("soong_zip").
+			Flag("-j").
+			FlagWithOutput("-o ", outputFile).
+			Flag("-L 0") // No need to try and re-compress the zipfiles.
+
+		for _, fileToZip := range filesToZip {
+
+			if fileToZip.DestinationPathPrefix != "" {
+				command.FlagWithArg("-P ", fileToZip.DestinationPathPrefix)
+			} else {
+				command.Flag("-P ''")
+			}
+			command.FlagWithInput("-f ", fileToZip.SourceFilePath)
+
+		}
+		builder.Build("create-fuzz-package-"+arch+"-"+hostOrTarget,
+			"Create fuzz target packages for "+arch+"-"+hostOrTarget)
+	}
+}
+
+func (s *FuzzPackager) PreallocateSlice(ctx android.MakeVarsContext, targets string) {
+	fuzzTargets := make([]string, 0, len(s.FuzzTargets))
+	for target, _ := range s.FuzzTargets {
+		fuzzTargets = append(fuzzTargets, target)
+	}
+	sort.Strings(fuzzTargets)
+	ctx.Strict(targets, strings.Join(fuzzTargets, " "))
+}
diff --git a/cc/genrule.go b/cc/genrule.go
index b0efc6c..0ca901e 100644
--- a/cc/genrule.go
+++ b/cc/genrule.go
@@ -17,6 +17,7 @@
 import (
 	"android/soong/android"
 	"android/soong/genrule"
+	"android/soong/snapshot"
 )
 
 func init() {
@@ -84,7 +85,7 @@
 	// is not needed.
 	recoverySnapshotVersion := ctx.DeviceConfig().RecoverySnapshotVersion()
 	if recoverySnapshotVersion != "current" && recoverySnapshotVersion != "" &&
-		!isRecoveryProprietaryModule(ctx) {
+		!snapshot.IsRecoveryProprietaryModule(ctx) {
 		return false
 	} else {
 		return Bool(g.Recovery_available)
@@ -103,7 +104,7 @@
 		// If not, we assume modules under proprietary paths are compatible for
 		// BOARD_VNDK_VERSION. The other modules are regarded as AOSP, that is
 		// PLATFORM_VNDK_VERSION.
-		if vndkVersion == "current" || !IsVendorProprietaryModule(ctx) {
+		if vndkVersion == "current" || !snapshot.IsVendorProprietaryModule(ctx) {
 			variants = append(variants, VendorVariationPrefix+ctx.DeviceConfig().PlatformVndkVersion())
 		} else {
 			variants = append(variants, VendorVariationPrefix+vndkVersion)
diff --git a/cc/image.go b/cc/image.go
index 15ec1c8..3a0857b 100644
--- a/cc/image.go
+++ b/cc/image.go
@@ -22,6 +22,7 @@
 	"strings"
 
 	"android/soong/android"
+	"android/soong/snapshot"
 )
 
 var _ android.ImageInterface = (*Module)(nil)
@@ -496,7 +497,7 @@
 		// BOARD_VNDK_VERSION. The other modules are regarded as AOSP, or
 		// PLATFORM_VNDK_VERSION.
 		if m.HasVendorVariant() {
-			if IsVendorProprietaryModule(mctx) {
+			if snapshot.IsVendorProprietaryModule(mctx) {
 				vendorVariants = append(vendorVariants, boardVndkVersion)
 			} else {
 				vendorVariants = append(vendorVariants, platformVndkVersion)
@@ -525,7 +526,7 @@
 				platformVndkVersion,
 				boardVndkVersion,
 			)
-		} else if IsVendorProprietaryModule(mctx) {
+		} else if snapshot.IsVendorProprietaryModule(mctx) {
 			vendorVariants = append(vendorVariants, boardVndkVersion)
 		} else {
 			vendorVariants = append(vendorVariants, platformVndkVersion)
@@ -582,7 +583,7 @@
 	if !m.KernelHeadersDecorator() &&
 		!m.IsSnapshotPrebuilt() &&
 		usingRecoverySnapshot &&
-		!isRecoveryProprietaryModule(mctx) {
+		!snapshot.IsRecoveryProprietaryModule(mctx) {
 		recoveryVariantNeeded = false
 	}
 
diff --git a/cc/library.go b/cc/library.go
index 56c460c..8f302fc 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -147,12 +147,11 @@
 
 	Cflags []string `android:"arch_variant"`
 
-	Enabled             *bool    `android:"arch_variant"`
-	Whole_static_libs   []string `android:"arch_variant"`
-	Static_libs         []string `android:"arch_variant"`
-	Shared_libs         []string `android:"arch_variant"`
-	System_shared_libs  []string `android:"arch_variant"`
-	Default_shared_libs []string `android:"arch_variant"`
+	Enabled            *bool    `android:"arch_variant"`
+	Whole_static_libs  []string `android:"arch_variant"`
+	Static_libs        []string `android:"arch_variant"`
+	Shared_libs        []string `android:"arch_variant"`
+	System_shared_libs []string `android:"arch_variant"`
 
 	Export_shared_lib_headers []string `android:"arch_variant"`
 	Export_static_lib_headers []string `android:"arch_variant"`
@@ -1163,17 +1162,11 @@
 		if library.StaticProperties.Static.System_shared_libs != nil {
 			library.baseLinker.Properties.System_shared_libs = library.StaticProperties.Static.System_shared_libs
 		}
-		if library.StaticProperties.Static.Default_shared_libs != nil {
-			library.baseLinker.Properties.Default_shared_libs = library.StaticProperties.Static.Default_shared_libs
-		}
 	} else if library.shared() {
 		// Compare with nil because an empty list needs to be propagated.
 		if library.SharedProperties.Shared.System_shared_libs != nil {
 			library.baseLinker.Properties.System_shared_libs = library.SharedProperties.Shared.System_shared_libs
 		}
-		if library.SharedProperties.Shared.Default_shared_libs != nil {
-			library.baseLinker.Properties.Default_shared_libs = library.SharedProperties.Shared.Default_shared_libs
-		}
 	}
 
 	deps = library.baseLinker.linkerDeps(ctx, deps)
@@ -1255,11 +1248,6 @@
 	} else {
 		specifiedDeps.systemSharedLibs = append(specifiedDeps.systemSharedLibs, properties.System_shared_libs...)
 	}
-	if specifiedDeps.defaultSharedLibs == nil {
-		specifiedDeps.defaultSharedLibs = properties.Default_shared_libs
-	} else {
-		specifiedDeps.defaultSharedLibs = append(specifiedDeps.defaultSharedLibs, properties.Default_shared_libs...)
-	}
 
 	specifiedDeps.sharedLibs = android.FirstUniqueStrings(specifiedDeps.sharedLibs)
 	if len(specifiedDeps.systemSharedLibs) > 0 {
@@ -1267,11 +1255,6 @@
 		// retained.
 		specifiedDeps.systemSharedLibs = android.FirstUniqueStrings(specifiedDeps.systemSharedLibs)
 	}
-	if len(specifiedDeps.defaultSharedLibs) > 0 {
-		// Skip this if defaultSharedLibs is either nil or [], to ensure they are
-		// retained.
-		specifiedDeps.defaultSharedLibs = android.FirstUniqueStrings(specifiedDeps.defaultSharedLibs)
-	}
 	return specifiedDeps
 }
 
diff --git a/cc/library_sdk_member.go b/cc/library_sdk_member.go
index 9ad2742..9010a1a 100644
--- a/cc/library_sdk_member.go
+++ b/cc/library_sdk_member.go
@@ -258,12 +258,6 @@
 		outputProperties.AddPropertyWithTag("system_shared_libs", libInfo.SystemSharedLibs, builder.SdkMemberReferencePropertyTag(false))
 	}
 
-	// SystemSharedLibs needs to be propagated if it's a list, even if it's empty,
-	// so check for non-nil instead of nonzero length.
-	if libInfo.DefaultSharedLibs != nil {
-		outputProperties.AddPropertyWithTag("default_shared_libs", libInfo.DefaultSharedLibs, builder.SdkMemberReferencePropertyTag(false))
-	}
-
 	// Map from property name to the include dirs to add to the prebuilt module in the snapshot.
 	includeDirs := make(map[string][]string)
 
@@ -393,12 +387,6 @@
 	// This field is exported as its contents may not be arch specific.
 	SystemSharedLibs []string `android:"arch_variant"`
 
-	// The set of default shared libraries. Note nil and [] are semantically
-	// distinct - see BaseLinkerProperties.Default_shared_libs.
-	//
-	// This field is exported as its contents may not be arch specific.
-	DefaultSharedLibs []string `android:"arch_variant"`
-
 	// The specific stubs version for the lib variant, or empty string if stubs
 	// are not in use.
 	//
@@ -474,7 +462,6 @@
 			}
 		}
 		p.SystemSharedLibs = specifiedDeps.systemSharedLibs
-		p.DefaultSharedLibs = specifiedDeps.defaultSharedLibs
 	}
 	p.ExportedGeneratedHeaders = exportedInfo.GeneratedHeaders
 
diff --git a/cc/library_test.go b/cc/library_test.go
index ba372a8..6b349b6 100644
--- a/cc/library_test.go
+++ b/cc/library_test.go
@@ -286,3 +286,37 @@
 	gotFlags := entries.EntryMap["LOCAL_EXPORT_CFLAGS"]
 	android.AssertDeepEquals(t, "androidmk exported cflags", expectedFlags, gotFlags)
 }
+
+func TestLibraryVersionScript(t *testing.T) {
+	result := PrepareForIntegrationTestWithCc.RunTestWithBp(t, `
+		cc_library {
+			name: "libfoo",
+			srcs: ["foo.c"],
+			version_script: "foo.map.txt",
+		}`)
+
+	libfoo := result.ModuleForTests("libfoo", "android_arm64_armv8-a_shared").Rule("ld")
+
+	android.AssertStringListContains(t, "missing dependency on version_script",
+		libfoo.Implicits.Strings(), "foo.map.txt")
+	android.AssertStringDoesContain(t, "missing flag for version_script",
+		libfoo.Args["ldFlags"], "-Wl,--version-script,foo.map.txt")
+
+}
+
+func TestLibraryDynamicList(t *testing.T) {
+	result := PrepareForIntegrationTestWithCc.RunTestWithBp(t, `
+		cc_library {
+			name: "libfoo",
+			srcs: ["foo.c"],
+			dynamic_list: "foo.dynamic.txt",
+		}`)
+
+	libfoo := result.ModuleForTests("libfoo", "android_arm64_armv8-a_shared").Rule("ld")
+
+	android.AssertStringListContains(t, "missing dependency on dynamic_list",
+		libfoo.Implicits.Strings(), "foo.dynamic.txt")
+	android.AssertStringDoesContain(t, "missing flag for dynamic_list",
+		libfoo.Args["ldFlags"], "-Wl,--dynamic-list,foo.dynamic.txt")
+
+}
diff --git a/cc/linkable.go b/cc/linkable.go
index 6232efb..b510508 100644
--- a/cc/linkable.go
+++ b/cc/linkable.go
@@ -3,6 +3,7 @@
 import (
 	"android/soong/android"
 	"android/soong/bazel/cquery"
+	"android/soong/snapshot"
 
 	"github.com/google/blueprint"
 )
@@ -71,15 +72,12 @@
 
 // Snapshottable defines those functions necessary for handling module snapshots.
 type Snapshottable interface {
+	snapshot.VendorSnapshotModuleInterface
+	snapshot.RecoverySnapshotModuleInterface
+
 	// SnapshotHeaders returns a list of header paths provided by this module.
 	SnapshotHeaders() android.Paths
 
-	// ExcludeFromVendorSnapshot returns true if this module should be otherwise excluded from the vendor snapshot.
-	ExcludeFromVendorSnapshot() bool
-
-	// ExcludeFromRecoverySnapshot returns true if this module should be otherwise excluded from the recovery snapshot.
-	ExcludeFromRecoverySnapshot() bool
-
 	// SnapshotLibrary returns true if this module is a snapshot library.
 	IsSnapshotLibrary() bool
 
diff --git a/cc/linker.go b/cc/linker.go
index a712391..7c710d7 100644
--- a/cc/linker.go
+++ b/cc/linker.go
@@ -15,9 +15,10 @@
 package cc
 
 import (
+	"fmt"
+
 	"android/soong/android"
 	"android/soong/cc/config"
-	"fmt"
 
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
@@ -45,18 +46,11 @@
 	// list of module-specific flags that will be used for all link steps
 	Ldflags []string `android:"arch_variant"`
 
-	// list of system libraries that will be dynamically linked to shared library and executable
-	// modules that build against bionic (device or Linux bionic modules).  If unset, generally
-	// defaults to libc, libm, and libdl.  Set to [] to prevent linking against the defaults.
-	// Equivalent to default_shared_libs for modules that build against bionic, and ignored on
-	// modules that do not build against bionic.
+	// list of system libraries that will be dynamically linked to
+	// shared library and executable modules.  If unset, generally defaults to libc,
+	// libm, and libdl.  Set to [] to prevent linking against the defaults.
 	System_shared_libs []string `android:"arch_variant"`
 
-	// list of system libraries that will be dynamically linked to shared library and executable
-	// modules.  If unset, generally defaults to libc, libm, and libdl.  Set to [] to prevent
-	// linking against the defaults.  Equivalent to system_shared_libs, but applies to all modules.
-	Default_shared_libs []string `android:"arch_variant"`
-
 	// allow the module to contain undefined symbols.  By default,
 	// modules cannot contain undefined symbols that are not satisified by their immediate
 	// dependencies.  Set this flag to true to remove --no-undefined from the linker flags.
@@ -111,6 +105,10 @@
 			// product variant of the C/C++ module.
 			Static_libs []string
 
+			// list of ehader libs that only should be used to build vendor or product
+			// variant of the C/C++ module.
+			Header_libs []string
+
 			// list of shared libs that should not be used to build vendor or
 			// product variant of the C/C++ module.
 			Exclude_shared_libs []string
@@ -179,6 +177,14 @@
 			// in most cases the same libraries are available for the SDK and platform
 			// variants.
 			Shared_libs []string
+
+			// list of ehader libs that only should be used to build platform variant of
+			// the C/C++ module.
+			Header_libs []string
+
+			// list of shared libs that should not be used to build the platform variant
+			// of the C/C++ module.
+			Exclude_shared_libs []string
 		}
 		Apex struct {
 			// list of shared libs that should not be used to build the apex variant of
@@ -200,6 +206,9 @@
 	// local file name to pass to the linker as --version_script
 	Version_script *string `android:"path,arch_variant"`
 
+	// local file name to pass to the linker as --dynamic-list
+	Dynamic_list *string `android:"path,arch_variant"`
+
 	// list of static libs that should not be used to build this module
 	Exclude_static_libs []string `android:"arch_variant"`
 
@@ -238,19 +247,6 @@
 	linker.Properties.Ldflags = append(linker.Properties.Ldflags, flags...)
 }
 
-// overrideDefaultSharedLibraries returns the contents of the default_shared_libs or
-// system_shared_libs properties, and records an error if both are set.
-func (linker *baseLinker) overrideDefaultSharedLibraries(ctx BaseModuleContext) []string {
-	if linker.Properties.System_shared_libs != nil && linker.Properties.Default_shared_libs != nil {
-		ctx.PropertyErrorf("system_shared_libs", "cannot be specified if default_shared_libs is also specified")
-	}
-	if ctx.toolchain().Bionic() && linker.Properties.System_shared_libs != nil {
-		// system_shared_libs is only honored when building against bionic.
-		return linker.Properties.System_shared_libs
-	}
-	return linker.Properties.Default_shared_libs
-}
-
 // linkerInit initializes dynamic properties of the linker (such as runpath).
 func (linker *baseLinker) linkerInit(ctx BaseModuleContext) {
 	if ctx.toolchain().Is64Bit() {
@@ -300,6 +296,7 @@
 		deps.ReexportSharedLibHeaders = removeListFromList(deps.ReexportSharedLibHeaders, linker.Properties.Target.Vendor.Exclude_shared_libs)
 		deps.StaticLibs = append(deps.StaticLibs, linker.Properties.Target.Vendor.Static_libs...)
 		deps.StaticLibs = removeListFromList(deps.StaticLibs, linker.Properties.Target.Vendor.Exclude_static_libs)
+		deps.HeaderLibs = append(deps.HeaderLibs, linker.Properties.Target.Vendor.Header_libs...)
 		deps.HeaderLibs = removeListFromList(deps.HeaderLibs, linker.Properties.Target.Vendor.Exclude_header_libs)
 		deps.ReexportStaticLibHeaders = removeListFromList(deps.ReexportStaticLibHeaders, linker.Properties.Target.Vendor.Exclude_static_libs)
 		deps.WholeStaticLibs = removeListFromList(deps.WholeStaticLibs, linker.Properties.Target.Vendor.Exclude_static_libs)
@@ -349,15 +346,17 @@
 
 	if !ctx.useSdk() {
 		deps.SharedLibs = append(deps.SharedLibs, linker.Properties.Target.Platform.Shared_libs...)
+		deps.SharedLibs = removeListFromList(deps.SharedLibs, linker.Properties.Target.Platform.Exclude_shared_libs)
+		deps.HeaderLibs = append(deps.HeaderLibs, linker.Properties.Target.Platform.Header_libs...)
 	}
 
-	deps.SystemSharedLibs = linker.overrideDefaultSharedLibraries(ctx)
+	deps.SystemSharedLibs = linker.Properties.System_shared_libs
 	// In Bazel conversion mode, variations have not been specified, so SystemSharedLibs may
 	// inaccuarately appear unset, which can cause issues with circular dependencies.
 	if deps.SystemSharedLibs == nil && !ctx.BazelConversionMode() {
-		// Provide a default set of shared libraries if default_shared_libs and system_shared_libs
-		// are unspecified.  Note: If an empty list [] is specified, it implies that the module
-		// declines the default shared libraries.
+		// Provide a default system_shared_libs if it is unspecified. Note: If an
+		// empty list [] is specified, it implies that the module declines the
+		// default system_shared_libs.
 		deps.SystemSharedLibs = append(deps.SystemSharedLibs, ctx.toolchain().DefaultSharedLibraries()...)
 	}
 
@@ -385,22 +384,14 @@
 			indexList("libdl", deps.SystemSharedLibs) < indexList("libc", deps.SystemSharedLibs) {
 			ctx.PropertyErrorf("system_shared_libs", "libdl must be after libc")
 		}
+	} else if ctx.toolchain().Musl() {
+		if !Bool(linker.Properties.No_libcrt) && !ctx.header() {
+			deps.LateStaticLibs = append(deps.LateStaticLibs, config.BuiltinsRuntimeLibrary(ctx.toolchain()))
+		}
 	}
 
 	deps.LateSharedLibs = append(deps.LateSharedLibs, deps.SystemSharedLibs...)
 
-	if ctx.Fuchsia() {
-		if ctx.ModuleName() != "libbioniccompat" &&
-			ctx.ModuleName() != "libcompiler_rt-extras" &&
-			ctx.ModuleName() != "libcompiler_rt" {
-			deps.StaticLibs = append(deps.StaticLibs, "libbioniccompat")
-		}
-		if ctx.ModuleName() != "libcompiler_rt" && ctx.ModuleName() != "libcompiler_rt-extras" {
-			deps.LateStaticLibs = append(deps.LateStaticLibs, "libcompiler_rt")
-		}
-
-	}
-
 	if ctx.Windows() {
 		deps.LateStaticLibs = append(deps.LateStaticLibs, "libwinpthread")
 	}
@@ -484,7 +475,7 @@
 		flags.Global.LdFlags = append(flags.Global.LdFlags, toolchain.Ldflags())
 	}
 
-	if !ctx.toolchain().Bionic() && !ctx.Fuchsia() {
+	if !ctx.toolchain().Bionic() && ctx.Os() != android.LinuxMusl {
 		CheckBadHostLdlibs(ctx, "host_ldlibs", linker.Properties.Host_ldlibs)
 
 		flags.Local.LdFlags = append(flags.Local.LdFlags, linker.Properties.Host_ldlibs...)
@@ -503,10 +494,6 @@
 		}
 	}
 
-	if ctx.Fuchsia() {
-		flags.Global.LdFlags = append(flags.Global.LdFlags, "-lfdio", "-lzircon")
-	}
-
 	if ctx.toolchain().LibclangRuntimeLibraryArch() != "" {
 		flags.Global.LdFlags = append(flags.Global.LdFlags, "-Wl,--exclude-libs="+config.BuiltinsRuntimeLibrary(ctx.toolchain())+".a")
 	}
@@ -573,6 +560,17 @@
 				}
 			}
 		}
+
+		dynamicList := android.OptionalPathForModuleSrc(ctx, linker.Properties.Dynamic_list)
+		if dynamicList.Valid() {
+			if ctx.Darwin() {
+				ctx.PropertyErrorf("dynamic_list", "Not supported on Darwin")
+			} else {
+				flags.Local.LdFlags = append(flags.Local.LdFlags,
+					"-Wl,--dynamic-list,"+dynamicList.String())
+				flags.LdFlagsDeps = append(flags.LdFlagsDeps, dynamicList.Path())
+			}
+		}
 	}
 
 	return flags
@@ -593,11 +591,6 @@
 	} else {
 		specifiedDeps.systemSharedLibs = append(specifiedDeps.systemSharedLibs, linker.Properties.System_shared_libs...)
 	}
-	if specifiedDeps.defaultSharedLibs == nil {
-		specifiedDeps.defaultSharedLibs = linker.Properties.Default_shared_libs
-	} else {
-		specifiedDeps.defaultSharedLibs = append(specifiedDeps.defaultSharedLibs, linker.Properties.Default_shared_libs...)
-	}
 
 	return specifiedDeps
 }
diff --git a/cc/makevars.go b/cc/makevars.go
index 393170a..8d7a163 100644
--- a/cc/makevars.go
+++ b/cc/makevars.go
@@ -165,7 +165,7 @@
 	sort.Strings(ndkKnownLibs)
 	ctx.Strict("NDK_KNOWN_LIBS", strings.Join(ndkKnownLibs, " "))
 
-	hostTargets := ctx.Config().Targets[android.BuildOs]
+	hostTargets := ctx.Config().Targets[ctx.Config().BuildOS]
 	makeVarsToolchain(ctx, "", hostTargets[0])
 	if len(hostTargets) > 1 {
 		makeVarsToolchain(ctx, "2ND_", hostTargets[1])
diff --git a/cc/ndk_library.go b/cc/ndk_library.go
index a458380..63e8261 100644
--- a/cc/ndk_library.go
+++ b/cc/ndk_library.go
@@ -150,12 +150,6 @@
 	if !ctx.Module().Enabled() {
 		return nil
 	}
-	if ctx.Os() != android.Android {
-		// These modules are always android.DeviceEnabled only, but
-		// those include Fuchsia devices, which we don't support.
-		ctx.Module().Disable()
-		return nil
-	}
 	if ctx.Target().NativeBridge == android.NativeBridgeEnabled {
 		ctx.Module().Disable()
 		return nil
diff --git a/cc/object.go b/cc/object.go
index 0f983c8..bd9f228 100644
--- a/cc/object.go
+++ b/cc/object.go
@@ -78,7 +78,7 @@
 
 	// list of default libraries that will provide headers for this module.  If unset, generally
 	// defaults to libc, libm, and libdl.  Set to [] to prevent using headers from the defaults.
-	Default_shared_libs []string `android:"arch_variant"`
+	System_shared_libs []string `android:"arch_variant"`
 
 	// names of other cc_object modules to link into this module using partial linking
 	Objs []string `android:"arch_variant"`
@@ -219,9 +219,9 @@
 	deps.StaticLibs = append(deps.StaticLibs, object.Properties.Static_libs...)
 	deps.ObjFiles = append(deps.ObjFiles, object.Properties.Objs...)
 
-	deps.SystemSharedLibs = object.Properties.Default_shared_libs
+	deps.SystemSharedLibs = object.Properties.System_shared_libs
 	if deps.SystemSharedLibs == nil {
-		// Provide a default set of shared libraries if default_shared_libs is unspecified.
+		// Provide a default set of shared libraries if system_shared_libs is unspecified.
 		// Note: If an empty list [] is specified, it implies that the module declines the
 		// default shared libraries.
 		deps.SystemSharedLibs = append(deps.SystemSharedLibs, ctx.toolchain().DefaultSharedLibraries()...)
@@ -278,12 +278,12 @@
 func (object *objectLinker) linkerSpecifiedDeps(specifiedDeps specifiedDeps) specifiedDeps {
 	specifiedDeps.sharedLibs = append(specifiedDeps.sharedLibs, object.Properties.Shared_libs...)
 
-	// Must distinguish nil and [] in default_shared_libs - ensure that [] in
+	// Must distinguish nil and [] in system_shared_libs - ensure that [] in
 	// either input list doesn't come out as nil.
-	if specifiedDeps.defaultSharedLibs == nil {
-		specifiedDeps.defaultSharedLibs = object.Properties.Default_shared_libs
+	if specifiedDeps.systemSharedLibs == nil {
+		specifiedDeps.systemSharedLibs = object.Properties.System_shared_libs
 	} else {
-		specifiedDeps.defaultSharedLibs = append(specifiedDeps.defaultSharedLibs, object.Properties.Default_shared_libs...)
+		specifiedDeps.systemSharedLibs = append(specifiedDeps.systemSharedLibs, object.Properties.System_shared_libs...)
 	}
 
 	return specifiedDeps
diff --git a/cc/prebuilt_test.go b/cc/prebuilt_test.go
index fa6dd87..c8f8103 100644
--- a/cc/prebuilt_test.go
+++ b/cc/prebuilt_test.go
@@ -15,6 +15,7 @@
 package cc
 
 import (
+	"runtime"
 	"testing"
 
 	"android/soong/android"
@@ -271,8 +272,8 @@
 }
 
 func TestPrebuiltSymlinkedHostBinary(t *testing.T) {
-	if android.BuildOs != android.Linux {
-		t.Skipf("Skipping host prebuilt testing that is only supported on %s not %s", android.Linux, android.BuildOs)
+	if runtime.GOOS != "linux" {
+		t.Skipf("Skipping host prebuilt testing that is only supported on linux not %s", runtime.GOOS)
 	}
 
 	ctx := testPrebuilt(t, `
diff --git a/cc/proto_test.go b/cc/proto_test.go
index b9c89c7..abcb273 100644
--- a/cc/proto_test.go
+++ b/cc/proto_test.go
@@ -51,7 +51,7 @@
 			},
 		}`)
 
-		buildOS := android.BuildOs.String()
+		buildOS := ctx.Config().BuildOS.String()
 
 		proto := ctx.ModuleForTests("libfoo", "android_arm_armv7-a-neon_shared").Output("proto/a.pb.cc")
 		foobar := ctx.ModuleForTests("protoc-gen-foobar", buildOS+"_x86_64")
diff --git a/cc/rs.go b/cc/rs.go
index ba69f23..fbc86e2 100644
--- a/cc/rs.go
+++ b/cc/rs.go
@@ -36,7 +36,8 @@
 
 var rsCppCmdLine = strings.Replace(`
 ${rsCmd} -o ${outDir} -d ${outDir} -a ${out} -MD -reflect-c++ ${rsFlags} $in &&
-(echo '${out}: \' && cat ${depFiles} | awk 'start { sub(/( \\)?$$/, " \\"); print } /:/ { start=1 }') > ${out}.d &&
+echo '${out}: \' > ${out}.d &&
+for f in ${depFiles}; do cat $${f} | awk 'start { sub(/( \\)?$$/, " \\"); print } /:/ { start=1 }' >> ${out}.d; done &&
 touch $out
 `, "\n", "", -1)
 
diff --git a/cc/sabi.go b/cc/sabi.go
index 5fd6f5d..e62ca66 100644
--- a/cc/sabi.go
+++ b/cc/sabi.go
@@ -101,10 +101,6 @@
 // Called from sabiDepsMutator to check whether ABI dumps should be created for this module.
 // ctx should be wrapping a native library type module.
 func shouldCreateSourceAbiDumpForLibrary(ctx android.BaseModuleContext) bool {
-	if ctx.Fuchsia() {
-		return false
-	}
-
 	// Only generate ABI dump for device modules.
 	if !ctx.Device() {
 		return false
diff --git a/cc/sanitize.go b/cc/sanitize.go
index defe8fd..b244394 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -25,6 +25,7 @@
 
 	"android/soong/android"
 	"android/soong/cc/config"
+	"android/soong/snapshot"
 )
 
 var (
@@ -265,7 +266,6 @@
 }
 
 type SanitizeProperties struct {
-	// Sanitizers are not supported for Fuchsia.
 	Sanitize          SanitizeUserProps `android:"arch_variant"`
 	SanitizerEnabled  bool              `blueprint:"mutated"`
 	SanitizeDep       bool              `blueprint:"mutated"`
@@ -305,11 +305,6 @@
 		s.Never = BoolPtr(true)
 	}
 
-	// Sanitizers do not work on Fuchsia yet.
-	if ctx.Fuchsia() {
-		s.Never = BoolPtr(true)
-	}
-
 	// Never always wins.
 	if Bool(s.Never) {
 		return
@@ -477,8 +472,8 @@
 		s.Diag.Cfi = nil
 	}
 
-	// Disable sanitizers that depend on the UBSan runtime for windows/darwin builds.
-	if !ctx.Os().Linux() {
+	// Disable sanitizers that depend on the UBSan runtime for windows/darwin/musl builds.
+	if !ctx.Os().Linux() || ctx.Os() == android.LinuxMusl {
 		s.Cfi = nil
 		s.Diag.Cfi = nil
 		s.Misc_undefined = nil
@@ -907,7 +902,7 @@
 // as vendor snapshot. Such modules must create both cfi and non-cfi variants,
 // except for ones which explicitly disable cfi.
 func needsCfiForVendorSnapshot(mctx android.TopDownMutatorContext) bool {
-	if IsVendorProprietaryModule(mctx) {
+	if snapshot.IsVendorProprietaryModule(mctx) {
 		return false
 	}
 
diff --git a/cc/sdk.go b/cc/sdk.go
index 69ad311..a83e5ad 100644
--- a/cc/sdk.go
+++ b/cc/sdk.go
@@ -76,7 +76,7 @@
 			}
 			ctx.AliasVariation("")
 		}
-	case *snapshot:
+	case *snapshotModule:
 		ctx.CreateVariations("")
 	}
 }
diff --git a/cc/snapshot_prebuilt.go b/cc/snapshot_prebuilt.go
index 4f031ff..9672c0f 100644
--- a/cc/snapshot_prebuilt.go
+++ b/cc/snapshot_prebuilt.go
@@ -18,57 +18,17 @@
 // snapshot mutators and snapshot information maps which are also defined in this file.
 
 import (
-	"path/filepath"
 	"strings"
 
 	"android/soong/android"
+	"android/soong/snapshot"
 
 	"github.com/google/blueprint"
 )
 
-// Defines the specifics of different images to which the snapshot process is applicable, e.g.,
-// vendor, recovery, ramdisk.
+// This interface overrides snapshot.SnapshotImage to implement cc module specific functions
 type SnapshotImage interface {
-	// Returns true if a snapshot should be generated for this image.
-	shouldGenerateSnapshot(ctx android.SingletonContext) bool
-
-	// Function that returns true if the module is included in this image.
-	// Using a function return instead of a value to prevent early
-	// evalution of a function that may be not be defined.
-	inImage(m LinkableInterface) func() bool
-
-	// Returns true if the module is private and must not be included in the
-	// snapshot. For example VNDK-private modules must return true for the
-	// vendor snapshots. But false for the recovery snapshots.
-	private(m LinkableInterface) bool
-
-	// Returns true if a dir under source tree is an SoC-owned proprietary
-	// directory, such as device/, vendor/, etc.
-	//
-	// For a given snapshot (e.g., vendor, recovery, etc.) if
-	// isProprietaryPath(dir, deviceConfig) returns true, then the module in dir
-	// will be built from sources.
-	isProprietaryPath(dir string, deviceConfig android.DeviceConfig) bool
-
-	// Whether to include VNDK in the snapshot for this image.
-	includeVndk() bool
-
-	// Whether a given module has been explicitly excluded from the
-	// snapshot, e.g., using the exclude_from_vendor_snapshot or
-	// exclude_from_recovery_snapshot properties.
-	excludeFromSnapshot(m LinkableInterface) bool
-
-	// Returns true if the build is using a snapshot for this image.
-	isUsingSnapshot(cfg android.DeviceConfig) bool
-
-	// Returns a version of which the snapshot should be used in this target.
-	// This will only be meaningful when isUsingSnapshot is true.
-	targetSnapshotVersion(cfg android.DeviceConfig) string
-
-	// Whether to exclude a given module from the directed snapshot or not.
-	// If the makefile variable DIRECTED_{IMAGE}_SNAPSHOT is true, directed snapshot is turned on,
-	// and only modules listed in {IMAGE}_SNAPSHOT_MODULES will be captured.
-	excludeFromDirectedSnapshot(cfg android.DeviceConfig, name string) bool
+	snapshot.SnapshotImage
 
 	// The image variant name for this snapshot image.
 	// For example, recovery snapshot image will return "recovery", and vendor snapshot image will
@@ -80,110 +40,12 @@
 	moduleNameSuffix() string
 }
 
-type vendorSnapshotImage struct{}
-type recoverySnapshotImage struct{}
-
-type directoryMap map[string]bool
-
-var (
-	// Modules under following directories are ignored. They are OEM's and vendor's
-	// proprietary modules(device/, kernel/, vendor/, and hardware/).
-	defaultDirectoryExcludedMap = directoryMap{
-		"device":   true,
-		"hardware": true,
-		"kernel":   true,
-		"vendor":   true,
-	}
-
-	// Modules under following directories are included as they are in AOSP,
-	// although hardware/ and kernel/ are normally for vendor's own.
-	defaultDirectoryIncludedMap = directoryMap{
-		"kernel/configs":              true,
-		"kernel/prebuilts":            true,
-		"kernel/tests":                true,
-		"hardware/interfaces":         true,
-		"hardware/libhardware":        true,
-		"hardware/libhardware_legacy": true,
-		"hardware/ril":                true,
-	}
-)
-
-func (vendorSnapshotImage) Init(ctx android.RegistrationContext) {
-	ctx.RegisterSingletonType("vendor-snapshot", VendorSnapshotSingleton)
-	ctx.RegisterModuleType("vendor_snapshot", vendorSnapshotFactory)
-	ctx.RegisterModuleType("vendor_snapshot_shared", VendorSnapshotSharedFactory)
-	ctx.RegisterModuleType("vendor_snapshot_static", VendorSnapshotStaticFactory)
-	ctx.RegisterModuleType("vendor_snapshot_header", VendorSnapshotHeaderFactory)
-	ctx.RegisterModuleType("vendor_snapshot_binary", VendorSnapshotBinaryFactory)
-	ctx.RegisterModuleType("vendor_snapshot_object", VendorSnapshotObjectFactory)
-
-	ctx.RegisterSingletonType("vendor-fake-snapshot", VendorFakeSnapshotSingleton)
+type vendorSnapshotImage struct {
+	*snapshot.VendorSnapshotImage
 }
 
-func (vendorSnapshotImage) RegisterAdditionalModule(ctx android.RegistrationContext, name string, factory android.ModuleFactory) {
-	ctx.RegisterModuleType(name, factory)
-}
-
-func (vendorSnapshotImage) shouldGenerateSnapshot(ctx android.SingletonContext) bool {
-	// BOARD_VNDK_VERSION must be set to 'current' in order to generate a snapshot.
-	return ctx.DeviceConfig().VndkVersion() == "current"
-}
-
-func (vendorSnapshotImage) inImage(m LinkableInterface) func() bool {
-	return m.InVendor
-}
-
-func (vendorSnapshotImage) private(m LinkableInterface) bool {
-	return m.IsVndkPrivate()
-}
-
-func isDirectoryExcluded(dir string, excludedMap directoryMap, includedMap directoryMap) bool {
-	if dir == "." || dir == "/" {
-		return false
-	}
-	if includedMap[dir] {
-		return false
-	} else if excludedMap[dir] {
-		return true
-	} else if defaultDirectoryIncludedMap[dir] {
-		return false
-	} else if defaultDirectoryExcludedMap[dir] {
-		return true
-	} else {
-		return isDirectoryExcluded(filepath.Dir(dir), excludedMap, includedMap)
-	}
-}
-
-func (vendorSnapshotImage) isProprietaryPath(dir string, deviceConfig android.DeviceConfig) bool {
-	return isDirectoryExcluded(dir, deviceConfig.VendorSnapshotDirsExcludedMap(), deviceConfig.VendorSnapshotDirsIncludedMap())
-}
-
-// vendor snapshot includes static/header libraries with vndk: {enabled: true}.
-func (vendorSnapshotImage) includeVndk() bool {
-	return true
-}
-
-func (vendorSnapshotImage) excludeFromSnapshot(m LinkableInterface) bool {
-	return m.ExcludeFromVendorSnapshot()
-}
-
-func (vendorSnapshotImage) isUsingSnapshot(cfg android.DeviceConfig) bool {
-	vndkVersion := cfg.VndkVersion()
-	return vndkVersion != "current" && vndkVersion != ""
-}
-
-func (vendorSnapshotImage) targetSnapshotVersion(cfg android.DeviceConfig) string {
-	return cfg.VndkVersion()
-}
-
-// returns true iff a given module SHOULD BE EXCLUDED, false if included
-func (vendorSnapshotImage) excludeFromDirectedSnapshot(cfg android.DeviceConfig, name string) bool {
-	// If we're using full snapshot, not directed snapshot, capture every module
-	if !cfg.DirectedVendorSnapshot() {
-		return false
-	}
-	// Else, checks if name is in VENDOR_SNAPSHOT_MODULES.
-	return !cfg.VendorSnapshotModules()[name]
+type recoverySnapshotImage struct {
+	*snapshot.RecoverySnapshotImage
 }
 
 func (vendorSnapshotImage) imageVariantName(cfg android.DeviceConfig) string {
@@ -194,62 +56,6 @@
 	return VendorSuffix
 }
 
-func (recoverySnapshotImage) init(ctx android.RegistrationContext) {
-	ctx.RegisterSingletonType("recovery-snapshot", RecoverySnapshotSingleton)
-	ctx.RegisterModuleType("recovery_snapshot", recoverySnapshotFactory)
-	ctx.RegisterModuleType("recovery_snapshot_shared", RecoverySnapshotSharedFactory)
-	ctx.RegisterModuleType("recovery_snapshot_static", RecoverySnapshotStaticFactory)
-	ctx.RegisterModuleType("recovery_snapshot_header", RecoverySnapshotHeaderFactory)
-	ctx.RegisterModuleType("recovery_snapshot_binary", RecoverySnapshotBinaryFactory)
-	ctx.RegisterModuleType("recovery_snapshot_object", RecoverySnapshotObjectFactory)
-}
-
-func (recoverySnapshotImage) shouldGenerateSnapshot(ctx android.SingletonContext) bool {
-	// RECOVERY_SNAPSHOT_VERSION must be set to 'current' in order to generate a
-	// snapshot.
-	return ctx.DeviceConfig().RecoverySnapshotVersion() == "current"
-}
-
-func (recoverySnapshotImage) inImage(m LinkableInterface) func() bool {
-	return m.InRecovery
-}
-
-// recovery snapshot does not have private libraries.
-func (recoverySnapshotImage) private(m LinkableInterface) bool {
-	return false
-}
-
-func (recoverySnapshotImage) isProprietaryPath(dir string, deviceConfig android.DeviceConfig) bool {
-	return isDirectoryExcluded(dir, deviceConfig.RecoverySnapshotDirsExcludedMap(), deviceConfig.RecoverySnapshotDirsIncludedMap())
-}
-
-// recovery snapshot does NOT treat vndk specially.
-func (recoverySnapshotImage) includeVndk() bool {
-	return false
-}
-
-func (recoverySnapshotImage) excludeFromSnapshot(m LinkableInterface) bool {
-	return m.ExcludeFromRecoverySnapshot()
-}
-
-func (recoverySnapshotImage) isUsingSnapshot(cfg android.DeviceConfig) bool {
-	recoverySnapshotVersion := cfg.RecoverySnapshotVersion()
-	return recoverySnapshotVersion != "current" && recoverySnapshotVersion != ""
-}
-
-func (recoverySnapshotImage) targetSnapshotVersion(cfg android.DeviceConfig) string {
-	return cfg.RecoverySnapshotVersion()
-}
-
-func (recoverySnapshotImage) excludeFromDirectedSnapshot(cfg android.DeviceConfig, name string) bool {
-	// If we're using full snapshot, not directed snapshot, capture every module
-	if !cfg.DirectedRecoverySnapshot() {
-		return false
-	}
-	// Else, checks if name is in RECOVERY_SNAPSHOT_MODULES.
-	return !cfg.RecoverySnapshotModules()[name]
-}
-
 func (recoverySnapshotImage) imageVariantName(cfg android.DeviceConfig) string {
 	return android.RecoveryVariation
 }
@@ -258,12 +64,31 @@
 	return recoverySuffix
 }
 
-var VendorSnapshotImageSingleton vendorSnapshotImage
-var recoverySnapshotImageSingleton recoverySnapshotImage
+// Override existing vendor and recovery snapshot for cc module specific extra functions
+var VendorSnapshotImageSingleton vendorSnapshotImage = vendorSnapshotImage{&snapshot.VendorSnapshotImageSingleton}
+var recoverySnapshotImageSingleton recoverySnapshotImage = recoverySnapshotImage{&snapshot.RecoverySnapshotImageSingleton}
+
+func RegisterVendorSnapshotModules(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("vendor_snapshot", vendorSnapshotFactory)
+	ctx.RegisterModuleType("vendor_snapshot_shared", VendorSnapshotSharedFactory)
+	ctx.RegisterModuleType("vendor_snapshot_static", VendorSnapshotStaticFactory)
+	ctx.RegisterModuleType("vendor_snapshot_header", VendorSnapshotHeaderFactory)
+	ctx.RegisterModuleType("vendor_snapshot_binary", VendorSnapshotBinaryFactory)
+	ctx.RegisterModuleType("vendor_snapshot_object", VendorSnapshotObjectFactory)
+}
+
+func RegisterRecoverySnapshotModules(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("recovery_snapshot", recoverySnapshotFactory)
+	ctx.RegisterModuleType("recovery_snapshot_shared", RecoverySnapshotSharedFactory)
+	ctx.RegisterModuleType("recovery_snapshot_static", RecoverySnapshotStaticFactory)
+	ctx.RegisterModuleType("recovery_snapshot_header", RecoverySnapshotHeaderFactory)
+	ctx.RegisterModuleType("recovery_snapshot_binary", RecoverySnapshotBinaryFactory)
+	ctx.RegisterModuleType("recovery_snapshot_object", RecoverySnapshotObjectFactory)
+}
 
 func init() {
-	VendorSnapshotImageSingleton.Init(android.InitRegistrationContext)
-	recoverySnapshotImageSingleton.init(android.InitRegistrationContext)
+	RegisterVendorSnapshotModules(android.InitRegistrationContext)
+	RegisterRecoverySnapshotModules(android.InitRegistrationContext)
 	android.RegisterMakeVarsProvider(pctx, snapshotMakeVarsProvider)
 }
 
@@ -285,8 +110,7 @@
 	Binaries    []string `android:"arch_variant"`
 	Objects     []string `android:"arch_variant"`
 }
-
-type snapshot struct {
+type snapshotModule struct {
 	android.ModuleBase
 
 	properties SnapshotProperties
@@ -296,41 +120,41 @@
 	image SnapshotImage
 }
 
-func (s *snapshot) ImageMutatorBegin(ctx android.BaseModuleContext) {
+func (s *snapshotModule) ImageMutatorBegin(ctx android.BaseModuleContext) {
 	cfg := ctx.DeviceConfig()
-	if !s.image.isUsingSnapshot(cfg) || s.image.targetSnapshotVersion(cfg) != s.baseSnapshot.Version() {
+	if !s.image.IsUsingSnapshot(cfg) || s.image.TargetSnapshotVersion(cfg) != s.baseSnapshot.Version() {
 		s.Disable()
 	}
 }
 
-func (s *snapshot) CoreVariantNeeded(ctx android.BaseModuleContext) bool {
+func (s *snapshotModule) CoreVariantNeeded(ctx android.BaseModuleContext) bool {
 	return false
 }
 
-func (s *snapshot) RamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
+func (s *snapshotModule) RamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
 	return false
 }
 
-func (s *snapshot) VendorRamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
+func (s *snapshotModule) VendorRamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
 	return false
 }
 
-func (s *snapshot) DebugRamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
+func (s *snapshotModule) DebugRamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
 	return false
 }
 
-func (s *snapshot) RecoveryVariantNeeded(ctx android.BaseModuleContext) bool {
+func (s *snapshotModule) RecoveryVariantNeeded(ctx android.BaseModuleContext) bool {
 	return false
 }
 
-func (s *snapshot) ExtraImageVariations(ctx android.BaseModuleContext) []string {
+func (s *snapshotModule) ExtraImageVariations(ctx android.BaseModuleContext) []string {
 	return []string{s.image.imageVariantName(ctx.DeviceConfig())}
 }
 
-func (s *snapshot) SetImageVariation(ctx android.BaseModuleContext, variation string, module android.Module) {
+func (s *snapshotModule) SetImageVariation(ctx android.BaseModuleContext, variation string, module android.Module) {
 }
 
-func (s *snapshot) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+func (s *snapshotModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	// Nothing, the snapshot module is only used to forward dependency information in DepsMutator.
 }
 
@@ -342,7 +166,7 @@
 	return moduleSuffix + versionSuffix
 }
 
-func (s *snapshot) DepsMutator(ctx android.BottomUpMutatorContext) {
+func (s *snapshotModule) DepsMutator(ctx android.BottomUpMutatorContext) {
 	collectSnapshotMap := func(names []string, snapshotSuffix, moduleSuffix string) map[string]string {
 		snapshotMap := make(map[string]string)
 		for _, name := range names {
@@ -382,12 +206,12 @@
 
 var SnapshotInfoProvider = blueprint.NewMutatorProvider(SnapshotInfo{}, "deps")
 
-var _ android.ImageInterface = (*snapshot)(nil)
+var _ android.ImageInterface = (*snapshotModule)(nil)
 
 func snapshotMakeVarsProvider(ctx android.MakeVarsContext) {
 	snapshotSet := map[string]struct{}{}
 	ctx.VisitAllModules(func(m android.Module) {
-		if s, ok := m.(*snapshot); ok {
+		if s, ok := m.(*snapshotModule); ok {
 			if _, ok := snapshotSet[s.Name()]; ok {
 				// arch variant generates duplicated modules
 				// skip this as we only need to know the path of the module.
@@ -411,13 +235,13 @@
 }
 
 func snapshotFactory(image SnapshotImage) android.Module {
-	snapshot := &snapshot{}
-	snapshot.image = image
-	snapshot.AddProperties(
-		&snapshot.properties,
-		&snapshot.baseSnapshot.baseProperties)
-	android.InitAndroidArchModule(snapshot, android.DeviceSupported, android.MultilibBoth)
-	return snapshot
+	snapshotModule := &snapshotModule{}
+	snapshotModule.image = image
+	snapshotModule.AddProperties(
+		&snapshotModule.properties,
+		&snapshotModule.baseSnapshot.baseProperties)
+	android.InitAndroidArchModule(snapshotModule, android.DeviceSupported, android.MultilibBoth)
+	return snapshotModule
 }
 
 type BaseSnapshotDecoratorProperties struct {
@@ -449,7 +273,7 @@
 // will be seen as "libbase.vendor_static.30.arm64" by Soong.
 type BaseSnapshotDecorator struct {
 	baseProperties BaseSnapshotDecoratorProperties
-	image          SnapshotImage
+	Image          SnapshotImage
 }
 
 func (p *BaseSnapshotDecorator) Name(name string) string {
@@ -489,7 +313,7 @@
 		Variation: android.CoreVariation})
 
 	if ctx.OtherModuleFarDependencyVariantExists(variations, ctx.Module().(LinkableInterface).BaseModuleName()) {
-		p.baseProperties.Androidmk_suffix = p.image.moduleNameSuffix()
+		p.baseProperties.Androidmk_suffix = p.Image.moduleNameSuffix()
 		return
 	}
 
@@ -498,14 +322,14 @@
 		Variation: ProductVariationPrefix + ctx.DeviceConfig().PlatformVndkVersion()})
 
 	if ctx.OtherModuleFarDependencyVariantExists(variations, ctx.Module().(LinkableInterface).BaseModuleName()) {
-		p.baseProperties.Androidmk_suffix = p.image.moduleNameSuffix()
+		p.baseProperties.Androidmk_suffix = p.Image.moduleNameSuffix()
 		return
 	}
 
 	images := []SnapshotImage{VendorSnapshotImageSingleton, recoverySnapshotImageSingleton}
 
 	for _, image := range images {
-		if p.image == image {
+		if p.Image == image {
 			continue
 		}
 		variations = append(ctx.Target().Variations(), blueprint.Variation{
@@ -518,7 +342,7 @@
 					image.moduleNameSuffix()+variant,
 					p.Version(),
 					ctx.DeviceConfig().Arches()[0].ArchType.String())) {
-			p.baseProperties.Androidmk_suffix = p.image.moduleNameSuffix()
+			p.baseProperties.Androidmk_suffix = p.Image.moduleNameSuffix()
 			return
 		}
 	}
@@ -529,7 +353,7 @@
 // Call this with a module suffix after creating a snapshot module, such as
 // vendorSnapshotSharedSuffix, recoverySnapshotBinarySuffix, etc.
 func (p *BaseSnapshotDecorator) Init(m LinkableInterface, image SnapshotImage, moduleSuffix string) {
-	p.image = image
+	p.Image = image
 	p.baseProperties.ModuleSuffix = image.moduleNameSuffix() + moduleSuffix
 	m.AddProperties(&p.baseProperties)
 	android.AddLoadHook(m, func(ctx android.LoadHookContext) {
diff --git a/cc/snapshot_utils.go b/cc/snapshot_utils.go
index b0538be..24abcce 100644
--- a/cc/snapshot_utils.go
+++ b/cc/snapshot_utils.go
@@ -114,7 +114,7 @@
 	}
 
 	for _, image := range []SnapshotImage{VendorSnapshotImageSingleton, recoverySnapshotImageSingleton} {
-		if isSnapshotAware(ctx.DeviceConfig(), m, image.isProprietaryPath(ctx.ModuleDir(), ctx.DeviceConfig()), apexInfo, image) {
+		if isSnapshotAware(ctx.DeviceConfig(), m, image.IsProprietaryPath(ctx.ModuleDir(), ctx.DeviceConfig()), apexInfo, image) {
 			return true
 		}
 	}
diff --git a/cc/stl.go b/cc/stl.go
index 06dc840..0f2a878 100644
--- a/cc/stl.go
+++ b/cc/stl.go
@@ -15,8 +15,9 @@
 package cc
 
 import (
-	"android/soong/android"
 	"fmt"
+
+	"android/soong/android"
 )
 
 func getNdkStlFamily(m LinkableInterface) string {
@@ -92,26 +93,6 @@
 				ctx.ModuleErrorf("stl: %q is not a supported STL for windows", s)
 				return ""
 			}
-		} else if ctx.Fuchsia() {
-			switch s {
-			case "c++_static":
-				return "libc++_static"
-			case "c++_shared":
-				return "libc++"
-			case "libc++", "libc++_static":
-				return s
-			case "none":
-				return ""
-			case "":
-				if ctx.static() {
-					return "libc++_static"
-				} else {
-					return "libc++"
-				}
-			default:
-				ctx.ModuleErrorf("stl: %q is not a supported STL on Fuchsia", s)
-				return ""
-			}
 		} else {
 			switch s {
 			case "libc++", "libc++_static":
diff --git a/cc/testing.go b/cc/testing.go
index b9d84f6..e8f3481 100644
--- a/cc/testing.go
+++ b/cc/testing.go
@@ -20,6 +20,7 @@
 
 	"android/soong/android"
 	"android/soong/genrule"
+	"android/soong/snapshot"
 )
 
 func RegisterRequiredBuildComponentsForTest(ctx android.RegistrationContext) {
@@ -44,9 +45,6 @@
 
 	supportLinuxBionic := false
 	for _, os := range oses {
-		if os == android.Fuchsia {
-			ret += withFuchsiaModules()
-		}
 		if os == android.Windows {
 			ret += withWindowsModules()
 		}
@@ -367,7 +365,7 @@
 			stl: "none",
 			min_sdk_version: "16",
 			crt: true,
-			default_shared_libs: [],
+			system_shared_libs: [],
 			apex_available: [
 				"//apex_available:platform",
 				"//apex_available:anyapex",
@@ -452,6 +450,25 @@
 		cc_library_static {
 			name: "note_memtag_heap_sync",
 		}
+
+
+		cc_library {
+			name: "libjemalloc5",
+			host_supported: true,
+			no_libcrt: true,
+			nocrt: true,
+			system_shared_libs: [],
+			stl: "none",
+		}
+
+		cc_library {
+			name: "libc_musl",
+			host_supported: true,
+			no_libcrt: true,
+			nocrt: true,
+			system_shared_libs: [],
+			stl: "none",
+		}
 	`
 }
 
@@ -471,19 +488,6 @@
 		`
 }
 
-func withFuchsiaModules() string {
-	return `
-		cc_library {
-			name: "libbioniccompat",
-			stl: "none",
-		}
-		cc_library {
-			name: "libcompiler_rt",
-			stl: "none",
-		}
-		`
-}
-
 func withLinuxBionic() string {
 	return `
 				cc_binary {
@@ -625,21 +629,15 @@
 	android.FixtureOverrideTextFile(linuxBionicDefaultsPath, withLinuxBionic()),
 )
 
-// The preparer to include if running a cc related test for fuchsia.
-var PrepareForTestOnFuchsia = android.GroupFixturePreparers(
-	// Place the default cc test modules for fuschia in a location that will not conflict with default
-	// test modules defined by other packages.
-	android.FixtureAddTextFile("defaults/cc/fuschia/Android.bp", withFuchsiaModules()),
-	android.PrepareForTestSetDeviceToFuchsia,
-)
-
 // This adds some additional modules and singletons which might negatively impact the performance
 // of tests so they are not included in the PrepareForIntegrationTestWithCc.
 var PrepareForTestWithCcIncludeVndk = android.GroupFixturePreparers(
 	PrepareForIntegrationTestWithCc,
 	android.FixtureRegisterWithContext(func(ctx android.RegistrationContext) {
-		VendorSnapshotImageSingleton.Init(ctx)
-		recoverySnapshotImageSingleton.init(ctx)
+		snapshot.VendorSnapshotImageSingleton.Init(ctx)
+		snapshot.RecoverySnapshotImageSingleton.Init(ctx)
+		RegisterVendorSnapshotModules(ctx)
+		RegisterRecoverySnapshotModules(ctx)
 		ctx.RegisterSingletonType("vndk-snapshot", VndkSnapshotSingleton)
 	}),
 )
@@ -663,14 +661,7 @@
 		mockFS[k] = v
 	}
 
-	var config android.Config
-	if os == android.Fuchsia {
-		panic("Fuchsia not supported use test fixture instead")
-	} else {
-		config = android.TestArchConfig(buildDir, env, bp, mockFS)
-	}
-
-	return config
+	return android.TestArchConfig(buildDir, env, bp, mockFS)
 }
 
 // CreateTestContext is the legacy way of creating a TestContext for testing cc modules.
@@ -687,8 +678,10 @@
 	ctx.RegisterModuleType("filegroup", android.FileGroupFactory)
 	ctx.RegisterModuleType("vndk_prebuilt_shared", VndkPrebuiltSharedFactory)
 
-	VendorSnapshotImageSingleton.Init(ctx)
-	recoverySnapshotImageSingleton.init(ctx)
+	snapshot.VendorSnapshotImageSingleton.Init(ctx)
+	snapshot.RecoverySnapshotImageSingleton.Init(ctx)
+	RegisterVendorSnapshotModules(ctx)
+	RegisterRecoverySnapshotModules(ctx)
 	ctx.RegisterSingletonType("vndk-snapshot", VndkSnapshotSingleton)
 	RegisterVndkLibraryTxtTypes(ctx)
 
diff --git a/cc/util.go b/cc/util.go
index 1220d84..9bba876 100644
--- a/cc/util.go
+++ b/cc/util.go
@@ -21,6 +21,7 @@
 	"strings"
 
 	"android/soong/android"
+	"android/soong/snapshot"
 )
 
 // Efficiently converts a list of include directories to a single string
@@ -126,20 +127,6 @@
 		"ln -sf " + target + " " + filepath.Join(dir, linkName)
 }
 
-func copyFileRule(ctx android.SingletonContext, path android.Path, out string) android.OutputPath {
-	outPath := android.PathForOutput(ctx, out)
-	ctx.Build(pctx, android.BuildParams{
-		Rule:        android.Cp,
-		Input:       path,
-		Output:      outPath,
-		Description: "copy " + path.String() + " -> " + out,
-		Args: map[string]string{
-			"cpFlags": "-f -L",
-		},
-	})
-	return outPath
-}
-
 func combineNoticesRule(ctx android.SingletonContext, paths android.Paths, out string) android.OutputPath {
 	outPath := android.PathForOutput(ctx, out)
 	ctx.Build(pctx, android.BuildParams{
@@ -151,12 +138,6 @@
 	return outPath
 }
 
-func writeStringToFileRule(ctx android.SingletonContext, content, out string) android.OutputPath {
-	outPath := android.PathForOutput(ctx, out)
-	android.WriteFileRule(ctx, outPath, content)
-	return outPath
-}
-
 // Dump a map to a list file as:
 //
 // {key1} {value1}
@@ -172,5 +153,5 @@
 		txtBuilder.WriteString(" ")
 		txtBuilder.WriteString(m[k])
 	}
-	return writeStringToFileRule(ctx, txtBuilder.String(), path)
+	return snapshot.WriteStringToFileRule(ctx, txtBuilder.String(), path)
 }
diff --git a/cc/vendor_snapshot.go b/cc/vendor_snapshot.go
index 003b7c9..ba4d79f 100644
--- a/cc/vendor_snapshot.go
+++ b/cc/vendor_snapshot.go
@@ -13,141 +13,46 @@
 // limitations under the License.
 package cc
 
-// This file contains singletons to capture vendor and recovery snapshot. They consist of prebuilt
-// modules under AOSP so older vendor and recovery can be built with a newer system in a single
-// source tree.
-
 import (
 	"encoding/json"
 	"path/filepath"
-	"sort"
 	"strings"
 
 	"android/soong/android"
+	"android/soong/snapshot"
 )
 
-var vendorSnapshotSingleton = snapshotSingleton{
-	"vendor",
-	"SOONG_VENDOR_SNAPSHOT_ZIP",
-	android.OptionalPath{},
-	true,
-	VendorSnapshotImageSingleton,
-	false, /* fake */
-}
+// This file defines how to capture cc modules into snapshot package.
 
-var vendorFakeSnapshotSingleton = snapshotSingleton{
-	"vendor",
-	"SOONG_VENDOR_FAKE_SNAPSHOT_ZIP",
-	android.OptionalPath{},
-	true,
-	VendorSnapshotImageSingleton,
-	true, /* fake */
-}
-
-var recoverySnapshotSingleton = snapshotSingleton{
-	"recovery",
-	"SOONG_RECOVERY_SNAPSHOT_ZIP",
-	android.OptionalPath{},
-	false,
-	recoverySnapshotImageSingleton,
-	false, /* fake */
-}
-
-func VendorSnapshotSingleton() android.Singleton {
-	return &vendorSnapshotSingleton
-}
-
-func VendorFakeSnapshotSingleton() android.Singleton {
-	return &vendorFakeSnapshotSingleton
-}
-
-func RecoverySnapshotSingleton() android.Singleton {
-	return &recoverySnapshotSingleton
-}
-
-type snapshotSingleton struct {
-	// Name, e.g., "vendor", "recovery", "ramdisk".
-	name string
-
-	// Make variable that points to the snapshot file, e.g.,
-	// "SOONG_RECOVERY_SNAPSHOT_ZIP".
-	makeVar string
-
-	// Path to the snapshot zip file.
-	snapshotZipFile android.OptionalPath
-
-	// Whether the image supports VNDK extension modules.
-	supportsVndkExt bool
-
-	// Implementation of the image interface specific to the image
-	// associated with this snapshot (e.g., specific to the vendor image,
-	// recovery image, etc.).
-	image SnapshotImage
-
-	// Whether this singleton is for fake snapshot or not.
-	// Fake snapshot is a snapshot whose prebuilt binaries and headers are empty.
-	// It is much faster to generate, and can be used to inspect dependencies.
-	fake bool
-}
-
-// Determine if a dir under source tree is an SoC-owned proprietary directory based
-// on vendor snapshot configuration
-// Examples: device/, vendor/
-func isVendorProprietaryPath(dir string, deviceConfig android.DeviceConfig) bool {
-	return VendorSnapshotSingleton().(*snapshotSingleton).image.isProprietaryPath(dir, deviceConfig)
-}
-
-// Determine if a dir under source tree is an SoC-owned proprietary directory based
-// on recovery snapshot configuration
-// Examples: device/, vendor/
-func isRecoveryProprietaryPath(dir string, deviceConfig android.DeviceConfig) bool {
-	return RecoverySnapshotSingleton().(*snapshotSingleton).image.isProprietaryPath(dir, deviceConfig)
-}
-
-func IsVendorProprietaryModule(ctx android.BaseModuleContext) bool {
-	// Any module in a vendor proprietary path is a vendor proprietary
-	// module.
-	if isVendorProprietaryPath(ctx.ModuleDir(), ctx.DeviceConfig()) {
+// Checks if the target image would contain VNDK
+func includeVndk(image snapshot.SnapshotImage) bool {
+	if image.ImageName() == snapshot.VendorSnapshotImageName {
 		return true
 	}
 
-	// However if the module is not in a vendor proprietary path, it may
-	// still be a vendor proprietary module. This happens for cc modules
-	// that are excluded from the vendor snapshot, and it means that the
-	// vendor has assumed control of the framework-provided module.
-	if c, ok := ctx.Module().(LinkableInterface); ok {
-		if c.ExcludeFromVendorSnapshot() {
-			return true
-		}
-	}
-
 	return false
 }
 
-func isRecoveryProprietaryModule(ctx android.BaseModuleContext) bool {
-
-	// Any module in a recovery proprietary path is a recovery proprietary
-	// module.
-	if isRecoveryProprietaryPath(ctx.ModuleDir(), ctx.DeviceConfig()) {
+// Check if the module is VNDK private
+func isPrivate(image snapshot.SnapshotImage, m LinkableInterface) bool {
+	if image.ImageName() == snapshot.VendorSnapshotImageName && m.IsVndkPrivate() {
 		return true
 	}
 
-	// However if the module is not in a recovery proprietary path, it may
-	// still be a recovery proprietary module. This happens for cc modules
-	// that are excluded from the recovery snapshot, and it means that the
-	// vendor has assumed control of the framework-provided module.
+	return false
+}
 
-	if c, ok := ctx.Module().(LinkableInterface); ok {
-		if c.ExcludeFromRecoverySnapshot() {
-			return true
-		}
+// Checks if target image supports VNDK Ext
+func supportsVndkExt(image snapshot.SnapshotImage) bool {
+	if image.ImageName() == snapshot.VendorSnapshotImageName {
+		return true
 	}
 
 	return false
 }
 
 // Determines if the module is a candidate for snapshot.
-func isSnapshotAware(cfg android.DeviceConfig, m LinkableInterface, inProprietaryPath bool, apexInfo android.ApexInfo, image SnapshotImage) bool {
+func isSnapshotAware(cfg android.DeviceConfig, m LinkableInterface, inProprietaryPath bool, apexInfo android.ApexInfo, image snapshot.SnapshotImage) bool {
 	if !m.Enabled() || m.HiddenFromMake() {
 		return false
 	}
@@ -158,12 +63,12 @@
 	}
 	// skip proprietary modules, but (for the vendor snapshot only)
 	// include all VNDK (static)
-	if inProprietaryPath && (!image.includeVndk() || !m.IsVndk()) {
+	if inProprietaryPath && (!includeVndk(image) || !m.IsVndk()) {
 		return false
 	}
 	// If the module would be included based on its path, check to see if
 	// the module is marked to be excluded. If so, skip it.
-	if image.excludeFromSnapshot(m) {
+	if image.ExcludeFromSnapshot(m) {
 		return false
 	}
 	if m.Target().Os.Class != android.Device {
@@ -173,7 +78,7 @@
 		return false
 	}
 	// the module must be installed in target image
-	if !apexInfo.IsForPlatform() || m.IsSnapshotPrebuilt() || !image.inImage(m)() {
+	if !apexInfo.IsForPlatform() || m.IsSnapshotPrebuilt() || !image.InImage(m)() {
 		return false
 	}
 	// skip kernel_headers which always depend on vendor
@@ -203,13 +108,13 @@
 			}
 		}
 		if sanitizable.Static() {
-			return sanitizable.OutputFile().Valid() && !image.private(m)
+			return sanitizable.OutputFile().Valid() && !isPrivate(image, m)
 		}
 		if sanitizable.Shared() || sanitizable.Rlib() {
 			if !sanitizable.OutputFile().Valid() {
 				return false
 			}
-			if image.includeVndk() {
+			if includeVndk(image) {
 				if !sanitizable.IsVndk() {
 					return true
 				}
@@ -256,15 +161,9 @@
 	VintfFragments []string `json:",omitempty"`
 }
 
-func (c *snapshotSingleton) GenerateBuildActions(ctx android.SingletonContext) {
-	if !c.image.shouldGenerateSnapshot(ctx) {
-		return
-	}
-
-	var snapshotOutputs android.Paths
-
+var ccSnapshotAction snapshot.GenerateSnapshotAction = func(s snapshot.SnapshotSingleton, ctx android.SingletonContext, snapshotArchDir string) android.Paths {
 	/*
-		Vendor snapshot zipped artifacts directory structure:
+		Vendor snapshot zipped artifacts directory structure for cc modules:
 		{SNAPSHOT_ARCH}/
 			arch-{TARGET_ARCH}-{TARGET_ARCH_VARIANT}/
 				shared/
@@ -296,13 +195,7 @@
 				(header files of same directory structure with source tree)
 	*/
 
-	snapshotDir := c.name + "-snapshot"
-	if c.fake {
-		// If this is a fake snapshot singleton, place all files under fake/ subdirectory to avoid
-		// collision with real snapshot files
-		snapshotDir = filepath.Join("fake", snapshotDir)
-	}
-	snapshotArchDir := filepath.Join(snapshotDir, ctx.DeviceConfig().DeviceArch())
+	var snapshotOutputs android.Paths
 
 	includeDir := filepath.Join(snapshotArchDir, "include")
 	configsDir := filepath.Join(snapshotArchDir, "configs")
@@ -317,9 +210,9 @@
 		if fake {
 			// All prebuilt binaries and headers are installed by copyFile function. This makes a fake
 			// snapshot just touch prebuilts and headers, rather than installing real files.
-			return writeStringToFileRule(ctx, "", out)
+			return snapshot.WriteStringToFileRule(ctx, "", out)
 		} else {
-			return copyFileRule(ctx, path, out)
+			return snapshot.CopyFileRule(pctx, ctx, path, out)
 		}
 	}
 
@@ -337,7 +230,7 @@
 
 		// Common properties among snapshots.
 		prop.ModuleName = ctx.ModuleName(m)
-		if c.supportsVndkExt && m.IsVndkExt() {
+		if supportsVndkExt(s.Image) && m.IsVndkExt() {
 			// vndk exts are installed to /vendor/lib(64)?/vndk(-sp)?
 			if m.IsVndkSp() {
 				prop.RelativeInstallPath = "vndk-sp"
@@ -457,7 +350,7 @@
 			ctx.Errorf("json marshal to %q failed: %#v", propOut, err)
 			return nil
 		}
-		ret = append(ret, writeStringToFileRule(ctx, string(j), propOut))
+		ret = append(ret, snapshot.WriteStringToFileRule(ctx, string(j), propOut))
 
 		return ret
 	}
@@ -469,10 +362,10 @@
 		}
 
 		moduleDir := ctx.ModuleDir(module)
-		inProprietaryPath := c.image.isProprietaryPath(moduleDir, ctx.DeviceConfig())
+		inProprietaryPath := s.Image.IsProprietaryPath(moduleDir, ctx.DeviceConfig())
 		apexInfo := ctx.ModuleProvider(module, android.ApexInfoProvider).(android.ApexInfo)
 
-		if c.image.excludeFromSnapshot(m) {
+		if s.Image.ExcludeFromSnapshot(m) {
 			if inProprietaryPath {
 				// Error: exclude_from_vendor_snapshot applies
 				// to framework-path modules only.
@@ -481,7 +374,7 @@
 			}
 		}
 
-		if !isSnapshotAware(ctx.DeviceConfig(), m, inProprietaryPath, apexInfo, c.image) {
+		if !isSnapshotAware(ctx.DeviceConfig(), m, inProprietaryPath, apexInfo, s.Image) {
 			return
 		}
 
@@ -489,8 +382,8 @@
 		// list, we will still include the module as if it was a fake module.
 		// The reason is that soong needs all the dependencies to be present, even
 		// if they are not using during the build.
-		installAsFake := c.fake
-		if c.image.excludeFromDirectedSnapshot(ctx.DeviceConfig(), m.BaseModuleName()) {
+		installAsFake := s.Fake
+		if s.Image.ExcludeFromDirectedSnapshot(ctx.DeviceConfig(), m.BaseModuleName()) {
 			installAsFake = true
 		}
 
@@ -514,47 +407,12 @@
 
 	// install all headers after removing duplicates
 	for _, header := range android.FirstUniquePaths(headers) {
-		snapshotOutputs = append(snapshotOutputs, copyFile(ctx, header, filepath.Join(includeDir, header.String()), c.fake))
+		snapshotOutputs = append(snapshotOutputs, copyFile(ctx, header, filepath.Join(includeDir, header.String()), s.Fake))
 	}
 
-	// All artifacts are ready. Sort them to normalize ninja and then zip.
-	sort.Slice(snapshotOutputs, func(i, j int) bool {
-		return snapshotOutputs[i].String() < snapshotOutputs[j].String()
-	})
-
-	zipPath := android.PathForOutput(
-		ctx,
-		snapshotDir,
-		c.name+"-"+ctx.Config().DeviceName()+".zip")
-	zipRule := android.NewRuleBuilder(pctx, ctx)
-
-	// filenames in rspfile from FlagWithRspFileInputList might be single-quoted. Remove it with tr
-	snapshotOutputList := android.PathForOutput(
-		ctx,
-		snapshotDir,
-		c.name+"-"+ctx.Config().DeviceName()+"_list")
-	rspFile := snapshotOutputList.ReplaceExtension(ctx, "rsp")
-	zipRule.Command().
-		Text("tr").
-		FlagWithArg("-d ", "\\'").
-		FlagWithRspFileInputList("< ", rspFile, snapshotOutputs).
-		FlagWithOutput("> ", snapshotOutputList)
-
-	zipRule.Temporary(snapshotOutputList)
-
-	zipRule.Command().
-		BuiltTool("soong_zip").
-		FlagWithOutput("-o ", zipPath).
-		FlagWithArg("-C ", android.PathForOutput(ctx, snapshotDir).String()).
-		FlagWithInput("-l ", snapshotOutputList)
-
-	zipRule.Build(zipPath.String(), c.name+" snapshot "+zipPath.String())
-	zipRule.DeleteTemporaryFiles()
-	c.snapshotZipFile = android.OptionalPathForPath(zipPath)
+	return snapshotOutputs
 }
 
-func (c *snapshotSingleton) MakeVars(ctx android.MakeVarsContext) {
-	ctx.Strict(
-		c.makeVar,
-		c.snapshotZipFile.String())
+func init() {
+	snapshot.RegisterSnapshotAction(ccSnapshotAction)
 }
diff --git a/cc/vendor_snapshot_test.go b/cc/vendor_snapshot_test.go
index ceffb29..ca2f569 100644
--- a/cc/vendor_snapshot_test.go
+++ b/cc/vendor_snapshot_test.go
@@ -459,6 +459,19 @@
 		srcs: ["client.cpp"],
 	}
 
+	cc_library_shared {
+		name: "libvndkext",
+		vendor: true,
+		nocrt: true,
+		no_libcrt: true,
+		stl: "none",
+		system_shared_libs: [],
+		vndk: {
+			extends: "libvndk",
+			enabled: true,
+		}
+	}
+
 	cc_binary {
 		name: "bin_without_snapshot",
 		vendor: true,
diff --git a/cc/vndk.go b/cc/vndk.go
index 499d428..1ae79de 100644
--- a/cc/vndk.go
+++ b/cc/vndk.go
@@ -25,6 +25,7 @@
 	"android/soong/android"
 	"android/soong/cc/config"
 	"android/soong/etc"
+	"android/soong/snapshot"
 
 	"github.com/google/blueprint"
 )
@@ -698,7 +699,7 @@
 
 		libPath := m.outputFile.Path()
 		snapshotLibOut := filepath.Join(snapshotArchDir, targetArch, "shared", vndkType, libPath.Base())
-		ret = append(ret, copyFileRule(ctx, libPath, snapshotLibOut))
+		ret = append(ret, snapshot.CopyFileRule(pctx, ctx, libPath, snapshotLibOut))
 
 		if ctx.Config().VndkSnapshotBuildArtifacts() {
 			prop := struct {
@@ -720,7 +721,7 @@
 				ctx.Errorf("json marshal to %q failed: %#v", propOut, err)
 				return nil, false
 			}
-			ret = append(ret, writeStringToFileRule(ctx, string(j), propOut))
+			ret = append(ret, snapshot.WriteStringToFileRule(ctx, string(j), propOut))
 		}
 		return ret, true
 	}
@@ -778,8 +779,8 @@
 
 	// install all headers after removing duplicates
 	for _, header := range android.FirstUniquePaths(headers) {
-		snapshotOutputs = append(snapshotOutputs, copyFileRule(
-			ctx, header, filepath.Join(includeDir, header.String())))
+		snapshotOutputs = append(snapshotOutputs, snapshot.CopyFileRule(
+			pctx, ctx, header, filepath.Join(includeDir, header.String())))
 	}
 
 	// install *.libraries.txt except vndkcorevariant.libraries.txt
@@ -788,8 +789,8 @@
 		if !ok || !m.Enabled() || m.Name() == vndkUsingCoreVariantLibrariesTxt {
 			return
 		}
-		snapshotOutputs = append(snapshotOutputs, copyFileRule(
-			ctx, m.OutputFile(), filepath.Join(configsDir, m.Name())))
+		snapshotOutputs = append(snapshotOutputs, snapshot.CopyFileRule(
+			pctx, ctx, m.OutputFile(), filepath.Join(configsDir, m.Name())))
 	})
 
 	/*
diff --git a/cmd/extract_apks/Android.bp b/cmd/extract_apks/Android.bp
index 8a4ed63..21064c0 100644
--- a/cmd/extract_apks/Android.bp
+++ b/cmd/extract_apks/Android.bp
@@ -8,6 +8,7 @@
     deps: [
         "android-archive-zip",
         "golang-protobuf-proto",
+        "golang-protobuf-encoding-prototext",
         "soong-cmd-extract_apks-proto",
     ],
     testSrcs: ["main_test.go"],
@@ -16,7 +17,10 @@
 bootstrap_go_package {
     name: "soong-cmd-extract_apks-proto",
     pkgPath: "android/soong/cmd/extract_apks/bundle_proto",
-    deps: ["golang-protobuf-proto"],
+    deps: [
+        "golang-protobuf-reflect-protoreflect",
+        "golang-protobuf-runtime-protoimpl",
+    ],
     srcs: [
         "bundle_proto/commands.pb.go",
         "bundle_proto/config.pb.go",
diff --git a/cmd/extract_apks/bundle_proto/commands.pb.go b/cmd/extract_apks/bundle_proto/commands.pb.go
index bbf3314..2cf8e6d 100644
--- a/cmd/extract_apks/bundle_proto/commands.pb.go
+++ b/cmd/extract_apks/bundle_proto/commands.pb.go
@@ -1,24 +1,29 @@
+// Messages describing APK Set's table of contents (toc.pb entry).
+// Please be advised that the ultimate source is at
+// https://github.com/google/bundletool/tree/master/src/main/proto
+// so you have been warned.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.9.1
 // source: commands.proto
 
-package android_bundle_proto
+package bundle_proto
 
 import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
 
 type DeliveryType int32
 
@@ -29,26 +34,47 @@
 	DeliveryType_FAST_FOLLOW           DeliveryType = 3
 )
 
-var DeliveryType_name = map[int32]string{
-	0: "UNKNOWN_DELIVERY_TYPE",
-	1: "INSTALL_TIME",
-	2: "ON_DEMAND",
-	3: "FAST_FOLLOW",
-}
+// Enum value maps for DeliveryType.
+var (
+	DeliveryType_name = map[int32]string{
+		0: "UNKNOWN_DELIVERY_TYPE",
+		1: "INSTALL_TIME",
+		2: "ON_DEMAND",
+		3: "FAST_FOLLOW",
+	}
+	DeliveryType_value = map[string]int32{
+		"UNKNOWN_DELIVERY_TYPE": 0,
+		"INSTALL_TIME":          1,
+		"ON_DEMAND":             2,
+		"FAST_FOLLOW":           3,
+	}
+)
 
-var DeliveryType_value = map[string]int32{
-	"UNKNOWN_DELIVERY_TYPE": 0,
-	"INSTALL_TIME":          1,
-	"ON_DEMAND":             2,
-	"FAST_FOLLOW":           3,
+func (x DeliveryType) Enum() *DeliveryType {
+	p := new(DeliveryType)
+	*p = x
+	return p
 }
 
 func (x DeliveryType) String() string {
-	return proto.EnumName(DeliveryType_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
+func (DeliveryType) Descriptor() protoreflect.EnumDescriptor {
+	return file_commands_proto_enumTypes[0].Descriptor()
+}
+
+func (DeliveryType) Type() protoreflect.EnumType {
+	return &file_commands_proto_enumTypes[0]
+}
+
+func (x DeliveryType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use DeliveryType.Descriptor instead.
 func (DeliveryType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{0}
+	return file_commands_proto_rawDescGZIP(), []int{0}
 }
 
 type SystemApkMetadata_SystemApkType int32
@@ -64,30 +90,55 @@
 	SystemApkMetadata_SYSTEM_COMPRESSED SystemApkMetadata_SystemApkType = 3
 )
 
-var SystemApkMetadata_SystemApkType_name = map[int32]string{
-	0: "UNSPECIFIED_VALUE",
-	1: "SYSTEM",
-	2: "SYSTEM_STUB",
-	3: "SYSTEM_COMPRESSED",
-}
+// Enum value maps for SystemApkMetadata_SystemApkType.
+var (
+	SystemApkMetadata_SystemApkType_name = map[int32]string{
+		0: "UNSPECIFIED_VALUE",
+		1: "SYSTEM",
+		2: "SYSTEM_STUB",
+		3: "SYSTEM_COMPRESSED",
+	}
+	SystemApkMetadata_SystemApkType_value = map[string]int32{
+		"UNSPECIFIED_VALUE": 0,
+		"SYSTEM":            1,
+		"SYSTEM_STUB":       2,
+		"SYSTEM_COMPRESSED": 3,
+	}
+)
 
-var SystemApkMetadata_SystemApkType_value = map[string]int32{
-	"UNSPECIFIED_VALUE": 0,
-	"SYSTEM":            1,
-	"SYSTEM_STUB":       2,
-	"SYSTEM_COMPRESSED": 3,
+func (x SystemApkMetadata_SystemApkType) Enum() *SystemApkMetadata_SystemApkType {
+	p := new(SystemApkMetadata_SystemApkType)
+	*p = x
+	return p
 }
 
 func (x SystemApkMetadata_SystemApkType) String() string {
-	return proto.EnumName(SystemApkMetadata_SystemApkType_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
+func (SystemApkMetadata_SystemApkType) Descriptor() protoreflect.EnumDescriptor {
+	return file_commands_proto_enumTypes[1].Descriptor()
+}
+
+func (SystemApkMetadata_SystemApkType) Type() protoreflect.EnumType {
+	return &file_commands_proto_enumTypes[1]
+}
+
+func (x SystemApkMetadata_SystemApkType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use SystemApkMetadata_SystemApkType.Descriptor instead.
 func (SystemApkMetadata_SystemApkType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{10, 0}
+	return file_commands_proto_rawDescGZIP(), []int{10, 0}
 }
 
 // Describes the output of the "build-apks" command.
 type BuildApksResult struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// The package name of this app.
 	PackageName string `protobuf:"bytes,4,opt,name=package_name,json=packageName,proto3" json:"package_name,omitempty"`
 	// List of the created variants.
@@ -97,68 +148,72 @@
 	// List of the created asset slices.
 	AssetSliceSet []*AssetSliceSet `protobuf:"bytes,3,rep,name=asset_slice_set,json=assetSliceSet,proto3" json:"asset_slice_set,omitempty"`
 	// Information about local testing mode.
-	LocalTestingInfo     *LocalTestingInfo `protobuf:"bytes,5,opt,name=local_testing_info,json=localTestingInfo,proto3" json:"local_testing_info,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
-	XXX_unrecognized     []byte            `json:"-"`
-	XXX_sizecache        int32             `json:"-"`
+	LocalTestingInfo *LocalTestingInfo `protobuf:"bytes,5,opt,name=local_testing_info,json=localTestingInfo,proto3" json:"local_testing_info,omitempty"`
 }
 
-func (m *BuildApksResult) Reset()         { *m = BuildApksResult{} }
-func (m *BuildApksResult) String() string { return proto.CompactTextString(m) }
-func (*BuildApksResult) ProtoMessage()    {}
+func (x *BuildApksResult) Reset() {
+	*x = BuildApksResult{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BuildApksResult) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BuildApksResult) ProtoMessage() {}
+
+func (x *BuildApksResult) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_proto_msgTypes[0]
+	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 BuildApksResult.ProtoReflect.Descriptor instead.
 func (*BuildApksResult) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{0}
+	return file_commands_proto_rawDescGZIP(), []int{0}
 }
 
-func (m *BuildApksResult) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_BuildApksResult.Unmarshal(m, b)
-}
-func (m *BuildApksResult) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_BuildApksResult.Marshal(b, m, deterministic)
-}
-func (m *BuildApksResult) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_BuildApksResult.Merge(m, src)
-}
-func (m *BuildApksResult) XXX_Size() int {
-	return xxx_messageInfo_BuildApksResult.Size(m)
-}
-func (m *BuildApksResult) XXX_DiscardUnknown() {
-	xxx_messageInfo_BuildApksResult.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_BuildApksResult proto.InternalMessageInfo
-
-func (m *BuildApksResult) GetPackageName() string {
-	if m != nil {
-		return m.PackageName
+func (x *BuildApksResult) GetPackageName() string {
+	if x != nil {
+		return x.PackageName
 	}
 	return ""
 }
 
-func (m *BuildApksResult) GetVariant() []*Variant {
-	if m != nil {
-		return m.Variant
+func (x *BuildApksResult) GetVariant() []*Variant {
+	if x != nil {
+		return x.Variant
 	}
 	return nil
 }
 
-func (m *BuildApksResult) GetBundletool() *Bundletool {
-	if m != nil {
-		return m.Bundletool
+func (x *BuildApksResult) GetBundletool() *Bundletool {
+	if x != nil {
+		return x.Bundletool
 	}
 	return nil
 }
 
-func (m *BuildApksResult) GetAssetSliceSet() []*AssetSliceSet {
-	if m != nil {
-		return m.AssetSliceSet
+func (x *BuildApksResult) GetAssetSliceSet() []*AssetSliceSet {
+	if x != nil {
+		return x.AssetSliceSet
 	}
 	return nil
 }
 
-func (m *BuildApksResult) GetLocalTestingInfo() *LocalTestingInfo {
-	if m != nil {
-		return m.LocalTestingInfo
+func (x *BuildApksResult) GetLocalTestingInfo() *LocalTestingInfo {
+	if x != nil {
+		return x.LocalTestingInfo
 	}
 	return nil
 }
@@ -166,6 +221,10 @@
 // Variant is a group of APKs that covers a part of the device configuration
 // space. APKs from multiple variants are never combined on one device.
 type Variant struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Variant-level targeting.
 	// This targeting is fairly high-level and each APK has its own targeting as
 	// well.
@@ -176,54 +235,58 @@
 	// A device will receive APKs from the first variant that matches the device
 	// configuration, with higher variant numbers having priority over lower
 	// variant numbers.
-	VariantNumber        uint32   `protobuf:"varint,3,opt,name=variant_number,json=variantNumber,proto3" json:"variant_number,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	VariantNumber uint32 `protobuf:"varint,3,opt,name=variant_number,json=variantNumber,proto3" json:"variant_number,omitempty"`
 }
 
-func (m *Variant) Reset()         { *m = Variant{} }
-func (m *Variant) String() string { return proto.CompactTextString(m) }
-func (*Variant) ProtoMessage()    {}
+func (x *Variant) Reset() {
+	*x = Variant{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Variant) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Variant) ProtoMessage() {}
+
+func (x *Variant) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_proto_msgTypes[1]
+	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 Variant.ProtoReflect.Descriptor instead.
 func (*Variant) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{1}
+	return file_commands_proto_rawDescGZIP(), []int{1}
 }
 
-func (m *Variant) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Variant.Unmarshal(m, b)
-}
-func (m *Variant) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Variant.Marshal(b, m, deterministic)
-}
-func (m *Variant) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Variant.Merge(m, src)
-}
-func (m *Variant) XXX_Size() int {
-	return xxx_messageInfo_Variant.Size(m)
-}
-func (m *Variant) XXX_DiscardUnknown() {
-	xxx_messageInfo_Variant.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Variant proto.InternalMessageInfo
-
-func (m *Variant) GetTargeting() *VariantTargeting {
-	if m != nil {
-		return m.Targeting
+func (x *Variant) GetTargeting() *VariantTargeting {
+	if x != nil {
+		return x.Targeting
 	}
 	return nil
 }
 
-func (m *Variant) GetApkSet() []*ApkSet {
-	if m != nil {
-		return m.ApkSet
+func (x *Variant) GetApkSet() []*ApkSet {
+	if x != nil {
+		return x.ApkSet
 	}
 	return nil
 }
 
-func (m *Variant) GetVariantNumber() uint32 {
-	if m != nil {
-		return m.VariantNumber
+func (x *Variant) GetVariantNumber() uint32 {
+	if x != nil {
+		return x.VariantNumber
 	}
 	return 0
 }
@@ -231,54 +294,66 @@
 // Represents a module.
 // For pre-L devices multiple modules (possibly all) may be merged into one.
 type ApkSet struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	ModuleMetadata *ModuleMetadata `protobuf:"bytes,1,opt,name=module_metadata,json=moduleMetadata,proto3" json:"module_metadata,omitempty"`
 	// APKs.
-	ApkDescription       []*ApkDescription `protobuf:"bytes,2,rep,name=apk_description,json=apkDescription,proto3" json:"apk_description,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
-	XXX_unrecognized     []byte            `json:"-"`
-	XXX_sizecache        int32             `json:"-"`
+	ApkDescription []*ApkDescription `protobuf:"bytes,2,rep,name=apk_description,json=apkDescription,proto3" json:"apk_description,omitempty"`
 }
 
-func (m *ApkSet) Reset()         { *m = ApkSet{} }
-func (m *ApkSet) String() string { return proto.CompactTextString(m) }
-func (*ApkSet) ProtoMessage()    {}
+func (x *ApkSet) Reset() {
+	*x = ApkSet{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ApkSet) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ApkSet) ProtoMessage() {}
+
+func (x *ApkSet) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_proto_msgTypes[2]
+	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 ApkSet.ProtoReflect.Descriptor instead.
 func (*ApkSet) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{2}
+	return file_commands_proto_rawDescGZIP(), []int{2}
 }
 
-func (m *ApkSet) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ApkSet.Unmarshal(m, b)
-}
-func (m *ApkSet) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ApkSet.Marshal(b, m, deterministic)
-}
-func (m *ApkSet) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ApkSet.Merge(m, src)
-}
-func (m *ApkSet) XXX_Size() int {
-	return xxx_messageInfo_ApkSet.Size(m)
-}
-func (m *ApkSet) XXX_DiscardUnknown() {
-	xxx_messageInfo_ApkSet.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ApkSet proto.InternalMessageInfo
-
-func (m *ApkSet) GetModuleMetadata() *ModuleMetadata {
-	if m != nil {
-		return m.ModuleMetadata
+func (x *ApkSet) GetModuleMetadata() *ModuleMetadata {
+	if x != nil {
+		return x.ModuleMetadata
 	}
 	return nil
 }
 
-func (m *ApkSet) GetApkDescription() []*ApkDescription {
-	if m != nil {
-		return m.ApkDescription
+func (x *ApkSet) GetApkDescription() []*ApkDescription {
+	if x != nil {
+		return x.ApkDescription
 	}
 	return nil
 }
 
 type ModuleMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Module name.
 	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
 	// Indicates the delivery type (e.g. on-demand) of the module.
@@ -292,131 +367,149 @@
 	// Relevant only for Split APKs.
 	Targeting *ModuleTargeting `protobuf:"bytes,5,opt,name=targeting,proto3" json:"targeting,omitempty"`
 	// Deprecated. Please use delivery_type.
-	OnDemandDeprecated   bool     `protobuf:"varint,2,opt,name=on_demand_deprecated,json=onDemandDeprecated,proto3" json:"on_demand_deprecated,omitempty"` // Deprecated: Do not use.
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	//
+	// Deprecated: Do not use.
+	OnDemandDeprecated bool `protobuf:"varint,2,opt,name=on_demand_deprecated,json=onDemandDeprecated,proto3" json:"on_demand_deprecated,omitempty"`
 }
 
-func (m *ModuleMetadata) Reset()         { *m = ModuleMetadata{} }
-func (m *ModuleMetadata) String() string { return proto.CompactTextString(m) }
-func (*ModuleMetadata) ProtoMessage()    {}
+func (x *ModuleMetadata) Reset() {
+	*x = ModuleMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ModuleMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ModuleMetadata) ProtoMessage() {}
+
+func (x *ModuleMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_proto_msgTypes[3]
+	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 ModuleMetadata.ProtoReflect.Descriptor instead.
 func (*ModuleMetadata) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{3}
+	return file_commands_proto_rawDescGZIP(), []int{3}
 }
 
-func (m *ModuleMetadata) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ModuleMetadata.Unmarshal(m, b)
-}
-func (m *ModuleMetadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ModuleMetadata.Marshal(b, m, deterministic)
-}
-func (m *ModuleMetadata) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ModuleMetadata.Merge(m, src)
-}
-func (m *ModuleMetadata) XXX_Size() int {
-	return xxx_messageInfo_ModuleMetadata.Size(m)
-}
-func (m *ModuleMetadata) XXX_DiscardUnknown() {
-	xxx_messageInfo_ModuleMetadata.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ModuleMetadata proto.InternalMessageInfo
-
-func (m *ModuleMetadata) GetName() string {
-	if m != nil {
-		return m.Name
+func (x *ModuleMetadata) GetName() string {
+	if x != nil {
+		return x.Name
 	}
 	return ""
 }
 
-func (m *ModuleMetadata) GetDeliveryType() DeliveryType {
-	if m != nil {
-		return m.DeliveryType
+func (x *ModuleMetadata) GetDeliveryType() DeliveryType {
+	if x != nil {
+		return x.DeliveryType
 	}
 	return DeliveryType_UNKNOWN_DELIVERY_TYPE
 }
 
-func (m *ModuleMetadata) GetIsInstant() bool {
-	if m != nil {
-		return m.IsInstant
+func (x *ModuleMetadata) GetIsInstant() bool {
+	if x != nil {
+		return x.IsInstant
 	}
 	return false
 }
 
-func (m *ModuleMetadata) GetDependencies() []string {
-	if m != nil {
-		return m.Dependencies
+func (x *ModuleMetadata) GetDependencies() []string {
+	if x != nil {
+		return x.Dependencies
 	}
 	return nil
 }
 
-func (m *ModuleMetadata) GetTargeting() *ModuleTargeting {
-	if m != nil {
-		return m.Targeting
+func (x *ModuleMetadata) GetTargeting() *ModuleTargeting {
+	if x != nil {
+		return x.Targeting
 	}
 	return nil
 }
 
 // Deprecated: Do not use.
-func (m *ModuleMetadata) GetOnDemandDeprecated() bool {
-	if m != nil {
-		return m.OnDemandDeprecated
+func (x *ModuleMetadata) GetOnDemandDeprecated() bool {
+	if x != nil {
+		return x.OnDemandDeprecated
 	}
 	return false
 }
 
 // Set of asset slices belonging to a single asset module.
 type AssetSliceSet struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Module level metadata.
 	AssetModuleMetadata *AssetModuleMetadata `protobuf:"bytes,1,opt,name=asset_module_metadata,json=assetModuleMetadata,proto3" json:"asset_module_metadata,omitempty"`
 	// Asset slices.
-	ApkDescription       []*ApkDescription `protobuf:"bytes,2,rep,name=apk_description,json=apkDescription,proto3" json:"apk_description,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
-	XXX_unrecognized     []byte            `json:"-"`
-	XXX_sizecache        int32             `json:"-"`
+	ApkDescription []*ApkDescription `protobuf:"bytes,2,rep,name=apk_description,json=apkDescription,proto3" json:"apk_description,omitempty"`
 }
 
-func (m *AssetSliceSet) Reset()         { *m = AssetSliceSet{} }
-func (m *AssetSliceSet) String() string { return proto.CompactTextString(m) }
-func (*AssetSliceSet) ProtoMessage()    {}
+func (x *AssetSliceSet) Reset() {
+	*x = AssetSliceSet{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AssetSliceSet) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetSliceSet) ProtoMessage() {}
+
+func (x *AssetSliceSet) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_proto_msgTypes[4]
+	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 AssetSliceSet.ProtoReflect.Descriptor instead.
 func (*AssetSliceSet) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{4}
+	return file_commands_proto_rawDescGZIP(), []int{4}
 }
 
-func (m *AssetSliceSet) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_AssetSliceSet.Unmarshal(m, b)
-}
-func (m *AssetSliceSet) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_AssetSliceSet.Marshal(b, m, deterministic)
-}
-func (m *AssetSliceSet) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_AssetSliceSet.Merge(m, src)
-}
-func (m *AssetSliceSet) XXX_Size() int {
-	return xxx_messageInfo_AssetSliceSet.Size(m)
-}
-func (m *AssetSliceSet) XXX_DiscardUnknown() {
-	xxx_messageInfo_AssetSliceSet.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_AssetSliceSet proto.InternalMessageInfo
-
-func (m *AssetSliceSet) GetAssetModuleMetadata() *AssetModuleMetadata {
-	if m != nil {
-		return m.AssetModuleMetadata
+func (x *AssetSliceSet) GetAssetModuleMetadata() *AssetModuleMetadata {
+	if x != nil {
+		return x.AssetModuleMetadata
 	}
 	return nil
 }
 
-func (m *AssetSliceSet) GetApkDescription() []*ApkDescription {
-	if m != nil {
-		return m.ApkDescription
+func (x *AssetSliceSet) GetApkDescription() []*ApkDescription {
+	if x != nil {
+		return x.ApkDescription
 	}
 	return nil
 }
 
 type AssetModuleMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Module name.
 	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
 	// Indicates the delivery type for persistent install.
@@ -424,133 +517,153 @@
 	// Metadata for instant installs.
 	InstantMetadata *InstantMetadata `protobuf:"bytes,3,opt,name=instant_metadata,json=instantMetadata,proto3" json:"instant_metadata,omitempty"`
 	// Deprecated. Use delivery_type.
-	OnDemandDeprecated   bool     `protobuf:"varint,2,opt,name=on_demand_deprecated,json=onDemandDeprecated,proto3" json:"on_demand_deprecated,omitempty"` // Deprecated: Do not use.
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	//
+	// Deprecated: Do not use.
+	OnDemandDeprecated bool `protobuf:"varint,2,opt,name=on_demand_deprecated,json=onDemandDeprecated,proto3" json:"on_demand_deprecated,omitempty"`
 }
 
-func (m *AssetModuleMetadata) Reset()         { *m = AssetModuleMetadata{} }
-func (m *AssetModuleMetadata) String() string { return proto.CompactTextString(m) }
-func (*AssetModuleMetadata) ProtoMessage()    {}
+func (x *AssetModuleMetadata) Reset() {
+	*x = AssetModuleMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AssetModuleMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetModuleMetadata) ProtoMessage() {}
+
+func (x *AssetModuleMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_proto_msgTypes[5]
+	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 AssetModuleMetadata.ProtoReflect.Descriptor instead.
 func (*AssetModuleMetadata) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{5}
+	return file_commands_proto_rawDescGZIP(), []int{5}
 }
 
-func (m *AssetModuleMetadata) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_AssetModuleMetadata.Unmarshal(m, b)
-}
-func (m *AssetModuleMetadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_AssetModuleMetadata.Marshal(b, m, deterministic)
-}
-func (m *AssetModuleMetadata) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_AssetModuleMetadata.Merge(m, src)
-}
-func (m *AssetModuleMetadata) XXX_Size() int {
-	return xxx_messageInfo_AssetModuleMetadata.Size(m)
-}
-func (m *AssetModuleMetadata) XXX_DiscardUnknown() {
-	xxx_messageInfo_AssetModuleMetadata.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_AssetModuleMetadata proto.InternalMessageInfo
-
-func (m *AssetModuleMetadata) GetName() string {
-	if m != nil {
-		return m.Name
+func (x *AssetModuleMetadata) GetName() string {
+	if x != nil {
+		return x.Name
 	}
 	return ""
 }
 
-func (m *AssetModuleMetadata) GetDeliveryType() DeliveryType {
-	if m != nil {
-		return m.DeliveryType
+func (x *AssetModuleMetadata) GetDeliveryType() DeliveryType {
+	if x != nil {
+		return x.DeliveryType
 	}
 	return DeliveryType_UNKNOWN_DELIVERY_TYPE
 }
 
-func (m *AssetModuleMetadata) GetInstantMetadata() *InstantMetadata {
-	if m != nil {
-		return m.InstantMetadata
+func (x *AssetModuleMetadata) GetInstantMetadata() *InstantMetadata {
+	if x != nil {
+		return x.InstantMetadata
 	}
 	return nil
 }
 
 // Deprecated: Do not use.
-func (m *AssetModuleMetadata) GetOnDemandDeprecated() bool {
-	if m != nil {
-		return m.OnDemandDeprecated
+func (x *AssetModuleMetadata) GetOnDemandDeprecated() bool {
+	if x != nil {
+		return x.OnDemandDeprecated
 	}
 	return false
 }
 
 type InstantMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Indicates whether this module is marked "instant".
 	IsInstant bool `protobuf:"varint,1,opt,name=is_instant,json=isInstant,proto3" json:"is_instant,omitempty"`
 	// Indicates the delivery type for instant install.
 	DeliveryType DeliveryType `protobuf:"varint,3,opt,name=delivery_type,json=deliveryType,proto3,enum=android.bundle.DeliveryType" json:"delivery_type,omitempty"`
 	// Deprecated. Use delivery_type.
-	OnDemandDeprecated   bool     `protobuf:"varint,2,opt,name=on_demand_deprecated,json=onDemandDeprecated,proto3" json:"on_demand_deprecated,omitempty"` // Deprecated: Do not use.
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	//
+	// Deprecated: Do not use.
+	OnDemandDeprecated bool `protobuf:"varint,2,opt,name=on_demand_deprecated,json=onDemandDeprecated,proto3" json:"on_demand_deprecated,omitempty"`
 }
 
-func (m *InstantMetadata) Reset()         { *m = InstantMetadata{} }
-func (m *InstantMetadata) String() string { return proto.CompactTextString(m) }
-func (*InstantMetadata) ProtoMessage()    {}
+func (x *InstantMetadata) Reset() {
+	*x = InstantMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *InstantMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*InstantMetadata) ProtoMessage() {}
+
+func (x *InstantMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_proto_msgTypes[6]
+	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 InstantMetadata.ProtoReflect.Descriptor instead.
 func (*InstantMetadata) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{6}
+	return file_commands_proto_rawDescGZIP(), []int{6}
 }
 
-func (m *InstantMetadata) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_InstantMetadata.Unmarshal(m, b)
-}
-func (m *InstantMetadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_InstantMetadata.Marshal(b, m, deterministic)
-}
-func (m *InstantMetadata) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_InstantMetadata.Merge(m, src)
-}
-func (m *InstantMetadata) XXX_Size() int {
-	return xxx_messageInfo_InstantMetadata.Size(m)
-}
-func (m *InstantMetadata) XXX_DiscardUnknown() {
-	xxx_messageInfo_InstantMetadata.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_InstantMetadata proto.InternalMessageInfo
-
-func (m *InstantMetadata) GetIsInstant() bool {
-	if m != nil {
-		return m.IsInstant
+func (x *InstantMetadata) GetIsInstant() bool {
+	if x != nil {
+		return x.IsInstant
 	}
 	return false
 }
 
-func (m *InstantMetadata) GetDeliveryType() DeliveryType {
-	if m != nil {
-		return m.DeliveryType
+func (x *InstantMetadata) GetDeliveryType() DeliveryType {
+	if x != nil {
+		return x.DeliveryType
 	}
 	return DeliveryType_UNKNOWN_DELIVERY_TYPE
 }
 
 // Deprecated: Do not use.
-func (m *InstantMetadata) GetOnDemandDeprecated() bool {
-	if m != nil {
-		return m.OnDemandDeprecated
+func (x *InstantMetadata) GetOnDemandDeprecated() bool {
+	if x != nil {
+		return x.OnDemandDeprecated
 	}
 	return false
 }
 
 type ApkDescription struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Targeting *ApkTargeting `protobuf:"bytes,1,opt,name=targeting,proto3" json:"targeting,omitempty"`
 	// Path to the APK file.
 	// BEGIN-INTERNAL
 	// The path may be a blobkey if the proto is not constructed by bundletool.
 	// END-INTERNAL
 	Path string `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
-	// Types that are valid to be assigned to ApkMetadataOneofValue:
+	// Types that are assignable to ApkMetadataOneofValue:
 	//	*ApkDescription_SplitApkMetadata
 	//	*ApkDescription_StandaloneApkMetadata
 	//	*ApkDescription_InstantApkMetadata
@@ -558,75 +671,134 @@
 	//	*ApkDescription_AssetSliceMetadata
 	//	*ApkDescription_ApexApkMetadata
 	ApkMetadataOneofValue isApkDescription_ApkMetadataOneofValue `protobuf_oneof:"apk_metadata_oneof_value"`
-	XXX_NoUnkeyedLiteral  struct{}                               `json:"-"`
-	XXX_unrecognized      []byte                                 `json:"-"`
-	XXX_sizecache         int32                                  `json:"-"`
 }
 
-func (m *ApkDescription) Reset()         { *m = ApkDescription{} }
-func (m *ApkDescription) String() string { return proto.CompactTextString(m) }
-func (*ApkDescription) ProtoMessage()    {}
+func (x *ApkDescription) Reset() {
+	*x = ApkDescription{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ApkDescription) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ApkDescription) ProtoMessage() {}
+
+func (x *ApkDescription) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_proto_msgTypes[7]
+	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 ApkDescription.ProtoReflect.Descriptor instead.
 func (*ApkDescription) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{7}
+	return file_commands_proto_rawDescGZIP(), []int{7}
 }
 
-func (m *ApkDescription) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ApkDescription.Unmarshal(m, b)
-}
-func (m *ApkDescription) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ApkDescription.Marshal(b, m, deterministic)
-}
-func (m *ApkDescription) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ApkDescription.Merge(m, src)
-}
-func (m *ApkDescription) XXX_Size() int {
-	return xxx_messageInfo_ApkDescription.Size(m)
-}
-func (m *ApkDescription) XXX_DiscardUnknown() {
-	xxx_messageInfo_ApkDescription.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ApkDescription proto.InternalMessageInfo
-
-func (m *ApkDescription) GetTargeting() *ApkTargeting {
-	if m != nil {
-		return m.Targeting
+func (x *ApkDescription) GetTargeting() *ApkTargeting {
+	if x != nil {
+		return x.Targeting
 	}
 	return nil
 }
 
-func (m *ApkDescription) GetPath() string {
-	if m != nil {
-		return m.Path
+func (x *ApkDescription) GetPath() string {
+	if x != nil {
+		return x.Path
 	}
 	return ""
 }
 
+func (m *ApkDescription) GetApkMetadataOneofValue() isApkDescription_ApkMetadataOneofValue {
+	if m != nil {
+		return m.ApkMetadataOneofValue
+	}
+	return nil
+}
+
+func (x *ApkDescription) GetSplitApkMetadata() *SplitApkMetadata {
+	if x, ok := x.GetApkMetadataOneofValue().(*ApkDescription_SplitApkMetadata); ok {
+		return x.SplitApkMetadata
+	}
+	return nil
+}
+
+func (x *ApkDescription) GetStandaloneApkMetadata() *StandaloneApkMetadata {
+	if x, ok := x.GetApkMetadataOneofValue().(*ApkDescription_StandaloneApkMetadata); ok {
+		return x.StandaloneApkMetadata
+	}
+	return nil
+}
+
+func (x *ApkDescription) GetInstantApkMetadata() *SplitApkMetadata {
+	if x, ok := x.GetApkMetadataOneofValue().(*ApkDescription_InstantApkMetadata); ok {
+		return x.InstantApkMetadata
+	}
+	return nil
+}
+
+func (x *ApkDescription) GetSystemApkMetadata() *SystemApkMetadata {
+	if x, ok := x.GetApkMetadataOneofValue().(*ApkDescription_SystemApkMetadata); ok {
+		return x.SystemApkMetadata
+	}
+	return nil
+}
+
+func (x *ApkDescription) GetAssetSliceMetadata() *SplitApkMetadata {
+	if x, ok := x.GetApkMetadataOneofValue().(*ApkDescription_AssetSliceMetadata); ok {
+		return x.AssetSliceMetadata
+	}
+	return nil
+}
+
+func (x *ApkDescription) GetApexApkMetadata() *ApexApkMetadata {
+	if x, ok := x.GetApkMetadataOneofValue().(*ApkDescription_ApexApkMetadata); ok {
+		return x.ApexApkMetadata
+	}
+	return nil
+}
+
 type isApkDescription_ApkMetadataOneofValue interface {
 	isApkDescription_ApkMetadataOneofValue()
 }
 
 type ApkDescription_SplitApkMetadata struct {
+	// Set only for Split APKs.
 	SplitApkMetadata *SplitApkMetadata `protobuf:"bytes,3,opt,name=split_apk_metadata,json=splitApkMetadata,proto3,oneof"`
 }
 
 type ApkDescription_StandaloneApkMetadata struct {
+	// Set only for standalone APKs.
 	StandaloneApkMetadata *StandaloneApkMetadata `protobuf:"bytes,4,opt,name=standalone_apk_metadata,json=standaloneApkMetadata,proto3,oneof"`
 }
 
 type ApkDescription_InstantApkMetadata struct {
+	// Set only for Instant split APKs.
 	InstantApkMetadata *SplitApkMetadata `protobuf:"bytes,5,opt,name=instant_apk_metadata,json=instantApkMetadata,proto3,oneof"`
 }
 
 type ApkDescription_SystemApkMetadata struct {
+	// Set only for system APKs.
 	SystemApkMetadata *SystemApkMetadata `protobuf:"bytes,6,opt,name=system_apk_metadata,json=systemApkMetadata,proto3,oneof"`
 }
 
 type ApkDescription_AssetSliceMetadata struct {
+	// Set only for asset slices.
 	AssetSliceMetadata *SplitApkMetadata `protobuf:"bytes,7,opt,name=asset_slice_metadata,json=assetSliceMetadata,proto3,oneof"`
 }
 
 type ApkDescription_ApexApkMetadata struct {
+	// Set only for APEX APKs.
 	ApexApkMetadata *ApexApkMetadata `protobuf:"bytes,8,opt,name=apex_apk_metadata,json=apexApkMetadata,proto3,oneof"`
 }
 
@@ -642,58 +814,708 @@
 
 func (*ApkDescription_ApexApkMetadata) isApkDescription_ApkMetadataOneofValue() {}
 
-func (m *ApkDescription) GetApkMetadataOneofValue() isApkDescription_ApkMetadataOneofValue {
-	if m != nil {
-		return m.ApkMetadataOneofValue
+// Holds data specific to Split APKs.
+type SplitApkMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	SplitId string `protobuf:"bytes,1,opt,name=split_id,json=splitId,proto3" json:"split_id,omitempty"`
+	// Indicates whether this APK is the master split of the module.
+	IsMasterSplit bool `protobuf:"varint,2,opt,name=is_master_split,json=isMasterSplit,proto3" json:"is_master_split,omitempty"`
+}
+
+func (x *SplitApkMetadata) Reset() {
+	*x = SplitApkMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SplitApkMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SplitApkMetadata) ProtoMessage() {}
+
+func (x *SplitApkMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_proto_msgTypes[8]
+	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 SplitApkMetadata.ProtoReflect.Descriptor instead.
+func (*SplitApkMetadata) Descriptor() ([]byte, []int) {
+	return file_commands_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *SplitApkMetadata) GetSplitId() string {
+	if x != nil {
+		return x.SplitId
+	}
+	return ""
+}
+
+func (x *SplitApkMetadata) GetIsMasterSplit() bool {
+	if x != nil {
+		return x.IsMasterSplit
+	}
+	return false
+}
+
+// Holds data specific to Standalone APKs.
+type StandaloneApkMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Names of the modules fused in this standalone APK.
+	FusedModuleName []string `protobuf:"bytes,1,rep,name=fused_module_name,json=fusedModuleName,proto3" json:"fused_module_name,omitempty"`
+}
+
+func (x *StandaloneApkMetadata) Reset() {
+	*x = StandaloneApkMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StandaloneApkMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StandaloneApkMetadata) ProtoMessage() {}
+
+func (x *StandaloneApkMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_proto_msgTypes[9]
+	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 StandaloneApkMetadata.ProtoReflect.Descriptor instead.
+func (*StandaloneApkMetadata) Descriptor() ([]byte, []int) {
+	return file_commands_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *StandaloneApkMetadata) GetFusedModuleName() []string {
+	if x != nil {
+		return x.FusedModuleName
 	}
 	return nil
 }
 
-func (m *ApkDescription) GetSplitApkMetadata() *SplitApkMetadata {
-	if x, ok := m.GetApkMetadataOneofValue().(*ApkDescription_SplitApkMetadata); ok {
-		return x.SplitApkMetadata
+// Holds data specific to system APKs.
+type SystemApkMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Names of the modules fused in this system APK.
+	FusedModuleName []string `protobuf:"bytes,1,rep,name=fused_module_name,json=fusedModuleName,proto3" json:"fused_module_name,omitempty"`
+	// Indicates whether the APK is uncompressed system APK, stub APK or
+	// compressed system APK.
+	SystemApkType SystemApkMetadata_SystemApkType `protobuf:"varint,2,opt,name=system_apk_type,json=systemApkType,proto3,enum=android.bundle.SystemApkMetadata_SystemApkType" json:"system_apk_type,omitempty"`
+}
+
+func (x *SystemApkMetadata) Reset() {
+	*x = SystemApkMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SystemApkMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SystemApkMetadata) ProtoMessage() {}
+
+func (x *SystemApkMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_proto_msgTypes[10]
+	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 SystemApkMetadata.ProtoReflect.Descriptor instead.
+func (*SystemApkMetadata) Descriptor() ([]byte, []int) {
+	return file_commands_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *SystemApkMetadata) GetFusedModuleName() []string {
+	if x != nil {
+		return x.FusedModuleName
 	}
 	return nil
 }
 
-func (m *ApkDescription) GetStandaloneApkMetadata() *StandaloneApkMetadata {
-	if x, ok := m.GetApkMetadataOneofValue().(*ApkDescription_StandaloneApkMetadata); ok {
-		return x.StandaloneApkMetadata
+func (x *SystemApkMetadata) GetSystemApkType() SystemApkMetadata_SystemApkType {
+	if x != nil {
+		return x.SystemApkType
+	}
+	return SystemApkMetadata_UNSPECIFIED_VALUE
+}
+
+// Holds data specific to APEX APKs.
+type ApexApkMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Configuration for processing of APKs embedded in an APEX image.
+	ApexEmbeddedApkConfig []*ApexEmbeddedApkConfig `protobuf:"bytes,1,rep,name=apex_embedded_apk_config,json=apexEmbeddedApkConfig,proto3" json:"apex_embedded_apk_config,omitempty"`
+}
+
+func (x *ApexApkMetadata) Reset() {
+	*x = ApexApkMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ApexApkMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ApexApkMetadata) ProtoMessage() {}
+
+func (x *ApexApkMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_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 ApexApkMetadata.ProtoReflect.Descriptor instead.
+func (*ApexApkMetadata) Descriptor() ([]byte, []int) {
+	return file_commands_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *ApexApkMetadata) GetApexEmbeddedApkConfig() []*ApexEmbeddedApkConfig {
+	if x != nil {
+		return x.ApexEmbeddedApkConfig
 	}
 	return nil
 }
 
-func (m *ApkDescription) GetInstantApkMetadata() *SplitApkMetadata {
-	if x, ok := m.GetApkMetadataOneofValue().(*ApkDescription_InstantApkMetadata); ok {
-		return x.InstantApkMetadata
-	}
-	return nil
+type LocalTestingInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Indicates if the bundle is built in local testing mode.
+	Enabled bool `protobuf:"varint,1,opt,name=enabled,proto3" json:"enabled,omitempty"`
+	// The local testing path, as specified in the base manifest.
+	// This refers to the relative path on the external directory of the app where
+	// APKs will be pushed for local testing.
+	// Set only if local testing is enabled.
+	LocalTestingPath string `protobuf:"bytes,2,opt,name=local_testing_path,json=localTestingPath,proto3" json:"local_testing_path,omitempty"`
 }
 
-func (m *ApkDescription) GetSystemApkMetadata() *SystemApkMetadata {
-	if x, ok := m.GetApkMetadataOneofValue().(*ApkDescription_SystemApkMetadata); ok {
-		return x.SystemApkMetadata
+func (x *LocalTestingInfo) Reset() {
+	*x = LocalTestingInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_commands_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
 	}
-	return nil
 }
 
-func (m *ApkDescription) GetAssetSliceMetadata() *SplitApkMetadata {
-	if x, ok := m.GetApkMetadataOneofValue().(*ApkDescription_AssetSliceMetadata); ok {
-		return x.AssetSliceMetadata
-	}
-	return nil
+func (x *LocalTestingInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
 }
 
-func (m *ApkDescription) GetApexApkMetadata() *ApexApkMetadata {
-	if x, ok := m.GetApkMetadataOneofValue().(*ApkDescription_ApexApkMetadata); ok {
-		return x.ApexApkMetadata
+func (*LocalTestingInfo) ProtoMessage() {}
+
+func (x *LocalTestingInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_commands_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 nil
+	return mi.MessageOf(x)
 }
 
-// XXX_OneofWrappers is for the internal use of the proto package.
-func (*ApkDescription) XXX_OneofWrappers() []interface{} {
-	return []interface{}{
+// Deprecated: Use LocalTestingInfo.ProtoReflect.Descriptor instead.
+func (*LocalTestingInfo) Descriptor() ([]byte, []int) {
+	return file_commands_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *LocalTestingInfo) GetEnabled() bool {
+	if x != nil {
+		return x.Enabled
+	}
+	return false
+}
+
+func (x *LocalTestingInfo) GetLocalTestingPath() string {
+	if x != nil {
+		return x.LocalTestingPath
+	}
+	return ""
+}
+
+var File_commands_proto protoreflect.FileDescriptor
+
+var file_commands_proto_rawDesc = []byte{
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+	0x6f, 0x33,
+}
+
+var (
+	file_commands_proto_rawDescOnce sync.Once
+	file_commands_proto_rawDescData = file_commands_proto_rawDesc
+)
+
+func file_commands_proto_rawDescGZIP() []byte {
+	file_commands_proto_rawDescOnce.Do(func() {
+		file_commands_proto_rawDescData = protoimpl.X.CompressGZIP(file_commands_proto_rawDescData)
+	})
+	return file_commands_proto_rawDescData
+}
+
+var file_commands_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
+var file_commands_proto_msgTypes = make([]protoimpl.MessageInfo, 13)
+var file_commands_proto_goTypes = []interface{}{
+	(DeliveryType)(0),                    // 0: android.bundle.DeliveryType
+	(SystemApkMetadata_SystemApkType)(0), // 1: android.bundle.SystemApkMetadata.SystemApkType
+	(*BuildApksResult)(nil),              // 2: android.bundle.BuildApksResult
+	(*Variant)(nil),                      // 3: android.bundle.Variant
+	(*ApkSet)(nil),                       // 4: android.bundle.ApkSet
+	(*ModuleMetadata)(nil),               // 5: android.bundle.ModuleMetadata
+	(*AssetSliceSet)(nil),                // 6: android.bundle.AssetSliceSet
+	(*AssetModuleMetadata)(nil),          // 7: android.bundle.AssetModuleMetadata
+	(*InstantMetadata)(nil),              // 8: android.bundle.InstantMetadata
+	(*ApkDescription)(nil),               // 9: android.bundle.ApkDescription
+	(*SplitApkMetadata)(nil),             // 10: android.bundle.SplitApkMetadata
+	(*StandaloneApkMetadata)(nil),        // 11: android.bundle.StandaloneApkMetadata
+	(*SystemApkMetadata)(nil),            // 12: android.bundle.SystemApkMetadata
+	(*ApexApkMetadata)(nil),              // 13: android.bundle.ApexApkMetadata
+	(*LocalTestingInfo)(nil),             // 14: android.bundle.LocalTestingInfo
+	(*Bundletool)(nil),                   // 15: android.bundle.Bundletool
+	(*VariantTargeting)(nil),             // 16: android.bundle.VariantTargeting
+	(*ModuleTargeting)(nil),              // 17: android.bundle.ModuleTargeting
+	(*ApkTargeting)(nil),                 // 18: android.bundle.ApkTargeting
+	(*ApexEmbeddedApkConfig)(nil),        // 19: android.bundle.ApexEmbeddedApkConfig
+}
+var file_commands_proto_depIdxs = []int32{
+	3,  // 0: android.bundle.BuildApksResult.variant:type_name -> android.bundle.Variant
+	15, // 1: android.bundle.BuildApksResult.bundletool:type_name -> android.bundle.Bundletool
+	6,  // 2: android.bundle.BuildApksResult.asset_slice_set:type_name -> android.bundle.AssetSliceSet
+	14, // 3: android.bundle.BuildApksResult.local_testing_info:type_name -> android.bundle.LocalTestingInfo
+	16, // 4: android.bundle.Variant.targeting:type_name -> android.bundle.VariantTargeting
+	4,  // 5: android.bundle.Variant.apk_set:type_name -> android.bundle.ApkSet
+	5,  // 6: android.bundle.ApkSet.module_metadata:type_name -> android.bundle.ModuleMetadata
+	9,  // 7: android.bundle.ApkSet.apk_description:type_name -> android.bundle.ApkDescription
+	0,  // 8: android.bundle.ModuleMetadata.delivery_type:type_name -> android.bundle.DeliveryType
+	17, // 9: android.bundle.ModuleMetadata.targeting:type_name -> android.bundle.ModuleTargeting
+	7,  // 10: android.bundle.AssetSliceSet.asset_module_metadata:type_name -> android.bundle.AssetModuleMetadata
+	9,  // 11: android.bundle.AssetSliceSet.apk_description:type_name -> android.bundle.ApkDescription
+	0,  // 12: android.bundle.AssetModuleMetadata.delivery_type:type_name -> android.bundle.DeliveryType
+	8,  // 13: android.bundle.AssetModuleMetadata.instant_metadata:type_name -> android.bundle.InstantMetadata
+	0,  // 14: android.bundle.InstantMetadata.delivery_type:type_name -> android.bundle.DeliveryType
+	18, // 15: android.bundle.ApkDescription.targeting:type_name -> android.bundle.ApkTargeting
+	10, // 16: android.bundle.ApkDescription.split_apk_metadata:type_name -> android.bundle.SplitApkMetadata
+	11, // 17: android.bundle.ApkDescription.standalone_apk_metadata:type_name -> android.bundle.StandaloneApkMetadata
+	10, // 18: android.bundle.ApkDescription.instant_apk_metadata:type_name -> android.bundle.SplitApkMetadata
+	12, // 19: android.bundle.ApkDescription.system_apk_metadata:type_name -> android.bundle.SystemApkMetadata
+	10, // 20: android.bundle.ApkDescription.asset_slice_metadata:type_name -> android.bundle.SplitApkMetadata
+	13, // 21: android.bundle.ApkDescription.apex_apk_metadata:type_name -> android.bundle.ApexApkMetadata
+	1,  // 22: android.bundle.SystemApkMetadata.system_apk_type:type_name -> android.bundle.SystemApkMetadata.SystemApkType
+	19, // 23: android.bundle.ApexApkMetadata.apex_embedded_apk_config:type_name -> android.bundle.ApexEmbeddedApkConfig
+	24, // [24:24] is the sub-list for method output_type
+	24, // [24:24] is the sub-list for method input_type
+	24, // [24:24] is the sub-list for extension type_name
+	24, // [24:24] is the sub-list for extension extendee
+	0,  // [0:24] is the sub-list for field type_name
+}
+
+func init() { file_commands_proto_init() }
+func file_commands_proto_init() {
+	if File_commands_proto != nil {
+		return
+	}
+	file_config_proto_init()
+	file_targeting_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_commands_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BuildApksResult); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Variant); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ApkSet); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ModuleMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AssetSliceSet); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AssetModuleMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*InstantMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ApkDescription); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SplitApkMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*StandaloneApkMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SystemApkMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ApexApkMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_commands_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*LocalTestingInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_commands_proto_msgTypes[7].OneofWrappers = []interface{}{
 		(*ApkDescription_SplitApkMetadata)(nil),
 		(*ApkDescription_StandaloneApkMetadata)(nil),
 		(*ApkDescription_InstantApkMetadata)(nil),
@@ -701,333 +1523,23 @@
 		(*ApkDescription_AssetSliceMetadata)(nil),
 		(*ApkDescription_ApexApkMetadata)(nil),
 	}
-}
-
-// Holds data specific to Split APKs.
-type SplitApkMetadata struct {
-	SplitId string `protobuf:"bytes,1,opt,name=split_id,json=splitId,proto3" json:"split_id,omitempty"`
-	// Indicates whether this APK is the master split of the module.
-	IsMasterSplit        bool     `protobuf:"varint,2,opt,name=is_master_split,json=isMasterSplit,proto3" json:"is_master_split,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *SplitApkMetadata) Reset()         { *m = SplitApkMetadata{} }
-func (m *SplitApkMetadata) String() string { return proto.CompactTextString(m) }
-func (*SplitApkMetadata) ProtoMessage()    {}
-func (*SplitApkMetadata) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{8}
-}
-
-func (m *SplitApkMetadata) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SplitApkMetadata.Unmarshal(m, b)
-}
-func (m *SplitApkMetadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SplitApkMetadata.Marshal(b, m, deterministic)
-}
-func (m *SplitApkMetadata) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SplitApkMetadata.Merge(m, src)
-}
-func (m *SplitApkMetadata) XXX_Size() int {
-	return xxx_messageInfo_SplitApkMetadata.Size(m)
-}
-func (m *SplitApkMetadata) XXX_DiscardUnknown() {
-	xxx_messageInfo_SplitApkMetadata.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SplitApkMetadata proto.InternalMessageInfo
-
-func (m *SplitApkMetadata) GetSplitId() string {
-	if m != nil {
-		return m.SplitId
-	}
-	return ""
-}
-
-func (m *SplitApkMetadata) GetIsMasterSplit() bool {
-	if m != nil {
-		return m.IsMasterSplit
-	}
-	return false
-}
-
-// Holds data specific to Standalone APKs.
-type StandaloneApkMetadata struct {
-	// Names of the modules fused in this standalone APK.
-	FusedModuleName      []string `protobuf:"bytes,1,rep,name=fused_module_name,json=fusedModuleName,proto3" json:"fused_module_name,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *StandaloneApkMetadata) Reset()         { *m = StandaloneApkMetadata{} }
-func (m *StandaloneApkMetadata) String() string { return proto.CompactTextString(m) }
-func (*StandaloneApkMetadata) ProtoMessage()    {}
-func (*StandaloneApkMetadata) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{9}
-}
-
-func (m *StandaloneApkMetadata) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_StandaloneApkMetadata.Unmarshal(m, b)
-}
-func (m *StandaloneApkMetadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_StandaloneApkMetadata.Marshal(b, m, deterministic)
-}
-func (m *StandaloneApkMetadata) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_StandaloneApkMetadata.Merge(m, src)
-}
-func (m *StandaloneApkMetadata) XXX_Size() int {
-	return xxx_messageInfo_StandaloneApkMetadata.Size(m)
-}
-func (m *StandaloneApkMetadata) XXX_DiscardUnknown() {
-	xxx_messageInfo_StandaloneApkMetadata.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_StandaloneApkMetadata proto.InternalMessageInfo
-
-func (m *StandaloneApkMetadata) GetFusedModuleName() []string {
-	if m != nil {
-		return m.FusedModuleName
-	}
-	return nil
-}
-
-// Holds data specific to system APKs.
-type SystemApkMetadata struct {
-	// Names of the modules fused in this system APK.
-	FusedModuleName []string `protobuf:"bytes,1,rep,name=fused_module_name,json=fusedModuleName,proto3" json:"fused_module_name,omitempty"`
-	// Indicates whether the APK is uncompressed system APK, stub APK or
-	// compressed system APK.
-	SystemApkType        SystemApkMetadata_SystemApkType `protobuf:"varint,2,opt,name=system_apk_type,json=systemApkType,proto3,enum=android.bundle.SystemApkMetadata_SystemApkType" json:"system_apk_type,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                        `json:"-"`
-	XXX_unrecognized     []byte                          `json:"-"`
-	XXX_sizecache        int32                           `json:"-"`
-}
-
-func (m *SystemApkMetadata) Reset()         { *m = SystemApkMetadata{} }
-func (m *SystemApkMetadata) String() string { return proto.CompactTextString(m) }
-func (*SystemApkMetadata) ProtoMessage()    {}
-func (*SystemApkMetadata) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{10}
-}
-
-func (m *SystemApkMetadata) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SystemApkMetadata.Unmarshal(m, b)
-}
-func (m *SystemApkMetadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SystemApkMetadata.Marshal(b, m, deterministic)
-}
-func (m *SystemApkMetadata) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SystemApkMetadata.Merge(m, src)
-}
-func (m *SystemApkMetadata) XXX_Size() int {
-	return xxx_messageInfo_SystemApkMetadata.Size(m)
-}
-func (m *SystemApkMetadata) XXX_DiscardUnknown() {
-	xxx_messageInfo_SystemApkMetadata.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SystemApkMetadata proto.InternalMessageInfo
-
-func (m *SystemApkMetadata) GetFusedModuleName() []string {
-	if m != nil {
-		return m.FusedModuleName
-	}
-	return nil
-}
-
-func (m *SystemApkMetadata) GetSystemApkType() SystemApkMetadata_SystemApkType {
-	if m != nil {
-		return m.SystemApkType
-	}
-	return SystemApkMetadata_UNSPECIFIED_VALUE
-}
-
-// Holds data specific to APEX APKs.
-type ApexApkMetadata struct {
-	// Configuration for processing of APKs embedded in an APEX image.
-	ApexEmbeddedApkConfig []*ApexEmbeddedApkConfig `protobuf:"bytes,1,rep,name=apex_embedded_apk_config,json=apexEmbeddedApkConfig,proto3" json:"apex_embedded_apk_config,omitempty"`
-	XXX_NoUnkeyedLiteral  struct{}                 `json:"-"`
-	XXX_unrecognized      []byte                   `json:"-"`
-	XXX_sizecache         int32                    `json:"-"`
-}
-
-func (m *ApexApkMetadata) Reset()         { *m = ApexApkMetadata{} }
-func (m *ApexApkMetadata) String() string { return proto.CompactTextString(m) }
-func (*ApexApkMetadata) ProtoMessage()    {}
-func (*ApexApkMetadata) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{11}
-}
-
-func (m *ApexApkMetadata) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ApexApkMetadata.Unmarshal(m, b)
-}
-func (m *ApexApkMetadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ApexApkMetadata.Marshal(b, m, deterministic)
-}
-func (m *ApexApkMetadata) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ApexApkMetadata.Merge(m, src)
-}
-func (m *ApexApkMetadata) XXX_Size() int {
-	return xxx_messageInfo_ApexApkMetadata.Size(m)
-}
-func (m *ApexApkMetadata) XXX_DiscardUnknown() {
-	xxx_messageInfo_ApexApkMetadata.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ApexApkMetadata proto.InternalMessageInfo
-
-func (m *ApexApkMetadata) GetApexEmbeddedApkConfig() []*ApexEmbeddedApkConfig {
-	if m != nil {
-		return m.ApexEmbeddedApkConfig
-	}
-	return nil
-}
-
-type LocalTestingInfo struct {
-	// Indicates if the bundle is built in local testing mode.
-	Enabled bool `protobuf:"varint,1,opt,name=enabled,proto3" json:"enabled,omitempty"`
-	// The local testing path, as specified in the base manifest.
-	// This refers to the relative path on the external directory of the app where
-	// APKs will be pushed for local testing.
-	// Set only if local testing is enabled.
-	LocalTestingPath     string   `protobuf:"bytes,2,opt,name=local_testing_path,json=localTestingPath,proto3" json:"local_testing_path,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *LocalTestingInfo) Reset()         { *m = LocalTestingInfo{} }
-func (m *LocalTestingInfo) String() string { return proto.CompactTextString(m) }
-func (*LocalTestingInfo) ProtoMessage()    {}
-func (*LocalTestingInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_0dff099eb2e3dfdb, []int{12}
-}
-
-func (m *LocalTestingInfo) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_LocalTestingInfo.Unmarshal(m, b)
-}
-func (m *LocalTestingInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_LocalTestingInfo.Marshal(b, m, deterministic)
-}
-func (m *LocalTestingInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_LocalTestingInfo.Merge(m, src)
-}
-func (m *LocalTestingInfo) XXX_Size() int {
-	return xxx_messageInfo_LocalTestingInfo.Size(m)
-}
-func (m *LocalTestingInfo) XXX_DiscardUnknown() {
-	xxx_messageInfo_LocalTestingInfo.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_LocalTestingInfo proto.InternalMessageInfo
-
-func (m *LocalTestingInfo) GetEnabled() bool {
-	if m != nil {
-		return m.Enabled
-	}
-	return false
-}
-
-func (m *LocalTestingInfo) GetLocalTestingPath() string {
-	if m != nil {
-		return m.LocalTestingPath
-	}
-	return ""
-}
-
-func init() {
-	proto.RegisterEnum("android.bundle.DeliveryType", DeliveryType_name, DeliveryType_value)
-	proto.RegisterEnum("android.bundle.SystemApkMetadata_SystemApkType", SystemApkMetadata_SystemApkType_name, SystemApkMetadata_SystemApkType_value)
-	proto.RegisterType((*BuildApksResult)(nil), "android.bundle.BuildApksResult")
-	proto.RegisterType((*Variant)(nil), "android.bundle.Variant")
-	proto.RegisterType((*ApkSet)(nil), "android.bundle.ApkSet")
-	proto.RegisterType((*ModuleMetadata)(nil), "android.bundle.ModuleMetadata")
-	proto.RegisterType((*AssetSliceSet)(nil), "android.bundle.AssetSliceSet")
-	proto.RegisterType((*AssetModuleMetadata)(nil), "android.bundle.AssetModuleMetadata")
-	proto.RegisterType((*InstantMetadata)(nil), "android.bundle.InstantMetadata")
-	proto.RegisterType((*ApkDescription)(nil), "android.bundle.ApkDescription")
-	proto.RegisterType((*SplitApkMetadata)(nil), "android.bundle.SplitApkMetadata")
-	proto.RegisterType((*StandaloneApkMetadata)(nil), "android.bundle.StandaloneApkMetadata")
-	proto.RegisterType((*SystemApkMetadata)(nil), "android.bundle.SystemApkMetadata")
-	proto.RegisterType((*ApexApkMetadata)(nil), "android.bundle.ApexApkMetadata")
-	proto.RegisterType((*LocalTestingInfo)(nil), "android.bundle.LocalTestingInfo")
-}
-
-func init() {
-	proto.RegisterFile("commands.proto", fileDescriptor_0dff099eb2e3dfdb)
-}
-
-var fileDescriptor_0dff099eb2e3dfdb = []byte{
-	// 1104 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x56, 0xcf, 0x6f, 0xe2, 0x46,
-	0x14, 0x5e, 0x03, 0x0b, 0xe1, 0x05, 0xb0, 0x33, 0x1b, 0xba, 0xde, 0x68, 0x77, 0xcb, 0xba, 0x4a,
-	0x85, 0xa2, 0x2a, 0xab, 0xa6, 0x3d, 0xad, 0xd4, 0x4a, 0x10, 0x9c, 0x96, 0x2d, 0x90, 0xc8, 0x26,
-	0x89, 0x92, 0x4a, 0x1d, 0x4d, 0x98, 0x49, 0xd6, 0xc2, 0xbf, 0xca, 0x98, 0x28, 0xf9, 0x57, 0x7a,
-	0xa9, 0x7a, 0xec, 0xb1, 0xd7, 0xfe, 0x51, 0x3d, 0xf5, 0xde, 0xca, 0x63, 0x03, 0xb6, 0xb1, 0xd4,
-	0x64, 0xd5, 0x13, 0x7e, 0x6f, 0xbe, 0xf9, 0xe6, 0xbd, 0xf7, 0xbd, 0x79, 0x0c, 0x34, 0x26, 0x9e,
-	0xe3, 0x10, 0x97, 0xf2, 0x7d, 0x7f, 0xe6, 0x05, 0x1e, 0x6a, 0x10, 0x97, 0xce, 0x3c, 0x8b, 0xee,
-	0x5f, 0xcd, 0x5d, 0x6a, 0xb3, 0x9d, 0xda, 0xc4, 0x73, 0xaf, 0xad, 0x9b, 0x68, 0x75, 0x47, 0x0e,
-	0xc8, 0xec, 0x86, 0x05, 0x96, 0x1b, 0x3b, 0xb4, 0x3f, 0x0b, 0x20, 0x77, 0xe7, 0x96, 0x4d, 0x3b,
-	0xfe, 0x94, 0x1b, 0x8c, 0xcf, 0xed, 0x00, 0xbd, 0x81, 0x9a, 0x4f, 0x26, 0x53, 0x72, 0xc3, 0xb0,
-	0x4b, 0x1c, 0xa6, 0x96, 0x5a, 0x52, 0xbb, 0x6a, 0x6c, 0xc6, 0xbe, 0x11, 0x71, 0x18, 0xfa, 0x12,
-	0x2a, 0xb7, 0x64, 0x66, 0x11, 0x37, 0x50, 0xa5, 0x56, 0xb1, 0xbd, 0x79, 0xf0, 0x7c, 0x3f, 0x7d,
-	0xee, 0xfe, 0x59, 0xb4, 0x6c, 0x2c, 0x70, 0xe8, 0x1d, 0x40, 0xb4, 0x14, 0x78, 0x9e, 0xad, 0x16,
-	0x5a, 0x52, 0x7b, 0xf3, 0x60, 0x27, 0xbb, 0xab, 0xbb, 0x44, 0x18, 0x09, 0x34, 0xd2, 0x41, 0x26,
-	0x9c, 0xb3, 0x00, 0x73, 0xdb, 0x9a, 0x30, 0xcc, 0x59, 0xa0, 0x16, 0xc5, 0xb1, 0xaf, 0xb2, 0x04,
-	0x9d, 0x10, 0x66, 0x86, 0x28, 0x93, 0x05, 0x46, 0x9d, 0x24, 0x4d, 0x34, 0x02, 0x64, 0x7b, 0x13,
-	0x62, 0xe3, 0x80, 0xf1, 0xb0, 0x06, 0xd8, 0x72, 0xaf, 0x3d, 0xf5, 0xa9, 0x08, 0xa5, 0x95, 0x65,
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+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_commands_proto_rawDesc,
+			NumEnums:      2,
+			NumMessages:   13,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_commands_proto_goTypes,
+		DependencyIndexes: file_commands_proto_depIdxs,
+		EnumInfos:         file_commands_proto_enumTypes,
+		MessageInfos:      file_commands_proto_msgTypes,
+	}.Build()
+	File_commands_proto = out.File
+	file_commands_proto_rawDesc = nil
+	file_commands_proto_goTypes = nil
+	file_commands_proto_depIdxs = nil
 }
diff --git a/cmd/extract_apks/bundle_proto/commands.proto b/cmd/extract_apks/bundle_proto/commands.proto
index b36340b..a24e26d 100644
--- a/cmd/extract_apks/bundle_proto/commands.proto
+++ b/cmd/extract_apks/bundle_proto/commands.proto
@@ -9,7 +9,7 @@
 import "config.proto";
 import "targeting.proto";
 
-option go_package = "android_bundle_proto";
+option go_package = "android/soong/cmd/extract_apks/bundle_proto";
 option java_package = "com.android.bundle";
 
 // Describes the output of the "build-apks" command.
diff --git a/cmd/extract_apks/bundle_proto/config.pb.go b/cmd/extract_apks/bundle_proto/config.pb.go
index a28147a..e358c4b 100644
--- a/cmd/extract_apks/bundle_proto/config.pb.go
+++ b/cmd/extract_apks/bundle_proto/config.pb.go
@@ -1,24 +1,29 @@
+// Messages describing APK Set's table of contents (toc.pb entry).
+// Please be advised that the ultimate source is at
+// https://github.com/google/bundletool/tree/master/src/main/proto
+// so you have been warned.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.9.1
 // source: config.proto
 
-package android_bundle_proto
+package bundle_proto
 
 import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
 
 type BundleConfig_BundleType int32
 
@@ -28,24 +33,45 @@
 	BundleConfig_ASSET_ONLY BundleConfig_BundleType = 2
 )
 
-var BundleConfig_BundleType_name = map[int32]string{
-	0: "REGULAR",
-	1: "APEX",
-	2: "ASSET_ONLY",
-}
+// Enum value maps for BundleConfig_BundleType.
+var (
+	BundleConfig_BundleType_name = map[int32]string{
+		0: "REGULAR",
+		1: "APEX",
+		2: "ASSET_ONLY",
+	}
+	BundleConfig_BundleType_value = map[string]int32{
+		"REGULAR":    0,
+		"APEX":       1,
+		"ASSET_ONLY": 2,
+	}
+)
 
-var BundleConfig_BundleType_value = map[string]int32{
-	"REGULAR":    0,
-	"APEX":       1,
-	"ASSET_ONLY": 2,
+func (x BundleConfig_BundleType) Enum() *BundleConfig_BundleType {
+	p := new(BundleConfig_BundleType)
+	*p = x
+	return p
 }
 
 func (x BundleConfig_BundleType) String() string {
-	return proto.EnumName(BundleConfig_BundleType_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
+func (BundleConfig_BundleType) Descriptor() protoreflect.EnumDescriptor {
+	return file_config_proto_enumTypes[0].Descriptor()
+}
+
+func (BundleConfig_BundleType) Type() protoreflect.EnumType {
+	return &file_config_proto_enumTypes[0]
+}
+
+func (x BundleConfig_BundleType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use BundleConfig_BundleType.Descriptor instead.
 func (BundleConfig_BundleType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{0, 0}
+	return file_config_proto_rawDescGZIP(), []int{0, 0}
 }
 
 type SplitDimension_Value int32
@@ -57,36 +83,61 @@
 	SplitDimension_LANGUAGE                   SplitDimension_Value = 3
 	SplitDimension_TEXTURE_COMPRESSION_FORMAT SplitDimension_Value = 4
 	// BEGIN-INTERNAL
-	SplitDimension_GRAPHICS_API SplitDimension_Value = 5
+	SplitDimension_GRAPHICS_API SplitDimension_Value = 5 // END-INTERNAL
 )
 
-var SplitDimension_Value_name = map[int32]string{
-	0: "UNSPECIFIED_VALUE",
-	1: "ABI",
-	2: "SCREEN_DENSITY",
-	3: "LANGUAGE",
-	4: "TEXTURE_COMPRESSION_FORMAT",
-	5: "GRAPHICS_API",
-}
+// Enum value maps for SplitDimension_Value.
+var (
+	SplitDimension_Value_name = map[int32]string{
+		0: "UNSPECIFIED_VALUE",
+		1: "ABI",
+		2: "SCREEN_DENSITY",
+		3: "LANGUAGE",
+		4: "TEXTURE_COMPRESSION_FORMAT",
+		5: "GRAPHICS_API",
+	}
+	SplitDimension_Value_value = map[string]int32{
+		"UNSPECIFIED_VALUE":          0,
+		"ABI":                        1,
+		"SCREEN_DENSITY":             2,
+		"LANGUAGE":                   3,
+		"TEXTURE_COMPRESSION_FORMAT": 4,
+		"GRAPHICS_API":               5,
+	}
+)
 
-var SplitDimension_Value_value = map[string]int32{
-	"UNSPECIFIED_VALUE":          0,
-	"ABI":                        1,
-	"SCREEN_DENSITY":             2,
-	"LANGUAGE":                   3,
-	"TEXTURE_COMPRESSION_FORMAT": 4,
-	"GRAPHICS_API":               5,
+func (x SplitDimension_Value) Enum() *SplitDimension_Value {
+	p := new(SplitDimension_Value)
+	*p = x
+	return p
 }
 
 func (x SplitDimension_Value) String() string {
-	return proto.EnumName(SplitDimension_Value_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
+func (SplitDimension_Value) Descriptor() protoreflect.EnumDescriptor {
+	return file_config_proto_enumTypes[1].Descriptor()
+}
+
+func (SplitDimension_Value) Type() protoreflect.EnumType {
+	return &file_config_proto_enumTypes[1]
+}
+
+func (x SplitDimension_Value) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use SplitDimension_Value.Descriptor instead.
 func (SplitDimension_Value) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{9, 0}
+	return file_config_proto_rawDescGZIP(), []int{9, 0}
 }
 
 type BundleConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Bundletool    *Bundletool    `protobuf:"bytes,1,opt,name=bundletool,proto3" json:"bundletool,omitempty"`
 	Optimizations *Optimizations `protobuf:"bytes,2,opt,name=optimizations,proto3" json:"optimizations,omitempty"`
 	Compression   *Compression   `protobuf:"bytes,3,opt,name=compression,proto3" json:"compression,omitempty"`
@@ -97,226 +148,258 @@
 	UnsignedEmbeddedApkConfig []*UnsignedEmbeddedApkConfig `protobuf:"bytes,6,rep,name=unsigned_embedded_apk_config,json=unsignedEmbeddedApkConfig,proto3" json:"unsigned_embedded_apk_config,omitempty"`
 	AssetModulesConfig        *AssetModulesConfig          `protobuf:"bytes,7,opt,name=asset_modules_config,json=assetModulesConfig,proto3" json:"asset_modules_config,omitempty"`
 	Type                      BundleConfig_BundleType      `protobuf:"varint,8,opt,name=type,proto3,enum=android.bundle.BundleConfig_BundleType" json:"type,omitempty"`
-	XXX_NoUnkeyedLiteral      struct{}                     `json:"-"`
-	XXX_unrecognized          []byte                       `json:"-"`
-	XXX_sizecache             int32                        `json:"-"`
 }
 
-func (m *BundleConfig) Reset()         { *m = BundleConfig{} }
-func (m *BundleConfig) String() string { return proto.CompactTextString(m) }
-func (*BundleConfig) ProtoMessage()    {}
+func (x *BundleConfig) Reset() {
+	*x = BundleConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BundleConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BundleConfig) ProtoMessage() {}
+
+func (x *BundleConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[0]
+	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 BundleConfig.ProtoReflect.Descriptor instead.
 func (*BundleConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{0}
+	return file_config_proto_rawDescGZIP(), []int{0}
 }
 
-func (m *BundleConfig) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_BundleConfig.Unmarshal(m, b)
-}
-func (m *BundleConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_BundleConfig.Marshal(b, m, deterministic)
-}
-func (m *BundleConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_BundleConfig.Merge(m, src)
-}
-func (m *BundleConfig) XXX_Size() int {
-	return xxx_messageInfo_BundleConfig.Size(m)
-}
-func (m *BundleConfig) XXX_DiscardUnknown() {
-	xxx_messageInfo_BundleConfig.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_BundleConfig proto.InternalMessageInfo
-
-func (m *BundleConfig) GetBundletool() *Bundletool {
-	if m != nil {
-		return m.Bundletool
+func (x *BundleConfig) GetBundletool() *Bundletool {
+	if x != nil {
+		return x.Bundletool
 	}
 	return nil
 }
 
-func (m *BundleConfig) GetOptimizations() *Optimizations {
-	if m != nil {
-		return m.Optimizations
+func (x *BundleConfig) GetOptimizations() *Optimizations {
+	if x != nil {
+		return x.Optimizations
 	}
 	return nil
 }
 
-func (m *BundleConfig) GetCompression() *Compression {
-	if m != nil {
-		return m.Compression
+func (x *BundleConfig) GetCompression() *Compression {
+	if x != nil {
+		return x.Compression
 	}
 	return nil
 }
 
-func (m *BundleConfig) GetMasterResources() *MasterResources {
-	if m != nil {
-		return m.MasterResources
+func (x *BundleConfig) GetMasterResources() *MasterResources {
+	if x != nil {
+		return x.MasterResources
 	}
 	return nil
 }
 
-func (m *BundleConfig) GetApexConfig() *ApexConfig {
-	if m != nil {
-		return m.ApexConfig
+func (x *BundleConfig) GetApexConfig() *ApexConfig {
+	if x != nil {
+		return x.ApexConfig
 	}
 	return nil
 }
 
-func (m *BundleConfig) GetUnsignedEmbeddedApkConfig() []*UnsignedEmbeddedApkConfig {
-	if m != nil {
-		return m.UnsignedEmbeddedApkConfig
+func (x *BundleConfig) GetUnsignedEmbeddedApkConfig() []*UnsignedEmbeddedApkConfig {
+	if x != nil {
+		return x.UnsignedEmbeddedApkConfig
 	}
 	return nil
 }
 
-func (m *BundleConfig) GetAssetModulesConfig() *AssetModulesConfig {
-	if m != nil {
-		return m.AssetModulesConfig
+func (x *BundleConfig) GetAssetModulesConfig() *AssetModulesConfig {
+	if x != nil {
+		return x.AssetModulesConfig
 	}
 	return nil
 }
 
-func (m *BundleConfig) GetType() BundleConfig_BundleType {
-	if m != nil {
-		return m.Type
+func (x *BundleConfig) GetType() BundleConfig_BundleType {
+	if x != nil {
+		return x.Type
 	}
 	return BundleConfig_REGULAR
 }
 
 type Bundletool struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Version of BundleTool used to build the Bundle.
-	Version              string   `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
 }
 
-func (m *Bundletool) Reset()         { *m = Bundletool{} }
-func (m *Bundletool) String() string { return proto.CompactTextString(m) }
-func (*Bundletool) ProtoMessage()    {}
+func (x *Bundletool) Reset() {
+	*x = Bundletool{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Bundletool) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Bundletool) ProtoMessage() {}
+
+func (x *Bundletool) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[1]
+	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 Bundletool.ProtoReflect.Descriptor instead.
 func (*Bundletool) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{1}
+	return file_config_proto_rawDescGZIP(), []int{1}
 }
 
-func (m *Bundletool) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Bundletool.Unmarshal(m, b)
-}
-func (m *Bundletool) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Bundletool.Marshal(b, m, deterministic)
-}
-func (m *Bundletool) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Bundletool.Merge(m, src)
-}
-func (m *Bundletool) XXX_Size() int {
-	return xxx_messageInfo_Bundletool.Size(m)
-}
-func (m *Bundletool) XXX_DiscardUnknown() {
-	xxx_messageInfo_Bundletool.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Bundletool proto.InternalMessageInfo
-
-func (m *Bundletool) GetVersion() string {
-	if m != nil {
-		return m.Version
+func (x *Bundletool) GetVersion() string {
+	if x != nil {
+		return x.Version
 	}
 	return ""
 }
 
 type Compression struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Glob matching the list of files to leave uncompressed in the APKs.
 	// The matching is done against the path of files in the APK, thus excluding
 	// the name of the modules, and using forward slash ("/") as a name separator.
 	// Examples: "res/raw/**", "assets/**/*.uncompressed", etc.
-	UncompressedGlob     []string `protobuf:"bytes,1,rep,name=uncompressed_glob,json=uncompressedGlob,proto3" json:"uncompressed_glob,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	UncompressedGlob []string `protobuf:"bytes,1,rep,name=uncompressed_glob,json=uncompressedGlob,proto3" json:"uncompressed_glob,omitempty"`
 }
 
-func (m *Compression) Reset()         { *m = Compression{} }
-func (m *Compression) String() string { return proto.CompactTextString(m) }
-func (*Compression) ProtoMessage()    {}
+func (x *Compression) Reset() {
+	*x = Compression{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Compression) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Compression) ProtoMessage() {}
+
+func (x *Compression) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[2]
+	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 Compression.ProtoReflect.Descriptor instead.
 func (*Compression) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{2}
+	return file_config_proto_rawDescGZIP(), []int{2}
 }
 
-func (m *Compression) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Compression.Unmarshal(m, b)
-}
-func (m *Compression) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Compression.Marshal(b, m, deterministic)
-}
-func (m *Compression) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Compression.Merge(m, src)
-}
-func (m *Compression) XXX_Size() int {
-	return xxx_messageInfo_Compression.Size(m)
-}
-func (m *Compression) XXX_DiscardUnknown() {
-	xxx_messageInfo_Compression.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Compression proto.InternalMessageInfo
-
-func (m *Compression) GetUncompressedGlob() []string {
-	if m != nil {
-		return m.UncompressedGlob
+func (x *Compression) GetUncompressedGlob() []string {
+	if x != nil {
+		return x.UncompressedGlob
 	}
 	return nil
 }
 
 // Resources to keep in the master split.
 type MasterResources struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Resource IDs to be kept in master split.
 	ResourceIds []int32 `protobuf:"varint,1,rep,packed,name=resource_ids,json=resourceIds,proto3" json:"resource_ids,omitempty"`
 	// Resource names to be kept in master split.
-	ResourceNames        []string `protobuf:"bytes,2,rep,name=resource_names,json=resourceNames,proto3" json:"resource_names,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	ResourceNames []string `protobuf:"bytes,2,rep,name=resource_names,json=resourceNames,proto3" json:"resource_names,omitempty"`
 }
 
-func (m *MasterResources) Reset()         { *m = MasterResources{} }
-func (m *MasterResources) String() string { return proto.CompactTextString(m) }
-func (*MasterResources) ProtoMessage()    {}
+func (x *MasterResources) Reset() {
+	*x = MasterResources{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MasterResources) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MasterResources) ProtoMessage() {}
+
+func (x *MasterResources) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[3]
+	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 MasterResources.ProtoReflect.Descriptor instead.
 func (*MasterResources) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{3}
+	return file_config_proto_rawDescGZIP(), []int{3}
 }
 
-func (m *MasterResources) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_MasterResources.Unmarshal(m, b)
-}
-func (m *MasterResources) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_MasterResources.Marshal(b, m, deterministic)
-}
-func (m *MasterResources) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MasterResources.Merge(m, src)
-}
-func (m *MasterResources) XXX_Size() int {
-	return xxx_messageInfo_MasterResources.Size(m)
-}
-func (m *MasterResources) XXX_DiscardUnknown() {
-	xxx_messageInfo_MasterResources.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_MasterResources proto.InternalMessageInfo
-
-func (m *MasterResources) GetResourceIds() []int32 {
-	if m != nil {
-		return m.ResourceIds
+func (x *MasterResources) GetResourceIds() []int32 {
+	if x != nil {
+		return x.ResourceIds
 	}
 	return nil
 }
 
-func (m *MasterResources) GetResourceNames() []string {
-	if m != nil {
-		return m.ResourceNames
+func (x *MasterResources) GetResourceNames() []string {
+	if x != nil {
+		return x.ResourceNames
 	}
 	return nil
 }
 
 type Optimizations struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	SplitsConfig *SplitsConfig `protobuf:"bytes,1,opt,name=splits_config,json=splitsConfig,proto3" json:"splits_config,omitempty"`
 	// This is for uncompressing native libraries on M+ devices (L+ devices on
 	// instant apps).
@@ -326,293 +409,341 @@
 	// Configuration for the generation of standalone APKs.
 	// If no StandaloneConfig is set, the configuration is inherited from
 	// splits_config.
-	StandaloneConfig     *StandaloneConfig `protobuf:"bytes,4,opt,name=standalone_config,json=standaloneConfig,proto3" json:"standalone_config,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
-	XXX_unrecognized     []byte            `json:"-"`
-	XXX_sizecache        int32             `json:"-"`
+	StandaloneConfig *StandaloneConfig `protobuf:"bytes,4,opt,name=standalone_config,json=standaloneConfig,proto3" json:"standalone_config,omitempty"`
 }
 
-func (m *Optimizations) Reset()         { *m = Optimizations{} }
-func (m *Optimizations) String() string { return proto.CompactTextString(m) }
-func (*Optimizations) ProtoMessage()    {}
+func (x *Optimizations) Reset() {
+	*x = Optimizations{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Optimizations) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Optimizations) ProtoMessage() {}
+
+func (x *Optimizations) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[4]
+	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 Optimizations.ProtoReflect.Descriptor instead.
 func (*Optimizations) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{4}
+	return file_config_proto_rawDescGZIP(), []int{4}
 }
 
-func (m *Optimizations) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Optimizations.Unmarshal(m, b)
-}
-func (m *Optimizations) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Optimizations.Marshal(b, m, deterministic)
-}
-func (m *Optimizations) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Optimizations.Merge(m, src)
-}
-func (m *Optimizations) XXX_Size() int {
-	return xxx_messageInfo_Optimizations.Size(m)
-}
-func (m *Optimizations) XXX_DiscardUnknown() {
-	xxx_messageInfo_Optimizations.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Optimizations proto.InternalMessageInfo
-
-func (m *Optimizations) GetSplitsConfig() *SplitsConfig {
-	if m != nil {
-		return m.SplitsConfig
+func (x *Optimizations) GetSplitsConfig() *SplitsConfig {
+	if x != nil {
+		return x.SplitsConfig
 	}
 	return nil
 }
 
-func (m *Optimizations) GetUncompressNativeLibraries() *UncompressNativeLibraries {
-	if m != nil {
-		return m.UncompressNativeLibraries
+func (x *Optimizations) GetUncompressNativeLibraries() *UncompressNativeLibraries {
+	if x != nil {
+		return x.UncompressNativeLibraries
 	}
 	return nil
 }
 
-func (m *Optimizations) GetUncompressDexFiles() *UncompressDexFiles {
-	if m != nil {
-		return m.UncompressDexFiles
+func (x *Optimizations) GetUncompressDexFiles() *UncompressDexFiles {
+	if x != nil {
+		return x.UncompressDexFiles
 	}
 	return nil
 }
 
-func (m *Optimizations) GetStandaloneConfig() *StandaloneConfig {
-	if m != nil {
-		return m.StandaloneConfig
+func (x *Optimizations) GetStandaloneConfig() *StandaloneConfig {
+	if x != nil {
+		return x.StandaloneConfig
 	}
 	return nil
 }
 
 type UncompressNativeLibraries struct {
-	Enabled              bool     `protobuf:"varint,1,opt,name=enabled,proto3" json:"enabled,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Enabled bool `protobuf:"varint,1,opt,name=enabled,proto3" json:"enabled,omitempty"`
 }
 
-func (m *UncompressNativeLibraries) Reset()         { *m = UncompressNativeLibraries{} }
-func (m *UncompressNativeLibraries) String() string { return proto.CompactTextString(m) }
-func (*UncompressNativeLibraries) ProtoMessage()    {}
+func (x *UncompressNativeLibraries) Reset() {
+	*x = UncompressNativeLibraries{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UncompressNativeLibraries) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UncompressNativeLibraries) ProtoMessage() {}
+
+func (x *UncompressNativeLibraries) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[5]
+	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 UncompressNativeLibraries.ProtoReflect.Descriptor instead.
 func (*UncompressNativeLibraries) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{5}
+	return file_config_proto_rawDescGZIP(), []int{5}
 }
 
-func (m *UncompressNativeLibraries) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_UncompressNativeLibraries.Unmarshal(m, b)
-}
-func (m *UncompressNativeLibraries) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_UncompressNativeLibraries.Marshal(b, m, deterministic)
-}
-func (m *UncompressNativeLibraries) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UncompressNativeLibraries.Merge(m, src)
-}
-func (m *UncompressNativeLibraries) XXX_Size() int {
-	return xxx_messageInfo_UncompressNativeLibraries.Size(m)
-}
-func (m *UncompressNativeLibraries) XXX_DiscardUnknown() {
-	xxx_messageInfo_UncompressNativeLibraries.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_UncompressNativeLibraries proto.InternalMessageInfo
-
-func (m *UncompressNativeLibraries) GetEnabled() bool {
-	if m != nil {
-		return m.Enabled
+func (x *UncompressNativeLibraries) GetEnabled() bool {
+	if x != nil {
+		return x.Enabled
 	}
 	return false
 }
 
 type UncompressDexFiles struct {
-	Enabled              bool     `protobuf:"varint,1,opt,name=enabled,proto3" json:"enabled,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Enabled bool `protobuf:"varint,1,opt,name=enabled,proto3" json:"enabled,omitempty"`
 }
 
-func (m *UncompressDexFiles) Reset()         { *m = UncompressDexFiles{} }
-func (m *UncompressDexFiles) String() string { return proto.CompactTextString(m) }
-func (*UncompressDexFiles) ProtoMessage()    {}
+func (x *UncompressDexFiles) Reset() {
+	*x = UncompressDexFiles{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UncompressDexFiles) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UncompressDexFiles) ProtoMessage() {}
+
+func (x *UncompressDexFiles) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[6]
+	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 UncompressDexFiles.ProtoReflect.Descriptor instead.
 func (*UncompressDexFiles) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{6}
+	return file_config_proto_rawDescGZIP(), []int{6}
 }
 
-func (m *UncompressDexFiles) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_UncompressDexFiles.Unmarshal(m, b)
-}
-func (m *UncompressDexFiles) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_UncompressDexFiles.Marshal(b, m, deterministic)
-}
-func (m *UncompressDexFiles) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UncompressDexFiles.Merge(m, src)
-}
-func (m *UncompressDexFiles) XXX_Size() int {
-	return xxx_messageInfo_UncompressDexFiles.Size(m)
-}
-func (m *UncompressDexFiles) XXX_DiscardUnknown() {
-	xxx_messageInfo_UncompressDexFiles.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_UncompressDexFiles proto.InternalMessageInfo
-
-func (m *UncompressDexFiles) GetEnabled() bool {
-	if m != nil {
-		return m.Enabled
+func (x *UncompressDexFiles) GetEnabled() bool {
+	if x != nil {
+		return x.Enabled
 	}
 	return false
 }
 
 // Optimization configuration used to generate Split APKs.
 type SplitsConfig struct {
-	SplitDimension       []*SplitDimension `protobuf:"bytes,1,rep,name=split_dimension,json=splitDimension,proto3" json:"split_dimension,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
-	XXX_unrecognized     []byte            `json:"-"`
-	XXX_sizecache        int32             `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	SplitDimension []*SplitDimension `protobuf:"bytes,1,rep,name=split_dimension,json=splitDimension,proto3" json:"split_dimension,omitempty"`
 }
 
-func (m *SplitsConfig) Reset()         { *m = SplitsConfig{} }
-func (m *SplitsConfig) String() string { return proto.CompactTextString(m) }
-func (*SplitsConfig) ProtoMessage()    {}
+func (x *SplitsConfig) Reset() {
+	*x = SplitsConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SplitsConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SplitsConfig) ProtoMessage() {}
+
+func (x *SplitsConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[7]
+	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 SplitsConfig.ProtoReflect.Descriptor instead.
 func (*SplitsConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{7}
+	return file_config_proto_rawDescGZIP(), []int{7}
 }
 
-func (m *SplitsConfig) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SplitsConfig.Unmarshal(m, b)
-}
-func (m *SplitsConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SplitsConfig.Marshal(b, m, deterministic)
-}
-func (m *SplitsConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SplitsConfig.Merge(m, src)
-}
-func (m *SplitsConfig) XXX_Size() int {
-	return xxx_messageInfo_SplitsConfig.Size(m)
-}
-func (m *SplitsConfig) XXX_DiscardUnknown() {
-	xxx_messageInfo_SplitsConfig.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SplitsConfig proto.InternalMessageInfo
-
-func (m *SplitsConfig) GetSplitDimension() []*SplitDimension {
-	if m != nil {
-		return m.SplitDimension
+func (x *SplitsConfig) GetSplitDimension() []*SplitDimension {
+	if x != nil {
+		return x.SplitDimension
 	}
 	return nil
 }
 
 // Optimization configuration used to generate Standalone APKs.
 type StandaloneConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Device targeting dimensions to shard.
 	SplitDimension []*SplitDimension `protobuf:"bytes,1,rep,name=split_dimension,json=splitDimension,proto3" json:"split_dimension,omitempty"`
 	// Whether 64 bit libraries should be stripped from Standalone APKs.
-	Strip_64BitLibraries bool     `protobuf:"varint,2,opt,name=strip_64_bit_libraries,json=strip64BitLibraries,proto3" json:"strip_64_bit_libraries,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Strip_64BitLibraries bool `protobuf:"varint,2,opt,name=strip_64_bit_libraries,json=strip64BitLibraries,proto3" json:"strip_64_bit_libraries,omitempty"`
 }
 
-func (m *StandaloneConfig) Reset()         { *m = StandaloneConfig{} }
-func (m *StandaloneConfig) String() string { return proto.CompactTextString(m) }
-func (*StandaloneConfig) ProtoMessage()    {}
+func (x *StandaloneConfig) Reset() {
+	*x = StandaloneConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StandaloneConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StandaloneConfig) ProtoMessage() {}
+
+func (x *StandaloneConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[8]
+	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 StandaloneConfig.ProtoReflect.Descriptor instead.
 func (*StandaloneConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{8}
+	return file_config_proto_rawDescGZIP(), []int{8}
 }
 
-func (m *StandaloneConfig) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_StandaloneConfig.Unmarshal(m, b)
-}
-func (m *StandaloneConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_StandaloneConfig.Marshal(b, m, deterministic)
-}
-func (m *StandaloneConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_StandaloneConfig.Merge(m, src)
-}
-func (m *StandaloneConfig) XXX_Size() int {
-	return xxx_messageInfo_StandaloneConfig.Size(m)
-}
-func (m *StandaloneConfig) XXX_DiscardUnknown() {
-	xxx_messageInfo_StandaloneConfig.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_StandaloneConfig proto.InternalMessageInfo
-
-func (m *StandaloneConfig) GetSplitDimension() []*SplitDimension {
-	if m != nil {
-		return m.SplitDimension
+func (x *StandaloneConfig) GetSplitDimension() []*SplitDimension {
+	if x != nil {
+		return x.SplitDimension
 	}
 	return nil
 }
 
-func (m *StandaloneConfig) GetStrip_64BitLibraries() bool {
-	if m != nil {
-		return m.Strip_64BitLibraries
+func (x *StandaloneConfig) GetStrip_64BitLibraries() bool {
+	if x != nil {
+		return x.Strip_64BitLibraries
 	}
 	return false
 }
 
 type SplitDimension struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Value SplitDimension_Value `protobuf:"varint,1,opt,name=value,proto3,enum=android.bundle.SplitDimension_Value" json:"value,omitempty"`
 	// If set to 'true', indicates that APKs should *not* be split by this
 	// dimension.
 	Negate bool `protobuf:"varint,2,opt,name=negate,proto3" json:"negate,omitempty"`
 	// Optional transformation to be applied to asset directories where
 	// the targeting is encoded in the directory name (e.g: assets/foo#tcf_etc1)
-	SuffixStripping      *SuffixStripping `protobuf:"bytes,3,opt,name=suffix_stripping,json=suffixStripping,proto3" json:"suffix_stripping,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}         `json:"-"`
-	XXX_unrecognized     []byte           `json:"-"`
-	XXX_sizecache        int32            `json:"-"`
+	SuffixStripping *SuffixStripping `protobuf:"bytes,3,opt,name=suffix_stripping,json=suffixStripping,proto3" json:"suffix_stripping,omitempty"`
 }
 
-func (m *SplitDimension) Reset()         { *m = SplitDimension{} }
-func (m *SplitDimension) String() string { return proto.CompactTextString(m) }
-func (*SplitDimension) ProtoMessage()    {}
+func (x *SplitDimension) Reset() {
+	*x = SplitDimension{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SplitDimension) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SplitDimension) ProtoMessage() {}
+
+func (x *SplitDimension) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[9]
+	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 SplitDimension.ProtoReflect.Descriptor instead.
 func (*SplitDimension) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{9}
+	return file_config_proto_rawDescGZIP(), []int{9}
 }
 
-func (m *SplitDimension) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SplitDimension.Unmarshal(m, b)
-}
-func (m *SplitDimension) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SplitDimension.Marshal(b, m, deterministic)
-}
-func (m *SplitDimension) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SplitDimension.Merge(m, src)
-}
-func (m *SplitDimension) XXX_Size() int {
-	return xxx_messageInfo_SplitDimension.Size(m)
-}
-func (m *SplitDimension) XXX_DiscardUnknown() {
-	xxx_messageInfo_SplitDimension.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SplitDimension proto.InternalMessageInfo
-
-func (m *SplitDimension) GetValue() SplitDimension_Value {
-	if m != nil {
-		return m.Value
+func (x *SplitDimension) GetValue() SplitDimension_Value {
+	if x != nil {
+		return x.Value
 	}
 	return SplitDimension_UNSPECIFIED_VALUE
 }
 
-func (m *SplitDimension) GetNegate() bool {
-	if m != nil {
-		return m.Negate
+func (x *SplitDimension) GetNegate() bool {
+	if x != nil {
+		return x.Negate
 	}
 	return false
 }
 
-func (m *SplitDimension) GetSuffixStripping() *SuffixStripping {
-	if m != nil {
-		return m.SuffixStripping
+func (x *SplitDimension) GetSuffixStripping() *SuffixStripping {
+	if x != nil {
+		return x.SuffixStripping
 	}
 	return nil
 }
 
 type SuffixStripping struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// If set to 'true', indicates that the targeting suffix should be removed
 	// from assets paths for this dimension when splits (or asset slices) are
 	// generated.
@@ -632,47 +763,51 @@
 	// used (for example, if both "assets/level1_textures#tcf_etc1" and
 	// "assets/level1_textures" are present and the default suffix is empty,
 	// then only "assets/level1_textures" will be used).
-	DefaultSuffix        string   `protobuf:"bytes,2,opt,name=default_suffix,json=defaultSuffix,proto3" json:"default_suffix,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	DefaultSuffix string `protobuf:"bytes,2,opt,name=default_suffix,json=defaultSuffix,proto3" json:"default_suffix,omitempty"`
 }
 
-func (m *SuffixStripping) Reset()         { *m = SuffixStripping{} }
-func (m *SuffixStripping) String() string { return proto.CompactTextString(m) }
-func (*SuffixStripping) ProtoMessage()    {}
+func (x *SuffixStripping) Reset() {
+	*x = SuffixStripping{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SuffixStripping) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SuffixStripping) ProtoMessage() {}
+
+func (x *SuffixStripping) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[10]
+	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 SuffixStripping.ProtoReflect.Descriptor instead.
 func (*SuffixStripping) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{10}
+	return file_config_proto_rawDescGZIP(), []int{10}
 }
 
-func (m *SuffixStripping) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SuffixStripping.Unmarshal(m, b)
-}
-func (m *SuffixStripping) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SuffixStripping.Marshal(b, m, deterministic)
-}
-func (m *SuffixStripping) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SuffixStripping.Merge(m, src)
-}
-func (m *SuffixStripping) XXX_Size() int {
-	return xxx_messageInfo_SuffixStripping.Size(m)
-}
-func (m *SuffixStripping) XXX_DiscardUnknown() {
-	xxx_messageInfo_SuffixStripping.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SuffixStripping proto.InternalMessageInfo
-
-func (m *SuffixStripping) GetEnabled() bool {
-	if m != nil {
-		return m.Enabled
+func (x *SuffixStripping) GetEnabled() bool {
+	if x != nil {
+		return x.Enabled
 	}
 	return false
 }
 
-func (m *SuffixStripping) GetDefaultSuffix() string {
-	if m != nil {
-		return m.DefaultSuffix
+func (x *SuffixStripping) GetDefaultSuffix() string {
+	if x != nil {
+		return x.DefaultSuffix
 	}
 	return ""
 }
@@ -680,273 +815,634 @@
 // Configuration for processing APEX bundles.
 // https://source.android.com/devices/tech/ota/apex
 type ApexConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Configuration for processing of APKs embedded in an APEX image.
 	ApexEmbeddedApkConfig []*ApexEmbeddedApkConfig `protobuf:"bytes,1,rep,name=apex_embedded_apk_config,json=apexEmbeddedApkConfig,proto3" json:"apex_embedded_apk_config,omitempty"`
-	XXX_NoUnkeyedLiteral  struct{}                 `json:"-"`
-	XXX_unrecognized      []byte                   `json:"-"`
-	XXX_sizecache         int32                    `json:"-"`
 }
 
-func (m *ApexConfig) Reset()         { *m = ApexConfig{} }
-func (m *ApexConfig) String() string { return proto.CompactTextString(m) }
-func (*ApexConfig) ProtoMessage()    {}
+func (x *ApexConfig) Reset() {
+	*x = ApexConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ApexConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ApexConfig) ProtoMessage() {}
+
+func (x *ApexConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_config_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 ApexConfig.ProtoReflect.Descriptor instead.
 func (*ApexConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{11}
+	return file_config_proto_rawDescGZIP(), []int{11}
 }
 
-func (m *ApexConfig) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ApexConfig.Unmarshal(m, b)
-}
-func (m *ApexConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ApexConfig.Marshal(b, m, deterministic)
-}
-func (m *ApexConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ApexConfig.Merge(m, src)
-}
-func (m *ApexConfig) XXX_Size() int {
-	return xxx_messageInfo_ApexConfig.Size(m)
-}
-func (m *ApexConfig) XXX_DiscardUnknown() {
-	xxx_messageInfo_ApexConfig.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ApexConfig proto.InternalMessageInfo
-
-func (m *ApexConfig) GetApexEmbeddedApkConfig() []*ApexEmbeddedApkConfig {
-	if m != nil {
-		return m.ApexEmbeddedApkConfig
+func (x *ApexConfig) GetApexEmbeddedApkConfig() []*ApexEmbeddedApkConfig {
+	if x != nil {
+		return x.ApexEmbeddedApkConfig
 	}
 	return nil
 }
 
 type ApexEmbeddedApkConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Android package name of the APK.
 	PackageName string `protobuf:"bytes,1,opt,name=package_name,json=packageName,proto3" json:"package_name,omitempty"`
 	// Path to the APK within the APEX system image.
-	Path                 string   `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Path string `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
 }
 
-func (m *ApexEmbeddedApkConfig) Reset()         { *m = ApexEmbeddedApkConfig{} }
-func (m *ApexEmbeddedApkConfig) String() string { return proto.CompactTextString(m) }
-func (*ApexEmbeddedApkConfig) ProtoMessage()    {}
+func (x *ApexEmbeddedApkConfig) Reset() {
+	*x = ApexEmbeddedApkConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ApexEmbeddedApkConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ApexEmbeddedApkConfig) ProtoMessage() {}
+
+func (x *ApexEmbeddedApkConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_config_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 ApexEmbeddedApkConfig.ProtoReflect.Descriptor instead.
 func (*ApexEmbeddedApkConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{12}
+	return file_config_proto_rawDescGZIP(), []int{12}
 }
 
-func (m *ApexEmbeddedApkConfig) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ApexEmbeddedApkConfig.Unmarshal(m, b)
-}
-func (m *ApexEmbeddedApkConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ApexEmbeddedApkConfig.Marshal(b, m, deterministic)
-}
-func (m *ApexEmbeddedApkConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ApexEmbeddedApkConfig.Merge(m, src)
-}
-func (m *ApexEmbeddedApkConfig) XXX_Size() int {
-	return xxx_messageInfo_ApexEmbeddedApkConfig.Size(m)
-}
-func (m *ApexEmbeddedApkConfig) XXX_DiscardUnknown() {
-	xxx_messageInfo_ApexEmbeddedApkConfig.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ApexEmbeddedApkConfig proto.InternalMessageInfo
-
-func (m *ApexEmbeddedApkConfig) GetPackageName() string {
-	if m != nil {
-		return m.PackageName
+func (x *ApexEmbeddedApkConfig) GetPackageName() string {
+	if x != nil {
+		return x.PackageName
 	}
 	return ""
 }
 
-func (m *ApexEmbeddedApkConfig) GetPath() string {
-	if m != nil {
-		return m.Path
+func (x *ApexEmbeddedApkConfig) GetPath() string {
+	if x != nil {
+		return x.Path
 	}
 	return ""
 }
 
 type UnsignedEmbeddedApkConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Path to the APK inside the module (e.g. if the path inside the bundle
 	// is split/assets/example.apk, this will be assets/example.apk).
-	Path                 string   `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Path string `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
 }
 
-func (m *UnsignedEmbeddedApkConfig) Reset()         { *m = UnsignedEmbeddedApkConfig{} }
-func (m *UnsignedEmbeddedApkConfig) String() string { return proto.CompactTextString(m) }
-func (*UnsignedEmbeddedApkConfig) ProtoMessage()    {}
+func (x *UnsignedEmbeddedApkConfig) Reset() {
+	*x = UnsignedEmbeddedApkConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UnsignedEmbeddedApkConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UnsignedEmbeddedApkConfig) ProtoMessage() {}
+
+func (x *UnsignedEmbeddedApkConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[13]
+	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 UnsignedEmbeddedApkConfig.ProtoReflect.Descriptor instead.
 func (*UnsignedEmbeddedApkConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{13}
+	return file_config_proto_rawDescGZIP(), []int{13}
 }
 
-func (m *UnsignedEmbeddedApkConfig) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_UnsignedEmbeddedApkConfig.Unmarshal(m, b)
-}
-func (m *UnsignedEmbeddedApkConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_UnsignedEmbeddedApkConfig.Marshal(b, m, deterministic)
-}
-func (m *UnsignedEmbeddedApkConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UnsignedEmbeddedApkConfig.Merge(m, src)
-}
-func (m *UnsignedEmbeddedApkConfig) XXX_Size() int {
-	return xxx_messageInfo_UnsignedEmbeddedApkConfig.Size(m)
-}
-func (m *UnsignedEmbeddedApkConfig) XXX_DiscardUnknown() {
-	xxx_messageInfo_UnsignedEmbeddedApkConfig.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_UnsignedEmbeddedApkConfig proto.InternalMessageInfo
-
-func (m *UnsignedEmbeddedApkConfig) GetPath() string {
-	if m != nil {
-		return m.Path
+func (x *UnsignedEmbeddedApkConfig) GetPath() string {
+	if x != nil {
+		return x.Path
 	}
 	return ""
 }
 
 type AssetModulesConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// App versionCodes that will be updated with these asset modules.
 	// Only relevant for asset-only bundles.
 	AppVersion []int64 `protobuf:"varint,1,rep,packed,name=app_version,json=appVersion,proto3" json:"app_version,omitempty"`
 	// Version tag for the asset upload.
 	// Only relevant for asset-only bundles.
-	AssetVersionTag      string   `protobuf:"bytes,2,opt,name=asset_version_tag,json=assetVersionTag,proto3" json:"asset_version_tag,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	AssetVersionTag string `protobuf:"bytes,2,opt,name=asset_version_tag,json=assetVersionTag,proto3" json:"asset_version_tag,omitempty"`
 }
 
-func (m *AssetModulesConfig) Reset()         { *m = AssetModulesConfig{} }
-func (m *AssetModulesConfig) String() string { return proto.CompactTextString(m) }
-func (*AssetModulesConfig) ProtoMessage()    {}
+func (x *AssetModulesConfig) Reset() {
+	*x = AssetModulesConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_config_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AssetModulesConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetModulesConfig) ProtoMessage() {}
+
+func (x *AssetModulesConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_config_proto_msgTypes[14]
+	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 AssetModulesConfig.ProtoReflect.Descriptor instead.
 func (*AssetModulesConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_3eaf2c85e69e9ea4, []int{14}
+	return file_config_proto_rawDescGZIP(), []int{14}
 }
 
-func (m *AssetModulesConfig) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_AssetModulesConfig.Unmarshal(m, b)
-}
-func (m *AssetModulesConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_AssetModulesConfig.Marshal(b, m, deterministic)
-}
-func (m *AssetModulesConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_AssetModulesConfig.Merge(m, src)
-}
-func (m *AssetModulesConfig) XXX_Size() int {
-	return xxx_messageInfo_AssetModulesConfig.Size(m)
-}
-func (m *AssetModulesConfig) XXX_DiscardUnknown() {
-	xxx_messageInfo_AssetModulesConfig.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_AssetModulesConfig proto.InternalMessageInfo
-
-func (m *AssetModulesConfig) GetAppVersion() []int64 {
-	if m != nil {
-		return m.AppVersion
+func (x *AssetModulesConfig) GetAppVersion() []int64 {
+	if x != nil {
+		return x.AppVersion
 	}
 	return nil
 }
 
-func (m *AssetModulesConfig) GetAssetVersionTag() string {
-	if m != nil {
-		return m.AssetVersionTag
+func (x *AssetModulesConfig) GetAssetVersionTag() string {
+	if x != nil {
+		return x.AssetVersionTag
 	}
 	return ""
 }
 
-func init() {
-	proto.RegisterEnum("android.bundle.BundleConfig_BundleType", BundleConfig_BundleType_name, BundleConfig_BundleType_value)
-	proto.RegisterEnum("android.bundle.SplitDimension_Value", SplitDimension_Value_name, SplitDimension_Value_value)
-	proto.RegisterType((*BundleConfig)(nil), "android.bundle.BundleConfig")
-	proto.RegisterType((*Bundletool)(nil), "android.bundle.Bundletool")
-	proto.RegisterType((*Compression)(nil), "android.bundle.Compression")
-	proto.RegisterType((*MasterResources)(nil), "android.bundle.MasterResources")
-	proto.RegisterType((*Optimizations)(nil), "android.bundle.Optimizations")
-	proto.RegisterType((*UncompressNativeLibraries)(nil), "android.bundle.UncompressNativeLibraries")
-	proto.RegisterType((*UncompressDexFiles)(nil), "android.bundle.UncompressDexFiles")
-	proto.RegisterType((*SplitsConfig)(nil), "android.bundle.SplitsConfig")
-	proto.RegisterType((*StandaloneConfig)(nil), "android.bundle.StandaloneConfig")
-	proto.RegisterType((*SplitDimension)(nil), "android.bundle.SplitDimension")
-	proto.RegisterType((*SuffixStripping)(nil), "android.bundle.SuffixStripping")
-	proto.RegisterType((*ApexConfig)(nil), "android.bundle.ApexConfig")
-	proto.RegisterType((*ApexEmbeddedApkConfig)(nil), "android.bundle.ApexEmbeddedApkConfig")
-	proto.RegisterType((*UnsignedEmbeddedApkConfig)(nil), "android.bundle.UnsignedEmbeddedApkConfig")
-	proto.RegisterType((*AssetModulesConfig)(nil), "android.bundle.AssetModulesConfig")
+var File_config_proto protoreflect.FileDescriptor
+
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 }
 
-func init() {
-	proto.RegisterFile("config.proto", fileDescriptor_3eaf2c85e69e9ea4)
+var (
+	file_config_proto_rawDescOnce sync.Once
+	file_config_proto_rawDescData = file_config_proto_rawDesc
+)
+
+func file_config_proto_rawDescGZIP() []byte {
+	file_config_proto_rawDescOnce.Do(func() {
+		file_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_config_proto_rawDescData)
+	})
+	return file_config_proto_rawDescData
 }
 
-var fileDescriptor_3eaf2c85e69e9ea4 = []byte{
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+var file_config_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
+var file_config_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
+var file_config_proto_goTypes = []interface{}{
+	(BundleConfig_BundleType)(0),      // 0: android.bundle.BundleConfig.BundleType
+	(SplitDimension_Value)(0),         // 1: android.bundle.SplitDimension.Value
+	(*BundleConfig)(nil),              // 2: android.bundle.BundleConfig
+	(*Bundletool)(nil),                // 3: android.bundle.Bundletool
+	(*Compression)(nil),               // 4: android.bundle.Compression
+	(*MasterResources)(nil),           // 5: android.bundle.MasterResources
+	(*Optimizations)(nil),             // 6: android.bundle.Optimizations
+	(*UncompressNativeLibraries)(nil), // 7: android.bundle.UncompressNativeLibraries
+	(*UncompressDexFiles)(nil),        // 8: android.bundle.UncompressDexFiles
+	(*SplitsConfig)(nil),              // 9: android.bundle.SplitsConfig
+	(*StandaloneConfig)(nil),          // 10: android.bundle.StandaloneConfig
+	(*SplitDimension)(nil),            // 11: android.bundle.SplitDimension
+	(*SuffixStripping)(nil),           // 12: android.bundle.SuffixStripping
+	(*ApexConfig)(nil),                // 13: android.bundle.ApexConfig
+	(*ApexEmbeddedApkConfig)(nil),     // 14: android.bundle.ApexEmbeddedApkConfig
+	(*UnsignedEmbeddedApkConfig)(nil), // 15: android.bundle.UnsignedEmbeddedApkConfig
+	(*AssetModulesConfig)(nil),        // 16: android.bundle.AssetModulesConfig
+}
+var file_config_proto_depIdxs = []int32{
+	3,  // 0: android.bundle.BundleConfig.bundletool:type_name -> android.bundle.Bundletool
+	6,  // 1: android.bundle.BundleConfig.optimizations:type_name -> android.bundle.Optimizations
+	4,  // 2: android.bundle.BundleConfig.compression:type_name -> android.bundle.Compression
+	5,  // 3: android.bundle.BundleConfig.master_resources:type_name -> android.bundle.MasterResources
+	13, // 4: android.bundle.BundleConfig.apex_config:type_name -> android.bundle.ApexConfig
+	15, // 5: android.bundle.BundleConfig.unsigned_embedded_apk_config:type_name -> android.bundle.UnsignedEmbeddedApkConfig
+	16, // 6: android.bundle.BundleConfig.asset_modules_config:type_name -> android.bundle.AssetModulesConfig
+	0,  // 7: android.bundle.BundleConfig.type:type_name -> android.bundle.BundleConfig.BundleType
+	9,  // 8: android.bundle.Optimizations.splits_config:type_name -> android.bundle.SplitsConfig
+	7,  // 9: android.bundle.Optimizations.uncompress_native_libraries:type_name -> android.bundle.UncompressNativeLibraries
+	8,  // 10: android.bundle.Optimizations.uncompress_dex_files:type_name -> android.bundle.UncompressDexFiles
+	10, // 11: android.bundle.Optimizations.standalone_config:type_name -> android.bundle.StandaloneConfig
+	11, // 12: android.bundle.SplitsConfig.split_dimension:type_name -> android.bundle.SplitDimension
+	11, // 13: android.bundle.StandaloneConfig.split_dimension:type_name -> android.bundle.SplitDimension
+	1,  // 14: android.bundle.SplitDimension.value:type_name -> android.bundle.SplitDimension.Value
+	12, // 15: android.bundle.SplitDimension.suffix_stripping:type_name -> android.bundle.SuffixStripping
+	14, // 16: android.bundle.ApexConfig.apex_embedded_apk_config:type_name -> android.bundle.ApexEmbeddedApkConfig
+	17, // [17:17] is the sub-list for method output_type
+	17, // [17:17] is the sub-list for method input_type
+	17, // [17:17] is the sub-list for extension type_name
+	17, // [17:17] is the sub-list for extension extendee
+	0,  // [0:17] is the sub-list for field type_name
+}
+
+func init() { file_config_proto_init() }
+func file_config_proto_init() {
+	if File_config_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BundleConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Bundletool); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Compression); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MasterResources); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Optimizations); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*UncompressNativeLibraries); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*UncompressDexFiles); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SplitsConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*StandaloneConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SplitDimension); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SuffixStripping); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ApexConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ApexEmbeddedApkConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*UnsignedEmbeddedApkConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_config_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AssetModulesConfig); 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_config_proto_rawDesc,
+			NumEnums:      2,
+			NumMessages:   15,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_config_proto_goTypes,
+		DependencyIndexes: file_config_proto_depIdxs,
+		EnumInfos:         file_config_proto_enumTypes,
+		MessageInfos:      file_config_proto_msgTypes,
+	}.Build()
+	File_config_proto = out.File
+	file_config_proto_rawDesc = nil
+	file_config_proto_goTypes = nil
+	file_config_proto_depIdxs = nil
 }
diff --git a/cmd/extract_apks/bundle_proto/config.proto b/cmd/extract_apks/bundle_proto/config.proto
index 1c161aa..d6fac03 100644
--- a/cmd/extract_apks/bundle_proto/config.proto
+++ b/cmd/extract_apks/bundle_proto/config.proto
@@ -6,7 +6,7 @@
 
 package android.bundle;
 
-option go_package = "android_bundle_proto";
+option go_package = "android/soong/cmd/extract_apks/bundle_proto";
 option java_package = "com.android.bundle";
 
 message BundleConfig {
diff --git a/cmd/extract_apks/bundle_proto/targeting.pb.go b/cmd/extract_apks/bundle_proto/targeting.pb.go
index 187bc44..66e6f0d 100644
--- a/cmd/extract_apks/bundle_proto/targeting.pb.go
+++ b/cmd/extract_apks/bundle_proto/targeting.pb.go
@@ -1,24 +1,29 @@
+// Messages describing APK Set's table of contents (toc.pb entry).
+// Please be advised that the ultimate source is at
+// https://github.com/google/bundletool/tree/master/src/main/proto
+// so you have been warned.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.9.1
 // source: targeting.proto
 
-package android_bundle_proto
+package bundle_proto
 
 import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
 
 type ScreenDensity_DensityAlias int32
 
@@ -34,36 +39,57 @@
 	ScreenDensity_XXXHDPI             ScreenDensity_DensityAlias = 8
 )
 
-var ScreenDensity_DensityAlias_name = map[int32]string{
-	0: "DENSITY_UNSPECIFIED",
-	1: "NODPI",
-	2: "LDPI",
-	3: "MDPI",
-	4: "TVDPI",
-	5: "HDPI",
-	6: "XHDPI",
-	7: "XXHDPI",
-	8: "XXXHDPI",
-}
+// Enum value maps for ScreenDensity_DensityAlias.
+var (
+	ScreenDensity_DensityAlias_name = map[int32]string{
+		0: "DENSITY_UNSPECIFIED",
+		1: "NODPI",
+		2: "LDPI",
+		3: "MDPI",
+		4: "TVDPI",
+		5: "HDPI",
+		6: "XHDPI",
+		7: "XXHDPI",
+		8: "XXXHDPI",
+	}
+	ScreenDensity_DensityAlias_value = map[string]int32{
+		"DENSITY_UNSPECIFIED": 0,
+		"NODPI":               1,
+		"LDPI":                2,
+		"MDPI":                3,
+		"TVDPI":               4,
+		"HDPI":                5,
+		"XHDPI":               6,
+		"XXHDPI":              7,
+		"XXXHDPI":             8,
+	}
+)
 
-var ScreenDensity_DensityAlias_value = map[string]int32{
-	"DENSITY_UNSPECIFIED": 0,
-	"NODPI":               1,
-	"LDPI":                2,
-	"MDPI":                3,
-	"TVDPI":               4,
-	"HDPI":                5,
-	"XHDPI":               6,
-	"XXHDPI":              7,
-	"XXXHDPI":             8,
+func (x ScreenDensity_DensityAlias) Enum() *ScreenDensity_DensityAlias {
+	p := new(ScreenDensity_DensityAlias)
+	*p = x
+	return p
 }
 
 func (x ScreenDensity_DensityAlias) String() string {
-	return proto.EnumName(ScreenDensity_DensityAlias_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
+func (ScreenDensity_DensityAlias) Descriptor() protoreflect.EnumDescriptor {
+	return file_targeting_proto_enumTypes[0].Descriptor()
+}
+
+func (ScreenDensity_DensityAlias) Type() protoreflect.EnumType {
+	return &file_targeting_proto_enumTypes[0]
+}
+
+func (x ScreenDensity_DensityAlias) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use ScreenDensity_DensityAlias.Descriptor instead.
 func (ScreenDensity_DensityAlias) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{4, 0}
+	return file_targeting_proto_rawDescGZIP(), []int{4, 0}
 }
 
 type TextureCompressionFormat_TextureCompressionFormatAlias int32
@@ -82,40 +108,61 @@
 	TextureCompressionFormat_ETC2                                   TextureCompressionFormat_TextureCompressionFormatAlias = 10
 )
 
-var TextureCompressionFormat_TextureCompressionFormatAlias_name = map[int32]string{
-	0:  "UNSPECIFIED_TEXTURE_COMPRESSION_FORMAT",
-	1:  "ETC1_RGB8",
-	2:  "PALETTED",
-	3:  "THREE_DC",
-	4:  "ATC",
-	5:  "LATC",
-	6:  "DXT1",
-	7:  "S3TC",
-	8:  "PVRTC",
-	9:  "ASTC",
-	10: "ETC2",
-}
+// Enum value maps for TextureCompressionFormat_TextureCompressionFormatAlias.
+var (
+	TextureCompressionFormat_TextureCompressionFormatAlias_name = map[int32]string{
+		0:  "UNSPECIFIED_TEXTURE_COMPRESSION_FORMAT",
+		1:  "ETC1_RGB8",
+		2:  "PALETTED",
+		3:  "THREE_DC",
+		4:  "ATC",
+		5:  "LATC",
+		6:  "DXT1",
+		7:  "S3TC",
+		8:  "PVRTC",
+		9:  "ASTC",
+		10: "ETC2",
+	}
+	TextureCompressionFormat_TextureCompressionFormatAlias_value = map[string]int32{
+		"UNSPECIFIED_TEXTURE_COMPRESSION_FORMAT": 0,
+		"ETC1_RGB8":                              1,
+		"PALETTED":                               2,
+		"THREE_DC":                               3,
+		"ATC":                                    4,
+		"LATC":                                   5,
+		"DXT1":                                   6,
+		"S3TC":                                   7,
+		"PVRTC":                                  8,
+		"ASTC":                                   9,
+		"ETC2":                                   10,
+	}
+)
 
-var TextureCompressionFormat_TextureCompressionFormatAlias_value = map[string]int32{
-	"UNSPECIFIED_TEXTURE_COMPRESSION_FORMAT": 0,
-	"ETC1_RGB8":                              1,
-	"PALETTED":                               2,
-	"THREE_DC":                               3,
-	"ATC":                                    4,
-	"LATC":                                   5,
-	"DXT1":                                   6,
-	"S3TC":                                   7,
-	"PVRTC":                                  8,
-	"ASTC":                                   9,
-	"ETC2":                                   10,
+func (x TextureCompressionFormat_TextureCompressionFormatAlias) Enum() *TextureCompressionFormat_TextureCompressionFormatAlias {
+	p := new(TextureCompressionFormat_TextureCompressionFormatAlias)
+	*p = x
+	return p
 }
 
 func (x TextureCompressionFormat_TextureCompressionFormatAlias) String() string {
-	return proto.EnumName(TextureCompressionFormat_TextureCompressionFormatAlias_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
+func (TextureCompressionFormat_TextureCompressionFormatAlias) Descriptor() protoreflect.EnumDescriptor {
+	return file_targeting_proto_enumTypes[1].Descriptor()
+}
+
+func (TextureCompressionFormat_TextureCompressionFormatAlias) Type() protoreflect.EnumType {
+	return &file_targeting_proto_enumTypes[1]
+}
+
+func (x TextureCompressionFormat_TextureCompressionFormatAlias) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use TextureCompressionFormat_TextureCompressionFormatAlias.Descriptor instead.
 func (TextureCompressionFormat_TextureCompressionFormatAlias) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{10, 0}
+	return file_targeting_proto_rawDescGZIP(), []int{10, 0}
 }
 
 type Abi_AbiAlias int32
@@ -131,34 +178,55 @@
 	Abi_MIPS64                       Abi_AbiAlias = 7
 )
 
-var Abi_AbiAlias_name = map[int32]string{
-	0: "UNSPECIFIED_CPU_ARCHITECTURE",
-	1: "ARMEABI",
-	2: "ARMEABI_V7A",
-	3: "ARM64_V8A",
-	4: "X86",
-	5: "X86_64",
-	6: "MIPS",
-	7: "MIPS64",
-}
+// Enum value maps for Abi_AbiAlias.
+var (
+	Abi_AbiAlias_name = map[int32]string{
+		0: "UNSPECIFIED_CPU_ARCHITECTURE",
+		1: "ARMEABI",
+		2: "ARMEABI_V7A",
+		3: "ARM64_V8A",
+		4: "X86",
+		5: "X86_64",
+		6: "MIPS",
+		7: "MIPS64",
+	}
+	Abi_AbiAlias_value = map[string]int32{
+		"UNSPECIFIED_CPU_ARCHITECTURE": 0,
+		"ARMEABI":                      1,
+		"ARMEABI_V7A":                  2,
+		"ARM64_V8A":                    3,
+		"X86":                          4,
+		"X86_64":                       5,
+		"MIPS":                         6,
+		"MIPS64":                       7,
+	}
+)
 
-var Abi_AbiAlias_value = map[string]int32{
-	"UNSPECIFIED_CPU_ARCHITECTURE": 0,
-	"ARMEABI":                      1,
-	"ARMEABI_V7A":                  2,
-	"ARM64_V8A":                    3,
-	"X86":                          4,
-	"X86_64":                       5,
-	"MIPS":                         6,
-	"MIPS64":                       7,
+func (x Abi_AbiAlias) Enum() *Abi_AbiAlias {
+	p := new(Abi_AbiAlias)
+	*p = x
+	return p
 }
 
 func (x Abi_AbiAlias) String() string {
-	return proto.EnumName(Abi_AbiAlias_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
+func (Abi_AbiAlias) Descriptor() protoreflect.EnumDescriptor {
+	return file_targeting_proto_enumTypes[2].Descriptor()
+}
+
+func (Abi_AbiAlias) Type() protoreflect.EnumType {
+	return &file_targeting_proto_enumTypes[2]
+}
+
+func (x Abi_AbiAlias) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Abi_AbiAlias.Descriptor instead.
 func (Abi_AbiAlias) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{11, 0}
+	return file_targeting_proto_rawDescGZIP(), []int{11, 0}
 }
 
 type Sanitizer_SanitizerAlias int32
@@ -168,98 +236,131 @@
 	Sanitizer_HWADDRESS Sanitizer_SanitizerAlias = 1
 )
 
-var Sanitizer_SanitizerAlias_name = map[int32]string{
-	0: "NONE",
-	1: "HWADDRESS",
-}
+// Enum value maps for Sanitizer_SanitizerAlias.
+var (
+	Sanitizer_SanitizerAlias_name = map[int32]string{
+		0: "NONE",
+		1: "HWADDRESS",
+	}
+	Sanitizer_SanitizerAlias_value = map[string]int32{
+		"NONE":      0,
+		"HWADDRESS": 1,
+	}
+)
 
-var Sanitizer_SanitizerAlias_value = map[string]int32{
-	"NONE":      0,
-	"HWADDRESS": 1,
+func (x Sanitizer_SanitizerAlias) Enum() *Sanitizer_SanitizerAlias {
+	p := new(Sanitizer_SanitizerAlias)
+	*p = x
+	return p
 }
 
 func (x Sanitizer_SanitizerAlias) String() string {
-	return proto.EnumName(Sanitizer_SanitizerAlias_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
+func (Sanitizer_SanitizerAlias) Descriptor() protoreflect.EnumDescriptor {
+	return file_targeting_proto_enumTypes[3].Descriptor()
+}
+
+func (Sanitizer_SanitizerAlias) Type() protoreflect.EnumType {
+	return &file_targeting_proto_enumTypes[3]
+}
+
+func (x Sanitizer_SanitizerAlias) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Sanitizer_SanitizerAlias.Descriptor instead.
 func (Sanitizer_SanitizerAlias) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{13, 0}
+	return file_targeting_proto_rawDescGZIP(), []int{13, 0}
 }
 
 // Targeting on the level of variants.
 type VariantTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	SdkVersionTargeting               *SdkVersionTargeting               `protobuf:"bytes,1,opt,name=sdk_version_targeting,json=sdkVersionTargeting,proto3" json:"sdk_version_targeting,omitempty"`
 	AbiTargeting                      *AbiTargeting                      `protobuf:"bytes,2,opt,name=abi_targeting,json=abiTargeting,proto3" json:"abi_targeting,omitempty"`
 	ScreenDensityTargeting            *ScreenDensityTargeting            `protobuf:"bytes,3,opt,name=screen_density_targeting,json=screenDensityTargeting,proto3" json:"screen_density_targeting,omitempty"`
 	MultiAbiTargeting                 *MultiAbiTargeting                 `protobuf:"bytes,4,opt,name=multi_abi_targeting,json=multiAbiTargeting,proto3" json:"multi_abi_targeting,omitempty"`
 	TextureCompressionFormatTargeting *TextureCompressionFormatTargeting `protobuf:"bytes,5,opt,name=texture_compression_format_targeting,json=textureCompressionFormatTargeting,proto3" json:"texture_compression_format_targeting,omitempty"`
-	XXX_NoUnkeyedLiteral              struct{}                           `json:"-"`
-	XXX_unrecognized                  []byte                             `json:"-"`
-	XXX_sizecache                     int32                              `json:"-"`
 }
 
-func (m *VariantTargeting) Reset()         { *m = VariantTargeting{} }
-func (m *VariantTargeting) String() string { return proto.CompactTextString(m) }
-func (*VariantTargeting) ProtoMessage()    {}
+func (x *VariantTargeting) Reset() {
+	*x = VariantTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *VariantTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*VariantTargeting) ProtoMessage() {}
+
+func (x *VariantTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[0]
+	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 VariantTargeting.ProtoReflect.Descriptor instead.
 func (*VariantTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{0}
+	return file_targeting_proto_rawDescGZIP(), []int{0}
 }
 
-func (m *VariantTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_VariantTargeting.Unmarshal(m, b)
-}
-func (m *VariantTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_VariantTargeting.Marshal(b, m, deterministic)
-}
-func (m *VariantTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_VariantTargeting.Merge(m, src)
-}
-func (m *VariantTargeting) XXX_Size() int {
-	return xxx_messageInfo_VariantTargeting.Size(m)
-}
-func (m *VariantTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_VariantTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_VariantTargeting proto.InternalMessageInfo
-
-func (m *VariantTargeting) GetSdkVersionTargeting() *SdkVersionTargeting {
-	if m != nil {
-		return m.SdkVersionTargeting
+func (x *VariantTargeting) GetSdkVersionTargeting() *SdkVersionTargeting {
+	if x != nil {
+		return x.SdkVersionTargeting
 	}
 	return nil
 }
 
-func (m *VariantTargeting) GetAbiTargeting() *AbiTargeting {
-	if m != nil {
-		return m.AbiTargeting
+func (x *VariantTargeting) GetAbiTargeting() *AbiTargeting {
+	if x != nil {
+		return x.AbiTargeting
 	}
 	return nil
 }
 
-func (m *VariantTargeting) GetScreenDensityTargeting() *ScreenDensityTargeting {
-	if m != nil {
-		return m.ScreenDensityTargeting
+func (x *VariantTargeting) GetScreenDensityTargeting() *ScreenDensityTargeting {
+	if x != nil {
+		return x.ScreenDensityTargeting
 	}
 	return nil
 }
 
-func (m *VariantTargeting) GetMultiAbiTargeting() *MultiAbiTargeting {
-	if m != nil {
-		return m.MultiAbiTargeting
+func (x *VariantTargeting) GetMultiAbiTargeting() *MultiAbiTargeting {
+	if x != nil {
+		return x.MultiAbiTargeting
 	}
 	return nil
 }
 
-func (m *VariantTargeting) GetTextureCompressionFormatTargeting() *TextureCompressionFormatTargeting {
-	if m != nil {
-		return m.TextureCompressionFormatTargeting
+func (x *VariantTargeting) GetTextureCompressionFormatTargeting() *TextureCompressionFormatTargeting {
+	if x != nil {
+		return x.TextureCompressionFormatTargeting
 	}
 	return nil
 }
 
 // Targeting on the level of individual APKs.
 type ApkTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	AbiTargeting                      *AbiTargeting                      `protobuf:"bytes,1,opt,name=abi_targeting,json=abiTargeting,proto3" json:"abi_targeting,omitempty"`
 	GraphicsApiTargeting              *GraphicsApiTargeting              `protobuf:"bytes,2,opt,name=graphics_api_targeting,json=graphicsApiTargeting,proto3" json:"graphics_api_targeting,omitempty"`
 	LanguageTargeting                 *LanguageTargeting                 `protobuf:"bytes,3,opt,name=language_targeting,json=languageTargeting,proto3" json:"language_targeting,omitempty"`
@@ -268,88 +369,92 @@
 	TextureCompressionFormatTargeting *TextureCompressionFormatTargeting `protobuf:"bytes,6,opt,name=texture_compression_format_targeting,json=textureCompressionFormatTargeting,proto3" json:"texture_compression_format_targeting,omitempty"`
 	MultiAbiTargeting                 *MultiAbiTargeting                 `protobuf:"bytes,7,opt,name=multi_abi_targeting,json=multiAbiTargeting,proto3" json:"multi_abi_targeting,omitempty"`
 	SanitizerTargeting                *SanitizerTargeting                `protobuf:"bytes,8,opt,name=sanitizer_targeting,json=sanitizerTargeting,proto3" json:"sanitizer_targeting,omitempty"`
-	XXX_NoUnkeyedLiteral              struct{}                           `json:"-"`
-	XXX_unrecognized                  []byte                             `json:"-"`
-	XXX_sizecache                     int32                              `json:"-"`
 }
 
-func (m *ApkTargeting) Reset()         { *m = ApkTargeting{} }
-func (m *ApkTargeting) String() string { return proto.CompactTextString(m) }
-func (*ApkTargeting) ProtoMessage()    {}
+func (x *ApkTargeting) Reset() {
+	*x = ApkTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ApkTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ApkTargeting) ProtoMessage() {}
+
+func (x *ApkTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[1]
+	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 ApkTargeting.ProtoReflect.Descriptor instead.
 func (*ApkTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{1}
+	return file_targeting_proto_rawDescGZIP(), []int{1}
 }
 
-func (m *ApkTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ApkTargeting.Unmarshal(m, b)
-}
-func (m *ApkTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ApkTargeting.Marshal(b, m, deterministic)
-}
-func (m *ApkTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ApkTargeting.Merge(m, src)
-}
-func (m *ApkTargeting) XXX_Size() int {
-	return xxx_messageInfo_ApkTargeting.Size(m)
-}
-func (m *ApkTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_ApkTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ApkTargeting proto.InternalMessageInfo
-
-func (m *ApkTargeting) GetAbiTargeting() *AbiTargeting {
-	if m != nil {
-		return m.AbiTargeting
+func (x *ApkTargeting) GetAbiTargeting() *AbiTargeting {
+	if x != nil {
+		return x.AbiTargeting
 	}
 	return nil
 }
 
-func (m *ApkTargeting) GetGraphicsApiTargeting() *GraphicsApiTargeting {
-	if m != nil {
-		return m.GraphicsApiTargeting
+func (x *ApkTargeting) GetGraphicsApiTargeting() *GraphicsApiTargeting {
+	if x != nil {
+		return x.GraphicsApiTargeting
 	}
 	return nil
 }
 
-func (m *ApkTargeting) GetLanguageTargeting() *LanguageTargeting {
-	if m != nil {
-		return m.LanguageTargeting
+func (x *ApkTargeting) GetLanguageTargeting() *LanguageTargeting {
+	if x != nil {
+		return x.LanguageTargeting
 	}
 	return nil
 }
 
-func (m *ApkTargeting) GetScreenDensityTargeting() *ScreenDensityTargeting {
-	if m != nil {
-		return m.ScreenDensityTargeting
+func (x *ApkTargeting) GetScreenDensityTargeting() *ScreenDensityTargeting {
+	if x != nil {
+		return x.ScreenDensityTargeting
 	}
 	return nil
 }
 
-func (m *ApkTargeting) GetSdkVersionTargeting() *SdkVersionTargeting {
-	if m != nil {
-		return m.SdkVersionTargeting
+func (x *ApkTargeting) GetSdkVersionTargeting() *SdkVersionTargeting {
+	if x != nil {
+		return x.SdkVersionTargeting
 	}
 	return nil
 }
 
-func (m *ApkTargeting) GetTextureCompressionFormatTargeting() *TextureCompressionFormatTargeting {
-	if m != nil {
-		return m.TextureCompressionFormatTargeting
+func (x *ApkTargeting) GetTextureCompressionFormatTargeting() *TextureCompressionFormatTargeting {
+	if x != nil {
+		return x.TextureCompressionFormatTargeting
 	}
 	return nil
 }
 
-func (m *ApkTargeting) GetMultiAbiTargeting() *MultiAbiTargeting {
-	if m != nil {
-		return m.MultiAbiTargeting
+func (x *ApkTargeting) GetMultiAbiTargeting() *MultiAbiTargeting {
+	if x != nil {
+		return x.MultiAbiTargeting
 	}
 	return nil
 }
 
-func (m *ApkTargeting) GetSanitizerTargeting() *SanitizerTargeting {
-	if m != nil {
-		return m.SanitizerTargeting
+func (x *ApkTargeting) GetSanitizerTargeting() *SanitizerTargeting {
+	if x != nil {
+		return x.SanitizerTargeting
 	}
 	return nil
 }
@@ -357,56 +462,64 @@
 // Targeting on the module level.
 // The semantic of the targeting is the "AND" rule on all immediate values.
 type ModuleTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	SdkVersionTargeting    *SdkVersionTargeting      `protobuf:"bytes,1,opt,name=sdk_version_targeting,json=sdkVersionTargeting,proto3" json:"sdk_version_targeting,omitempty"`
 	DeviceFeatureTargeting []*DeviceFeatureTargeting `protobuf:"bytes,2,rep,name=device_feature_targeting,json=deviceFeatureTargeting,proto3" json:"device_feature_targeting,omitempty"`
 	UserCountriesTargeting *UserCountriesTargeting   `protobuf:"bytes,3,opt,name=user_countries_targeting,json=userCountriesTargeting,proto3" json:"user_countries_targeting,omitempty"`
-	XXX_NoUnkeyedLiteral   struct{}                  `json:"-"`
-	XXX_unrecognized       []byte                    `json:"-"`
-	XXX_sizecache          int32                     `json:"-"`
 }
 
-func (m *ModuleTargeting) Reset()         { *m = ModuleTargeting{} }
-func (m *ModuleTargeting) String() string { return proto.CompactTextString(m) }
-func (*ModuleTargeting) ProtoMessage()    {}
+func (x *ModuleTargeting) Reset() {
+	*x = ModuleTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ModuleTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ModuleTargeting) ProtoMessage() {}
+
+func (x *ModuleTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[2]
+	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 ModuleTargeting.ProtoReflect.Descriptor instead.
 func (*ModuleTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{2}
+	return file_targeting_proto_rawDescGZIP(), []int{2}
 }
 
-func (m *ModuleTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ModuleTargeting.Unmarshal(m, b)
-}
-func (m *ModuleTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ModuleTargeting.Marshal(b, m, deterministic)
-}
-func (m *ModuleTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ModuleTargeting.Merge(m, src)
-}
-func (m *ModuleTargeting) XXX_Size() int {
-	return xxx_messageInfo_ModuleTargeting.Size(m)
-}
-func (m *ModuleTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_ModuleTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ModuleTargeting proto.InternalMessageInfo
-
-func (m *ModuleTargeting) GetSdkVersionTargeting() *SdkVersionTargeting {
-	if m != nil {
-		return m.SdkVersionTargeting
+func (x *ModuleTargeting) GetSdkVersionTargeting() *SdkVersionTargeting {
+	if x != nil {
+		return x.SdkVersionTargeting
 	}
 	return nil
 }
 
-func (m *ModuleTargeting) GetDeviceFeatureTargeting() []*DeviceFeatureTargeting {
-	if m != nil {
-		return m.DeviceFeatureTargeting
+func (x *ModuleTargeting) GetDeviceFeatureTargeting() []*DeviceFeatureTargeting {
+	if x != nil {
+		return x.DeviceFeatureTargeting
 	}
 	return nil
 }
 
-func (m *ModuleTargeting) GetUserCountriesTargeting() *UserCountriesTargeting {
-	if m != nil {
-		return m.UserCountriesTargeting
+func (x *ModuleTargeting) GetUserCountriesTargeting() *UserCountriesTargeting {
+	if x != nil {
+		return x.UserCountriesTargeting
 	}
 	return nil
 }
@@ -414,88 +527,125 @@
 // User Countries targeting describing an inclusive/exclusive list of country
 // codes that module targets.
 type UserCountriesTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// List of country codes in the two-letter CLDR territory format.
 	CountryCodes []string `protobuf:"bytes,1,rep,name=country_codes,json=countryCodes,proto3" json:"country_codes,omitempty"`
 	// Indicates if the list above is exclusive.
-	Exclude              bool     `protobuf:"varint,2,opt,name=exclude,proto3" json:"exclude,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Exclude bool `protobuf:"varint,2,opt,name=exclude,proto3" json:"exclude,omitempty"`
 }
 
-func (m *UserCountriesTargeting) Reset()         { *m = UserCountriesTargeting{} }
-func (m *UserCountriesTargeting) String() string { return proto.CompactTextString(m) }
-func (*UserCountriesTargeting) ProtoMessage()    {}
+func (x *UserCountriesTargeting) Reset() {
+	*x = UserCountriesTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UserCountriesTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UserCountriesTargeting) ProtoMessage() {}
+
+func (x *UserCountriesTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[3]
+	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 UserCountriesTargeting.ProtoReflect.Descriptor instead.
 func (*UserCountriesTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{3}
+	return file_targeting_proto_rawDescGZIP(), []int{3}
 }
 
-func (m *UserCountriesTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_UserCountriesTargeting.Unmarshal(m, b)
-}
-func (m *UserCountriesTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_UserCountriesTargeting.Marshal(b, m, deterministic)
-}
-func (m *UserCountriesTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UserCountriesTargeting.Merge(m, src)
-}
-func (m *UserCountriesTargeting) XXX_Size() int {
-	return xxx_messageInfo_UserCountriesTargeting.Size(m)
-}
-func (m *UserCountriesTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_UserCountriesTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_UserCountriesTargeting proto.InternalMessageInfo
-
-func (m *UserCountriesTargeting) GetCountryCodes() []string {
-	if m != nil {
-		return m.CountryCodes
+func (x *UserCountriesTargeting) GetCountryCodes() []string {
+	if x != nil {
+		return x.CountryCodes
 	}
 	return nil
 }
 
-func (m *UserCountriesTargeting) GetExclude() bool {
-	if m != nil {
-		return m.Exclude
+func (x *UserCountriesTargeting) GetExclude() bool {
+	if x != nil {
+		return x.Exclude
 	}
 	return false
 }
 
 type ScreenDensity struct {
-	// Types that are valid to be assigned to DensityOneof:
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to DensityOneof:
 	//	*ScreenDensity_DensityAlias_
 	//	*ScreenDensity_DensityDpi
-	DensityOneof         isScreenDensity_DensityOneof `protobuf_oneof:"density_oneof"`
-	XXX_NoUnkeyedLiteral struct{}                     `json:"-"`
-	XXX_unrecognized     []byte                       `json:"-"`
-	XXX_sizecache        int32                        `json:"-"`
+	DensityOneof isScreenDensity_DensityOneof `protobuf_oneof:"density_oneof"`
 }
 
-func (m *ScreenDensity) Reset()         { *m = ScreenDensity{} }
-func (m *ScreenDensity) String() string { return proto.CompactTextString(m) }
-func (*ScreenDensity) ProtoMessage()    {}
+func (x *ScreenDensity) Reset() {
+	*x = ScreenDensity{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ScreenDensity) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ScreenDensity) ProtoMessage() {}
+
+func (x *ScreenDensity) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[4]
+	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 ScreenDensity.ProtoReflect.Descriptor instead.
 func (*ScreenDensity) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{4}
+	return file_targeting_proto_rawDescGZIP(), []int{4}
 }
 
-func (m *ScreenDensity) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ScreenDensity.Unmarshal(m, b)
-}
-func (m *ScreenDensity) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ScreenDensity.Marshal(b, m, deterministic)
-}
-func (m *ScreenDensity) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ScreenDensity.Merge(m, src)
-}
-func (m *ScreenDensity) XXX_Size() int {
-	return xxx_messageInfo_ScreenDensity.Size(m)
-}
-func (m *ScreenDensity) XXX_DiscardUnknown() {
-	xxx_messageInfo_ScreenDensity.DiscardUnknown(m)
+func (m *ScreenDensity) GetDensityOneof() isScreenDensity_DensityOneof {
+	if m != nil {
+		return m.DensityOneof
+	}
+	return nil
 }
 
-var xxx_messageInfo_ScreenDensity proto.InternalMessageInfo
+func (x *ScreenDensity) GetDensityAlias() ScreenDensity_DensityAlias {
+	if x, ok := x.GetDensityOneof().(*ScreenDensity_DensityAlias_); ok {
+		return x.DensityAlias
+	}
+	return ScreenDensity_DENSITY_UNSPECIFIED
+}
+
+func (x *ScreenDensity) GetDensityDpi() int32 {
+	if x, ok := x.GetDensityOneof().(*ScreenDensity_DensityDpi); ok {
+		return x.DensityDpi
+	}
+	return 0
+}
 
 type isScreenDensity_DensityOneof interface {
 	isScreenDensity_DensityOneof()
@@ -513,169 +663,148 @@
 
 func (*ScreenDensity_DensityDpi) isScreenDensity_DensityOneof() {}
 
-func (m *ScreenDensity) GetDensityOneof() isScreenDensity_DensityOneof {
-	if m != nil {
-		return m.DensityOneof
-	}
-	return nil
-}
-
-func (m *ScreenDensity) GetDensityAlias() ScreenDensity_DensityAlias {
-	if x, ok := m.GetDensityOneof().(*ScreenDensity_DensityAlias_); ok {
-		return x.DensityAlias
-	}
-	return ScreenDensity_DENSITY_UNSPECIFIED
-}
-
-func (m *ScreenDensity) GetDensityDpi() int32 {
-	if x, ok := m.GetDensityOneof().(*ScreenDensity_DensityDpi); ok {
-		return x.DensityDpi
-	}
-	return 0
-}
-
-// XXX_OneofWrappers is for the internal use of the proto package.
-func (*ScreenDensity) XXX_OneofWrappers() []interface{} {
-	return []interface{}{
-		(*ScreenDensity_DensityAlias_)(nil),
-		(*ScreenDensity_DensityDpi)(nil),
-	}
-}
-
 // Wrapper message for `int32`.
 //
 // The JSON representation for `Int32Value` is JSON number.
 type Int32Value struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// The int32 value.
-	Value                int32    `protobuf:"varint,1,opt,name=value,proto3" json:"value,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Value int32 `protobuf:"varint,1,opt,name=value,proto3" json:"value,omitempty"`
 }
 
-func (m *Int32Value) Reset()         { *m = Int32Value{} }
-func (m *Int32Value) String() string { return proto.CompactTextString(m) }
-func (*Int32Value) ProtoMessage()    {}
+func (x *Int32Value) Reset() {
+	*x = Int32Value{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Int32Value) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Int32Value) ProtoMessage() {}
+
+func (x *Int32Value) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[5]
+	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 Int32Value.ProtoReflect.Descriptor instead.
 func (*Int32Value) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{5}
+	return file_targeting_proto_rawDescGZIP(), []int{5}
 }
 
-func (m *Int32Value) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Int32Value.Unmarshal(m, b)
-}
-func (m *Int32Value) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Int32Value.Marshal(b, m, deterministic)
-}
-func (m *Int32Value) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Int32Value.Merge(m, src)
-}
-func (m *Int32Value) XXX_Size() int {
-	return xxx_messageInfo_Int32Value.Size(m)
-}
-func (m *Int32Value) XXX_DiscardUnknown() {
-	xxx_messageInfo_Int32Value.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Int32Value proto.InternalMessageInfo
-
-func (m *Int32Value) GetValue() int32 {
-	if m != nil {
-		return m.Value
+func (x *Int32Value) GetValue() int32 {
+	if x != nil {
+		return x.Value
 	}
 	return 0
 }
 
 type SdkVersion struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Inclusive.
-	Min                  *Int32Value `protobuf:"bytes,1,opt,name=min,proto3" json:"min,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
-	XXX_unrecognized     []byte      `json:"-"`
-	XXX_sizecache        int32       `json:"-"`
+	Min *Int32Value `protobuf:"bytes,1,opt,name=min,proto3" json:"min,omitempty"`
 }
 
-func (m *SdkVersion) Reset()         { *m = SdkVersion{} }
-func (m *SdkVersion) String() string { return proto.CompactTextString(m) }
-func (*SdkVersion) ProtoMessage()    {}
+func (x *SdkVersion) Reset() {
+	*x = SdkVersion{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SdkVersion) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SdkVersion) ProtoMessage() {}
+
+func (x *SdkVersion) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[6]
+	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 SdkVersion.ProtoReflect.Descriptor instead.
 func (*SdkVersion) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{6}
+	return file_targeting_proto_rawDescGZIP(), []int{6}
 }
 
-func (m *SdkVersion) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SdkVersion.Unmarshal(m, b)
-}
-func (m *SdkVersion) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SdkVersion.Marshal(b, m, deterministic)
-}
-func (m *SdkVersion) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SdkVersion.Merge(m, src)
-}
-func (m *SdkVersion) XXX_Size() int {
-	return xxx_messageInfo_SdkVersion.Size(m)
-}
-func (m *SdkVersion) XXX_DiscardUnknown() {
-	xxx_messageInfo_SdkVersion.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SdkVersion proto.InternalMessageInfo
-
-func (m *SdkVersion) GetMin() *Int32Value {
-	if m != nil {
-		return m.Min
+func (x *SdkVersion) GetMin() *Int32Value {
+	if x != nil {
+		return x.Min
 	}
 	return nil
 }
 
 type GraphicsApi struct {
-	// Types that are valid to be assigned to ApiOneof:
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to ApiOneof:
 	//	*GraphicsApi_MinOpenGlVersion
 	//	*GraphicsApi_MinVulkanVersion
-	ApiOneof             isGraphicsApi_ApiOneof `protobuf_oneof:"api_oneof"`
-	XXX_NoUnkeyedLiteral struct{}               `json:"-"`
-	XXX_unrecognized     []byte                 `json:"-"`
-	XXX_sizecache        int32                  `json:"-"`
+	ApiOneof isGraphicsApi_ApiOneof `protobuf_oneof:"api_oneof"`
 }
 
-func (m *GraphicsApi) Reset()         { *m = GraphicsApi{} }
-func (m *GraphicsApi) String() string { return proto.CompactTextString(m) }
-func (*GraphicsApi) ProtoMessage()    {}
+func (x *GraphicsApi) Reset() {
+	*x = GraphicsApi{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GraphicsApi) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GraphicsApi) ProtoMessage() {}
+
+func (x *GraphicsApi) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[7]
+	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 GraphicsApi.ProtoReflect.Descriptor instead.
 func (*GraphicsApi) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{7}
+	return file_targeting_proto_rawDescGZIP(), []int{7}
 }
 
-func (m *GraphicsApi) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_GraphicsApi.Unmarshal(m, b)
-}
-func (m *GraphicsApi) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_GraphicsApi.Marshal(b, m, deterministic)
-}
-func (m *GraphicsApi) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GraphicsApi.Merge(m, src)
-}
-func (m *GraphicsApi) XXX_Size() int {
-	return xxx_messageInfo_GraphicsApi.Size(m)
-}
-func (m *GraphicsApi) XXX_DiscardUnknown() {
-	xxx_messageInfo_GraphicsApi.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_GraphicsApi proto.InternalMessageInfo
-
-type isGraphicsApi_ApiOneof interface {
-	isGraphicsApi_ApiOneof()
-}
-
-type GraphicsApi_MinOpenGlVersion struct {
-	MinOpenGlVersion *OpenGlVersion `protobuf:"bytes,1,opt,name=min_open_gl_version,json=minOpenGlVersion,proto3,oneof"`
-}
-
-type GraphicsApi_MinVulkanVersion struct {
-	MinVulkanVersion *VulkanVersion `protobuf:"bytes,2,opt,name=min_vulkan_version,json=minVulkanVersion,proto3,oneof"`
-}
-
-func (*GraphicsApi_MinOpenGlVersion) isGraphicsApi_ApiOneof() {}
-
-func (*GraphicsApi_MinVulkanVersion) isGraphicsApi_ApiOneof() {}
-
 func (m *GraphicsApi) GetApiOneof() isGraphicsApi_ApiOneof {
 	if m != nil {
 		return m.ApiOneof
@@ -683,874 +812,1028 @@
 	return nil
 }
 
-func (m *GraphicsApi) GetMinOpenGlVersion() *OpenGlVersion {
-	if x, ok := m.GetApiOneof().(*GraphicsApi_MinOpenGlVersion); ok {
+func (x *GraphicsApi) GetMinOpenGlVersion() *OpenGlVersion {
+	if x, ok := x.GetApiOneof().(*GraphicsApi_MinOpenGlVersion); ok {
 		return x.MinOpenGlVersion
 	}
 	return nil
 }
 
-func (m *GraphicsApi) GetMinVulkanVersion() *VulkanVersion {
-	if x, ok := m.GetApiOneof().(*GraphicsApi_MinVulkanVersion); ok {
+func (x *GraphicsApi) GetMinVulkanVersion() *VulkanVersion {
+	if x, ok := x.GetApiOneof().(*GraphicsApi_MinVulkanVersion); ok {
 		return x.MinVulkanVersion
 	}
 	return nil
 }
 
-// XXX_OneofWrappers is for the internal use of the proto package.
-func (*GraphicsApi) XXX_OneofWrappers() []interface{} {
-	return []interface{}{
-		(*GraphicsApi_MinOpenGlVersion)(nil),
-		(*GraphicsApi_MinVulkanVersion)(nil),
+type isGraphicsApi_ApiOneof interface {
+	isGraphicsApi_ApiOneof()
+}
+
+type GraphicsApi_MinOpenGlVersion struct {
+	// Inclusive.
+	MinOpenGlVersion *OpenGlVersion `protobuf:"bytes,1,opt,name=min_open_gl_version,json=minOpenGlVersion,proto3,oneof"`
+}
+
+type GraphicsApi_MinVulkanVersion struct {
+	// Inclusive.
+	MinVulkanVersion *VulkanVersion `protobuf:"bytes,2,opt,name=min_vulkan_version,json=minVulkanVersion,proto3,oneof"`
+}
+
+func (*GraphicsApi_MinOpenGlVersion) isGraphicsApi_ApiOneof() {}
+
+func (*GraphicsApi_MinVulkanVersion) isGraphicsApi_ApiOneof() {}
+
+type VulkanVersion struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Major int32 `protobuf:"varint,1,opt,name=major,proto3" json:"major,omitempty"` // VK_VERSION_MAJOR
+	Minor int32 `protobuf:"varint,2,opt,name=minor,proto3" json:"minor,omitempty"` // VK_VERSION_MINOR
+}
+
+func (x *VulkanVersion) Reset() {
+	*x = VulkanVersion{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
 	}
 }
 
-type VulkanVersion struct {
-	Major                int32    `protobuf:"varint,1,opt,name=major,proto3" json:"major,omitempty"`
-	Minor                int32    `protobuf:"varint,2,opt,name=minor,proto3" json:"minor,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+func (x *VulkanVersion) String() string {
+	return protoimpl.X.MessageStringOf(x)
 }
 
-func (m *VulkanVersion) Reset()         { *m = VulkanVersion{} }
-func (m *VulkanVersion) String() string { return proto.CompactTextString(m) }
-func (*VulkanVersion) ProtoMessage()    {}
+func (*VulkanVersion) ProtoMessage() {}
+
+func (x *VulkanVersion) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[8]
+	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 VulkanVersion.ProtoReflect.Descriptor instead.
 func (*VulkanVersion) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{8}
+	return file_targeting_proto_rawDescGZIP(), []int{8}
 }
 
-func (m *VulkanVersion) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_VulkanVersion.Unmarshal(m, b)
-}
-func (m *VulkanVersion) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_VulkanVersion.Marshal(b, m, deterministic)
-}
-func (m *VulkanVersion) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_VulkanVersion.Merge(m, src)
-}
-func (m *VulkanVersion) XXX_Size() int {
-	return xxx_messageInfo_VulkanVersion.Size(m)
-}
-func (m *VulkanVersion) XXX_DiscardUnknown() {
-	xxx_messageInfo_VulkanVersion.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_VulkanVersion proto.InternalMessageInfo
-
-func (m *VulkanVersion) GetMajor() int32 {
-	if m != nil {
-		return m.Major
+func (x *VulkanVersion) GetMajor() int32 {
+	if x != nil {
+		return x.Major
 	}
 	return 0
 }
 
-func (m *VulkanVersion) GetMinor() int32 {
-	if m != nil {
-		return m.Minor
+func (x *VulkanVersion) GetMinor() int32 {
+	if x != nil {
+		return x.Minor
 	}
 	return 0
 }
 
 type OpenGlVersion struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// e.g. OpenGL ES 3.2 is represented as { major: 3, minor: 2 }
-	Major                int32    `protobuf:"varint,1,opt,name=major,proto3" json:"major,omitempty"`
-	Minor                int32    `protobuf:"varint,2,opt,name=minor,proto3" json:"minor,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Major int32 `protobuf:"varint,1,opt,name=major,proto3" json:"major,omitempty"` // GL_MAJOR_VERSION
+	Minor int32 `protobuf:"varint,2,opt,name=minor,proto3" json:"minor,omitempty"` // GL_MINOR_VERSION
 }
 
-func (m *OpenGlVersion) Reset()         { *m = OpenGlVersion{} }
-func (m *OpenGlVersion) String() string { return proto.CompactTextString(m) }
-func (*OpenGlVersion) ProtoMessage()    {}
+func (x *OpenGlVersion) Reset() {
+	*x = OpenGlVersion{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *OpenGlVersion) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*OpenGlVersion) ProtoMessage() {}
+
+func (x *OpenGlVersion) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[9]
+	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 OpenGlVersion.ProtoReflect.Descriptor instead.
 func (*OpenGlVersion) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{9}
+	return file_targeting_proto_rawDescGZIP(), []int{9}
 }
 
-func (m *OpenGlVersion) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_OpenGlVersion.Unmarshal(m, b)
-}
-func (m *OpenGlVersion) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_OpenGlVersion.Marshal(b, m, deterministic)
-}
-func (m *OpenGlVersion) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_OpenGlVersion.Merge(m, src)
-}
-func (m *OpenGlVersion) XXX_Size() int {
-	return xxx_messageInfo_OpenGlVersion.Size(m)
-}
-func (m *OpenGlVersion) XXX_DiscardUnknown() {
-	xxx_messageInfo_OpenGlVersion.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_OpenGlVersion proto.InternalMessageInfo
-
-func (m *OpenGlVersion) GetMajor() int32 {
-	if m != nil {
-		return m.Major
+func (x *OpenGlVersion) GetMajor() int32 {
+	if x != nil {
+		return x.Major
 	}
 	return 0
 }
 
-func (m *OpenGlVersion) GetMinor() int32 {
-	if m != nil {
-		return m.Minor
+func (x *OpenGlVersion) GetMinor() int32 {
+	if x != nil {
+		return x.Minor
 	}
 	return 0
 }
 
 type TextureCompressionFormat struct {
-	Alias                TextureCompressionFormat_TextureCompressionFormatAlias `protobuf:"varint,1,opt,name=alias,proto3,enum=android.bundle.TextureCompressionFormat_TextureCompressionFormatAlias" json:"alias,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                                               `json:"-"`
-	XXX_unrecognized     []byte                                                 `json:"-"`
-	XXX_sizecache        int32                                                  `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Alias TextureCompressionFormat_TextureCompressionFormatAlias `protobuf:"varint,1,opt,name=alias,proto3,enum=android.bundle.TextureCompressionFormat_TextureCompressionFormatAlias" json:"alias,omitempty"`
 }
 
-func (m *TextureCompressionFormat) Reset()         { *m = TextureCompressionFormat{} }
-func (m *TextureCompressionFormat) String() string { return proto.CompactTextString(m) }
-func (*TextureCompressionFormat) ProtoMessage()    {}
+func (x *TextureCompressionFormat) Reset() {
+	*x = TextureCompressionFormat{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TextureCompressionFormat) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TextureCompressionFormat) ProtoMessage() {}
+
+func (x *TextureCompressionFormat) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[10]
+	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 TextureCompressionFormat.ProtoReflect.Descriptor instead.
 func (*TextureCompressionFormat) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{10}
+	return file_targeting_proto_rawDescGZIP(), []int{10}
 }
 
-func (m *TextureCompressionFormat) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_TextureCompressionFormat.Unmarshal(m, b)
-}
-func (m *TextureCompressionFormat) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_TextureCompressionFormat.Marshal(b, m, deterministic)
-}
-func (m *TextureCompressionFormat) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_TextureCompressionFormat.Merge(m, src)
-}
-func (m *TextureCompressionFormat) XXX_Size() int {
-	return xxx_messageInfo_TextureCompressionFormat.Size(m)
-}
-func (m *TextureCompressionFormat) XXX_DiscardUnknown() {
-	xxx_messageInfo_TextureCompressionFormat.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_TextureCompressionFormat proto.InternalMessageInfo
-
-func (m *TextureCompressionFormat) GetAlias() TextureCompressionFormat_TextureCompressionFormatAlias {
-	if m != nil {
-		return m.Alias
+func (x *TextureCompressionFormat) GetAlias() TextureCompressionFormat_TextureCompressionFormatAlias {
+	if x != nil {
+		return x.Alias
 	}
 	return TextureCompressionFormat_UNSPECIFIED_TEXTURE_COMPRESSION_FORMAT
 }
 
 type Abi struct {
-	Alias                Abi_AbiAlias `protobuf:"varint,1,opt,name=alias,proto3,enum=android.bundle.Abi_AbiAlias" json:"alias,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
-	XXX_unrecognized     []byte       `json:"-"`
-	XXX_sizecache        int32        `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Alias Abi_AbiAlias `protobuf:"varint,1,opt,name=alias,proto3,enum=android.bundle.Abi_AbiAlias" json:"alias,omitempty"`
 }
 
-func (m *Abi) Reset()         { *m = Abi{} }
-func (m *Abi) String() string { return proto.CompactTextString(m) }
-func (*Abi) ProtoMessage()    {}
+func (x *Abi) Reset() {
+	*x = Abi{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Abi) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Abi) ProtoMessage() {}
+
+func (x *Abi) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_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 Abi.ProtoReflect.Descriptor instead.
 func (*Abi) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{11}
+	return file_targeting_proto_rawDescGZIP(), []int{11}
 }
 
-func (m *Abi) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Abi.Unmarshal(m, b)
-}
-func (m *Abi) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Abi.Marshal(b, m, deterministic)
-}
-func (m *Abi) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Abi.Merge(m, src)
-}
-func (m *Abi) XXX_Size() int {
-	return xxx_messageInfo_Abi.Size(m)
-}
-func (m *Abi) XXX_DiscardUnknown() {
-	xxx_messageInfo_Abi.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Abi proto.InternalMessageInfo
-
-func (m *Abi) GetAlias() Abi_AbiAlias {
-	if m != nil {
-		return m.Alias
+func (x *Abi) GetAlias() Abi_AbiAlias {
+	if x != nil {
+		return x.Alias
 	}
 	return Abi_UNSPECIFIED_CPU_ARCHITECTURE
 }
 
 type MultiAbi struct {
-	Abi                  []*Abi   `protobuf:"bytes,1,rep,name=abi,proto3" json:"abi,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Abi []*Abi `protobuf:"bytes,1,rep,name=abi,proto3" json:"abi,omitempty"`
 }
 
-func (m *MultiAbi) Reset()         { *m = MultiAbi{} }
-func (m *MultiAbi) String() string { return proto.CompactTextString(m) }
-func (*MultiAbi) ProtoMessage()    {}
+func (x *MultiAbi) Reset() {
+	*x = MultiAbi{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MultiAbi) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MultiAbi) ProtoMessage() {}
+
+func (x *MultiAbi) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_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 MultiAbi.ProtoReflect.Descriptor instead.
 func (*MultiAbi) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{12}
+	return file_targeting_proto_rawDescGZIP(), []int{12}
 }
 
-func (m *MultiAbi) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_MultiAbi.Unmarshal(m, b)
-}
-func (m *MultiAbi) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_MultiAbi.Marshal(b, m, deterministic)
-}
-func (m *MultiAbi) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MultiAbi.Merge(m, src)
-}
-func (m *MultiAbi) XXX_Size() int {
-	return xxx_messageInfo_MultiAbi.Size(m)
-}
-func (m *MultiAbi) XXX_DiscardUnknown() {
-	xxx_messageInfo_MultiAbi.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_MultiAbi proto.InternalMessageInfo
-
-func (m *MultiAbi) GetAbi() []*Abi {
-	if m != nil {
-		return m.Abi
+func (x *MultiAbi) GetAbi() []*Abi {
+	if x != nil {
+		return x.Abi
 	}
 	return nil
 }
 
 type Sanitizer struct {
-	Alias                Sanitizer_SanitizerAlias `protobuf:"varint,1,opt,name=alias,proto3,enum=android.bundle.Sanitizer_SanitizerAlias" json:"alias,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                 `json:"-"`
-	XXX_unrecognized     []byte                   `json:"-"`
-	XXX_sizecache        int32                    `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Alias Sanitizer_SanitizerAlias `protobuf:"varint,1,opt,name=alias,proto3,enum=android.bundle.Sanitizer_SanitizerAlias" json:"alias,omitempty"`
 }
 
-func (m *Sanitizer) Reset()         { *m = Sanitizer{} }
-func (m *Sanitizer) String() string { return proto.CompactTextString(m) }
-func (*Sanitizer) ProtoMessage()    {}
+func (x *Sanitizer) Reset() {
+	*x = Sanitizer{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Sanitizer) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Sanitizer) ProtoMessage() {}
+
+func (x *Sanitizer) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[13]
+	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 Sanitizer.ProtoReflect.Descriptor instead.
 func (*Sanitizer) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{13}
+	return file_targeting_proto_rawDescGZIP(), []int{13}
 }
 
-func (m *Sanitizer) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Sanitizer.Unmarshal(m, b)
-}
-func (m *Sanitizer) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Sanitizer.Marshal(b, m, deterministic)
-}
-func (m *Sanitizer) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Sanitizer.Merge(m, src)
-}
-func (m *Sanitizer) XXX_Size() int {
-	return xxx_messageInfo_Sanitizer.Size(m)
-}
-func (m *Sanitizer) XXX_DiscardUnknown() {
-	xxx_messageInfo_Sanitizer.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Sanitizer proto.InternalMessageInfo
-
-func (m *Sanitizer) GetAlias() Sanitizer_SanitizerAlias {
-	if m != nil {
-		return m.Alias
+func (x *Sanitizer) GetAlias() Sanitizer_SanitizerAlias {
+	if x != nil {
+		return x.Alias
 	}
 	return Sanitizer_NONE
 }
 
 type DeviceFeature struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	FeatureName string `protobuf:"bytes,1,opt,name=feature_name,json=featureName,proto3" json:"feature_name,omitempty"`
 	// Equivalent of android:glEsVersion or android:version in <uses-feature>.
-	FeatureVersion       int32    `protobuf:"varint,2,opt,name=feature_version,json=featureVersion,proto3" json:"feature_version,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	FeatureVersion int32 `protobuf:"varint,2,opt,name=feature_version,json=featureVersion,proto3" json:"feature_version,omitempty"`
 }
 
-func (m *DeviceFeature) Reset()         { *m = DeviceFeature{} }
-func (m *DeviceFeature) String() string { return proto.CompactTextString(m) }
-func (*DeviceFeature) ProtoMessage()    {}
+func (x *DeviceFeature) Reset() {
+	*x = DeviceFeature{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeviceFeature) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeviceFeature) ProtoMessage() {}
+
+func (x *DeviceFeature) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[14]
+	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 DeviceFeature.ProtoReflect.Descriptor instead.
 func (*DeviceFeature) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{14}
+	return file_targeting_proto_rawDescGZIP(), []int{14}
 }
 
-func (m *DeviceFeature) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_DeviceFeature.Unmarshal(m, b)
-}
-func (m *DeviceFeature) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_DeviceFeature.Marshal(b, m, deterministic)
-}
-func (m *DeviceFeature) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DeviceFeature.Merge(m, src)
-}
-func (m *DeviceFeature) XXX_Size() int {
-	return xxx_messageInfo_DeviceFeature.Size(m)
-}
-func (m *DeviceFeature) XXX_DiscardUnknown() {
-	xxx_messageInfo_DeviceFeature.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_DeviceFeature proto.InternalMessageInfo
-
-func (m *DeviceFeature) GetFeatureName() string {
-	if m != nil {
-		return m.FeatureName
+func (x *DeviceFeature) GetFeatureName() string {
+	if x != nil {
+		return x.FeatureName
 	}
 	return ""
 }
 
-func (m *DeviceFeature) GetFeatureVersion() int32 {
-	if m != nil {
-		return m.FeatureVersion
+func (x *DeviceFeature) GetFeatureVersion() int32 {
+	if x != nil {
+		return x.FeatureVersion
 	}
 	return 0
 }
 
 // Targeting specific for directories under assets/.
 type AssetsDirectoryTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Abi                      *AbiTargeting                      `protobuf:"bytes,1,opt,name=abi,proto3" json:"abi,omitempty"`
 	GraphicsApi              *GraphicsApiTargeting              `protobuf:"bytes,2,opt,name=graphics_api,json=graphicsApi,proto3" json:"graphics_api,omitempty"`
 	TextureCompressionFormat *TextureCompressionFormatTargeting `protobuf:"bytes,3,opt,name=texture_compression_format,json=textureCompressionFormat,proto3" json:"texture_compression_format,omitempty"`
 	Language                 *LanguageTargeting                 `protobuf:"bytes,4,opt,name=language,proto3" json:"language,omitempty"`
-	XXX_NoUnkeyedLiteral     struct{}                           `json:"-"`
-	XXX_unrecognized         []byte                             `json:"-"`
-	XXX_sizecache            int32                              `json:"-"`
 }
 
-func (m *AssetsDirectoryTargeting) Reset()         { *m = AssetsDirectoryTargeting{} }
-func (m *AssetsDirectoryTargeting) String() string { return proto.CompactTextString(m) }
-func (*AssetsDirectoryTargeting) ProtoMessage()    {}
+func (x *AssetsDirectoryTargeting) Reset() {
+	*x = AssetsDirectoryTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AssetsDirectoryTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetsDirectoryTargeting) ProtoMessage() {}
+
+func (x *AssetsDirectoryTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[15]
+	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 AssetsDirectoryTargeting.ProtoReflect.Descriptor instead.
 func (*AssetsDirectoryTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{15}
+	return file_targeting_proto_rawDescGZIP(), []int{15}
 }
 
-func (m *AssetsDirectoryTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_AssetsDirectoryTargeting.Unmarshal(m, b)
-}
-func (m *AssetsDirectoryTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_AssetsDirectoryTargeting.Marshal(b, m, deterministic)
-}
-func (m *AssetsDirectoryTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_AssetsDirectoryTargeting.Merge(m, src)
-}
-func (m *AssetsDirectoryTargeting) XXX_Size() int {
-	return xxx_messageInfo_AssetsDirectoryTargeting.Size(m)
-}
-func (m *AssetsDirectoryTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_AssetsDirectoryTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_AssetsDirectoryTargeting proto.InternalMessageInfo
-
-func (m *AssetsDirectoryTargeting) GetAbi() *AbiTargeting {
-	if m != nil {
-		return m.Abi
+func (x *AssetsDirectoryTargeting) GetAbi() *AbiTargeting {
+	if x != nil {
+		return x.Abi
 	}
 	return nil
 }
 
-func (m *AssetsDirectoryTargeting) GetGraphicsApi() *GraphicsApiTargeting {
-	if m != nil {
-		return m.GraphicsApi
+func (x *AssetsDirectoryTargeting) GetGraphicsApi() *GraphicsApiTargeting {
+	if x != nil {
+		return x.GraphicsApi
 	}
 	return nil
 }
 
-func (m *AssetsDirectoryTargeting) GetTextureCompressionFormat() *TextureCompressionFormatTargeting {
-	if m != nil {
-		return m.TextureCompressionFormat
+func (x *AssetsDirectoryTargeting) GetTextureCompressionFormat() *TextureCompressionFormatTargeting {
+	if x != nil {
+		return x.TextureCompressionFormat
 	}
 	return nil
 }
 
-func (m *AssetsDirectoryTargeting) GetLanguage() *LanguageTargeting {
-	if m != nil {
-		return m.Language
+func (x *AssetsDirectoryTargeting) GetLanguage() *LanguageTargeting {
+	if x != nil {
+		return x.Language
 	}
 	return nil
 }
 
 // Targeting specific for directories under lib/.
 type NativeDirectoryTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Abi                      *Abi                      `protobuf:"bytes,1,opt,name=abi,proto3" json:"abi,omitempty"`
 	GraphicsApi              *GraphicsApi              `protobuf:"bytes,2,opt,name=graphics_api,json=graphicsApi,proto3" json:"graphics_api,omitempty"`
 	TextureCompressionFormat *TextureCompressionFormat `protobuf:"bytes,3,opt,name=texture_compression_format,json=textureCompressionFormat,proto3" json:"texture_compression_format,omitempty"`
 	Sanitizer                *Sanitizer                `protobuf:"bytes,4,opt,name=sanitizer,proto3" json:"sanitizer,omitempty"`
-	XXX_NoUnkeyedLiteral     struct{}                  `json:"-"`
-	XXX_unrecognized         []byte                    `json:"-"`
-	XXX_sizecache            int32                     `json:"-"`
 }
 
-func (m *NativeDirectoryTargeting) Reset()         { *m = NativeDirectoryTargeting{} }
-func (m *NativeDirectoryTargeting) String() string { return proto.CompactTextString(m) }
-func (*NativeDirectoryTargeting) ProtoMessage()    {}
+func (x *NativeDirectoryTargeting) Reset() {
+	*x = NativeDirectoryTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[16]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *NativeDirectoryTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*NativeDirectoryTargeting) ProtoMessage() {}
+
+func (x *NativeDirectoryTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[16]
+	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 NativeDirectoryTargeting.ProtoReflect.Descriptor instead.
 func (*NativeDirectoryTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{16}
+	return file_targeting_proto_rawDescGZIP(), []int{16}
 }
 
-func (m *NativeDirectoryTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_NativeDirectoryTargeting.Unmarshal(m, b)
-}
-func (m *NativeDirectoryTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_NativeDirectoryTargeting.Marshal(b, m, deterministic)
-}
-func (m *NativeDirectoryTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_NativeDirectoryTargeting.Merge(m, src)
-}
-func (m *NativeDirectoryTargeting) XXX_Size() int {
-	return xxx_messageInfo_NativeDirectoryTargeting.Size(m)
-}
-func (m *NativeDirectoryTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_NativeDirectoryTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_NativeDirectoryTargeting proto.InternalMessageInfo
-
-func (m *NativeDirectoryTargeting) GetAbi() *Abi {
-	if m != nil {
-		return m.Abi
+func (x *NativeDirectoryTargeting) GetAbi() *Abi {
+	if x != nil {
+		return x.Abi
 	}
 	return nil
 }
 
-func (m *NativeDirectoryTargeting) GetGraphicsApi() *GraphicsApi {
-	if m != nil {
-		return m.GraphicsApi
+func (x *NativeDirectoryTargeting) GetGraphicsApi() *GraphicsApi {
+	if x != nil {
+		return x.GraphicsApi
 	}
 	return nil
 }
 
-func (m *NativeDirectoryTargeting) GetTextureCompressionFormat() *TextureCompressionFormat {
-	if m != nil {
-		return m.TextureCompressionFormat
+func (x *NativeDirectoryTargeting) GetTextureCompressionFormat() *TextureCompressionFormat {
+	if x != nil {
+		return x.TextureCompressionFormat
 	}
 	return nil
 }
 
-func (m *NativeDirectoryTargeting) GetSanitizer() *Sanitizer {
-	if m != nil {
-		return m.Sanitizer
+func (x *NativeDirectoryTargeting) GetSanitizer() *Sanitizer {
+	if x != nil {
+		return x.Sanitizer
 	}
 	return nil
 }
 
 // Targeting specific for image files under apex/.
 type ApexImageTargeting struct {
-	MultiAbi             *MultiAbiTargeting `protobuf:"bytes,1,opt,name=multi_abi,json=multiAbi,proto3" json:"multi_abi,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}           `json:"-"`
-	XXX_unrecognized     []byte             `json:"-"`
-	XXX_sizecache        int32              `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MultiAbi *MultiAbiTargeting `protobuf:"bytes,1,opt,name=multi_abi,json=multiAbi,proto3" json:"multi_abi,omitempty"`
 }
 
-func (m *ApexImageTargeting) Reset()         { *m = ApexImageTargeting{} }
-func (m *ApexImageTargeting) String() string { return proto.CompactTextString(m) }
-func (*ApexImageTargeting) ProtoMessage()    {}
+func (x *ApexImageTargeting) Reset() {
+	*x = ApexImageTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[17]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ApexImageTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ApexImageTargeting) ProtoMessage() {}
+
+func (x *ApexImageTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[17]
+	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 ApexImageTargeting.ProtoReflect.Descriptor instead.
 func (*ApexImageTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{17}
+	return file_targeting_proto_rawDescGZIP(), []int{17}
 }
 
-func (m *ApexImageTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ApexImageTargeting.Unmarshal(m, b)
-}
-func (m *ApexImageTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ApexImageTargeting.Marshal(b, m, deterministic)
-}
-func (m *ApexImageTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ApexImageTargeting.Merge(m, src)
-}
-func (m *ApexImageTargeting) XXX_Size() int {
-	return xxx_messageInfo_ApexImageTargeting.Size(m)
-}
-func (m *ApexImageTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_ApexImageTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ApexImageTargeting proto.InternalMessageInfo
-
-func (m *ApexImageTargeting) GetMultiAbi() *MultiAbiTargeting {
-	if m != nil {
-		return m.MultiAbi
+func (x *ApexImageTargeting) GetMultiAbi() *MultiAbiTargeting {
+	if x != nil {
+		return x.MultiAbi
 	}
 	return nil
 }
 
 type AbiTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Value []*Abi `protobuf:"bytes,1,rep,name=value,proto3" json:"value,omitempty"`
 	// Targeting of other sibling directories that were in the Bundle.
 	// For master splits this is targeting of other master splits.
-	Alternatives         []*Abi   `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Alternatives []*Abi `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
 }
 
-func (m *AbiTargeting) Reset()         { *m = AbiTargeting{} }
-func (m *AbiTargeting) String() string { return proto.CompactTextString(m) }
-func (*AbiTargeting) ProtoMessage()    {}
+func (x *AbiTargeting) Reset() {
+	*x = AbiTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[18]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AbiTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AbiTargeting) ProtoMessage() {}
+
+func (x *AbiTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[18]
+	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 AbiTargeting.ProtoReflect.Descriptor instead.
 func (*AbiTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{18}
+	return file_targeting_proto_rawDescGZIP(), []int{18}
 }
 
-func (m *AbiTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_AbiTargeting.Unmarshal(m, b)
-}
-func (m *AbiTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_AbiTargeting.Marshal(b, m, deterministic)
-}
-func (m *AbiTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_AbiTargeting.Merge(m, src)
-}
-func (m *AbiTargeting) XXX_Size() int {
-	return xxx_messageInfo_AbiTargeting.Size(m)
-}
-func (m *AbiTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_AbiTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_AbiTargeting proto.InternalMessageInfo
-
-func (m *AbiTargeting) GetValue() []*Abi {
-	if m != nil {
-		return m.Value
+func (x *AbiTargeting) GetValue() []*Abi {
+	if x != nil {
+		return x.Value
 	}
 	return nil
 }
 
-func (m *AbiTargeting) GetAlternatives() []*Abi {
-	if m != nil {
-		return m.Alternatives
+func (x *AbiTargeting) GetAlternatives() []*Abi {
+	if x != nil {
+		return x.Alternatives
 	}
 	return nil
 }
 
 type MultiAbiTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Value []*MultiAbi `protobuf:"bytes,1,rep,name=value,proto3" json:"value,omitempty"`
 	// Targeting of other sibling directories that were in the Bundle.
 	// For master splits this is targeting of other master splits.
-	Alternatives         []*MultiAbi `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
-	XXX_unrecognized     []byte      `json:"-"`
-	XXX_sizecache        int32       `json:"-"`
+	Alternatives []*MultiAbi `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
 }
 
-func (m *MultiAbiTargeting) Reset()         { *m = MultiAbiTargeting{} }
-func (m *MultiAbiTargeting) String() string { return proto.CompactTextString(m) }
-func (*MultiAbiTargeting) ProtoMessage()    {}
+func (x *MultiAbiTargeting) Reset() {
+	*x = MultiAbiTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[19]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MultiAbiTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MultiAbiTargeting) ProtoMessage() {}
+
+func (x *MultiAbiTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[19]
+	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 MultiAbiTargeting.ProtoReflect.Descriptor instead.
 func (*MultiAbiTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{19}
+	return file_targeting_proto_rawDescGZIP(), []int{19}
 }
 
-func (m *MultiAbiTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_MultiAbiTargeting.Unmarshal(m, b)
-}
-func (m *MultiAbiTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_MultiAbiTargeting.Marshal(b, m, deterministic)
-}
-func (m *MultiAbiTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MultiAbiTargeting.Merge(m, src)
-}
-func (m *MultiAbiTargeting) XXX_Size() int {
-	return xxx_messageInfo_MultiAbiTargeting.Size(m)
-}
-func (m *MultiAbiTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_MultiAbiTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_MultiAbiTargeting proto.InternalMessageInfo
-
-func (m *MultiAbiTargeting) GetValue() []*MultiAbi {
-	if m != nil {
-		return m.Value
+func (x *MultiAbiTargeting) GetValue() []*MultiAbi {
+	if x != nil {
+		return x.Value
 	}
 	return nil
 }
 
-func (m *MultiAbiTargeting) GetAlternatives() []*MultiAbi {
-	if m != nil {
-		return m.Alternatives
+func (x *MultiAbiTargeting) GetAlternatives() []*MultiAbi {
+	if x != nil {
+		return x.Alternatives
 	}
 	return nil
 }
 
 type ScreenDensityTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Value []*ScreenDensity `protobuf:"bytes,1,rep,name=value,proto3" json:"value,omitempty"`
 	// Targeting of other sibling directories that were in the Bundle.
 	// For master splits this is targeting of other master splits.
-	Alternatives         []*ScreenDensity `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}         `json:"-"`
-	XXX_unrecognized     []byte           `json:"-"`
-	XXX_sizecache        int32            `json:"-"`
+	Alternatives []*ScreenDensity `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
 }
 
-func (m *ScreenDensityTargeting) Reset()         { *m = ScreenDensityTargeting{} }
-func (m *ScreenDensityTargeting) String() string { return proto.CompactTextString(m) }
-func (*ScreenDensityTargeting) ProtoMessage()    {}
+func (x *ScreenDensityTargeting) Reset() {
+	*x = ScreenDensityTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[20]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ScreenDensityTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ScreenDensityTargeting) ProtoMessage() {}
+
+func (x *ScreenDensityTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[20]
+	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 ScreenDensityTargeting.ProtoReflect.Descriptor instead.
 func (*ScreenDensityTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{20}
+	return file_targeting_proto_rawDescGZIP(), []int{20}
 }
 
-func (m *ScreenDensityTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ScreenDensityTargeting.Unmarshal(m, b)
-}
-func (m *ScreenDensityTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ScreenDensityTargeting.Marshal(b, m, deterministic)
-}
-func (m *ScreenDensityTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ScreenDensityTargeting.Merge(m, src)
-}
-func (m *ScreenDensityTargeting) XXX_Size() int {
-	return xxx_messageInfo_ScreenDensityTargeting.Size(m)
-}
-func (m *ScreenDensityTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_ScreenDensityTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ScreenDensityTargeting proto.InternalMessageInfo
-
-func (m *ScreenDensityTargeting) GetValue() []*ScreenDensity {
-	if m != nil {
-		return m.Value
+func (x *ScreenDensityTargeting) GetValue() []*ScreenDensity {
+	if x != nil {
+		return x.Value
 	}
 	return nil
 }
 
-func (m *ScreenDensityTargeting) GetAlternatives() []*ScreenDensity {
-	if m != nil {
-		return m.Alternatives
+func (x *ScreenDensityTargeting) GetAlternatives() []*ScreenDensity {
+	if x != nil {
+		return x.Alternatives
 	}
 	return nil
 }
 
 type LanguageTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// ISO-639: 2 or 3 letter language code.
 	Value []string `protobuf:"bytes,1,rep,name=value,proto3" json:"value,omitempty"`
 	// Targeting of other sibling directories that were in the Bundle.
 	// For master splits this is targeting of other master splits.
-	Alternatives         []string `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Alternatives []string `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
 }
 
-func (m *LanguageTargeting) Reset()         { *m = LanguageTargeting{} }
-func (m *LanguageTargeting) String() string { return proto.CompactTextString(m) }
-func (*LanguageTargeting) ProtoMessage()    {}
+func (x *LanguageTargeting) Reset() {
+	*x = LanguageTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[21]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *LanguageTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*LanguageTargeting) ProtoMessage() {}
+
+func (x *LanguageTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[21]
+	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 LanguageTargeting.ProtoReflect.Descriptor instead.
 func (*LanguageTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{21}
+	return file_targeting_proto_rawDescGZIP(), []int{21}
 }
 
-func (m *LanguageTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_LanguageTargeting.Unmarshal(m, b)
-}
-func (m *LanguageTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_LanguageTargeting.Marshal(b, m, deterministic)
-}
-func (m *LanguageTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_LanguageTargeting.Merge(m, src)
-}
-func (m *LanguageTargeting) XXX_Size() int {
-	return xxx_messageInfo_LanguageTargeting.Size(m)
-}
-func (m *LanguageTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_LanguageTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_LanguageTargeting proto.InternalMessageInfo
-
-func (m *LanguageTargeting) GetValue() []string {
-	if m != nil {
-		return m.Value
+func (x *LanguageTargeting) GetValue() []string {
+	if x != nil {
+		return x.Value
 	}
 	return nil
 }
 
-func (m *LanguageTargeting) GetAlternatives() []string {
-	if m != nil {
-		return m.Alternatives
+func (x *LanguageTargeting) GetAlternatives() []string {
+	if x != nil {
+		return x.Alternatives
 	}
 	return nil
 }
 
 type GraphicsApiTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Value []*GraphicsApi `protobuf:"bytes,1,rep,name=value,proto3" json:"value,omitempty"`
 	// Targeting of other sibling directories that were in the Bundle.
 	// For master splits this is targeting of other master splits.
-	Alternatives         []*GraphicsApi `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}       `json:"-"`
-	XXX_unrecognized     []byte         `json:"-"`
-	XXX_sizecache        int32          `json:"-"`
+	Alternatives []*GraphicsApi `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
 }
 
-func (m *GraphicsApiTargeting) Reset()         { *m = GraphicsApiTargeting{} }
-func (m *GraphicsApiTargeting) String() string { return proto.CompactTextString(m) }
-func (*GraphicsApiTargeting) ProtoMessage()    {}
+func (x *GraphicsApiTargeting) Reset() {
+	*x = GraphicsApiTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[22]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GraphicsApiTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GraphicsApiTargeting) ProtoMessage() {}
+
+func (x *GraphicsApiTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[22]
+	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 GraphicsApiTargeting.ProtoReflect.Descriptor instead.
 func (*GraphicsApiTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{22}
+	return file_targeting_proto_rawDescGZIP(), []int{22}
 }
 
-func (m *GraphicsApiTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_GraphicsApiTargeting.Unmarshal(m, b)
-}
-func (m *GraphicsApiTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_GraphicsApiTargeting.Marshal(b, m, deterministic)
-}
-func (m *GraphicsApiTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GraphicsApiTargeting.Merge(m, src)
-}
-func (m *GraphicsApiTargeting) XXX_Size() int {
-	return xxx_messageInfo_GraphicsApiTargeting.Size(m)
-}
-func (m *GraphicsApiTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_GraphicsApiTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_GraphicsApiTargeting proto.InternalMessageInfo
-
-func (m *GraphicsApiTargeting) GetValue() []*GraphicsApi {
-	if m != nil {
-		return m.Value
+func (x *GraphicsApiTargeting) GetValue() []*GraphicsApi {
+	if x != nil {
+		return x.Value
 	}
 	return nil
 }
 
-func (m *GraphicsApiTargeting) GetAlternatives() []*GraphicsApi {
-	if m != nil {
-		return m.Alternatives
+func (x *GraphicsApiTargeting) GetAlternatives() []*GraphicsApi {
+	if x != nil {
+		return x.Alternatives
 	}
 	return nil
 }
 
 type SdkVersionTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Value []*SdkVersion `protobuf:"bytes,1,rep,name=value,proto3" json:"value,omitempty"`
 	// Targeting of other sibling directories that were in the Bundle.
 	// For master splits this is targeting of other master splits.
-	Alternatives         []*SdkVersion `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}      `json:"-"`
-	XXX_unrecognized     []byte        `json:"-"`
-	XXX_sizecache        int32         `json:"-"`
+	Alternatives []*SdkVersion `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
 }
 
-func (m *SdkVersionTargeting) Reset()         { *m = SdkVersionTargeting{} }
-func (m *SdkVersionTargeting) String() string { return proto.CompactTextString(m) }
-func (*SdkVersionTargeting) ProtoMessage()    {}
+func (x *SdkVersionTargeting) Reset() {
+	*x = SdkVersionTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[23]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SdkVersionTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SdkVersionTargeting) ProtoMessage() {}
+
+func (x *SdkVersionTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[23]
+	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 SdkVersionTargeting.ProtoReflect.Descriptor instead.
 func (*SdkVersionTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{23}
+	return file_targeting_proto_rawDescGZIP(), []int{23}
 }
 
-func (m *SdkVersionTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SdkVersionTargeting.Unmarshal(m, b)
-}
-func (m *SdkVersionTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SdkVersionTargeting.Marshal(b, m, deterministic)
-}
-func (m *SdkVersionTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SdkVersionTargeting.Merge(m, src)
-}
-func (m *SdkVersionTargeting) XXX_Size() int {
-	return xxx_messageInfo_SdkVersionTargeting.Size(m)
-}
-func (m *SdkVersionTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_SdkVersionTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SdkVersionTargeting proto.InternalMessageInfo
-
-func (m *SdkVersionTargeting) GetValue() []*SdkVersion {
-	if m != nil {
-		return m.Value
+func (x *SdkVersionTargeting) GetValue() []*SdkVersion {
+	if x != nil {
+		return x.Value
 	}
 	return nil
 }
 
-func (m *SdkVersionTargeting) GetAlternatives() []*SdkVersion {
-	if m != nil {
-		return m.Alternatives
+func (x *SdkVersionTargeting) GetAlternatives() []*SdkVersion {
+	if x != nil {
+		return x.Alternatives
 	}
 	return nil
 }
 
 type TextureCompressionFormatTargeting struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Value []*TextureCompressionFormat `protobuf:"bytes,1,rep,name=value,proto3" json:"value,omitempty"`
 	// Targeting of other sibling directories that were in the Bundle.
 	// For master splits this is targeting of other master splits.
-	Alternatives         []*TextureCompressionFormat `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                    `json:"-"`
-	XXX_unrecognized     []byte                      `json:"-"`
-	XXX_sizecache        int32                       `json:"-"`
+	Alternatives []*TextureCompressionFormat `protobuf:"bytes,2,rep,name=alternatives,proto3" json:"alternatives,omitempty"`
 }
 
-func (m *TextureCompressionFormatTargeting) Reset()         { *m = TextureCompressionFormatTargeting{} }
-func (m *TextureCompressionFormatTargeting) String() string { return proto.CompactTextString(m) }
-func (*TextureCompressionFormatTargeting) ProtoMessage()    {}
+func (x *TextureCompressionFormatTargeting) Reset() {
+	*x = TextureCompressionFormatTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[24]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TextureCompressionFormatTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TextureCompressionFormatTargeting) ProtoMessage() {}
+
+func (x *TextureCompressionFormatTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[24]
+	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 TextureCompressionFormatTargeting.ProtoReflect.Descriptor instead.
 func (*TextureCompressionFormatTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{24}
+	return file_targeting_proto_rawDescGZIP(), []int{24}
 }
 
-func (m *TextureCompressionFormatTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_TextureCompressionFormatTargeting.Unmarshal(m, b)
-}
-func (m *TextureCompressionFormatTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_TextureCompressionFormatTargeting.Marshal(b, m, deterministic)
-}
-func (m *TextureCompressionFormatTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_TextureCompressionFormatTargeting.Merge(m, src)
-}
-func (m *TextureCompressionFormatTargeting) XXX_Size() int {
-	return xxx_messageInfo_TextureCompressionFormatTargeting.Size(m)
-}
-func (m *TextureCompressionFormatTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_TextureCompressionFormatTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_TextureCompressionFormatTargeting proto.InternalMessageInfo
-
-func (m *TextureCompressionFormatTargeting) GetValue() []*TextureCompressionFormat {
-	if m != nil {
-		return m.Value
+func (x *TextureCompressionFormatTargeting) GetValue() []*TextureCompressionFormat {
+	if x != nil {
+		return x.Value
 	}
 	return nil
 }
 
-func (m *TextureCompressionFormatTargeting) GetAlternatives() []*TextureCompressionFormat {
-	if m != nil {
-		return m.Alternatives
+func (x *TextureCompressionFormatTargeting) GetAlternatives() []*TextureCompressionFormat {
+	if x != nil {
+		return x.Alternatives
 	}
 	return nil
 }
 
 type SanitizerTargeting struct {
-	Value                []*Sanitizer `protobuf:"bytes,1,rep,name=value,proto3" json:"value,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
-	XXX_unrecognized     []byte       `json:"-"`
-	XXX_sizecache        int32        `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Value []*Sanitizer `protobuf:"bytes,1,rep,name=value,proto3" json:"value,omitempty"`
 }
 
-func (m *SanitizerTargeting) Reset()         { *m = SanitizerTargeting{} }
-func (m *SanitizerTargeting) String() string { return proto.CompactTextString(m) }
-func (*SanitizerTargeting) ProtoMessage()    {}
+func (x *SanitizerTargeting) Reset() {
+	*x = SanitizerTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[25]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SanitizerTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SanitizerTargeting) ProtoMessage() {}
+
+func (x *SanitizerTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[25]
+	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 SanitizerTargeting.ProtoReflect.Descriptor instead.
 func (*SanitizerTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{25}
+	return file_targeting_proto_rawDescGZIP(), []int{25}
 }
 
-func (m *SanitizerTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SanitizerTargeting.Unmarshal(m, b)
-}
-func (m *SanitizerTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SanitizerTargeting.Marshal(b, m, deterministic)
-}
-func (m *SanitizerTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SanitizerTargeting.Merge(m, src)
-}
-func (m *SanitizerTargeting) XXX_Size() int {
-	return xxx_messageInfo_SanitizerTargeting.Size(m)
-}
-func (m *SanitizerTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_SanitizerTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SanitizerTargeting proto.InternalMessageInfo
-
-func (m *SanitizerTargeting) GetValue() []*Sanitizer {
-	if m != nil {
-		return m.Value
+func (x *SanitizerTargeting) GetValue() []*Sanitizer {
+	if x != nil {
+		return x.Value
 	}
 	return nil
 }
@@ -1559,176 +1842,829 @@
 // the DeviceFeatureTargeting represents only one device feature to retain
 // that convention.
 type DeviceFeatureTargeting struct {
-	RequiredFeature      *DeviceFeature `protobuf:"bytes,1,opt,name=required_feature,json=requiredFeature,proto3" json:"required_feature,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}       `json:"-"`
-	XXX_unrecognized     []byte         `json:"-"`
-	XXX_sizecache        int32          `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	RequiredFeature *DeviceFeature `protobuf:"bytes,1,opt,name=required_feature,json=requiredFeature,proto3" json:"required_feature,omitempty"`
 }
 
-func (m *DeviceFeatureTargeting) Reset()         { *m = DeviceFeatureTargeting{} }
-func (m *DeviceFeatureTargeting) String() string { return proto.CompactTextString(m) }
-func (*DeviceFeatureTargeting) ProtoMessage()    {}
+func (x *DeviceFeatureTargeting) Reset() {
+	*x = DeviceFeatureTargeting{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_targeting_proto_msgTypes[26]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeviceFeatureTargeting) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeviceFeatureTargeting) ProtoMessage() {}
+
+func (x *DeviceFeatureTargeting) ProtoReflect() protoreflect.Message {
+	mi := &file_targeting_proto_msgTypes[26]
+	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 DeviceFeatureTargeting.ProtoReflect.Descriptor instead.
 func (*DeviceFeatureTargeting) Descriptor() ([]byte, []int) {
-	return fileDescriptor_df45b505afdf471e, []int{26}
+	return file_targeting_proto_rawDescGZIP(), []int{26}
 }
 
-func (m *DeviceFeatureTargeting) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_DeviceFeatureTargeting.Unmarshal(m, b)
-}
-func (m *DeviceFeatureTargeting) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_DeviceFeatureTargeting.Marshal(b, m, deterministic)
-}
-func (m *DeviceFeatureTargeting) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DeviceFeatureTargeting.Merge(m, src)
-}
-func (m *DeviceFeatureTargeting) XXX_Size() int {
-	return xxx_messageInfo_DeviceFeatureTargeting.Size(m)
-}
-func (m *DeviceFeatureTargeting) XXX_DiscardUnknown() {
-	xxx_messageInfo_DeviceFeatureTargeting.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_DeviceFeatureTargeting proto.InternalMessageInfo
-
-func (m *DeviceFeatureTargeting) GetRequiredFeature() *DeviceFeature {
-	if m != nil {
-		return m.RequiredFeature
+func (x *DeviceFeatureTargeting) GetRequiredFeature() *DeviceFeature {
+	if x != nil {
+		return x.RequiredFeature
 	}
 	return nil
 }
 
-func init() {
-	proto.RegisterEnum("android.bundle.ScreenDensity_DensityAlias", ScreenDensity_DensityAlias_name, ScreenDensity_DensityAlias_value)
-	proto.RegisterEnum("android.bundle.TextureCompressionFormat_TextureCompressionFormatAlias", TextureCompressionFormat_TextureCompressionFormatAlias_name, TextureCompressionFormat_TextureCompressionFormatAlias_value)
-	proto.RegisterEnum("android.bundle.Abi_AbiAlias", Abi_AbiAlias_name, Abi_AbiAlias_value)
-	proto.RegisterEnum("android.bundle.Sanitizer_SanitizerAlias", Sanitizer_SanitizerAlias_name, Sanitizer_SanitizerAlias_value)
-	proto.RegisterType((*VariantTargeting)(nil), "android.bundle.VariantTargeting")
-	proto.RegisterType((*ApkTargeting)(nil), "android.bundle.ApkTargeting")
-	proto.RegisterType((*ModuleTargeting)(nil), "android.bundle.ModuleTargeting")
-	proto.RegisterType((*UserCountriesTargeting)(nil), "android.bundle.UserCountriesTargeting")
-	proto.RegisterType((*ScreenDensity)(nil), "android.bundle.ScreenDensity")
-	proto.RegisterType((*Int32Value)(nil), "android.bundle.Int32Value")
-	proto.RegisterType((*SdkVersion)(nil), "android.bundle.SdkVersion")
-	proto.RegisterType((*GraphicsApi)(nil), "android.bundle.GraphicsApi")
-	proto.RegisterType((*VulkanVersion)(nil), "android.bundle.VulkanVersion")
-	proto.RegisterType((*OpenGlVersion)(nil), "android.bundle.OpenGlVersion")
-	proto.RegisterType((*TextureCompressionFormat)(nil), "android.bundle.TextureCompressionFormat")
-	proto.RegisterType((*Abi)(nil), "android.bundle.Abi")
-	proto.RegisterType((*MultiAbi)(nil), "android.bundle.MultiAbi")
-	proto.RegisterType((*Sanitizer)(nil), "android.bundle.Sanitizer")
-	proto.RegisterType((*DeviceFeature)(nil), "android.bundle.DeviceFeature")
-	proto.RegisterType((*AssetsDirectoryTargeting)(nil), "android.bundle.AssetsDirectoryTargeting")
-	proto.RegisterType((*NativeDirectoryTargeting)(nil), "android.bundle.NativeDirectoryTargeting")
-	proto.RegisterType((*ApexImageTargeting)(nil), "android.bundle.ApexImageTargeting")
-	proto.RegisterType((*AbiTargeting)(nil), "android.bundle.AbiTargeting")
-	proto.RegisterType((*MultiAbiTargeting)(nil), "android.bundle.MultiAbiTargeting")
-	proto.RegisterType((*ScreenDensityTargeting)(nil), "android.bundle.ScreenDensityTargeting")
-	proto.RegisterType((*LanguageTargeting)(nil), "android.bundle.LanguageTargeting")
-	proto.RegisterType((*GraphicsApiTargeting)(nil), "android.bundle.GraphicsApiTargeting")
-	proto.RegisterType((*SdkVersionTargeting)(nil), "android.bundle.SdkVersionTargeting")
-	proto.RegisterType((*TextureCompressionFormatTargeting)(nil), "android.bundle.TextureCompressionFormatTargeting")
-	proto.RegisterType((*SanitizerTargeting)(nil), "android.bundle.SanitizerTargeting")
-	proto.RegisterType((*DeviceFeatureTargeting)(nil), "android.bundle.DeviceFeatureTargeting")
+var File_targeting_proto protoreflect.FileDescriptor
+
+var file_targeting_proto_rawDesc = []byte{
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 }
 
-func init() {
-	proto.RegisterFile("targeting.proto", fileDescriptor_df45b505afdf471e)
+var (
+	file_targeting_proto_rawDescOnce sync.Once
+	file_targeting_proto_rawDescData = file_targeting_proto_rawDesc
+)
+
+func file_targeting_proto_rawDescGZIP() []byte {
+	file_targeting_proto_rawDescOnce.Do(func() {
+		file_targeting_proto_rawDescData = protoimpl.X.CompressGZIP(file_targeting_proto_rawDescData)
+	})
+	return file_targeting_proto_rawDescData
 }
 
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+var file_targeting_proto_enumTypes = make([]protoimpl.EnumInfo, 4)
+var file_targeting_proto_msgTypes = make([]protoimpl.MessageInfo, 27)
+var file_targeting_proto_goTypes = []interface{}{
+	(ScreenDensity_DensityAlias)(0),                             // 0: android.bundle.ScreenDensity.DensityAlias
+	(TextureCompressionFormat_TextureCompressionFormatAlias)(0), // 1: android.bundle.TextureCompressionFormat.TextureCompressionFormatAlias
+	(Abi_AbiAlias)(0),                         // 2: android.bundle.Abi.AbiAlias
+	(Sanitizer_SanitizerAlias)(0),             // 3: android.bundle.Sanitizer.SanitizerAlias
+	(*VariantTargeting)(nil),                  // 4: android.bundle.VariantTargeting
+	(*ApkTargeting)(nil),                      // 5: android.bundle.ApkTargeting
+	(*ModuleTargeting)(nil),                   // 6: android.bundle.ModuleTargeting
+	(*UserCountriesTargeting)(nil),            // 7: android.bundle.UserCountriesTargeting
+	(*ScreenDensity)(nil),                     // 8: android.bundle.ScreenDensity
+	(*Int32Value)(nil),                        // 9: android.bundle.Int32Value
+	(*SdkVersion)(nil),                        // 10: android.bundle.SdkVersion
+	(*GraphicsApi)(nil),                       // 11: android.bundle.GraphicsApi
+	(*VulkanVersion)(nil),                     // 12: android.bundle.VulkanVersion
+	(*OpenGlVersion)(nil),                     // 13: android.bundle.OpenGlVersion
+	(*TextureCompressionFormat)(nil),          // 14: android.bundle.TextureCompressionFormat
+	(*Abi)(nil),                               // 15: android.bundle.Abi
+	(*MultiAbi)(nil),                          // 16: android.bundle.MultiAbi
+	(*Sanitizer)(nil),                         // 17: android.bundle.Sanitizer
+	(*DeviceFeature)(nil),                     // 18: android.bundle.DeviceFeature
+	(*AssetsDirectoryTargeting)(nil),          // 19: android.bundle.AssetsDirectoryTargeting
+	(*NativeDirectoryTargeting)(nil),          // 20: android.bundle.NativeDirectoryTargeting
+	(*ApexImageTargeting)(nil),                // 21: android.bundle.ApexImageTargeting
+	(*AbiTargeting)(nil),                      // 22: android.bundle.AbiTargeting
+	(*MultiAbiTargeting)(nil),                 // 23: android.bundle.MultiAbiTargeting
+	(*ScreenDensityTargeting)(nil),            // 24: android.bundle.ScreenDensityTargeting
+	(*LanguageTargeting)(nil),                 // 25: android.bundle.LanguageTargeting
+	(*GraphicsApiTargeting)(nil),              // 26: android.bundle.GraphicsApiTargeting
+	(*SdkVersionTargeting)(nil),               // 27: android.bundle.SdkVersionTargeting
+	(*TextureCompressionFormatTargeting)(nil), // 28: android.bundle.TextureCompressionFormatTargeting
+	(*SanitizerTargeting)(nil),                // 29: android.bundle.SanitizerTargeting
+	(*DeviceFeatureTargeting)(nil),            // 30: android.bundle.DeviceFeatureTargeting
+}
+var file_targeting_proto_depIdxs = []int32{
+	27, // 0: android.bundle.VariantTargeting.sdk_version_targeting:type_name -> android.bundle.SdkVersionTargeting
+	22, // 1: android.bundle.VariantTargeting.abi_targeting:type_name -> android.bundle.AbiTargeting
+	24, // 2: android.bundle.VariantTargeting.screen_density_targeting:type_name -> android.bundle.ScreenDensityTargeting
+	23, // 3: android.bundle.VariantTargeting.multi_abi_targeting:type_name -> android.bundle.MultiAbiTargeting
+	28, // 4: android.bundle.VariantTargeting.texture_compression_format_targeting:type_name -> android.bundle.TextureCompressionFormatTargeting
+	22, // 5: android.bundle.ApkTargeting.abi_targeting:type_name -> android.bundle.AbiTargeting
+	26, // 6: android.bundle.ApkTargeting.graphics_api_targeting:type_name -> android.bundle.GraphicsApiTargeting
+	25, // 7: android.bundle.ApkTargeting.language_targeting:type_name -> android.bundle.LanguageTargeting
+	24, // 8: android.bundle.ApkTargeting.screen_density_targeting:type_name -> android.bundle.ScreenDensityTargeting
+	27, // 9: android.bundle.ApkTargeting.sdk_version_targeting:type_name -> android.bundle.SdkVersionTargeting
+	28, // 10: android.bundle.ApkTargeting.texture_compression_format_targeting:type_name -> android.bundle.TextureCompressionFormatTargeting
+	23, // 11: android.bundle.ApkTargeting.multi_abi_targeting:type_name -> android.bundle.MultiAbiTargeting
+	29, // 12: android.bundle.ApkTargeting.sanitizer_targeting:type_name -> android.bundle.SanitizerTargeting
+	27, // 13: android.bundle.ModuleTargeting.sdk_version_targeting:type_name -> android.bundle.SdkVersionTargeting
+	30, // 14: android.bundle.ModuleTargeting.device_feature_targeting:type_name -> android.bundle.DeviceFeatureTargeting
+	7,  // 15: android.bundle.ModuleTargeting.user_countries_targeting:type_name -> android.bundle.UserCountriesTargeting
+	0,  // 16: android.bundle.ScreenDensity.density_alias:type_name -> android.bundle.ScreenDensity.DensityAlias
+	9,  // 17: android.bundle.SdkVersion.min:type_name -> android.bundle.Int32Value
+	13, // 18: android.bundle.GraphicsApi.min_open_gl_version:type_name -> android.bundle.OpenGlVersion
+	12, // 19: android.bundle.GraphicsApi.min_vulkan_version:type_name -> android.bundle.VulkanVersion
+	1,  // 20: android.bundle.TextureCompressionFormat.alias:type_name -> android.bundle.TextureCompressionFormat.TextureCompressionFormatAlias
+	2,  // 21: android.bundle.Abi.alias:type_name -> android.bundle.Abi.AbiAlias
+	15, // 22: android.bundle.MultiAbi.abi:type_name -> android.bundle.Abi
+	3,  // 23: android.bundle.Sanitizer.alias:type_name -> android.bundle.Sanitizer.SanitizerAlias
+	22, // 24: android.bundle.AssetsDirectoryTargeting.abi:type_name -> android.bundle.AbiTargeting
+	26, // 25: android.bundle.AssetsDirectoryTargeting.graphics_api:type_name -> android.bundle.GraphicsApiTargeting
+	28, // 26: android.bundle.AssetsDirectoryTargeting.texture_compression_format:type_name -> android.bundle.TextureCompressionFormatTargeting
+	25, // 27: android.bundle.AssetsDirectoryTargeting.language:type_name -> android.bundle.LanguageTargeting
+	15, // 28: android.bundle.NativeDirectoryTargeting.abi:type_name -> android.bundle.Abi
+	11, // 29: android.bundle.NativeDirectoryTargeting.graphics_api:type_name -> android.bundle.GraphicsApi
+	14, // 30: android.bundle.NativeDirectoryTargeting.texture_compression_format:type_name -> android.bundle.TextureCompressionFormat
+	17, // 31: android.bundle.NativeDirectoryTargeting.sanitizer:type_name -> android.bundle.Sanitizer
+	23, // 32: android.bundle.ApexImageTargeting.multi_abi:type_name -> android.bundle.MultiAbiTargeting
+	15, // 33: android.bundle.AbiTargeting.value:type_name -> android.bundle.Abi
+	15, // 34: android.bundle.AbiTargeting.alternatives:type_name -> android.bundle.Abi
+	16, // 35: android.bundle.MultiAbiTargeting.value:type_name -> android.bundle.MultiAbi
+	16, // 36: android.bundle.MultiAbiTargeting.alternatives:type_name -> android.bundle.MultiAbi
+	8,  // 37: android.bundle.ScreenDensityTargeting.value:type_name -> android.bundle.ScreenDensity
+	8,  // 38: android.bundle.ScreenDensityTargeting.alternatives:type_name -> android.bundle.ScreenDensity
+	11, // 39: android.bundle.GraphicsApiTargeting.value:type_name -> android.bundle.GraphicsApi
+	11, // 40: android.bundle.GraphicsApiTargeting.alternatives:type_name -> android.bundle.GraphicsApi
+	10, // 41: android.bundle.SdkVersionTargeting.value:type_name -> android.bundle.SdkVersion
+	10, // 42: android.bundle.SdkVersionTargeting.alternatives:type_name -> android.bundle.SdkVersion
+	14, // 43: android.bundle.TextureCompressionFormatTargeting.value:type_name -> android.bundle.TextureCompressionFormat
+	14, // 44: android.bundle.TextureCompressionFormatTargeting.alternatives:type_name -> android.bundle.TextureCompressionFormat
+	17, // 45: android.bundle.SanitizerTargeting.value:type_name -> android.bundle.Sanitizer
+	18, // 46: android.bundle.DeviceFeatureTargeting.required_feature:type_name -> android.bundle.DeviceFeature
+	47, // [47:47] is the sub-list for method output_type
+	47, // [47:47] is the sub-list for method input_type
+	47, // [47:47] is the sub-list for extension type_name
+	47, // [47:47] is the sub-list for extension extendee
+	0,  // [0:47] is the sub-list for field type_name
+}
+
+func init() { file_targeting_proto_init() }
+func file_targeting_proto_init() {
+	if File_targeting_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_targeting_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*VariantTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ApkTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ModuleTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*UserCountriesTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ScreenDensity); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Int32Value); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SdkVersion); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GraphicsApi); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*VulkanVersion); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*OpenGlVersion); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TextureCompressionFormat); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Abi); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MultiAbi); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Sanitizer); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DeviceFeature); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AssetsDirectoryTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*NativeDirectoryTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ApexImageTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AbiTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MultiAbiTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ScreenDensityTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*LanguageTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GraphicsApiTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SdkVersionTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TextureCompressionFormatTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SanitizerTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_targeting_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DeviceFeatureTargeting); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_targeting_proto_msgTypes[4].OneofWrappers = []interface{}{
+		(*ScreenDensity_DensityAlias_)(nil),
+		(*ScreenDensity_DensityDpi)(nil),
+	}
+	file_targeting_proto_msgTypes[7].OneofWrappers = []interface{}{
+		(*GraphicsApi_MinOpenGlVersion)(nil),
+		(*GraphicsApi_MinVulkanVersion)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_targeting_proto_rawDesc,
+			NumEnums:      4,
+			NumMessages:   27,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_targeting_proto_goTypes,
+		DependencyIndexes: file_targeting_proto_depIdxs,
+		EnumInfos:         file_targeting_proto_enumTypes,
+		MessageInfos:      file_targeting_proto_msgTypes,
+	}.Build()
+	File_targeting_proto = out.File
+	file_targeting_proto_rawDesc = nil
+	file_targeting_proto_goTypes = nil
+	file_targeting_proto_depIdxs = nil
 }
diff --git a/cmd/extract_apks/bundle_proto/targeting.proto b/cmd/extract_apks/bundle_proto/targeting.proto
index cdc910b..a33edc7 100644
--- a/cmd/extract_apks/bundle_proto/targeting.proto
+++ b/cmd/extract_apks/bundle_proto/targeting.proto
@@ -6,7 +6,7 @@
 
 package android.bundle;
 
-option go_package = "android_bundle_proto";
+option go_package = "android/soong/cmd/extract_apks/bundle_proto";
 option java_package = "com.android.bundle";
 
 // Targeting on the level of variants.
diff --git a/cmd/extract_apks/main.go b/cmd/extract_apks/main.go
index db54ffb..6e51a28 100644
--- a/cmd/extract_apks/main.go
+++ b/cmd/extract_apks/main.go
@@ -27,9 +27,9 @@
 	"sort"
 	"strings"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/proto"
 
-	"android/soong/cmd/extract_apks/bundle_proto"
+	android_bundle_proto "android/soong/cmd/extract_apks/bundle_proto"
 	"android/soong/third_party/zip"
 )
 
diff --git a/cmd/extract_apks/main_test.go b/cmd/extract_apks/main_test.go
index c3e6a2d..9fcf324 100644
--- a/cmd/extract_apks/main_test.go
+++ b/cmd/extract_apks/main_test.go
@@ -19,7 +19,7 @@
 	"reflect"
 	"testing"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/encoding/prototext"
 
 	bp "android/soong/cmd/extract_apks/bundle_proto"
 	"android/soong/third_party/zip"
@@ -253,7 +253,7 @@
 	}
 	for _, testCase := range testCases {
 		var toc bp.BuildApksResult
-		if err := proto.UnmarshalText(testCase.protoText, &toc); err != nil {
+		if err := prototext.Unmarshal([]byte(testCase.protoText), &toc); err != nil {
 			t.Fatal(err)
 		}
 		for _, config := range testCase.configs {
@@ -407,7 +407,7 @@
 	}
 	for _, testCase := range testCases {
 		var toc bp.BuildApksResult
-		if err := proto.UnmarshalText(testCase.protoText, &toc); err != nil {
+		if err := prototext.Unmarshal([]byte(testCase.protoText), &toc); err != nil {
 			t.Fatal(err)
 		}
 		for _, config := range testCase.configs {
diff --git a/cmd/go2bp/go2bp.go b/cmd/go2bp/go2bp.go
index 67138f1..07cb5df 100644
--- a/cmd/go2bp/go2bp.go
+++ b/cmd/go2bp/go2bp.go
@@ -88,11 +88,24 @@
 var excludeDeps = make(Exclude)
 var excludeSrcs = make(Exclude)
 
+type StringList []string
+
+func (l *StringList) String() string {
+	return strings.Join(*l, " ")
+}
+
+func (l *StringList) Set(v string) error {
+	*l = append(*l, strings.Fields(v)...)
+	return nil
+}
+
 type GoModule struct {
 	Dir string
 }
 
 type GoPackage struct {
+	ExportToAndroid bool
+
 	Dir         string
 	ImportPath  string
 	Name        string
@@ -117,7 +130,7 @@
 
 func (g GoPackage) BpName() string {
 	if g.IsCommand() {
-		return filepath.Base(g.ImportPath)
+		return rewriteNames.GoToBp(filepath.Base(g.ImportPath))
 	}
 	return rewriteNames.GoToBp(g.ImportPath)
 }
@@ -279,6 +292,10 @@
      Don't put the specified go package in the dependency lists.
   -exclude-srcs <module>
      Don't put the specified source files in srcs or testSrcs lists.
+  -limit <package>
+     If set, limit the output to the specified packages and their dependencies.
+  -skip-tests
+     If passed, don't write out any test srcs or dependencies to the Android.bp output.
   -regen <file>
      Read arguments from <file> and overwrite it.
 
@@ -286,11 +303,15 @@
 	}
 
 	var regen string
+	var skipTests bool
+	limit := StringList{}
 
 	flag.Var(&excludes, "exclude", "Exclude go package")
 	flag.Var(&excludeDeps, "exclude-dep", "Exclude go package from deps")
 	flag.Var(&excludeSrcs, "exclude-src", "Exclude go file from source lists")
 	flag.Var(&rewriteNames, "rewrite", "Regex(es) to rewrite artifact names")
+	flag.Var(&limit, "limit", "If set, only includes the dependencies of the listed packages")
+	flag.BoolVar(&skipTests, "skip-tests", false, "Whether to skip test sources")
 	flag.StringVar(&regen, "regen", "", "Rewrite specified file")
 	flag.Parse()
 
@@ -321,7 +342,8 @@
 	}
 	decoder := json.NewDecoder(bytes.NewReader(output))
 
-	pkgs := []GoPackage{}
+	pkgs := []*GoPackage{}
+	pkgMap := map[string]*GoPackage{}
 	for decoder.More() {
 		pkg := GoPackage{}
 		err := decoder.Decode(&pkg)
@@ -329,7 +351,15 @@
 			fmt.Fprintf(os.Stderr, "Failed to parse json: %v\n", err)
 			os.Exit(1)
 		}
-		pkgs = append(pkgs, pkg)
+		if len(limit) == 0 {
+			pkg.ExportToAndroid = true
+		}
+		if skipTests {
+			pkg.TestGoFiles = nil
+			pkg.TestImports = nil
+		}
+		pkgs = append(pkgs, &pkg)
+		pkgMap[pkg.ImportPath] = &pkg
 	}
 
 	buf := &bytes.Buffer{}
@@ -337,8 +367,27 @@
 	fmt.Fprintln(buf, "// Automatically generated with:")
 	fmt.Fprintln(buf, "// go2bp", strings.Join(proptools.ShellEscapeList(os.Args[1:]), " "))
 
+	var mark func(string)
+	mark = func(pkgName string) {
+		if excludes[pkgName] {
+			return
+		}
+		if pkg, ok := pkgMap[pkgName]; ok && !pkg.ExportToAndroid {
+			pkg.ExportToAndroid = true
+			for _, dep := range pkg.AllImports() {
+				if !excludeDeps[dep] {
+					mark(dep)
+				}
+			}
+		}
+	}
+
+	for _, pkgName := range limit {
+		mark(pkgName)
+	}
+
 	for _, pkg := range pkgs {
-		if excludes[pkg.ImportPath] {
+		if !pkg.ExportToAndroid || excludes[pkg.ImportPath] {
 			continue
 		}
 		if len(pkg.BpSrcs(pkg.GoFiles)) == 0 && len(pkg.BpSrcs(pkg.TestGoFiles)) == 0 {
diff --git a/cmd/run_with_timeout/run_with_timeout.go b/cmd/run_with_timeout/run_with_timeout.go
index f2caaab..deaa842 100644
--- a/cmd/run_with_timeout/run_with_timeout.go
+++ b/cmd/run_with_timeout/run_with_timeout.go
@@ -47,7 +47,7 @@
 	flag.Parse()
 
 	if flag.NArg() < 1 {
-		fmt.Fprintln(os.Stderr, "command is required")
+		fmt.Fprintf(os.Stderr, "%s: error: command is required\n", os.Args[0])
 		usage()
 	}
 
@@ -55,9 +55,9 @@
 		os.Stdin, os.Stdout, os.Stderr)
 	if err != nil {
 		if exitErr, ok := err.(*exec.ExitError); ok {
-			fmt.Fprintln(os.Stderr, "process exited with error:", exitErr.Error())
+			fmt.Fprintf(os.Stderr, "%s: process exited with error: %s\n", os.Args[0], exitErr.Error())
 		} else {
-			fmt.Fprintln(os.Stderr, "error:", err.Error())
+			fmt.Fprintf(os.Stderr, "%s: error: %s\n", os.Args[0], err.Error())
 		}
 		os.Exit(1)
 	}
@@ -115,6 +115,7 @@
 	if timeout > 0 {
 		timeoutCh = time.After(timeout)
 	}
+	startTime := time.Now()
 
 	select {
 	case err := <-waitCh:
@@ -126,10 +127,12 @@
 		// Continue below.
 	}
 
+	fmt.Fprintf(concurrentStderr, "%s: process timed out after %s\n", os.Args[0], time.Since(startTime))
 	// Process timed out before exiting.
 	defer cmd.Process.Signal(syscall.SIGKILL)
 
 	if onTimeoutCmdStr != "" {
+		fmt.Fprintf(concurrentStderr, "%s: running on_timeout command `%s`\n", os.Args[0], onTimeoutCmdStr)
 		onTimeoutCmd := exec.Command("sh", "-c", onTimeoutCmdStr)
 		onTimeoutCmd.Stdin, onTimeoutCmd.Stdout, onTimeoutCmd.Stderr = stdin, concurrentStdout, concurrentStderr
 		onTimeoutCmd.Env = append(os.Environ(), fmt.Sprintf("PID=%d", cmd.Process.Pid))
diff --git a/cmd/run_with_timeout/run_with_timeout_test.go b/cmd/run_with_timeout/run_with_timeout_test.go
index aebd336..ed6ec11 100644
--- a/cmd/run_with_timeout/run_with_timeout_test.go
+++ b/cmd/run_with_timeout/run_with_timeout_test.go
@@ -17,6 +17,7 @@
 import (
 	"bytes"
 	"io"
+	"regexp"
 	"testing"
 	"time"
 )
@@ -60,7 +61,8 @@
 				args:    []string{"-c", "sleep 1 && echo foo"},
 				timeout: 1 * time.Millisecond,
 			},
-			wantErr: true,
+			wantStderr: ".*: process timed out after .*\n",
+			wantErr:    true,
 		},
 		{
 			name: "on_timeout command",
@@ -71,6 +73,7 @@
 				onTimeoutCmd: "echo bar",
 			},
 			wantStdout: "bar\n",
+			wantStderr: ".*: process timed out after .*\n.*: running on_timeout command `echo bar`\n",
 			wantErr:    true,
 		},
 	}
@@ -86,7 +89,7 @@
 			if gotStdout := stdout.String(); gotStdout != tt.wantStdout {
 				t.Errorf("runWithTimeout() gotStdout = %v, want %v", gotStdout, tt.wantStdout)
 			}
-			if gotStderr := stderr.String(); gotStderr != tt.wantStderr {
+			if gotStderr := stderr.String(); !regexp.MustCompile(tt.wantStderr).MatchString(gotStderr) {
 				t.Errorf("runWithTimeout() gotStderr = %v, want %v", gotStderr, tt.wantStderr)
 			}
 		})
diff --git a/cmd/sbox/Android.bp b/cmd/sbox/Android.bp
index b8d75ed..454cfd8 100644
--- a/cmd/sbox/Android.bp
+++ b/cmd/sbox/Android.bp
@@ -19,6 +19,7 @@
 blueprint_go_binary {
     name: "sbox",
     deps: [
+        "golang-protobuf-encoding-prototext",
         "sbox_proto",
         "soong-makedeps",
         "soong-response",
@@ -31,7 +32,10 @@
 bootstrap_go_package {
     name: "sbox_proto",
     pkgPath: "android/soong/cmd/sbox/sbox_proto",
-    deps: ["golang-protobuf-proto"],
+    deps: [
+        "golang-protobuf-reflect-protoreflect",
+        "golang-protobuf-runtime-protoimpl",
+    ],
     srcs: [
         "sbox_proto/sbox.pb.go",
     ],
diff --git a/cmd/sbox/sbox.go b/cmd/sbox/sbox.go
index f124e40..c7f3f6a 100644
--- a/cmd/sbox/sbox.go
+++ b/cmd/sbox/sbox.go
@@ -34,7 +34,7 @@
 	"android/soong/makedeps"
 	"android/soong/response"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/encoding/prototext"
 )
 
 var (
@@ -203,7 +203,7 @@
 
 	manifest := sbox_proto.Manifest{}
 
-	err = proto.UnmarshalText(string(manifestData), &manifest)
+	err = prototext.Unmarshal(manifestData, &manifest)
 	if err != nil {
 		return nil, fmt.Errorf("error parsing manifest %q: %w", file, err)
 	}
diff --git a/cmd/sbox/sbox_proto/sbox.pb.go b/cmd/sbox/sbox_proto/sbox.pb.go
index b996481..7c84f2c 100644
--- a/cmd/sbox/sbox_proto/sbox.pb.go
+++ b/cmd/sbox/sbox_proto/sbox.pb.go
@@ -1,78 +1,104 @@
+// Copyright 2020 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.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.9.1
 // source: sbox.proto
 
 package sbox_proto
 
 import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
 
 // A set of commands to run in a sandbox.
 type Manifest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// A list of commands to run in the sandbox.
 	Commands []*Command `protobuf:"bytes,1,rep,name=commands" json:"commands,omitempty"`
 	// If set, GCC-style dependency files from any command that references __SBOX_DEPFILE__ will be
 	// merged into the given output file relative to the $PWD when sbox was started.
-	OutputDepfile        *string  `protobuf:"bytes,2,opt,name=output_depfile,json=outputDepfile" json:"output_depfile,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	OutputDepfile *string `protobuf:"bytes,2,opt,name=output_depfile,json=outputDepfile" json:"output_depfile,omitempty"`
 }
 
-func (m *Manifest) Reset()         { *m = Manifest{} }
-func (m *Manifest) String() string { return proto.CompactTextString(m) }
-func (*Manifest) ProtoMessage()    {}
+func (x *Manifest) Reset() {
+	*x = Manifest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_sbox_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Manifest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Manifest) ProtoMessage() {}
+
+func (x *Manifest) ProtoReflect() protoreflect.Message {
+	mi := &file_sbox_proto_msgTypes[0]
+	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 Manifest.ProtoReflect.Descriptor instead.
 func (*Manifest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_9d0425bf0de86ed1, []int{0}
+	return file_sbox_proto_rawDescGZIP(), []int{0}
 }
 
-func (m *Manifest) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Manifest.Unmarshal(m, b)
-}
-func (m *Manifest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Manifest.Marshal(b, m, deterministic)
-}
-func (m *Manifest) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Manifest.Merge(m, src)
-}
-func (m *Manifest) XXX_Size() int {
-	return xxx_messageInfo_Manifest.Size(m)
-}
-func (m *Manifest) XXX_DiscardUnknown() {
-	xxx_messageInfo_Manifest.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Manifest proto.InternalMessageInfo
-
-func (m *Manifest) GetCommands() []*Command {
-	if m != nil {
-		return m.Commands
+func (x *Manifest) GetCommands() []*Command {
+	if x != nil {
+		return x.Commands
 	}
 	return nil
 }
 
-func (m *Manifest) GetOutputDepfile() string {
-	if m != nil && m.OutputDepfile != nil {
-		return *m.OutputDepfile
+func (x *Manifest) GetOutputDepfile() string {
+	if x != nil && x.OutputDepfile != nil {
+		return *x.OutputDepfile
 	}
 	return ""
 }
 
 // SandboxManifest describes a command to run in the sandbox.
 type Command struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// A list of copy rules to run before the sandboxed command.  The from field is relative to the
 	// $PWD when sbox was run, the to field is relative to the top of the temporary sandbox directory.
 	CopyBefore []*Copy `protobuf:"bytes,1,rep,name=copy_before,json=copyBefore" json:"copy_before,omitempty"`
@@ -89,75 +115,79 @@
 	InputHash *string `protobuf:"bytes,5,opt,name=input_hash,json=inputHash" json:"input_hash,omitempty"`
 	// A list of files that will be copied before the sandboxed command, and whose contents should be
 	// copied as if they were listed in copy_before.
-	RspFiles             []*RspFile `protobuf:"bytes,6,rep,name=rsp_files,json=rspFiles" json:"rsp_files,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
-	XXX_unrecognized     []byte     `json:"-"`
-	XXX_sizecache        int32      `json:"-"`
+	RspFiles []*RspFile `protobuf:"bytes,6,rep,name=rsp_files,json=rspFiles" json:"rsp_files,omitempty"`
 }
 
-func (m *Command) Reset()         { *m = Command{} }
-func (m *Command) String() string { return proto.CompactTextString(m) }
-func (*Command) ProtoMessage()    {}
+func (x *Command) Reset() {
+	*x = Command{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_sbox_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Command) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Command) ProtoMessage() {}
+
+func (x *Command) ProtoReflect() protoreflect.Message {
+	mi := &file_sbox_proto_msgTypes[1]
+	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 Command.ProtoReflect.Descriptor instead.
 func (*Command) Descriptor() ([]byte, []int) {
-	return fileDescriptor_9d0425bf0de86ed1, []int{1}
+	return file_sbox_proto_rawDescGZIP(), []int{1}
 }
 
-func (m *Command) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Command.Unmarshal(m, b)
-}
-func (m *Command) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Command.Marshal(b, m, deterministic)
-}
-func (m *Command) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Command.Merge(m, src)
-}
-func (m *Command) XXX_Size() int {
-	return xxx_messageInfo_Command.Size(m)
-}
-func (m *Command) XXX_DiscardUnknown() {
-	xxx_messageInfo_Command.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Command proto.InternalMessageInfo
-
-func (m *Command) GetCopyBefore() []*Copy {
-	if m != nil {
-		return m.CopyBefore
+func (x *Command) GetCopyBefore() []*Copy {
+	if x != nil {
+		return x.CopyBefore
 	}
 	return nil
 }
 
-func (m *Command) GetChdir() bool {
-	if m != nil && m.Chdir != nil {
-		return *m.Chdir
+func (x *Command) GetChdir() bool {
+	if x != nil && x.Chdir != nil {
+		return *x.Chdir
 	}
 	return false
 }
 
-func (m *Command) GetCommand() string {
-	if m != nil && m.Command != nil {
-		return *m.Command
+func (x *Command) GetCommand() string {
+	if x != nil && x.Command != nil {
+		return *x.Command
 	}
 	return ""
 }
 
-func (m *Command) GetCopyAfter() []*Copy {
-	if m != nil {
-		return m.CopyAfter
+func (x *Command) GetCopyAfter() []*Copy {
+	if x != nil {
+		return x.CopyAfter
 	}
 	return nil
 }
 
-func (m *Command) GetInputHash() string {
-	if m != nil && m.InputHash != nil {
-		return *m.InputHash
+func (x *Command) GetInputHash() string {
+	if x != nil && x.InputHash != nil {
+		return *x.InputHash
 	}
 	return ""
 }
 
-func (m *Command) GetRspFiles() []*RspFile {
-	if m != nil {
-		return m.RspFiles
+func (x *Command) GetRspFiles() []*RspFile {
+	if x != nil {
+		return x.RspFiles
 	}
 	return nil
 }
@@ -166,193 +196,341 @@
 // are relative to is specific to the context the Copy is used in and will be different for
 // from and to.
 type Copy struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	From *string `protobuf:"bytes,1,req,name=from" json:"from,omitempty"`
 	To   *string `protobuf:"bytes,2,req,name=to" json:"to,omitempty"`
 	// If true, make the file executable after copying it.
-	Executable           *bool    `protobuf:"varint,3,opt,name=executable" json:"executable,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Executable *bool `protobuf:"varint,3,opt,name=executable" json:"executable,omitempty"`
 }
 
-func (m *Copy) Reset()         { *m = Copy{} }
-func (m *Copy) String() string { return proto.CompactTextString(m) }
-func (*Copy) ProtoMessage()    {}
+func (x *Copy) Reset() {
+	*x = Copy{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_sbox_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Copy) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Copy) ProtoMessage() {}
+
+func (x *Copy) ProtoReflect() protoreflect.Message {
+	mi := &file_sbox_proto_msgTypes[2]
+	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 Copy.ProtoReflect.Descriptor instead.
 func (*Copy) Descriptor() ([]byte, []int) {
-	return fileDescriptor_9d0425bf0de86ed1, []int{2}
+	return file_sbox_proto_rawDescGZIP(), []int{2}
 }
 
-func (m *Copy) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Copy.Unmarshal(m, b)
-}
-func (m *Copy) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Copy.Marshal(b, m, deterministic)
-}
-func (m *Copy) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Copy.Merge(m, src)
-}
-func (m *Copy) XXX_Size() int {
-	return xxx_messageInfo_Copy.Size(m)
-}
-func (m *Copy) XXX_DiscardUnknown() {
-	xxx_messageInfo_Copy.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Copy proto.InternalMessageInfo
-
-func (m *Copy) GetFrom() string {
-	if m != nil && m.From != nil {
-		return *m.From
+func (x *Copy) GetFrom() string {
+	if x != nil && x.From != nil {
+		return *x.From
 	}
 	return ""
 }
 
-func (m *Copy) GetTo() string {
-	if m != nil && m.To != nil {
-		return *m.To
+func (x *Copy) GetTo() string {
+	if x != nil && x.To != nil {
+		return *x.To
 	}
 	return ""
 }
 
-func (m *Copy) GetExecutable() bool {
-	if m != nil && m.Executable != nil {
-		return *m.Executable
+func (x *Copy) GetExecutable() bool {
+	if x != nil && x.Executable != nil {
+		return *x.Executable
 	}
 	return false
 }
 
 // RspFile describes an rspfile that should be copied into the sandbox directory.
 type RspFile struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// The path to the rsp file.
 	File *string `protobuf:"bytes,1,req,name=file" json:"file,omitempty"`
 	// A list of path mappings that should be applied to each file listed in the rsp file.
-	PathMappings         []*PathMapping `protobuf:"bytes,2,rep,name=path_mappings,json=pathMappings" json:"path_mappings,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}       `json:"-"`
-	XXX_unrecognized     []byte         `json:"-"`
-	XXX_sizecache        int32          `json:"-"`
+	PathMappings []*PathMapping `protobuf:"bytes,2,rep,name=path_mappings,json=pathMappings" json:"path_mappings,omitempty"`
 }
 
-func (m *RspFile) Reset()         { *m = RspFile{} }
-func (m *RspFile) String() string { return proto.CompactTextString(m) }
-func (*RspFile) ProtoMessage()    {}
+func (x *RspFile) Reset() {
+	*x = RspFile{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_sbox_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RspFile) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RspFile) ProtoMessage() {}
+
+func (x *RspFile) ProtoReflect() protoreflect.Message {
+	mi := &file_sbox_proto_msgTypes[3]
+	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 RspFile.ProtoReflect.Descriptor instead.
 func (*RspFile) Descriptor() ([]byte, []int) {
-	return fileDescriptor_9d0425bf0de86ed1, []int{3}
+	return file_sbox_proto_rawDescGZIP(), []int{3}
 }
 
-func (m *RspFile) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_RspFile.Unmarshal(m, b)
-}
-func (m *RspFile) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_RspFile.Marshal(b, m, deterministic)
-}
-func (m *RspFile) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_RspFile.Merge(m, src)
-}
-func (m *RspFile) XXX_Size() int {
-	return xxx_messageInfo_RspFile.Size(m)
-}
-func (m *RspFile) XXX_DiscardUnknown() {
-	xxx_messageInfo_RspFile.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_RspFile proto.InternalMessageInfo
-
-func (m *RspFile) GetFile() string {
-	if m != nil && m.File != nil {
-		return *m.File
+func (x *RspFile) GetFile() string {
+	if x != nil && x.File != nil {
+		return *x.File
 	}
 	return ""
 }
 
-func (m *RspFile) GetPathMappings() []*PathMapping {
-	if m != nil {
-		return m.PathMappings
+func (x *RspFile) GetPathMappings() []*PathMapping {
+	if x != nil {
+		return x.PathMappings
 	}
 	return nil
 }
 
 // PathMapping describes a mapping from a path outside the sandbox to the path inside the sandbox.
 type PathMapping struct {
-	From                 *string  `protobuf:"bytes,1,req,name=from" json:"from,omitempty"`
-	To                   *string  `protobuf:"bytes,2,req,name=to" json:"to,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	From *string `protobuf:"bytes,1,req,name=from" json:"from,omitempty"`
+	To   *string `protobuf:"bytes,2,req,name=to" json:"to,omitempty"`
 }
 
-func (m *PathMapping) Reset()         { *m = PathMapping{} }
-func (m *PathMapping) String() string { return proto.CompactTextString(m) }
-func (*PathMapping) ProtoMessage()    {}
+func (x *PathMapping) Reset() {
+	*x = PathMapping{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_sbox_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PathMapping) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PathMapping) ProtoMessage() {}
+
+func (x *PathMapping) ProtoReflect() protoreflect.Message {
+	mi := &file_sbox_proto_msgTypes[4]
+	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 PathMapping.ProtoReflect.Descriptor instead.
 func (*PathMapping) Descriptor() ([]byte, []int) {
-	return fileDescriptor_9d0425bf0de86ed1, []int{4}
+	return file_sbox_proto_rawDescGZIP(), []int{4}
 }
 
-func (m *PathMapping) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_PathMapping.Unmarshal(m, b)
-}
-func (m *PathMapping) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_PathMapping.Marshal(b, m, deterministic)
-}
-func (m *PathMapping) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_PathMapping.Merge(m, src)
-}
-func (m *PathMapping) XXX_Size() int {
-	return xxx_messageInfo_PathMapping.Size(m)
-}
-func (m *PathMapping) XXX_DiscardUnknown() {
-	xxx_messageInfo_PathMapping.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_PathMapping proto.InternalMessageInfo
-
-func (m *PathMapping) GetFrom() string {
-	if m != nil && m.From != nil {
-		return *m.From
+func (x *PathMapping) GetFrom() string {
+	if x != nil && x.From != nil {
+		return *x.From
 	}
 	return ""
 }
 
-func (m *PathMapping) GetTo() string {
-	if m != nil && m.To != nil {
-		return *m.To
+func (x *PathMapping) GetTo() string {
+	if x != nil && x.To != nil {
+		return *x.To
 	}
 	return ""
 }
 
-func init() {
-	proto.RegisterType((*Manifest)(nil), "sbox.Manifest")
-	proto.RegisterType((*Command)(nil), "sbox.Command")
-	proto.RegisterType((*Copy)(nil), "sbox.Copy")
-	proto.RegisterType((*RspFile)(nil), "sbox.RspFile")
-	proto.RegisterType((*PathMapping)(nil), "sbox.PathMapping")
+var File_sbox_proto protoreflect.FileDescriptor
+
+var file_sbox_proto_rawDesc = []byte{
+	0x0a, 0x0a, 0x73, 0x62, 0x6f, 0x78, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x04, 0x73, 0x62,
+	0x6f, 0x78, 0x22, 0x5c, 0x0a, 0x08, 0x4d, 0x61, 0x6e, 0x69, 0x66, 0x65, 0x73, 0x74, 0x12, 0x29,
+	0x0a, 0x08, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b,
+	0x32, 0x0d, 0x2e, 0x73, 0x62, 0x6f, 0x78, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x52,
+	0x08, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x73, 0x12, 0x25, 0x0a, 0x0e, 0x6f, 0x75, 0x74,
+	0x70, 0x75, 0x74, 0x5f, 0x64, 0x65, 0x70, 0x66, 0x69, 0x6c, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28,
+	0x09, 0x52, 0x0d, 0x6f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x44, 0x65, 0x70, 0x66, 0x69, 0x6c, 0x65,
+	0x22, 0xdc, 0x01, 0x0a, 0x07, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x2b, 0x0a, 0x0b,
+	0x63, 0x6f, 0x70, 0x79, 0x5f, 0x62, 0x65, 0x66, 0x6f, 0x72, 0x65, 0x18, 0x01, 0x20, 0x03, 0x28,
+	0x0b, 0x32, 0x0a, 0x2e, 0x73, 0x62, 0x6f, 0x78, 0x2e, 0x43, 0x6f, 0x70, 0x79, 0x52, 0x0a, 0x63,
+	0x6f, 0x70, 0x79, 0x42, 0x65, 0x66, 0x6f, 0x72, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x63, 0x68, 0x64,
+	0x69, 0x72, 0x18, 0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x05, 0x63, 0x68, 0x64, 0x69, 0x72, 0x12,
+	0x18, 0x0a, 0x07, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x18, 0x03, 0x20, 0x02, 0x28, 0x09,
+	0x52, 0x07, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x29, 0x0a, 0x0a, 0x63, 0x6f, 0x70,
+	0x79, 0x5f, 0x61, 0x66, 0x74, 0x65, 0x72, 0x18, 0x04, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x0a, 0x2e,
+	0x73, 0x62, 0x6f, 0x78, 0x2e, 0x43, 0x6f, 0x70, 0x79, 0x52, 0x09, 0x63, 0x6f, 0x70, 0x79, 0x41,
+	0x66, 0x74, 0x65, 0x72, 0x12, 0x1d, 0x0a, 0x0a, 0x69, 0x6e, 0x70, 0x75, 0x74, 0x5f, 0x68, 0x61,
+	0x73, 0x68, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x69, 0x6e, 0x70, 0x75, 0x74, 0x48,
+	0x61, 0x73, 0x68, 0x12, 0x2a, 0x0a, 0x09, 0x72, 0x73, 0x70, 0x5f, 0x66, 0x69, 0x6c, 0x65, 0x73,
+	0x18, 0x06, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x0d, 0x2e, 0x73, 0x62, 0x6f, 0x78, 0x2e, 0x52, 0x73,
+	0x70, 0x46, 0x69, 0x6c, 0x65, 0x52, 0x08, 0x72, 0x73, 0x70, 0x46, 0x69, 0x6c, 0x65, 0x73, 0x22,
+	0x4a, 0x0a, 0x04, 0x43, 0x6f, 0x70, 0x79, 0x12, 0x12, 0x0a, 0x04, 0x66, 0x72, 0x6f, 0x6d, 0x18,
+	0x01, 0x20, 0x02, 0x28, 0x09, 0x52, 0x04, 0x66, 0x72, 0x6f, 0x6d, 0x12, 0x0e, 0x0a, 0x02, 0x74,
+	0x6f, 0x18, 0x02, 0x20, 0x02, 0x28, 0x09, 0x52, 0x02, 0x74, 0x6f, 0x12, 0x1e, 0x0a, 0x0a, 0x65,
+	0x78, 0x65, 0x63, 0x75, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x08, 0x52,
+	0x0a, 0x65, 0x78, 0x65, 0x63, 0x75, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x22, 0x55, 0x0a, 0x07, 0x52,
+	0x73, 0x70, 0x46, 0x69, 0x6c, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x66, 0x69, 0x6c, 0x65, 0x18, 0x01,
+	0x20, 0x02, 0x28, 0x09, 0x52, 0x04, 0x66, 0x69, 0x6c, 0x65, 0x12, 0x36, 0x0a, 0x0d, 0x70, 0x61,
+	0x74, 0x68, 0x5f, 0x6d, 0x61, 0x70, 0x70, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x02, 0x20, 0x03, 0x28,
+	0x0b, 0x32, 0x11, 0x2e, 0x73, 0x62, 0x6f, 0x78, 0x2e, 0x50, 0x61, 0x74, 0x68, 0x4d, 0x61, 0x70,
+	0x70, 0x69, 0x6e, 0x67, 0x52, 0x0c, 0x70, 0x61, 0x74, 0x68, 0x4d, 0x61, 0x70, 0x70, 0x69, 0x6e,
+	0x67, 0x73, 0x22, 0x31, 0x0a, 0x0b, 0x50, 0x61, 0x74, 0x68, 0x4d, 0x61, 0x70, 0x70, 0x69, 0x6e,
+	0x67, 0x12, 0x12, 0x0a, 0x04, 0x66, 0x72, 0x6f, 0x6d, 0x18, 0x01, 0x20, 0x02, 0x28, 0x09, 0x52,
+	0x04, 0x66, 0x72, 0x6f, 0x6d, 0x12, 0x0e, 0x0a, 0x02, 0x74, 0x6f, 0x18, 0x02, 0x20, 0x02, 0x28,
+	0x09, 0x52, 0x02, 0x74, 0x6f, 0x42, 0x23, 0x5a, 0x21, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64,
+	0x2f, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x2f, 0x63, 0x6d, 0x64, 0x2f, 0x73, 0x62, 0x6f, 0x78, 0x2f,
+	0x73, 0x62, 0x6f, 0x78, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 }
 
-func init() {
-	proto.RegisterFile("sbox.proto", fileDescriptor_9d0425bf0de86ed1)
+var (
+	file_sbox_proto_rawDescOnce sync.Once
+	file_sbox_proto_rawDescData = file_sbox_proto_rawDesc
+)
+
+func file_sbox_proto_rawDescGZIP() []byte {
+	file_sbox_proto_rawDescOnce.Do(func() {
+		file_sbox_proto_rawDescData = protoimpl.X.CompressGZIP(file_sbox_proto_rawDescData)
+	})
+	return file_sbox_proto_rawDescData
 }
 
-var fileDescriptor_9d0425bf0de86ed1 = []byte{
-	// 342 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x92, 0x5f, 0x4b, 0xc3, 0x30,
-	0x14, 0xc5, 0x69, 0xd7, 0xb9, 0xf6, 0xee, 0x0f, 0x18, 0x7c, 0xc8, 0x8b, 0x32, 0x0a, 0xc2, 0xa6,
-	0x30, 0xd0, 0x07, 0xdf, 0x9d, 0x22, 0x22, 0x0c, 0x24, 0xe0, 0x8b, 0x08, 0x25, 0xeb, 0x52, 0x5b,
-	0x58, 0x9b, 0x90, 0x64, 0xb0, 0x7d, 0x57, 0x3f, 0x8c, 0xe4, 0xa6, 0xd3, 0x82, 0x2f, 0xbe, 0xdd,
-	0x7b, 0x0e, 0xf7, 0xdc, 0x5f, 0xc2, 0x05, 0x30, 0x6b, 0xb9, 0x5f, 0x28, 0x2d, 0xad, 0x24, 0x91,
-	0xab, 0xd3, 0x0f, 0x88, 0x57, 0xbc, 0xa9, 0x0a, 0x61, 0x2c, 0x99, 0x43, 0x9c, 0xcb, 0xba, 0xe6,
-	0xcd, 0xc6, 0xd0, 0x60, 0xda, 0x9b, 0x0d, 0x6f, 0xc7, 0x0b, 0x1c, 0x78, 0xf0, 0x2a, 0xfb, 0xb1,
-	0xc9, 0x25, 0x4c, 0xe4, 0xce, 0xaa, 0x9d, 0xcd, 0x36, 0x42, 0x15, 0xd5, 0x56, 0xd0, 0x70, 0x1a,
-	0xcc, 0x12, 0x36, 0xf6, 0xea, 0xa3, 0x17, 0xd3, 0xaf, 0x00, 0x06, 0xed, 0x30, 0xb9, 0x86, 0x61,
-	0x2e, 0xd5, 0x21, 0x5b, 0x8b, 0x42, 0x6a, 0xd1, 0x2e, 0x80, 0xe3, 0x02, 0x75, 0x60, 0xe0, 0xec,
-	0x25, 0xba, 0xe4, 0x0c, 0xfa, 0x79, 0xb9, 0xa9, 0x34, 0xc6, 0xc6, 0xcc, 0x37, 0x84, 0xc2, 0xa0,
-	0x25, 0xa0, 0xbd, 0x69, 0x38, 0x4b, 0xd8, 0xb1, 0x25, 0x73, 0xc0, 0xe9, 0x8c, 0x17, 0x56, 0x68,
-	0x1a, 0xfd, 0xc9, 0x4e, 0x9c, 0x7b, 0xef, 0x4c, 0x72, 0x0e, 0x50, 0x35, 0x8e, 0xbc, 0xe4, 0xa6,
-	0xa4, 0x7d, 0xc4, 0x4e, 0x50, 0x79, 0xe6, 0xa6, 0x24, 0x57, 0x90, 0x68, 0xa3, 0x32, 0x87, 0x6f,
-	0xe8, 0x49, 0xf7, 0x17, 0x98, 0x51, 0x4f, 0xd5, 0x56, 0xb0, 0x58, 0xfb, 0xc2, 0xa4, 0x2f, 0x10,
-	0xb9, 0x74, 0x42, 0x20, 0x2a, 0xb4, 0xac, 0x69, 0x80, 0x50, 0x58, 0x93, 0x09, 0x84, 0x56, 0xd2,
-	0x10, 0x95, 0xd0, 0x4a, 0x72, 0x01, 0x20, 0xf6, 0x22, 0xdf, 0x59, 0xbe, 0xde, 0x0a, 0xda, 0xc3,
-	0x67, 0x75, 0x94, 0xf4, 0x0d, 0x06, 0xed, 0x02, 0x8c, 0x73, 0x5f, 0x7a, 0x8c, 0x73, 0xda, 0x1d,
-	0x8c, 0x15, 0xb7, 0x65, 0x56, 0x73, 0xa5, 0xaa, 0xe6, 0xd3, 0xd0, 0x10, 0xd1, 0x4e, 0x3d, 0xda,
-	0x2b, 0xb7, 0xe5, 0xca, 0x3b, 0x6c, 0xa4, 0x7e, 0x1b, 0x93, 0xde, 0xc0, 0xb0, 0x63, 0xfe, 0x87,
-	0x74, 0x39, 0x7a, 0xc7, 0x33, 0xc9, 0xf0, 0x4c, 0xbe, 0x03, 0x00, 0x00, 0xff, 0xff, 0x83, 0x82,
-	0xb0, 0xc3, 0x33, 0x02, 0x00, 0x00,
+var file_sbox_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_sbox_proto_goTypes = []interface{}{
+	(*Manifest)(nil),    // 0: sbox.Manifest
+	(*Command)(nil),     // 1: sbox.Command
+	(*Copy)(nil),        // 2: sbox.Copy
+	(*RspFile)(nil),     // 3: sbox.RspFile
+	(*PathMapping)(nil), // 4: sbox.PathMapping
+}
+var file_sbox_proto_depIdxs = []int32{
+	1, // 0: sbox.Manifest.commands:type_name -> sbox.Command
+	2, // 1: sbox.Command.copy_before:type_name -> sbox.Copy
+	2, // 2: sbox.Command.copy_after:type_name -> sbox.Copy
+	3, // 3: sbox.Command.rsp_files:type_name -> sbox.RspFile
+	4, // 4: sbox.RspFile.path_mappings:type_name -> sbox.PathMapping
+	5, // [5:5] is the sub-list for method output_type
+	5, // [5:5] is the sub-list for method input_type
+	5, // [5:5] is the sub-list for extension type_name
+	5, // [5:5] is the sub-list for extension extendee
+	0, // [0:5] is the sub-list for field type_name
+}
+
+func init() { file_sbox_proto_init() }
+func file_sbox_proto_init() {
+	if File_sbox_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_sbox_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Manifest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_sbox_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Command); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_sbox_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Copy); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_sbox_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RspFile); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_sbox_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PathMapping); 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_sbox_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   5,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_sbox_proto_goTypes,
+		DependencyIndexes: file_sbox_proto_depIdxs,
+		MessageInfos:      file_sbox_proto_msgTypes,
+	}.Build()
+	File_sbox_proto = out.File
+	file_sbox_proto_rawDesc = nil
+	file_sbox_proto_goTypes = nil
+	file_sbox_proto_depIdxs = nil
 }
diff --git a/cmd/sbox/sbox_proto/sbox.proto b/cmd/sbox/sbox_proto/sbox.proto
index bdf92c6..2f0dcf0 100644
--- a/cmd/sbox/sbox_proto/sbox.proto
+++ b/cmd/sbox/sbox_proto/sbox.proto
@@ -15,7 +15,7 @@
 syntax = "proto2";
 
 package sbox;
-option go_package = "sbox_proto";
+option go_package = "android/soong/cmd/sbox/sbox_proto";
 
 // A set of commands to run in a sandbox.
 message Manifest {
diff --git a/cmd/soong_ui/main.go b/cmd/soong_ui/main.go
index 22922c0..02c5229 100644
--- a/cmd/soong_ui/main.go
+++ b/cmd/soong_ui/main.go
@@ -16,6 +16,7 @@
 
 import (
 	"context"
+	"encoding/json"
 	"flag"
 	"fmt"
 	"io/ioutil"
@@ -34,6 +35,11 @@
 	"android/soong/ui/tracer"
 )
 
+const (
+	configDir  = "vendor/google/tools/soong_config"
+	jsonSuffix = "json"
+)
+
 // A command represents an operation to be executed in the soong build
 // system.
 type command struct {
@@ -110,6 +116,34 @@
 	return indexList(s, list) != -1
 }
 
+func loadEnvConfig() error {
+	bc := os.Getenv("ANDROID_BUILD_ENVIRONMENT_CONFIG")
+	if bc == "" {
+		return nil
+	}
+	cfgFile := filepath.Join(os.Getenv("TOP"), configDir, fmt.Sprintf("%s.%s", bc, jsonSuffix))
+
+	envVarsJSON, err := ioutil.ReadFile(cfgFile)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "\033[33mWARNING:\033[0m failed to open config file %s: %s\n", cfgFile, err.Error())
+		return nil
+	}
+
+	var envVars map[string]map[string]string
+	if err := json.Unmarshal(envVarsJSON, &envVars); err != nil {
+		return fmt.Errorf("env vars config file: %s did not parse correctly: %s", cfgFile, err.Error())
+	}
+	for k, v := range envVars["env"] {
+		if os.Getenv(k) != "" {
+			continue
+		}
+		if err := os.Setenv(k, v); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 // Main execution of soong_ui. The command format is as follows:
 //
 //    soong_ui <command> [<arg 1> <arg 2> ... <arg n>]
@@ -171,6 +205,11 @@
 		Status:  stat,
 	}}
 
+	if err := loadEnvConfig(); err != nil {
+		fmt.Fprintf(os.Stderr, "failed to parse env config files: %v", err)
+		os.Exit(1)
+	}
+
 	config := c.config(buildCtx, args...)
 
 	build.SetupOutDir(buildCtx, config)
diff --git a/dexpreopt/config.go b/dexpreopt/config.go
index 0bcec17..7a74506 100644
--- a/dexpreopt/config.go
+++ b/dexpreopt/config.go
@@ -44,15 +44,15 @@
 	DisableGenerateProfile bool   // don't generate profiles
 	ProfileDir             string // directory to find profiles in
 
-	BootJars          android.ConfiguredJarList // modules for jars that form the boot class path
-	UpdatableBootJars android.ConfiguredJarList // jars within apex that form the boot class path
+	BootJars     android.ConfiguredJarList // modules for jars that form the boot class path
+	ApexBootJars android.ConfiguredJarList // jars within apex that form the boot class path
 
 	ArtApexJars android.ConfiguredJarList // modules for jars that are in the ART APEX
 
-	SystemServerJars          android.ConfiguredJarList // jars that form the system server
-	SystemServerApps          []string                  // apps that are loaded into system server
-	UpdatableSystemServerJars android.ConfiguredJarList // jars within apex that are loaded into system server
-	SpeedApps                 []string                  // apps that should be speed optimized
+	SystemServerJars     android.ConfiguredJarList // jars that form the system server
+	SystemServerApps     []string                  // apps that are loaded into system server
+	ApexSystemServerJars android.ConfiguredJarList // jars within apex that are loaded into system server
+	SpeedApps            []string                  // apps that should be speed optimized
 
 	BrokenSuboptimalOrderOfSystemServerJars bool // if true, sub-optimal order does not cause a build error
 
@@ -531,7 +531,7 @@
 	return config, nil
 }
 
-// checkBootJarsConfigConsistency checks the consistency of BootJars and UpdatableBootJars fields in
+// checkBootJarsConfigConsistency checks the consistency of BootJars and ApexBootJars fields in
 // DexpreoptGlobalConfig and Config.productVariables.
 func checkBootJarsConfigConsistency(ctx android.SingletonContext, dexpreoptConfig *GlobalConfig, config android.Config) {
 	compareBootJars := func(property string, dexpreoptJars, variableJars android.ConfiguredJarList) {
@@ -545,8 +545,8 @@
 		}
 	}
 
-	compareBootJars("BootJars", dexpreoptConfig.BootJars, config.NonUpdatableBootJars())
-	compareBootJars("UpdatableBootJars", dexpreoptConfig.UpdatableBootJars, config.UpdatableBootJars())
+	compareBootJars("BootJars", dexpreoptConfig.BootJars, config.NonApexBootJars())
+	compareBootJars("ApexBootJars", dexpreoptConfig.ApexBootJars, config.ApexBootJars())
 }
 
 func (s *globalSoongConfigSingleton) GenerateBuildActions(ctx android.SingletonContext) {
@@ -614,11 +614,11 @@
 		DisableGenerateProfile:             false,
 		ProfileDir:                         "",
 		BootJars:                           android.EmptyConfiguredJarList(),
-		UpdatableBootJars:                  android.EmptyConfiguredJarList(),
+		ApexBootJars:                       android.EmptyConfiguredJarList(),
 		ArtApexJars:                        android.EmptyConfiguredJarList(),
 		SystemServerJars:                   android.EmptyConfiguredJarList(),
 		SystemServerApps:                   nil,
-		UpdatableSystemServerJars:          android.EmptyConfiguredJarList(),
+		ApexSystemServerJars:               android.EmptyConfiguredJarList(),
 		SpeedApps:                          nil,
 		PreoptFlags:                        nil,
 		DefaultCompilerFilter:              "",
diff --git a/dexpreopt/dexpreopt.go b/dexpreopt/dexpreopt.go
index da015a3..4c6ae82 100644
--- a/dexpreopt/dexpreopt.go
+++ b/dexpreopt/dexpreopt.go
@@ -111,7 +111,7 @@
 	}
 
 	// Don't preopt system server jars that are updatable.
-	if global.UpdatableSystemServerJars.ContainsJar(module.Name) {
+	if global.ApexSystemServerJars.ContainsJar(module.Name) {
 		return true
 	}
 
@@ -234,7 +234,7 @@
 
 	invocationPath := odexPath.ReplaceExtension(ctx, "invocation")
 
-	systemServerJars := NonUpdatableSystemServerJars(ctx, global)
+	systemServerJars := NonApexSystemServerJars(ctx, global)
 
 	rule.Command().FlagWithArg("mkdir -p ", filepath.Dir(odexPath.String()))
 	rule.Command().FlagWithOutput("rm -f ", odexPath)
@@ -523,13 +523,13 @@
 	}
 }
 
-var nonUpdatableSystemServerJarsKey = android.NewOnceKey("nonUpdatableSystemServerJars")
+var nonApexSystemServerJarsKey = android.NewOnceKey("nonApexSystemServerJars")
 
 // TODO: eliminate the superficial global config parameter by moving global config definition
 // from java subpackage to dexpreopt.
-func NonUpdatableSystemServerJars(ctx android.PathContext, global *GlobalConfig) []string {
-	return ctx.Config().Once(nonUpdatableSystemServerJarsKey, func() interface{} {
-		return android.RemoveListFromList(global.SystemServerJars.CopyOfJars(), global.UpdatableSystemServerJars.CopyOfJars())
+func NonApexSystemServerJars(ctx android.PathContext, global *GlobalConfig) []string {
+	return ctx.Config().Once(nonApexSystemServerJarsKey, func() interface{} {
+		return android.RemoveListFromList(global.SystemServerJars.CopyOfJars(), global.ApexSystemServerJars.CopyOfJars())
 	}).([]string)
 }
 
@@ -556,7 +556,7 @@
 	mctx, isModule := ctx.(android.ModuleContext)
 	if isModule {
 		config := GetGlobalConfig(ctx)
-		jars := NonUpdatableSystemServerJars(ctx, config)
+		jars := NonApexSystemServerJars(ctx, config)
 		mctx.WalkDeps(func(dep android.Module, parent android.Module) bool {
 			depIndex := android.IndexList(dep.Name(), jars)
 			if jarIndex < depIndex && !config.BrokenSuboptimalOrderOfSystemServerJars {
diff --git a/dexpreopt/testing.go b/dexpreopt/testing.go
index c0ba5ca..2f99655 100644
--- a/dexpreopt/testing.go
+++ b/dexpreopt/testing.go
@@ -118,10 +118,10 @@
 	})
 }
 
-// FixtureSetUpdatableBootJars sets the UpdatableBootJars property in the global config.
-func FixtureSetUpdatableBootJars(bootJars ...string) android.FixturePreparer {
+// FixtureSetApexBootJars sets the ApexBootJars property in the global config.
+func FixtureSetApexBootJars(bootJars ...string) android.FixturePreparer {
 	return FixtureModifyGlobalConfig(func(dexpreoptConfig *GlobalConfig) {
-		dexpreoptConfig.UpdatableBootJars = android.CreateTestConfiguredJarList(bootJars)
+		dexpreoptConfig.ApexBootJars = android.CreateTestConfiguredJarList(bootJars)
 	})
 }
 
diff --git a/etc/Android.bp b/etc/Android.bp
index cab7389..c670236 100644
--- a/etc/Android.bp
+++ b/etc/Android.bp
@@ -9,12 +9,15 @@
         "blueprint",
         "soong",
         "soong-android",
+        "soong-snapshot",
     ],
     srcs: [
         "prebuilt_etc.go",
+        "snapshot_etc.go",
     ],
     testSrcs: [
         "prebuilt_etc_test.go",
+        "snapshot_etc_test.go",
     ],
     pluginFor: ["soong_build"],
 }
diff --git a/etc/prebuilt_etc.go b/etc/prebuilt_etc.go
index 4dd383d..8aeb0dd 100644
--- a/etc/prebuilt_etc.go
+++ b/etc/prebuilt_etc.go
@@ -28,12 +28,16 @@
 // various `prebuilt_*` mutators.
 
 import (
+	"encoding/json"
 	"fmt"
+	"path/filepath"
 	"strings"
 
 	"github.com/google/blueprint/proptools"
 
 	"android/soong/android"
+	"android/soong/bazel"
+	"android/soong/snapshot"
 )
 
 var pctx = android.NewPackageContext("android/soong/etc")
@@ -43,6 +47,7 @@
 func init() {
 	pctx.Import("android/soong/android")
 	RegisterPrebuiltEtcBuildComponents(android.InitRegistrationContext)
+	snapshot.RegisterSnapshotAction(generatePrebuiltSnapshot)
 }
 
 func RegisterPrebuiltEtcBuildComponents(ctx android.RegistrationContext) {
@@ -57,6 +62,8 @@
 	ctx.RegisterModuleType("prebuilt_rfsa", PrebuiltRFSAFactory)
 
 	ctx.RegisterModuleType("prebuilt_defaults", defaultsFactory)
+
+	android.RegisterBp2BuildMutator("prebuilt_etc", PrebuiltEtcBp2Build)
 }
 
 var PrepareForTestWithPrebuiltEtc = android.FixtureRegisterWithContext(RegisterPrebuiltEtcBuildComponents)
@@ -127,6 +134,10 @@
 type PrebuiltEtc struct {
 	android.ModuleBase
 	android.DefaultableModuleBase
+	android.BazelModuleBase
+
+	snapshot.VendorSnapshotModuleInterface
+	snapshot.RecoverySnapshotModuleInterface
 
 	properties       prebuiltEtcProperties
 	subdirProperties prebuiltSubdirProperties
@@ -183,7 +194,7 @@
 	return p.inDebugRamdisk()
 }
 
-func (p *PrebuiltEtc) inRecovery() bool {
+func (p *PrebuiltEtc) InRecovery() bool {
 	return p.ModuleBase.InRecovery() || p.ModuleBase.InstallInRecovery()
 }
 
@@ -192,7 +203,7 @@
 }
 
 func (p *PrebuiltEtc) InstallInRecovery() bool {
-	return p.inRecovery()
+	return p.InRecovery()
 }
 
 var _ android.ImageInterface = (*PrebuiltEtc)(nil)
@@ -271,6 +282,18 @@
 	return p.properties.Installable == nil || proptools.Bool(p.properties.Installable)
 }
 
+func (p *PrebuiltEtc) InVendor() bool {
+	return p.ModuleBase.InstallInVendor()
+}
+
+func (p *PrebuiltEtc) ExcludeFromVendorSnapshot() bool {
+	return false
+}
+
+func (p *PrebuiltEtc) ExcludeFromRecoverySnapshot() bool {
+	return false
+}
+
 func (p *PrebuiltEtc) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	if p.properties.Src == nil {
 		ctx.PropertyErrorf("src", "missing prebuilt source file")
@@ -344,7 +367,7 @@
 	if p.inDebugRamdisk() && !p.onlyInDebugRamdisk() {
 		nameSuffix = ".debug_ramdisk"
 	}
-	if p.inRecovery() && !p.onlyInRecovery() {
+	if p.InRecovery() && !p.onlyInRecovery() {
 		nameSuffix = ".recovery"
 	}
 	return []android.AndroidMkEntries{android.AndroidMkEntries{
@@ -387,6 +410,7 @@
 	// This module is device-only
 	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
 	android.InitDefaultableModule(module)
+	android.InitBazelModule(module)
 	return module
 }
 
@@ -494,3 +518,216 @@
 	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
 	return module
 }
+
+// Flags to be included in the snapshot
+type snapshotJsonFlags struct {
+	ModuleName          string `json:",omitempty"`
+	Filename            string `json:",omitempty"`
+	RelativeInstallPath string `json:",omitempty"`
+}
+
+// Copy file into the snapshot
+func copyFile(ctx android.SingletonContext, path android.Path, out string, fake bool) android.OutputPath {
+	if fake {
+		// Create empty file instead for the fake snapshot
+		return snapshot.WriteStringToFileRule(ctx, "", out)
+	} else {
+		return snapshot.CopyFileRule(pctx, ctx, path, out)
+	}
+}
+
+// Check if the module is target of the snapshot
+func isSnapshotAware(ctx android.SingletonContext, m *PrebuiltEtc, image snapshot.SnapshotImage) bool {
+	if !m.Enabled() {
+		return false
+	}
+
+	// Skip if the module is not included in the image
+	if !image.InImage(m)() {
+		return false
+	}
+
+	// When android/prebuilt.go selects between source and prebuilt, it sets
+	// HideFromMake on the other one to avoid duplicate install rules in make.
+	if m.IsHideFromMake() {
+		return false
+	}
+
+	// There are some prebuilt_etc module with multiple definition of same name.
+	// Check if the target would be included from the build
+	if !m.ExportedToMake() {
+		return false
+	}
+
+	// Skip if the module is in the predefined path list to skip
+	if image.IsProprietaryPath(ctx.ModuleDir(m), ctx.DeviceConfig()) {
+		return false
+	}
+
+	// Skip if the module should be excluded
+	if image.ExcludeFromSnapshot(m) || image.ExcludeFromDirectedSnapshot(ctx.DeviceConfig(), m.BaseModuleName()) {
+		return false
+	}
+
+	// Skip from other exceptional cases
+	if m.Target().Os.Class != android.Device {
+		return false
+	}
+	if m.Target().NativeBridge == android.NativeBridgeEnabled {
+		return false
+	}
+
+	return true
+}
+
+func generatePrebuiltSnapshot(s snapshot.SnapshotSingleton, ctx android.SingletonContext, snapshotArchDir string) android.Paths {
+	/*
+		Snapshot zipped artifacts directory structure for etc modules:
+		{SNAPSHOT_ARCH}/
+			arch-{TARGET_ARCH}-{TARGET_ARCH_VARIANT}/
+				etc/
+					(prebuilt etc files)
+			arch-{TARGET_2ND_ARCH}-{TARGET_2ND_ARCH_VARIANT}/
+				etc/
+					(prebuilt etc files)
+			NOTICE_FILES/
+				(notice files)
+	*/
+	var snapshotOutputs android.Paths
+	noticeDir := filepath.Join(snapshotArchDir, "NOTICE_FILES")
+	installedNotices := make(map[string]bool)
+
+	ctx.VisitAllModules(func(module android.Module) {
+		m, ok := module.(*PrebuiltEtc)
+		if !ok {
+			return
+		}
+
+		if !isSnapshotAware(ctx, m, s.Image) {
+			return
+		}
+
+		targetArch := "arch-" + m.Target().Arch.ArchType.String()
+
+		snapshotLibOut := filepath.Join(snapshotArchDir, targetArch, "etc", m.BaseModuleName())
+		snapshotOutputs = append(snapshotOutputs, copyFile(ctx, m.OutputFile(), snapshotLibOut, s.Fake))
+
+		prop := snapshotJsonFlags{}
+		propOut := snapshotLibOut + ".json"
+		prop.ModuleName = m.BaseModuleName()
+		if m.subdirProperties.Relative_install_path != nil {
+			prop.RelativeInstallPath = *m.subdirProperties.Relative_install_path
+		}
+
+		if m.properties.Filename != nil {
+			prop.Filename = *m.properties.Filename
+		}
+
+		j, err := json.Marshal(prop)
+		if err != nil {
+			ctx.Errorf("json marshal to %q failed: %#v", propOut, err)
+			return
+		}
+		snapshotOutputs = append(snapshotOutputs, snapshot.WriteStringToFileRule(ctx, string(j), propOut))
+
+		if len(m.EffectiveLicenseFiles()) > 0 {
+			noticeName := ctx.ModuleName(m) + ".txt"
+			noticeOut := filepath.Join(noticeDir, noticeName)
+			// skip already copied notice file
+			if !installedNotices[noticeOut] {
+				installedNotices[noticeOut] = true
+
+				noticeOutPath := android.PathForOutput(ctx, noticeOut)
+				ctx.Build(pctx, android.BuildParams{
+					Rule:        android.Cat,
+					Inputs:      m.EffectiveLicenseFiles(),
+					Output:      noticeOutPath,
+					Description: "combine notices for " + noticeOut,
+				})
+				snapshotOutputs = append(snapshotOutputs, noticeOutPath)
+			}
+		}
+
+	})
+
+	return snapshotOutputs
+}
+
+// For Bazel / bp2build
+
+type bazelPrebuiltEtcAttributes struct {
+	Src         bazel.LabelAttribute
+	Filename    string
+	Sub_dir     string
+	Installable bazel.BoolAttribute
+}
+
+type bazelPrebuiltEtc struct {
+	android.BazelTargetModuleBase
+	bazelPrebuiltEtcAttributes
+}
+
+func BazelPrebuiltEtcFactory() android.Module {
+	module := &bazelPrebuiltEtc{}
+	module.AddProperties(&module.bazelPrebuiltEtcAttributes)
+	android.InitBazelTargetModule(module)
+	return module
+}
+
+func PrebuiltEtcBp2Build(ctx android.TopDownMutatorContext) {
+	module, ok := ctx.Module().(*PrebuiltEtc)
+	if !ok {
+		// Not an prebuilt_etc
+		return
+	}
+	if !module.ConvertWithBp2build(ctx) {
+		return
+	}
+	if ctx.ModuleType() != "prebuilt_etc" {
+		return
+	}
+
+	prebuiltEtcBp2BuildInternal(ctx, module)
+}
+
+func prebuiltEtcBp2BuildInternal(ctx android.TopDownMutatorContext, module *PrebuiltEtc) {
+	var srcLabelAttribute bazel.LabelAttribute
+	if module.properties.Src != nil {
+		srcLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *module.properties.Src))
+	}
+
+	var filename string
+	if module.properties.Filename != nil {
+		filename = *module.properties.Filename
+	}
+
+	var subDir string
+	if module.subdirProperties.Sub_dir != nil {
+		subDir = *module.subdirProperties.Sub_dir
+	}
+
+	var installableBoolAttribute bazel.BoolAttribute
+	if module.properties.Installable != nil {
+		installableBoolAttribute.Value = module.properties.Installable
+	}
+
+	attrs := &bazelPrebuiltEtcAttributes{
+		Src:         srcLabelAttribute,
+		Filename:    filename,
+		Sub_dir:     subDir,
+		Installable: installableBoolAttribute,
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class:        "prebuilt_etc",
+		Bzl_load_location: "//build/bazel/rules:prebuilt_etc.bzl",
+	}
+
+	ctx.CreateBazelTargetModule(BazelPrebuiltEtcFactory, module.Name(), props, attrs)
+}
+
+func (m *bazelPrebuiltEtc) Name() string {
+	return m.BaseModuleName()
+}
+
+func (m *bazelPrebuiltEtc) GenerateAndroidBuildActions(ctx android.ModuleContext) {}
diff --git a/etc/prebuilt_etc_test.go b/etc/prebuilt_etc_test.go
index 354f6bb..cf1f6d7 100644
--- a/etc/prebuilt_etc_test.go
+++ b/etc/prebuilt_etc_test.go
@@ -15,11 +15,15 @@
 package etc
 
 import (
+	"fmt"
 	"os"
 	"path/filepath"
 	"testing"
 
+	"github.com/google/blueprint/proptools"
+
 	"android/soong/android"
+	"android/soong/snapshot"
 )
 
 func TestMain(m *testing.M) {
@@ -36,6 +40,18 @@
 	}),
 )
 
+var prepareForPrebuiltEtcSnapshotTest = android.GroupFixturePreparers(
+	prepareForPrebuiltEtcTest,
+	android.FixtureRegisterWithContext(func(ctx android.RegistrationContext) {
+		snapshot.VendorSnapshotImageSingleton.Init(ctx)
+		snapshot.RecoverySnapshotImageSingleton.Init(ctx)
+	}),
+	android.FixtureModifyConfig(func(config android.Config) {
+		config.TestProductVariables.DeviceVndkVersion = proptools.StringPtr("current")
+		config.TestProductVariables.RecoverySnapshotVersion = proptools.StringPtr("current")
+	}),
+)
+
 func TestPrebuiltEtcVariants(t *testing.T) {
 	result := prepareForPrebuiltEtcTest.RunTestWithBp(t, `
 		prebuilt_etc {
@@ -172,7 +188,7 @@
 		}
 	`)
 
-	buildOS := android.BuildOs.String()
+	buildOS := result.Config.BuildOS.String()
 	p := result.Module("foo.conf", buildOS+"_common").(*PrebuiltEtc)
 	if !p.Host() {
 		t.Errorf("host bit is not set for a prebuilt_etc_host module.")
@@ -226,7 +242,7 @@
 		}
 	`)
 
-	buildOS := android.BuildOs.String()
+	buildOS := result.Config.BuildOS.String()
 	p := result.Module("foo.conf", buildOS+"_common").(*PrebuiltEtc)
 	expected := filepath.Join("out/soong/host", result.Config.PrebuiltOS(), "usr", "share", "bar")
 	android.AssertPathRelativeToTopEquals(t, "install dir", expected, p.installDirPath)
@@ -346,3 +362,110 @@
 		})
 	}
 }
+
+func checkIfSnapshotTaken(t *testing.T, result *android.TestResult, image string, moduleName string) {
+	checkIfSnapshotExistAsExpected(t, result, image, moduleName, true)
+}
+
+func checkIfSnapshotNotTaken(t *testing.T, result *android.TestResult, image string, moduleName string) {
+	checkIfSnapshotExistAsExpected(t, result, image, moduleName, false)
+}
+
+func checkIfSnapshotExistAsExpected(t *testing.T, result *android.TestResult, image string, moduleName string, expectToExist bool) {
+	snapshotSingleton := result.SingletonForTests(image + "-snapshot")
+	archType := "arm64"
+	archVariant := "armv8-a"
+	archDir := fmt.Sprintf("arch-%s", archType)
+
+	snapshotDir := fmt.Sprintf("%s-snapshot", image)
+	snapshotVariantPath := filepath.Join(snapshotDir, archType)
+	outputDir := filepath.Join(snapshotVariantPath, archDir, "etc")
+	imageVariant := ""
+	if image == "recovery" {
+		imageVariant = "recovery_"
+	}
+	mod := result.ModuleForTests(moduleName, fmt.Sprintf("android_%s%s_%s", imageVariant, archType, archVariant))
+	outputFiles := mod.OutputFiles(t, "")
+	if len(outputFiles) != 1 {
+		t.Errorf("%q must have single output\n", moduleName)
+		return
+	}
+	snapshotPath := filepath.Join(outputDir, moduleName)
+
+	if expectToExist {
+		out := snapshotSingleton.Output(snapshotPath)
+
+		if out.Input.String() != outputFiles[0].String() {
+			t.Errorf("The input of snapshot %q must be %q, but %q", "prebuilt_vendor", out.Input.String(), outputFiles[0])
+		}
+
+		snapshotJsonPath := snapshotPath + ".json"
+
+		if snapshotSingleton.MaybeOutput(snapshotJsonPath).Rule == nil {
+			t.Errorf("%q expected but not found", snapshotJsonPath)
+		}
+	} else {
+		out := snapshotSingleton.MaybeOutput(snapshotPath)
+		if out.Rule != nil {
+			t.Errorf("There must be no rule for module %q output file %q", moduleName, outputFiles[0])
+		}
+	}
+}
+
+func TestPrebuiltTakeSnapshot(t *testing.T) {
+	var testBp = `
+	prebuilt_etc {
+		name: "prebuilt_vendor",
+		src: "foo.conf",
+		vendor: true,
+	}
+
+	prebuilt_etc {
+		name: "prebuilt_vendor_indirect",
+		src: "foo.conf",
+		vendor: true,
+	}
+
+	prebuilt_etc {
+		name: "prebuilt_recovery",
+		src: "bar.conf",
+		recovery: true,
+	}
+
+	prebuilt_etc {
+		name: "prebuilt_recovery_indirect",
+		src: "bar.conf",
+		recovery: true,
+	}
+	`
+
+	t.Run("prebuilt: vendor and recovery snapshot", func(t *testing.T) {
+		result := prepareForPrebuiltEtcSnapshotTest.RunTestWithBp(t, testBp)
+
+		checkIfSnapshotTaken(t, result, "vendor", "prebuilt_vendor")
+		checkIfSnapshotTaken(t, result, "vendor", "prebuilt_vendor_indirect")
+		checkIfSnapshotTaken(t, result, "recovery", "prebuilt_recovery")
+		checkIfSnapshotTaken(t, result, "recovery", "prebuilt_recovery_indirect")
+	})
+
+	t.Run("prebuilt: directed snapshot", func(t *testing.T) {
+		prepareForPrebuiltEtcDirectedSnapshotTest := android.GroupFixturePreparers(
+			prepareForPrebuiltEtcSnapshotTest,
+			android.FixtureModifyConfig(func(config android.Config) {
+				config.TestProductVariables.DirectedVendorSnapshot = true
+				config.TestProductVariables.VendorSnapshotModules = make(map[string]bool)
+				config.TestProductVariables.VendorSnapshotModules["prebuilt_vendor"] = true
+				config.TestProductVariables.DirectedRecoverySnapshot = true
+				config.TestProductVariables.RecoverySnapshotModules = make(map[string]bool)
+				config.TestProductVariables.RecoverySnapshotModules["prebuilt_recovery"] = true
+			}),
+		)
+
+		result := prepareForPrebuiltEtcDirectedSnapshotTest.RunTestWithBp(t, testBp)
+
+		checkIfSnapshotTaken(t, result, "vendor", "prebuilt_vendor")
+		checkIfSnapshotNotTaken(t, result, "vendor", "prebuilt_vendor_indirect")
+		checkIfSnapshotTaken(t, result, "recovery", "prebuilt_recovery")
+		checkIfSnapshotNotTaken(t, result, "recovery", "prebuilt_recovery_indirect")
+	})
+}
diff --git a/etc/snapshot_etc.go b/etc/snapshot_etc.go
new file mode 100644
index 0000000..9a25d5a
--- /dev/null
+++ b/etc/snapshot_etc.go
@@ -0,0 +1,186 @@
+// Copyright 2021 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package etc
+
+// This file implements snapshot module of 'prebuilt_etc' type
+// 'snapshot_etc' module defines android.PrebuiltInterface so it can be handled
+// as prebuilt of 'prebuilt_etc' type.
+// Properties of 'snapshot_etc' follows properties from snapshotJsonFlags type
+
+import (
+	"android/soong/android"
+	"fmt"
+	"strings"
+
+	"github.com/google/blueprint"
+	"github.com/google/blueprint/proptools"
+)
+
+func RegisterSnapshotEtcModule(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("snapshot_etc", SnapshotEtcFactory)
+}
+
+func init() {
+	RegisterSnapshotEtcModule(android.InitRegistrationContext)
+}
+
+// snapshot_etc is a prebuilt module type to be installed under etc which is auto-generated by
+// development/vendor_snapshot/update.py. This module will override prebuilt_etc module with same
+// name when 'prefer' property is true.
+func SnapshotEtcFactory() android.Module {
+	module := &SnapshotEtc{}
+	module.AddProperties(&module.properties)
+
+	var srcsSupplier = func(_ android.BaseModuleContext, prebuilt android.Module) []string {
+		s, ok := prebuilt.(*SnapshotEtc)
+		if !ok || s.properties.Src == nil {
+			return []string{}
+		}
+
+		return []string{*s.properties.Src}
+	}
+
+	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
+	android.InitPrebuiltModuleWithSrcSupplier(module, srcsSupplier, "src")
+	return module
+}
+
+type snapshotEtcProperties struct {
+	Src                   *string `android:"path,arch_variant"` // Source of snapshot_etc file
+	Filename              *string `android:"arch_variant"`      // Target file name when it differs from module name
+	Relative_install_path *string `android:"arch_variant"`      // Relative install path when it should be installed subdirectory of etc
+}
+
+type SnapshotEtc struct {
+	android.ModuleBase
+	prebuilt   android.Prebuilt
+	properties snapshotEtcProperties
+
+	outputFilePath android.OutputPath
+	installDirPath android.InstallPath
+}
+
+func (s *SnapshotEtc) Prebuilt() *android.Prebuilt {
+	return &s.prebuilt
+}
+
+func (s *SnapshotEtc) Name() string {
+	return s.prebuilt.Name(s.BaseModuleName())
+}
+
+func (s *SnapshotEtc) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+	if s.properties.Src == nil {
+		ctx.PropertyErrorf("src", "missing prebuilt source file")
+		return
+	}
+
+	sourceFilePath := s.prebuilt.SingleSourcePath(ctx)
+
+	// Determine the output file basename.
+	// If Filename is set, use the name specified by the property.
+	// Otherwise use the module name.
+	filename := proptools.String(s.properties.Filename)
+	if filename == "" {
+		filename = ctx.ModuleName()
+	}
+
+	s.outputFilePath = android.PathForModuleOut(ctx, filename).OutputPath
+
+	if strings.Contains(filename, "/") {
+		ctx.PropertyErrorf("filename", "filename cannot contain separator '/'")
+		return
+	}
+
+	subDir := ""
+	if s.properties.Relative_install_path != nil {
+		subDir = *s.properties.Relative_install_path
+	}
+
+	s.installDirPath = android.PathForModuleInstall(ctx, "etc", subDir)
+
+	// This ensures that outputFilePath has the correct name for others to
+	// use, as the source file may have a different name.
+	ctx.Build(pctx, android.BuildParams{
+		Rule:        android.Cp,
+		Input:       sourceFilePath,
+		Output:      s.outputFilePath,
+		Description: "Install snapshot etc module " + s.BaseModuleName(),
+	})
+
+	ctx.InstallFile(s.installDirPath, s.outputFilePath.Base(), sourceFilePath)
+}
+
+func (p *SnapshotEtc) AndroidMkEntries() []android.AndroidMkEntries {
+	return []android.AndroidMkEntries{{
+		Class:      "ETC",
+		OutputFile: android.OptionalPathForPath(p.outputFilePath),
+		ExtraEntries: []android.AndroidMkExtraEntriesFunc{
+			func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
+				entries.SetString("LOCAL_MODULE_TAGS", "optional")
+				entries.SetString("LOCAL_MODULE_PATH", p.installDirPath.ToMakePath().String())
+				entries.SetString("LOCAL_INSTALLED_MODULE_STEM", p.outputFilePath.Base())
+			},
+		},
+	}}
+}
+
+type snapshotEtcDependencyTag struct {
+	blueprint.DependencyTag
+}
+
+var tag = snapshotEtcDependencyTag{}
+
+func (s *SnapshotEtc) CoreVariantNeeded(ctx android.BaseModuleContext) bool {
+	return !s.ModuleBase.InstallInRecovery() && !s.ModuleBase.InstallInRamdisk() &&
+		!s.ModuleBase.InstallInVendorRamdisk() && !s.ModuleBase.InstallInDebugRamdisk()
+}
+
+func (p *SnapshotEtc) RamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
+	return p.ModuleBase.InstallInRamdisk()
+}
+
+func (p *SnapshotEtc) VendorRamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
+	return p.ModuleBase.InstallInVendorRamdisk()
+}
+
+func (p *SnapshotEtc) DebugRamdiskVariantNeeded(ctx android.BaseModuleContext) bool {
+	return p.ModuleBase.InstallInDebugRamdisk()
+}
+
+func (p *SnapshotEtc) RecoveryVariantNeeded(ctx android.BaseModuleContext) bool {
+	return p.ModuleBase.InstallInRecovery()
+}
+
+func (p *SnapshotEtc) ExtraImageVariations(ctx android.BaseModuleContext) []string {
+	return nil
+}
+
+func (p *SnapshotEtc) SetImageVariation(ctx android.BaseModuleContext, variation string, module android.Module) {
+}
+
+func (p *SnapshotEtc) ImageMutatorBegin(ctx android.BaseModuleContext) {}
+
+func (p *SnapshotEtc) OutputFiles(tag string) (android.Paths, error) {
+	switch tag {
+	case "":
+		return android.Paths{p.outputFilePath}, nil
+	default:
+		return nil, fmt.Errorf("unsupported module reference tag %q", tag)
+	}
+
+}
+
+var _ android.PrebuiltInterface = (*SnapshotEtc)(nil)
+var _ android.ImageInterface = (*SnapshotEtc)(nil)
+var _ android.OutputFileProducer = (*SnapshotEtc)(nil)
diff --git a/etc/snapshot_etc_test.go b/etc/snapshot_etc_test.go
new file mode 100644
index 0000000..b9d5504
--- /dev/null
+++ b/etc/snapshot_etc_test.go
@@ -0,0 +1,185 @@
+// Copyright 2021 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package etc
+
+import (
+	"android/soong/android"
+	"testing"
+
+	"github.com/google/blueprint"
+)
+
+var registerSourceModule = func(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("source", newSourceModule)
+}
+
+type sourceModuleProperties struct {
+	Deps []string `android:"path,arch_variant"`
+}
+
+type sourceModule struct {
+	android.ModuleBase
+	android.OverridableModuleBase
+
+	properties                                     sourceModuleProperties
+	dependsOnSourceModule, dependsOnPrebuiltModule bool
+	deps                                           android.Paths
+	src                                            android.Path
+}
+
+func newSourceModule() android.Module {
+	m := &sourceModule{}
+	m.AddProperties(&m.properties)
+	android.InitAndroidArchModule(m, android.DeviceSupported, android.MultilibFirst)
+	android.InitOverridableModule(m, nil)
+	return m
+}
+
+func (s *sourceModule) OverridablePropertiesDepsMutator(ctx android.BottomUpMutatorContext) {
+	// s.properties.Deps are annotated with android:path, so they are
+	// automatically added to the dependency by pathDeps mutator
+}
+
+func (s *sourceModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+	s.deps = android.PathsForModuleSrc(ctx, s.properties.Deps)
+	s.src = android.PathForModuleSrc(ctx, "source_file")
+}
+
+func (s *sourceModule) Srcs() android.Paths {
+	return android.Paths{s.src}
+}
+
+var prepareForSnapshotEtcTest = android.GroupFixturePreparers(
+	android.PrepareForTestWithArchMutator,
+	android.PrepareForTestWithPrebuilts,
+	PrepareForTestWithPrebuiltEtc,
+	android.FixtureRegisterWithContext(RegisterSnapshotEtcModule),
+	android.FixtureRegisterWithContext(registerSourceModule),
+	android.FixtureMergeMockFs(android.MockFS{
+		"foo.conf": nil,
+		"bar.conf": nil,
+	}),
+)
+
+func TestSnapshotWithFilename(t *testing.T) {
+	var androidBp = `
+	snapshot_etc {
+		name: "etc_module",
+		src: "foo.conf",
+		filename: "bar.conf",
+	}
+	`
+
+	result := prepareForSnapshotEtcTest.RunTestWithBp(t, androidBp)
+	for _, variant := range result.ModuleVariantsForTests("etc_module") {
+		module := result.ModuleForTests("etc_module", variant)
+		s, ok := module.Module().(*SnapshotEtc)
+		if !ok {
+			t.Errorf("Expected snapshot_etc module type")
+		}
+		if s.outputFilePath.Base() != "bar.conf" {
+			t.Errorf("Output file path does not match with specified filename")
+		}
+	}
+}
+
+func TestSnapshotEtcWithOrigin(t *testing.T) {
+	var androidBp = `
+	prebuilt_etc {
+		name: "etc_module",
+		src: "foo.conf",
+	}
+
+	snapshot_etc {
+		name: "etc_module",
+		src: "bar.conf",
+	}
+
+	source {
+		name: "source",
+		deps: [":etc_module"],
+	}
+	`
+
+	result := prepareForSnapshotEtcTest.RunTestWithBp(t, androidBp)
+
+	for _, variant := range result.ModuleVariantsForTests("source") {
+		source := result.ModuleForTests("source", variant)
+
+		result.VisitDirectDeps(source.Module(), func(m blueprint.Module) {
+			if _, ok := m.(*PrebuiltEtc); !ok {
+				t.Errorf("Original prebuilt_etc module expected.")
+			}
+		})
+	}
+}
+
+func TestSnapshotEtcWithOriginAndPrefer(t *testing.T) {
+	var androidBp = `
+	prebuilt_etc {
+		name: "etc_module",
+		src: "foo.conf",
+	}
+
+	snapshot_etc {
+		name: "etc_module",
+		src: "bar.conf",
+		prefer: true,
+	}
+
+	source {
+		name: "source",
+		deps: [":etc_module"],
+	}
+	`
+
+	result := prepareForSnapshotEtcTest.RunTestWithBp(t, androidBp)
+
+	for _, variant := range result.ModuleVariantsForTests("source") {
+		source := result.ModuleForTests("source", variant)
+
+		result.VisitDirectDeps(source.Module(), func(m blueprint.Module) {
+			if _, ok := m.(*SnapshotEtc); !ok {
+				t.Errorf("Preferred snapshot_etc module expected.")
+			}
+		})
+	}
+}
+
+func TestSnapshotEtcWithoutOrigin(t *testing.T) {
+	var androidBp = `
+	snapshot_etc {
+		name: "etc_module",
+		src: "bar.conf",
+	}
+
+	source {
+		name: "source",
+		deps: [":etc_module"],
+	}
+	`
+
+	result := prepareForSnapshotEtcTest.RunTestWithBp(t, androidBp)
+
+	for _, variant := range result.ModuleVariantsForTests("source") {
+		source := result.ModuleForTests("source", variant)
+
+		result.VisitDirectDeps(source.Module(), func(m blueprint.Module) {
+			if _, ok := m.(*SnapshotEtc); !ok {
+				t.Errorf("Only source snapshot_etc module expected.")
+			}
+		})
+	}
+}
diff --git a/genrule/genrule.go b/genrule/genrule.go
index 8372a64..71a8780 100644
--- a/genrule/genrule.go
+++ b/genrule/genrule.go
@@ -68,7 +68,6 @@
 		ctx.BottomUp("genrule_tool_deps", toolDepsMutator).Parallel()
 	})
 
-	android.DepsBp2BuildMutators(RegisterGenruleBp2BuildDeps)
 	android.RegisterBp2BuildMutator("genrule", GenruleBp2Build)
 }
 
@@ -113,16 +112,17 @@
 	label string
 }
 type generatorProperties struct {
-	// The command to run on one or more input files. Cmd supports substitution of a few variables
+	// The command to run on one or more input files. Cmd supports substitution of a few variables.
 	//
 	// Available variables for substitution:
 	//
-	//  $(location): the path to the first entry in tools or tool_files
-	//  $(location <label>): the path to the tool, tool_file, input or output with name <label>
-	//  $(in): one or more input files
-	//  $(out): a single output file
-	//  $(depfile): a file to which dependencies will be written, if the depfile property is set to true
-	//  $(genDir): the sandbox directory for this tool; contains $(out)
+	//  $(location): the path to the first entry in tools or tool_files.
+	//  $(location <label>): the path to the tool, tool_file, input or output with name <label>. Use $(location) if <label> refers to a rule that outputs exactly one file.
+	//  $(locations <label>): the paths to the tools, tool_files, inputs or outputs with name <label>. Use $(locations) if <label> refers to a rule that outputs two or more files.
+	//  $(in): one or more input files.
+	//  $(out): a single output file.
+	//  $(depfile): a file to which dependencies will be written, if the depfile property is set to true.
+	//  $(genDir): the sandbox directory for this tool; contains $(out).
 	//  $$: a literal $
 	Cmd *string
 
diff --git a/go.mod b/go.mod
index 7297dea..14444b3 100644
--- a/go.mod
+++ b/go.mod
@@ -1,11 +1,19 @@
 module android/soong
 
-require github.com/golang/protobuf v0.0.0
+require google.golang.org/protobuf v0.0.0
 
 require github.com/google/blueprint v0.0.0
 
-replace github.com/golang/protobuf v0.0.0 => ../../external/golang-protobuf
+replace google.golang.org/protobuf v0.0.0 => ../../external/golang-protobuf
 
 replace github.com/google/blueprint v0.0.0 => ../blueprint
 
+// Indirect deps from golang-protobuf
+exclude github.com/golang/protobuf v1.5.0
+
+replace github.com/google/go-cmp v0.5.5 => ../../external/go-cmp
+
+// Indirect dep from go-cmp
+exclude golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543
+
 go 1.15
diff --git a/java/Android.bp b/java/Android.bp
index e5b8f96..9ffa123 100644
--- a/java/Android.bp
+++ b/java/Android.bp
@@ -10,6 +10,7 @@
         "blueprint-pathtools",
         "soong",
         "soong-android",
+        "soong-bazel",
         "soong-cc",
         "soong-dexpreopt",
         "soong-genrule",
diff --git a/java/app.go b/java/app.go
index 4e967ad..35ed27f 100755
--- a/java/app.go
+++ b/java/app.go
@@ -26,6 +26,7 @@
 	"github.com/google/blueprint/proptools"
 
 	"android/soong/android"
+	"android/soong/bazel"
 	"android/soong/cc"
 	"android/soong/dexpreopt"
 	"android/soong/tradefed"
@@ -42,6 +43,8 @@
 	ctx.RegisterModuleType("android_app_certificate", AndroidAppCertificateFactory)
 	ctx.RegisterModuleType("override_android_app", OverrideAndroidAppModuleFactory)
 	ctx.RegisterModuleType("override_android_test", OverrideAndroidTestModuleFactory)
+
+	android.RegisterBp2BuildMutator("android_app_certificate", AndroidAppCertificateBp2Build)
 }
 
 // AndroidManifest.xml merging
@@ -1104,6 +1107,8 @@
 
 type AndroidAppCertificate struct {
 	android.ModuleBase
+	android.BazelModuleBase
+
 	properties  AndroidAppCertificateProperties
 	Certificate Certificate
 }
@@ -1119,6 +1124,7 @@
 	module := &AndroidAppCertificate{}
 	module.AddProperties(&module.properties)
 	android.InitAndroidModule(module)
+	android.InitBazelModule(module)
 	return module
 }
 
@@ -1368,3 +1374,61 @@
 	outputFile := android.PathForModuleOut(ctx, "verify_uses_libraries", apk.Base())
 	return outputFile
 }
+
+// For Bazel / bp2build
+
+type bazelAndroidAppCertificateAttributes struct {
+	Certificate string
+}
+
+type bazelAndroidAppCertificate struct {
+	android.BazelTargetModuleBase
+	bazelAndroidAppCertificateAttributes
+}
+
+func BazelAndroidAppCertificateFactory() android.Module {
+	module := &bazelAndroidAppCertificate{}
+	module.AddProperties(&module.bazelAndroidAppCertificateAttributes)
+	android.InitBazelTargetModule(module)
+	return module
+}
+
+func AndroidAppCertificateBp2Build(ctx android.TopDownMutatorContext) {
+	module, ok := ctx.Module().(*AndroidAppCertificate)
+	if !ok {
+		// Not an Android app certificate
+		return
+	}
+	if !module.ConvertWithBp2build(ctx) {
+		return
+	}
+	if ctx.ModuleType() != "android_app_certificate" {
+		return
+	}
+
+	androidAppCertificateBp2BuildInternal(ctx, module)
+}
+
+func androidAppCertificateBp2BuildInternal(ctx android.TopDownMutatorContext, module *AndroidAppCertificate) {
+	var certificate string
+	if module.properties.Certificate != nil {
+		certificate = *module.properties.Certificate
+	}
+
+	attrs := &bazelAndroidAppCertificateAttributes{
+		Certificate: certificate,
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class:        "android_app_certificate",
+		Bzl_load_location: "//build/bazel/rules:android_app_certificate.bzl",
+	}
+
+	ctx.CreateBazelTargetModule(BazelAndroidAppCertificateFactory, module.Name(), props, attrs)
+}
+
+func (m *bazelAndroidAppCertificate) Name() string {
+	return m.BaseModuleName()
+}
+
+func (m *bazelAndroidAppCertificate) GenerateAndroidBuildActions(ctx android.ModuleContext) {}
diff --git a/java/app_test.go b/java/app_test.go
index a99ac62..7997f7a 100644
--- a/java/app_test.go
+++ b/java/app_test.go
@@ -2471,7 +2471,7 @@
 				PrepareForTestWithJavaSdkLibraryFiles,
 				FixtureWithLastReleaseApis("runtime-library", "foo", "bar"),
 				dexpreopt.FixtureSetBootJars("platform:foo"),
-				dexpreopt.FixtureSetUpdatableBootJars("platform:bar"),
+				dexpreopt.FixtureSetApexBootJars("platform:bar"),
 				dexpreopt.FixtureSetPreoptWithUpdatableBcp(test.with),
 			).RunTestWithBp(t, bp)
 
diff --git a/java/base.go b/java/base.go
index 6b81196..d8cd6b3 100644
--- a/java/base.go
+++ b/java/base.go
@@ -1230,7 +1230,7 @@
 			}
 			// Dex compilation
 			var dexOutputFile android.OutputPath
-			dexOutputFile = j.dexer.compileDex(ctx, flags, j.MinSdkVersion(ctx), outputFile, jarName)
+			dexOutputFile = j.dexer.compileDex(ctx, flags, j.MinSdkVersion(ctx), implementationAndResourcesJar, jarName)
 			if ctx.Failed() {
 				return
 			}
diff --git a/java/bootclasspath_fragment.go b/java/bootclasspath_fragment.go
index bdf0dae..bb542c4 100644
--- a/java/bootclasspath_fragment.go
+++ b/java/bootclasspath_fragment.go
@@ -537,15 +537,11 @@
 
 	global := dexpreopt.GetGlobalConfig(ctx)
 
-	possibleUpdatableModules := gatherPossibleUpdatableModuleNamesAndStems(ctx, b.properties.Contents, bootclasspathFragmentContentDepTag)
-
-	// Only create configs for updatable boot jars. Non-updatable boot jars must be part of the
-	// platform_bootclasspath's classpath proto config to guarantee that they come before any
-	// updatable jars at runtime.
-	jars := global.UpdatableBootJars.Filter(possibleUpdatableModules)
+	possibleUpdatableModules := gatherPossibleApexModuleNamesAndStems(ctx, b.properties.Contents, bootclasspathFragmentContentDepTag)
+	jars := global.ApexBootJars.Filter(possibleUpdatableModules)
 
 	// TODO(satayev): for apex_test we want to include all contents unconditionally to classpaths
-	// config. However, any test specific jars would not be present in UpdatableBootJars. Instead,
+	// config. However, any test specific jars would not be present in ApexBootJars. Instead,
 	// we should check if we are creating a config for apex_test via ApexInfo and amend the values.
 	// This is an exception to support end-to-end test for SdkExtensions, until such support exists.
 	if android.InList("test_framework-sdkextensions", possibleUpdatableModules) {
@@ -579,24 +575,16 @@
 	// Create hidden API input structure.
 	input := b.createHiddenAPIFlagInput(ctx, contents, fragments)
 
-	var output *HiddenAPIOutput
+	// Delegate the production of the hidden API all-flags.csv file to a module type specific method.
+	common := ctx.Module().(commonBootclasspathFragment)
+	output := common.produceHiddenAPIOutput(ctx, contents, input)
 
-	// Hidden API processing is conditional as a temporary workaround as not all
-	// bootclasspath_fragments provide the appropriate information needed for hidden API processing
-	// which leads to breakages of the build.
-	// TODO(b/179354495): Stop hidden API processing being conditional once all bootclasspath_fragment
-	//  modules have been updated to support it.
-	if input.canPerformHiddenAPIProcessing(ctx, b.properties) {
-		// Delegate the production of the hidden API all-flags.csv file to a module type specific method.
-		common := ctx.Module().(commonBootclasspathFragment)
-		output = common.produceHiddenAPIOutput(ctx, contents, input)
-	} else {
-		// As hidden API processing cannot be performed fall back to trying to retrieve the legacy
-		// encoded boot dex files, i.e. those files encoded by the individual libraries and returned
-		// from the DexJarBuildPath() method.
-		output = &HiddenAPIOutput{
-			EncodedBootDexFilesByModule: retrieveLegacyEncodedBootDexFiles(ctx, contents),
-		}
+	// If the source or prebuilts module does not provide a signature patterns file then generate one
+	// from the flags.
+	// TODO(b/192868581): Remove once the source and prebuilts provide a signature patterns file of
+	//  their own.
+	if output.SignaturePatternsPath == nil {
+		output.SignaturePatternsPath = buildRuleSignaturePatternsFile(ctx, output.AllFlagsPath)
 	}
 
 	// Initialize a HiddenAPIInfo structure.
@@ -615,7 +603,7 @@
 
 	// The monolithic hidden API processing also needs access to all the output files produced by
 	// hidden API processing of this fragment.
-	hiddenAPIInfo.HiddenAPIFlagOutput = (*output).HiddenAPIFlagOutput
+	hiddenAPIInfo.HiddenAPIFlagOutput = output.HiddenAPIFlagOutput
 
 	//  Provide it for use by other modules.
 	ctx.SetProvider(HiddenAPIInfoProvider, hiddenAPIInfo)
@@ -764,9 +752,6 @@
 	// Flag files by *hiddenAPIFlagFileCategory
 	Flag_files_by_category FlagFilesByCategory
 
-	// The path to the generated stub-flags.csv file.
-	Stub_flags_path android.OptionalPath
-
 	// The path to the generated annotation-flags.csv file.
 	Annotation_flags_path android.OptionalPath
 
@@ -776,6 +761,12 @@
 	// The path to the generated index.csv file.
 	Index_path android.OptionalPath
 
+	// The path to the generated signature-patterns.csv file.
+	Signature_patterns_path android.OptionalPath
+
+	// The path to the generated stub-flags.csv file.
+	Stub_flags_path android.OptionalPath
+
 	// The path to the generated all-flags.csv file.
 	All_flags_path android.OptionalPath
 }
@@ -792,10 +783,12 @@
 	b.Flag_files_by_category = hiddenAPIInfo.FlagFilesByCategory
 
 	// Copy all the generated file paths.
-	b.Stub_flags_path = android.OptionalPathForPath(hiddenAPIInfo.StubFlagsPath)
 	b.Annotation_flags_path = android.OptionalPathForPath(hiddenAPIInfo.AnnotationFlagsPath)
 	b.Metadata_path = android.OptionalPathForPath(hiddenAPIInfo.MetadataPath)
 	b.Index_path = android.OptionalPathForPath(hiddenAPIInfo.IndexPath)
+
+	b.Signature_patterns_path = android.OptionalPathForPath(hiddenAPIInfo.SignaturePatternsPath)
+	b.Stub_flags_path = android.OptionalPathForPath(hiddenAPIInfo.StubFlagsPath)
 	b.All_flags_path = android.OptionalPathForPath(hiddenAPIInfo.AllFlagsPath)
 
 	// Copy stub_libs properties.
@@ -859,10 +852,11 @@
 	}
 
 	// Copy all the generated files, if available.
-	copyOptionalPath(b.Stub_flags_path, "stub_flags")
 	copyOptionalPath(b.Annotation_flags_path, "annotation_flags")
 	copyOptionalPath(b.Metadata_path, "metadata")
 	copyOptionalPath(b.Index_path, "index")
+	copyOptionalPath(b.Signature_patterns_path, "signature_patterns")
+	copyOptionalPath(b.Stub_flags_path, "stub_flags")
 	copyOptionalPath(b.All_flags_path, "all_flags")
 }
 
@@ -872,9 +866,6 @@
 // specific properties.
 type prebuiltBootclasspathFragmentProperties struct {
 	Hidden_api struct {
-		// The path to the stub-flags.csv file created by the bootclasspath_fragment.
-		Stub_flags *string `android:"path"`
-
 		// The path to the annotation-flags.csv file created by the bootclasspath_fragment.
 		Annotation_flags *string `android:"path"`
 
@@ -884,6 +875,12 @@
 		// The path to the index.csv file created by the bootclasspath_fragment.
 		Index *string `android:"path"`
 
+		// The path to the signature-patterns.csv file created by the bootclasspath_fragment.
+		Signature_patterns *string `android:"path"`
+
+		// The path to the stub-flags.csv file created by the bootclasspath_fragment.
+		Stub_flags *string `android:"path"`
+
 		// The path to the all-flags.csv file created by the bootclasspath_fragment.
 		All_flags *string `android:"path"`
 	}
@@ -914,11 +911,17 @@
 func (module *prebuiltBootclasspathFragmentModule) produceHiddenAPIOutput(ctx android.ModuleContext, contents []android.Module, input HiddenAPIFlagInput) *HiddenAPIOutput {
 	pathForOptionalSrc := func(src *string) android.Path {
 		if src == nil {
-			// TODO(b/179354495): Fail if this is not provided once prebuilts have been updated.
 			return nil
 		}
 		return android.PathForModuleSrc(ctx, *src)
 	}
+	pathForSrc := func(property string, src *string) android.Path {
+		if src == nil {
+			ctx.PropertyErrorf(property, "is required but was not specified")
+			return android.PathForModuleSrc(ctx, "missing", property)
+		}
+		return android.PathForModuleSrc(ctx, *src)
+	}
 
 	// Retrieve the dex files directly from the content modules. They in turn should retrieve the
 	// encoded dex jars from the prebuilt .apex files.
@@ -926,11 +929,12 @@
 
 	output := HiddenAPIOutput{
 		HiddenAPIFlagOutput: HiddenAPIFlagOutput{
-			StubFlagsPath:       pathForOptionalSrc(module.prebuiltProperties.Hidden_api.Stub_flags),
-			AnnotationFlagsPath: pathForOptionalSrc(module.prebuiltProperties.Hidden_api.Annotation_flags),
-			MetadataPath:        pathForOptionalSrc(module.prebuiltProperties.Hidden_api.Metadata),
-			IndexPath:           pathForOptionalSrc(module.prebuiltProperties.Hidden_api.Index),
-			AllFlagsPath:        pathForOptionalSrc(module.prebuiltProperties.Hidden_api.All_flags),
+			AnnotationFlagsPath:   pathForSrc("hidden_api.annotation_flags", module.prebuiltProperties.Hidden_api.Annotation_flags),
+			MetadataPath:          pathForSrc("hidden_api.metadata", module.prebuiltProperties.Hidden_api.Metadata),
+			IndexPath:             pathForSrc("hidden_api.index", module.prebuiltProperties.Hidden_api.Index),
+			SignaturePatternsPath: pathForOptionalSrc(module.prebuiltProperties.Hidden_api.Signature_patterns),
+			StubFlagsPath:         pathForSrc("hidden_api.stub_flags", module.prebuiltProperties.Hidden_api.Stub_flags),
+			AllFlagsPath:          pathForSrc("hidden_api.all_flags", module.prebuiltProperties.Hidden_api.All_flags),
 		},
 		EncodedBootDexFilesByModule: encodedBootDexJarsByModule,
 	}
diff --git a/java/classpath_fragment.go b/java/classpath_fragment.go
index 12bb711..f63d81d 100644
--- a/java/classpath_fragment.go
+++ b/java/classpath_fragment.go
@@ -91,8 +91,8 @@
 	maxSdkVersion int32
 }
 
-// gatherPossibleUpdatableModuleNamesAndStems returns a set of module and stem names from the
-// supplied contents that may be in the updatable boot jars.
+// gatherPossibleApexModuleNamesAndStems returns a set of module and stem names from the
+// supplied contents that may be in the apex boot jars.
 //
 // The module names are included because sometimes the stem is set to just change the name of
 // the installed file and it expects the configuration to still use the actual module name.
@@ -100,7 +100,7 @@
 // The stem names are included because sometimes the stem is set to change the effective name of the
 // module that is used in the configuration as well,e .g. when a test library is overriding an
 // actual boot jar
-func gatherPossibleUpdatableModuleNamesAndStems(ctx android.ModuleContext, contents []string, tag blueprint.DependencyTag) []string {
+func gatherPossibleApexModuleNamesAndStems(ctx android.ModuleContext, contents []string, tag blueprint.DependencyTag) []string {
 	set := map[string]struct{}{}
 	for _, name := range contents {
 		dep := ctx.GetDirectDepWithTag(name, tag)
diff --git a/java/config/config.go b/java/config/config.go
index 273084c..30c6f91 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -69,8 +69,6 @@
 	pctx.StaticVariable("JavacHeapSize", "2048M")
 	pctx.StaticVariable("JavacHeapFlags", "-J-Xmx${JavacHeapSize}")
 	pctx.StaticVariable("DexFlags", "-JXX:OnError='cat hs_err_pid%p.log' -JXX:CICompilerCount=6 -JXX:+UseDynamicNumberOfGCThreads")
-	// TODO(b/181095653): remove duplicated flags.
-	pctx.StaticVariable("DexJavaFlags", "-XX:OnError='cat hs_err_pid%p.log' -XX:CICompilerCount=6 -XX:+UseDynamicNumberOfGCThreads -Xmx2G")
 
 	pctx.StaticVariable("CommonJdkFlags", strings.Join([]string{
 		`-Xmaxerrs 9999999`,
diff --git a/java/dex.go b/java/dex.go
index 6bf0143..667800f 100644
--- a/java/dex.go
+++ b/java/dex.go
@@ -84,19 +84,17 @@
 	return BoolDefault(d.dexProperties.Optimize.Enabled, d.dexProperties.Optimize.EnabledByDefault)
 }
 
-func init() {
-	pctx.HostBinToolVariable("runWithTimeoutCmd", "run_with_timeout")
-	pctx.SourcePathVariable("jstackCmd", "${config.JavaToolchain}/jstack")
-}
-
 var d8, d8RE = pctx.MultiCommandRemoteStaticRules("d8",
 	blueprint.RuleParams{
 		Command: `rm -rf "$outDir" && mkdir -p "$outDir" && ` +
-			`$d8Template${config.D8Cmd} ${config.DexFlags} --output $outDir $d8Flags $in && ` +
+			`mkdir -p $$(dirname $tmpJar) && ` +
+			`${config.Zip2ZipCmd} -i $in -o $tmpJar -x '**/*.dex' && ` +
+			`$d8Template${config.D8Cmd} ${config.DexFlags} --output $outDir $d8Flags $tmpJar && ` +
 			`$zipTemplate${config.SoongZipCmd} $zipFlags -o $outDir/classes.dex.jar -C $outDir -f "$outDir/classes*.dex" && ` +
 			`${config.MergeZipsCmd} -D -stripFile "**/*.class" $out $outDir/classes.dex.jar $in`,
 		CommandDeps: []string{
 			"${config.D8Cmd}",
+			"${config.Zip2ZipCmd}",
 			"${config.SoongZipCmd}",
 			"${config.MergeZipsCmd}",
 		},
@@ -115,17 +113,16 @@
 			ExecStrategy: "${config.RED8ExecStrategy}",
 			Platform:     map[string]string{remoteexec.PoolKey: "${config.REJavaPool}"},
 		},
-	}, []string{"outDir", "d8Flags", "zipFlags"}, nil)
+	}, []string{"outDir", "d8Flags", "zipFlags", "tmpJar"}, nil)
 
 var r8, r8RE = pctx.MultiCommandRemoteStaticRules("r8",
 	blueprint.RuleParams{
 		Command: `rm -rf "$outDir" && mkdir -p "$outDir" && ` +
 			`rm -f "$outDict" && rm -rf "${outUsageDir}" && ` +
 			`mkdir -p $$(dirname ${outUsage}) && ` +
-			// TODO(b/181095653): remove R8 timeout and go back to config.R8Cmd.
-			`${runWithTimeoutCmd} -timeout 30m -on_timeout '${jstackCmd} $$PID' -- ` +
-			`$r8Template${config.JavaCmd} ${config.DexJavaFlags} -cp ${config.R8Jar} ` +
-			`com.android.tools.r8.compatproguard.CompatProguard -injars $in --output $outDir ` +
+			`mkdir -p $$(dirname $tmpJar) && ` +
+			`${config.Zip2ZipCmd} -i $in -o $tmpJar -x '**/*.dex' && ` +
+			`$r8Template${config.R8Cmd} ${config.DexFlags} -injars $tmpJar --output $outDir ` +
 			`--no-data-resources ` +
 			`-printmapping ${outDict} ` +
 			`-printusage ${outUsage} ` +
@@ -136,10 +133,10 @@
 			`$zipTemplate${config.SoongZipCmd} $zipFlags -o $outDir/classes.dex.jar -C $outDir -f "$outDir/classes*.dex" && ` +
 			`${config.MergeZipsCmd} -D -stripFile "**/*.class" $out $outDir/classes.dex.jar $in`,
 		CommandDeps: []string{
-			"${config.R8Jar}",
+			"${config.R8Cmd}",
+			"${config.Zip2ZipCmd}",
 			"${config.SoongZipCmd}",
 			"${config.MergeZipsCmd}",
-			"${runWithTimeoutCmd}",
 		},
 	}, map[string]*remoteexec.REParams{
 		"$r8Template": &remoteexec.REParams{
@@ -165,7 +162,7 @@
 			Platform:     map[string]string{remoteexec.PoolKey: "${config.REJavaPool}"},
 		},
 	}, []string{"outDir", "outDict", "outUsage", "outUsageZip", "outUsageDir",
-		"r8Flags", "zipFlags"}, []string{"implicits"})
+		"r8Flags", "zipFlags", "tmpJar"}, []string{"implicits"})
 
 func (d *dexer) dexCommonFlags(ctx android.ModuleContext, minSdkVersion android.SdkSpec) []string {
 	flags := d.dexProperties.Dxflags
@@ -282,6 +279,7 @@
 	// Compile classes.jar into classes.dex and then javalib.jar
 	javalibJar := android.PathForModuleOut(ctx, "dex", jarName).OutputPath
 	outDir := android.PathForModuleOut(ctx, "dex")
+	tmpJar := android.PathForModuleOut(ctx, "withres-withoutdex", jarName)
 
 	zipFlags := "--ignore_missing_files"
 	if proptools.Bool(d.dexProperties.Uncompress_dex) {
@@ -309,6 +307,7 @@
 			"outUsage":    proguardUsage.String(),
 			"outUsageZip": proguardUsageZip.String(),
 			"outDir":      outDir.String(),
+			"tmpJar":      tmpJar.String(),
 		}
 		if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_R8") {
 			rule = r8RE
@@ -339,6 +338,7 @@
 				"d8Flags":  strings.Join(append(commonFlags, d8Flags...), " "),
 				"zipFlags": zipFlags,
 				"outDir":   outDir.String(),
+				"tmpJar":   tmpJar.String(),
 			},
 		})
 	}
diff --git a/java/dexpreopt_bootjars.go b/java/dexpreopt_bootjars.go
index dff9543..1019b4c 100644
--- a/java/dexpreopt_bootjars.go
+++ b/java/dexpreopt_bootjars.go
@@ -167,10 +167,10 @@
 // regardless which APEX goes into the product. See also android.ApexInfo.ApexVariationName and
 // apex.apexBundleProperties.Apex_name.
 //
-// A related variable PRODUCT_UPDATABLE_BOOT_JARS contains bootclasspath libraries that are in
-// APEXes. They are not included in the boot image. The only exception here is core-icu4j.jar that
-// has been historically part of the boot image and is now in a non updatable apex; it is treated
-// as being part of PRODUCT_BOOT_JARS and is in the boot image.
+// A related variable PRODUCT_APEX_BOOT_JARS contains bootclasspath libraries that are in APEXes.
+// They are not included in the boot image. The only exception here are ART jars and core-icu4j.jar
+// that have been historically part of the boot image and are now in apexes; they are in boot images
+// and core-icu4j.jar is generally treated as being part of PRODUCT_BOOT_JARS.
 //
 // One exception to the above rules are "coverage" builds (a special build flavor which requires
 // setting environment variable EMMA_INSTRUMENT_FRAMEWORK=true). In coverage builds the Java code in
@@ -523,14 +523,14 @@
 }
 
 // buildBootImageVariantsForBuildOs generates rules to build the boot image variants for the
-// android.BuildOs OsType, i.e. the type of OS on which the build is being running.
+// config.BuildOS OsType, i.e. the type of OS on which the build is being running.
 //
 // The files need to be generated into their predefined location because they are used from there
 // both within Soong and outside, e.g. for ART based host side testing and also for use by some
 // cloud based tools. However, they are not needed by callers of this function and so the paths do
 // not need to be returned from this func, unlike the buildBootImageVariantsForAndroidOs func.
 func buildBootImageVariantsForBuildOs(ctx android.ModuleContext, image *bootImageConfig, profile android.WritablePath) {
-	buildBootImageForOsType(ctx, image, profile, android.BuildOs)
+	buildBootImageForOsType(ctx, image, profile, ctx.Config().BuildOS)
 }
 
 // buildBootImageForOsType takes a bootImageConfig, a profile file and an android.OsType
@@ -810,10 +810,10 @@
 
 // generateUpdatableBcpPackagesRule generates the rule to create the updatable-bcp-packages.txt file
 // and returns a path to the generated file.
-func generateUpdatableBcpPackagesRule(ctx android.ModuleContext, image *bootImageConfig, updatableModules []android.Module) android.WritablePath {
+func generateUpdatableBcpPackagesRule(ctx android.ModuleContext, image *bootImageConfig, apexModules []android.Module) android.WritablePath {
 	// Collect `permitted_packages` for updatable boot jars.
 	var updatablePackages []string
-	for _, module := range updatableModules {
+	for _, module := range apexModules {
 		if j, ok := module.(PermittedPackagesForUpdatableBootJars); ok {
 			pp := j.PermittedPackagesForUpdatableBootJars()
 			if len(pp) > 0 {
diff --git a/java/dexpreopt_config.go b/java/dexpreopt_config.go
index b13955f..415a1d4 100644
--- a/java/dexpreopt_config.go
+++ b/java/dexpreopt_config.go
@@ -32,7 +32,7 @@
 		}
 	}
 	// We may also need the images on host in order to run host-based tests.
-	for _, target := range ctx.Config().Targets[android.BuildOs] {
+	for _, target := range ctx.Config().Targets[ctx.Config().BuildOS] {
 		targets = append(targets, target)
 	}
 
@@ -142,14 +142,14 @@
 	return genBootImageConfigs(ctx)[frameworkBootImageName]
 }
 
-// Updatable boot config allows to access build/install paths of updatable boot jars without going
+// 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.
-type updatableBootConfig struct {
-	// A list of updatable boot jars.
+type apexBootConfig struct {
+	// A list of apex boot jars.
 	modules android.ConfiguredJarList
 
-	// A list of predefined build paths to updatable boot jars. They are configured very early,
+	// A list of predefined build paths to apex boot jars. They are configured very early,
 	// before the modules for these jars are processed and the actual paths are generated, and
 	// later on a singleton adds commands to copy actual jars to the predefined paths.
 	dexPaths android.WritablePaths
@@ -161,21 +161,21 @@
 	dexLocations []string
 }
 
-var updatableBootConfigKey = android.NewOnceKey("updatableBootConfig")
+var updatableBootConfigKey = android.NewOnceKey("apexBootConfig")
 
-// Returns updatable boot config.
-func GetUpdatableBootConfig(ctx android.PathContext) updatableBootConfig {
+// Returns apex boot config.
+func GetApexBootConfig(ctx android.PathContext) apexBootConfig {
 	return ctx.Config().Once(updatableBootConfigKey, func() interface{} {
-		updatableBootJars := dexpreopt.GetGlobalConfig(ctx).UpdatableBootJars
+		apexBootJars := dexpreopt.GetGlobalConfig(ctx).ApexBootJars
 
-		dir := android.PathForOutput(ctx, ctx.Config().DeviceName(), "updatable_bootjars")
-		dexPaths := updatableBootJars.BuildPaths(ctx, dir)
-		dexPathsByModuleName := updatableBootJars.BuildPathsByModule(ctx, dir)
+		dir := android.PathForOutput(ctx, ctx.Config().DeviceName(), "apex_bootjars")
+		dexPaths := apexBootJars.BuildPaths(ctx, dir)
+		dexPathsByModuleName := apexBootJars.BuildPathsByModule(ctx, dir)
 
-		dexLocations := updatableBootJars.DevicePaths(ctx.Config(), android.Android)
+		dexLocations := apexBootJars.DevicePaths(ctx.Config(), android.Android)
 
-		return updatableBootConfig{updatableBootJars, dexPaths, dexPathsByModuleName, dexLocations}
-	}).(updatableBootConfig)
+		return apexBootConfig{apexBootJars, dexPaths, dexPathsByModuleName, dexLocations}
+	}).(apexBootConfig)
 }
 
 // Returns a list of paths and a list of locations for the boot jars used in dexpreopt (to be
@@ -188,10 +188,10 @@
 	dexLocations := bootImage.getAnyAndroidVariant().dexLocationsDeps
 
 	if withUpdatable {
-		// Updatable boot jars (they are used only in dexpreopt, but not in the boot image).
-		updBootConfig := GetUpdatableBootConfig(ctx)
-		dexPaths = append(dexPaths, updBootConfig.dexPaths...)
-		dexLocations = append(dexLocations, updBootConfig.dexLocations...)
+		// Apex boot jars (they are used only in dexpreopt, but not in the boot image).
+		apexBootConfig := GetApexBootConfig(ctx)
+		dexPaths = append(dexPaths, apexBootConfig.dexPaths...)
+		dexLocations = append(dexLocations, apexBootConfig.dexLocations...)
 	}
 
 	return dexPaths, dexLocations
diff --git a/java/dexpreopt_test.go b/java/dexpreopt_test.go
index b25dece..8dc7b79 100644
--- a/java/dexpreopt_test.go
+++ b/java/dexpreopt_test.go
@@ -16,6 +16,7 @@
 
 import (
 	"fmt"
+	"runtime"
 	"testing"
 
 	"android/soong/android"
@@ -173,9 +174,9 @@
 }
 
 func TestDex2oatToolDeps(t *testing.T) {
-	if android.BuildOs != android.Linux {
+	if runtime.GOOS != "linux" {
 		// The host binary paths checked below are build OS dependent.
-		t.Skipf("Unsupported build OS %s", android.BuildOs)
+		t.Skipf("Unsupported build OS %s", runtime.GOOS)
 	}
 
 	preparers := android.GroupFixturePreparers(
diff --git a/java/hiddenapi.go b/java/hiddenapi.go
index f901434..30683da 100644
--- a/java/hiddenapi.go
+++ b/java/hiddenapi.go
@@ -118,11 +118,11 @@
 }
 
 func isModuleInBootClassPath(ctx android.BaseModuleContext, module android.Module) bool {
-	// Get the configured non-updatable and updatable boot jars.
-	nonUpdatableBootJars := ctx.Config().NonUpdatableBootJars()
-	updatableBootJars := ctx.Config().UpdatableBootJars()
-	active := isModuleInConfiguredList(ctx, module, nonUpdatableBootJars) ||
-		isModuleInConfiguredList(ctx, module, updatableBootJars)
+	// Get the configured platform and apex boot jars.
+	nonApexBootJars := ctx.Config().NonApexBootJars()
+	apexBootJars := ctx.Config().ApexBootJars()
+	active := isModuleInConfiguredList(ctx, module, nonApexBootJars) ||
+		isModuleInConfiguredList(ctx, module, apexBootJars)
 	return active
 }
 
diff --git a/java/hiddenapi_modular.go b/java/hiddenapi_modular.go
index c4832d2..8a06a99 100644
--- a/java/hiddenapi_modular.go
+++ b/java/hiddenapi_modular.go
@@ -20,7 +20,6 @@
 
 	"android/soong/android"
 	"github.com/google/blueprint"
-	"github.com/google/blueprint/proptools"
 )
 
 // Contains support for processing hiddenAPI in a modular fashion.
@@ -298,7 +297,7 @@
 //
 // The rule is initialized but not built so that the caller can modify it and select an appropriate
 // name.
-func buildRuleToGenerateHiddenAPIStubFlagsFile(ctx android.BuilderContext, name, desc string, outputPath android.WritablePath, bootDexJars android.Paths, input HiddenAPIFlagInput, moduleStubFlagsPaths android.Paths) {
+func buildRuleToGenerateHiddenAPIStubFlagsFile(ctx android.BuilderContext, name, desc string, outputPath android.WritablePath, bootDexJars android.Paths, input HiddenAPIFlagInput, stubFlagSubsets SignatureCsvSubsets) {
 	// Singleton rule which applies hiddenapi on all boot class path dex files.
 	rule := android.NewRuleBuilder(pctx, ctx)
 
@@ -318,7 +317,7 @@
 
 	// If no module stub flags paths are provided then this must be being called for a
 	// bootclasspath_fragment and not the whole platform_bootclasspath.
-	if moduleStubFlagsPaths == nil {
+	if stubFlagSubsets == nil {
 		// This is being run on a fragment of the bootclasspath.
 		command.Flag("--fragment")
 	}
@@ -343,8 +342,8 @@
 
 	// If there are stub flag files that have been generated by fragments on which this depends then
 	// use them to validate the stub flag file generated by the rules created by this method.
-	if len(moduleStubFlagsPaths) > 0 {
-		validFile := buildRuleValidateOverlappingCsvFiles(ctx, name, desc, outputPath, moduleStubFlagsPaths)
+	if len(stubFlagSubsets) > 0 {
+		validFile := buildRuleValidateOverlappingCsvFiles(ctx, name, desc, outputPath, stubFlagSubsets)
 
 		// Add the file that indicates that the file generated by this is valid.
 		//
@@ -511,14 +510,6 @@
 	}
 }
 
-// dedup removes duplicates in the flag files, while maintaining the order in which they were
-// appended.
-func (s FlagFilesByCategory) dedup() {
-	for category, paths := range s {
-		s[category] = android.FirstUniquePaths(paths)
-	}
-}
-
 // HiddenAPIInfo contains information provided by the hidden API processing.
 //
 // That includes paths resolved from HiddenAPIFlagFileProperties and also generated by hidden API
@@ -555,6 +546,20 @@
 	}
 }
 
+// StubFlagSubset returns a SignatureCsvSubset that contains a path to a stub-flags.csv file and a
+// path to a signature-patterns.csv file that defines a subset of the monolithic stub flags file,
+// i.e. out/soong/hiddenapi/hiddenapi-stub-flags.txt, against which it will be compared.
+func (i *HiddenAPIInfo) StubFlagSubset() SignatureCsvSubset {
+	return SignatureCsvSubset{i.StubFlagsPath, i.SignaturePatternsPath}
+}
+
+// FlagSubset returns a SignatureCsvSubset that contains a path to an all-flags.csv file and a
+// path to a signature-patterns.csv file that defines a subset of the monolithic flags file, i.e.
+// out/soong/hiddenapi/hiddenapi-flags.csv, against which it will be compared.
+func (i *HiddenAPIInfo) FlagSubset() SignatureCsvSubset {
+	return SignatureCsvSubset{i.AllFlagsPath, i.SignaturePatternsPath}
+}
+
 var HiddenAPIInfoProvider = blueprint.NewProvider(HiddenAPIInfo{})
 
 // ModuleStubDexJars contains the stub dex jars provided by a single module.
@@ -712,42 +717,6 @@
 	return input
 }
 
-// canPerformHiddenAPIProcessing determines whether hidden API processing should be performed.
-//
-// A temporary workaround to avoid existing bootclasspath_fragments that do not provide the
-// appropriate information needed for hidden API processing breaking the build.
-// TODO(b/179354495): Remove this workaround.
-func (i *HiddenAPIFlagInput) canPerformHiddenAPIProcessing(ctx android.ModuleContext, properties bootclasspathFragmentProperties) bool {
-	// Performing hidden API processing without stubs is not supported and it is unlikely to ever be
-	// required as the whole point of adding something to the bootclasspath fragment is to add it to
-	// the bootclasspath in order to be used by something else in the system. Without any stubs it
-	// cannot do that.
-	if len(i.StubDexJarsByScope) == 0 {
-		return false
-	}
-
-	// Hidden API processing is always enabled in tests.
-	if ctx.Config().TestProductVariables != nil {
-		return true
-	}
-
-	// A module that has fragments should have access to the information it needs in order to perform
-	// hidden API processing.
-	if len(properties.Fragments) != 0 {
-		return true
-	}
-
-	// The art bootclasspath fragment does not depend on any other fragments but already supports
-	// hidden API processing.
-	imageName := proptools.String(properties.Image_name)
-	if imageName == "art" {
-		return true
-	}
-
-	// Disable it for everything else.
-	return false
-}
-
 // gatherStubLibInfo gathers information from the stub libs needed by hidden API processing from the
 // dependencies added in hiddenAPIAddStubLibDependencies.
 //
@@ -827,6 +796,10 @@
 
 	// The path to the generated all-flags.csv file.
 	AllFlagsPath android.Path
+
+	// The path to the generated signature-patterns.txt file which defines the subset of the
+	// monolithic hidden API files provided in this.
+	SignaturePatternsPath android.Path
 }
 
 // bootDexJarByModule is a map from base module name (without prebuilt_ prefix) to the boot dex
@@ -893,7 +866,7 @@
 // the annotationFlags.
 func buildRuleToGenerateHiddenApiFlags(ctx android.BuilderContext, name, desc string,
 	outputPath android.WritablePath, baseFlagsPath android.Path, annotationFlagPaths android.Paths,
-	flagFilesByCategory FlagFilesByCategory, allFlagsPaths android.Paths, generatedRemovedDexSignatures android.OptionalPath) {
+	flagFilesByCategory FlagFilesByCategory, flagSubsets SignatureCsvSubsets, generatedRemovedDexSignatures android.OptionalPath) {
 
 	// Create the rule that will generate the flag files.
 	tempPath := tempPathForRestat(ctx, outputPath)
@@ -922,8 +895,8 @@
 
 	// If there are flag files that have been generated by fragments on which this depends then use
 	// them to validate the flag file generated by the rules created by this method.
-	if len(allFlagsPaths) > 0 {
-		validFile := buildRuleValidateOverlappingCsvFiles(ctx, name, desc, outputPath, allFlagsPaths)
+	if len(flagSubsets) > 0 {
+		validFile := buildRuleValidateOverlappingCsvFiles(ctx, name, desc, outputPath, flagSubsets)
 
 		// Add the file that indicates that the file generated by this is valid.
 		//
@@ -935,20 +908,66 @@
 	rule.Build(name, desc)
 }
 
+// SignatureCsvSubset describes a subset of a monolithic flags file, i.e. either
+// out/soong/hiddenapi/hiddenapi-stub-flags.txt or out/soong/hiddenapi/hiddenapi-flags.csv
+type SignatureCsvSubset struct {
+	// The path to the CSV file containing hidden API flags.
+	//
+	// It has the dex member signature as the first column, with flags, one per column, in the
+	// subsequent columns.
+	CsvFile android.Path
+
+	// The path to the CSV file containing the signature patterns.
+	//
+	// It is a single column CSV file with the column containing a signature pattern.
+	SignaturePatternsFile android.Path
+}
+
+type SignatureCsvSubsets []SignatureCsvSubset
+
+func (s SignatureCsvSubsets) RelativeToTop() []string {
+	result := []string{}
+	for _, subset := range s {
+		result = append(result, fmt.Sprintf("%s:%s", subset.CsvFile.RelativeToTop(), subset.SignaturePatternsFile.RelativeToTop()))
+	}
+	return result
+}
+
+// buildRuleSignaturePatternsFile creates a rule to generate a file containing the set of signature
+// patterns that will select a subset of the monolithic flags.
+func buildRuleSignaturePatternsFile(ctx android.ModuleContext, flagsPath android.Path) android.Path {
+	patternsFile := android.PathForModuleOut(ctx, "modular-hiddenapi", "signature-patterns.csv")
+	// Create a rule to validate the output from the following rule.
+	rule := android.NewRuleBuilder(pctx, ctx)
+	rule.Command().
+		BuiltTool("signature_patterns").
+		FlagWithInput("--flags ", flagsPath).
+		FlagWithOutput("--output ", patternsFile)
+	rule.Build("hiddenAPISignaturePatterns", "hidden API signature patterns")
+
+	return patternsFile
+}
+
 // buildRuleValidateOverlappingCsvFiles checks that the modular CSV files, i.e. the files generated
 // by the individual bootclasspath_fragment modules are subsets of the monolithic CSV file.
-func buildRuleValidateOverlappingCsvFiles(ctx android.BuilderContext, name string, desc string, monolithicFilePath android.WritablePath, modularFilePaths android.Paths) android.WritablePath {
+func buildRuleValidateOverlappingCsvFiles(ctx android.BuilderContext, name string, desc string, monolithicFilePath android.WritablePath, csvSubsets SignatureCsvSubsets) android.WritablePath {
 	// The file which is used to record that the flags file is valid.
 	validFile := pathForValidation(ctx, monolithicFilePath)
 
 	// Create a rule to validate the output from the following rule.
 	rule := android.NewRuleBuilder(pctx, ctx)
-	rule.Command().
+	command := rule.Command().
 		BuiltTool("verify_overlaps").
-		Input(monolithicFilePath).
-		Inputs(modularFilePaths).
-		// If validation passes then update the file that records that.
-		Text("&& touch").Output(validFile)
+		Input(monolithicFilePath)
+
+	for _, subset := range csvSubsets {
+		command.
+			Textf("%s:%s", subset.CsvFile, subset.SignaturePatternsFile).
+			Implicit(subset.CsvFile).Implicit(subset.SignaturePatternsFile)
+	}
+
+	// If validation passes then update the file that records that.
+	command.Text("&& touch").Output(validFile)
 	rule.Build(name+"Validation", desc+" validation")
 
 	return validFile
diff --git a/java/hiddenapi_monolithic.go b/java/hiddenapi_monolithic.go
index 52f0770..5956e3c 100644
--- a/java/hiddenapi_monolithic.go
+++ b/java/hiddenapi_monolithic.go
@@ -29,9 +29,6 @@
 	// that category.
 	FlagsFilesByCategory FlagFilesByCategory
 
-	// The paths to the generated stub-flags.csv files.
-	StubFlagsPaths android.Paths
-
 	// The paths to the generated annotation-flags.csv files.
 	AnnotationFlagsPaths android.Paths
 
@@ -41,8 +38,13 @@
 	// The paths to the generated index.csv files.
 	IndexPaths android.Paths
 
-	// The paths to the generated all-flags.csv files.
-	AllFlagsPaths android.Paths
+	// The subsets of the monolithic hiddenapi-stubs-flags.txt file that are provided by each
+	// bootclasspath_fragment modules.
+	StubFlagSubsets SignatureCsvSubsets
+
+	// The subsets of the monolithic hiddenapi-flags.csv file that are provided by each
+	// bootclasspath_fragment modules.
+	FlagSubsets SignatureCsvSubsets
 
 	// The classes jars from the libraries on the platform bootclasspath.
 	ClassesJars android.Paths
@@ -58,68 +60,34 @@
 	// Merge all the information from the classpathElements. The fragments form a DAG so it is possible that
 	// this will introduce duplicates so they will be resolved after processing all the classpathElements.
 	for _, element := range classpathElements {
-		var classesJars android.Paths
 		switch e := element.(type) {
 		case *ClasspathLibraryElement:
-			classesJars = retrieveClassesJarsFromModule(e.Module())
+			classesJars := retrieveClassesJarsFromModule(e.Module())
+			monolithicInfo.ClassesJars = append(monolithicInfo.ClassesJars, classesJars...)
 
 		case *ClasspathFragmentElement:
 			fragment := e.Module()
 			if ctx.OtherModuleHasProvider(fragment, HiddenAPIInfoProvider) {
 				info := ctx.OtherModuleProvider(fragment, HiddenAPIInfoProvider).(HiddenAPIInfo)
 				monolithicInfo.append(&info)
-
-				// If the bootclasspath fragment actually perform hidden API processing itself then use the
-				// CSV files it provides and do not bother processing the classesJars files. This ensures
-				// consistent behavior between source and prebuilt as prebuilt modules do not provide
-				// classesJars.
-				if info.AllFlagsPath != nil {
-					continue
-				}
+			} else {
+				ctx.ModuleErrorf("%s does not provide hidden API information", fragment)
 			}
-
-			classesJars = extractClassesJarsFromModules(e.Contents)
 		}
-
-		monolithicInfo.ClassesJars = append(monolithicInfo.ClassesJars, classesJars...)
 	}
 
-	// Dedup paths.
-	monolithicInfo.dedup()
-
 	return monolithicInfo
 }
 
 // append appends all the files from the supplied info to the corresponding files in this struct.
 func (i *MonolithicHiddenAPIInfo) append(other *HiddenAPIInfo) {
 	i.FlagsFilesByCategory.append(other.FlagFilesByCategory)
+	i.AnnotationFlagsPaths = append(i.AnnotationFlagsPaths, other.AnnotationFlagsPath)
+	i.MetadataPaths = append(i.MetadataPaths, other.MetadataPath)
+	i.IndexPaths = append(i.IndexPaths, other.IndexPath)
 
-	// The output may not be set if the bootclasspath_fragment has not yet been updated to support
-	// hidden API processing.
-	// TODO(b/179354495): Switch back to append once all bootclasspath_fragment modules have been
-	//  updated to support hidden API processing properly.
-	appendIfNotNil := func(paths android.Paths, path android.Path) android.Paths {
-		if path == nil {
-			return paths
-		}
-		return append(paths, path)
-	}
-	i.StubFlagsPaths = appendIfNotNil(i.StubFlagsPaths, other.StubFlagsPath)
-	i.AnnotationFlagsPaths = appendIfNotNil(i.AnnotationFlagsPaths, other.AnnotationFlagsPath)
-	i.MetadataPaths = appendIfNotNil(i.MetadataPaths, other.MetadataPath)
-	i.IndexPaths = appendIfNotNil(i.IndexPaths, other.IndexPath)
-	i.AllFlagsPaths = appendIfNotNil(i.AllFlagsPaths, other.AllFlagsPath)
-}
-
-// dedup removes duplicates in all the paths, while maintaining the order in which they were
-// appended.
-func (i *MonolithicHiddenAPIInfo) dedup() {
-	i.FlagsFilesByCategory.dedup()
-	i.StubFlagsPaths = android.FirstUniquePaths(i.StubFlagsPaths)
-	i.AnnotationFlagsPaths = android.FirstUniquePaths(i.AnnotationFlagsPaths)
-	i.MetadataPaths = android.FirstUniquePaths(i.MetadataPaths)
-	i.IndexPaths = android.FirstUniquePaths(i.IndexPaths)
-	i.AllFlagsPaths = android.FirstUniquePaths(i.AllFlagsPaths)
+	i.StubFlagSubsets = append(i.StubFlagSubsets, other.StubFlagSubset())
+	i.FlagSubsets = append(i.FlagSubsets, other.FlagSubset())
 }
 
 var MonolithicHiddenAPIInfoProvider = blueprint.NewProvider(MonolithicHiddenAPIInfo{})
diff --git a/java/java.go b/java/java.go
index 83e9fe1..b6e2a54 100644
--- a/java/java.go
+++ b/java/java.go
@@ -130,11 +130,19 @@
 			PropertyName: "java_boot_libs",
 			SupportsSdk:  true,
 		},
-		// Temporarily export implementation classes jar for java_boot_libs as it is required for the
-		// hiddenapi processing.
-		// TODO(b/179354495): Revert once hiddenapi processing has been modularized.
-		exportImplementationClassesJar,
-		sdkSnapshotFilePathForJar,
+		func(ctx android.SdkMemberContext, j *Library) android.Path {
+			// Java boot libs are only provided in the SDK to provide access to their dex implementation
+			// jar for use by dexpreopting and boot jars package check. They do not need to provide an
+			// actual implementation jar but the java_import will need a file that exists so just copy an
+			// empty file. Any attempt to use that file as a jar will cause a build error.
+			return ctx.SnapshotBuilder().EmptyFile()
+		},
+		func(osPrefix, name string) string {
+			// Create a special name for the implementation jar to try and provide some useful information
+			// to a developer that attempts to compile against this.
+			// TODO(b/175714559): Provide a proper error message in Soong not ninja.
+			return filepath.Join(osPrefix, "java_boot_libs", "snapshot", "jars", "are", "invalid", name+jarFileSuffix)
+		},
 		onlyCopyJarToSnapshot,
 	}
 
@@ -449,7 +457,7 @@
 
 var _ android.ApexModule = (*Library)(nil)
 
-// Provides access to the list of permitted packages from updatable boot jars.
+// Provides access to the list of permitted packages from apex boot jars.
 type PermittedPackagesForUpdatableBootJars interface {
 	PermittedPackagesForUpdatableBootJars() []string
 }
diff --git a/java/java_test.go b/java/java_test.go
index 0f9965d..b6780c2 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -441,7 +441,7 @@
 		}
 	`)
 
-	buildOS := android.BuildOs.String()
+	buildOS := ctx.Config().BuildOS.String()
 
 	bar := ctx.ModuleForTests("bar", buildOS+"_common")
 	barJar := bar.Output("bar.jar").Output.String()
@@ -478,7 +478,7 @@
 		}
 	`)
 
-	buildOS := android.BuildOs.String()
+	buildOS := ctx.Config().BuildOS.String()
 
 	foo := ctx.ModuleForTests("foo", buildOS+"_common").Module().(*TestHost)
 
@@ -523,7 +523,7 @@
 	}
 
 	// check that -g is not overridden for host modules
-	buildOS := android.BuildOs.String()
+	buildOS := result.Config.BuildOS.String()
 	hostBinary := result.ModuleForTests("host_binary", buildOS+"_common")
 	hostJavaFlags := hostBinary.Module().VariablesForTests()["javacFlags"]
 	if strings.Contains(hostJavaFlags, "-g:source,lines") {
@@ -1371,7 +1371,7 @@
 		}
 	`)
 
-	buildOS := android.BuildOs.String()
+	buildOS := ctx.Config().BuildOS.String()
 
 	test := ctx.ModuleForTests("foo", buildOS+"_common").Module().(*TestHost)
 	entries := android.AndroidMkEntriesForTest(t, ctx, test)[0]
@@ -1387,7 +1387,7 @@
 		}
 	`)
 
-	buildOS := android.BuildOs.String()
+	buildOS := ctx.Config().BuildOS.String()
 	module := ctx.ModuleForTests("foo", buildOS+"_common").Module().(*TestHost)
 	assertDeepEquals(t, "Default installable value should be true.", proptools.BoolPtr(true),
 		module.properties.Installable)
diff --git a/java/kotlin_test.go b/java/kotlin_test.go
index fd2f3ca..db30696 100644
--- a/java/kotlin_test.go
+++ b/java/kotlin_test.go
@@ -15,10 +15,11 @@
 package java
 
 import (
-	"android/soong/android"
 	"strconv"
 	"strings"
 	"testing"
+
+	"android/soong/android"
 )
 
 func TestKotlin(t *testing.T) {
@@ -114,7 +115,7 @@
 	t.Run("", func(t *testing.T) {
 		ctx, _ := testJava(t, bp)
 
-		buildOS := android.BuildOs.String()
+		buildOS := ctx.Config().BuildOS.String()
 
 		kapt := ctx.ModuleForTests("foo", "android_common").Rule("kapt")
 		kotlinc := ctx.ModuleForTests("foo", "android_common").Rule("kotlinc")
@@ -182,7 +183,7 @@
 			android.FixtureMergeEnv(env),
 		).RunTestWithBp(t, bp)
 
-		buildOS := android.BuildOs.String()
+		buildOS := result.Config.BuildOS.String()
 
 		kapt := result.ModuleForTests("foo", "android_common").Rule("kapt")
 		javac := result.ModuleForTests("foo", "android_common").Description("javac")
diff --git a/java/lint_defaults.txt b/java/lint_defaults.txt
index 75de7dc..4bc0c5f 100644
--- a/java/lint_defaults.txt
+++ b/java/lint_defaults.txt
@@ -1,10 +1,37 @@
 # Treat LintError as fatal to catch invocation errors
 --fatal_check LintError
 
+# Checks which do not apply to the platform (implementation
+# in lint assumes that it's running on app code)
+
+--disable_check AnimatorKeep
+--disable_check AppBundleLocaleChanges
+--disable_check BlockedPrivateApi
+--disable_check CustomSplashScreen
+--disable_check CustomX509TrustManager
+--disable_check Deprecated
+--disable_check ExifInterface
+--disable_check HardwareIds
+--disable_check InvalidWakeLockTag
+--disable_check LibraryCustomView
+--disable_check MissingPermission
+--disable_check NonConstantResourceId
+--disable_check OldTargetApi
+--disable_check Override
+--disable_check PackageManagerGetSignatures
+--disable_check PrivateApi
+--disable_check ProtectedPermissions
+--disable_check QueryPermissionsNeeded
+--disable_check ScopedStorage
+--disable_check ServiceCast
+--disable_check SoonBlockedPrivateApi
+--disable_check SuspiciousImport
+--disable_check UnusedResources
+--disable_check ViewConstructor
+
 # Downgrade existing errors to warnings
 --warning_check AppCompatResource                  # 55 occurences in 10 modules
 --warning_check AppLinkUrlError                    # 111 occurences in 53 modules
---warning_check BlockedPrivateApi                  # 2 occurences in 2 modules
 --warning_check ByteOrderMark                      # 2 occurences in 2 modules
 --warning_check DuplicateActivity                  # 3 occurences in 3 modules
 --warning_check DuplicateDefinition                # 3623 occurences in 48 modules
@@ -22,9 +49,7 @@
 --warning_check Instantiatable                     # 145 occurences in 19 modules
 --warning_check InvalidPermission                  # 6 occurences in 4 modules
 --warning_check InvalidUsesTagAttribute            # 6 occurences in 2 modules
---warning_check InvalidWakeLockTag                 # 111 occurences in 37 modules
 --warning_check JavascriptInterface                # 3 occurences in 2 modules
---warning_check LibraryCustomView                  # 9 occurences in 4 modules
 --warning_check LogTagMismatch                     # 81 occurences in 13 modules
 --warning_check LongLogTag                         # 249 occurences in 12 modules
 --warning_check MenuTitle                          # 5 occurences in 4 modules
@@ -35,7 +60,6 @@
 --warning_check MissingLeanbackLauncher            # 3 occurences in 3 modules
 --warning_check MissingLeanbackSupport             # 2 occurences in 2 modules
 --warning_check MissingOnPlayFromSearch            # 1 occurences in 1 modules
---warning_check MissingPermission                  # 2071 occurences in 150 modules
 --warning_check MissingPrefix                      # 46 occurences in 41 modules
 --warning_check MissingQuantity                    # 100 occurences in 1 modules
 --warning_check MissingSuperCall                   # 121 occurences in 36 modules
@@ -47,9 +71,7 @@
 --warning_check ObjectAnimatorBinding              # 14 occurences in 5 modules
 --warning_check OnClick                            # 49 occurences in 21 modules
 --warning_check Orientation                        # 77 occurences in 19 modules
---warning_check Override                           # 385 occurences in 36 modules
 --warning_check ParcelCreator                      # 23 occurences in 2 modules
---warning_check ProtectedPermissions               # 2413 occurences in 381 modules
 --warning_check Range                              # 80 occurences in 28 modules
 --warning_check RecyclerView                       # 1 occurences in 1 modules
 --warning_check ReferenceType                      # 4 occurences in 1 modules
@@ -60,8 +82,6 @@
 --warning_check ResourceType                       # 137 occurences in 36 modules
 --warning_check RestrictedApi                      # 28 occurences in 5 modules
 --warning_check RtlCompat                          # 9 occurences in 6 modules
---warning_check ServiceCast                        # 3 occurences in 1 modules
---warning_check SoonBlockedPrivateApi              # 5 occurences in 3 modules
 --warning_check StringFormatInvalid                # 148 occurences in 11 modules
 --warning_check StringFormatMatches                # 4800 occurences in 30 modules
 --warning_check UnknownId                          # 8 occurences in 7 modules
@@ -74,11 +94,9 @@
 --warning_check WrongThread                        # 14 occurences in 6 modules
 --warning_check WrongViewCast                      # 1 occurences in 1 modules
 
-# TODO(b/158390965): remove this when lint doesn't crash
---disable_check HardcodedDebugMode
-
---warning_check QueryAllPackagesPermission
-
 --warning_check CoarseFineLocation
 --warning_check IntentFilterExportedReceiver
+--warning_check QueryAllPackagesPermission
 --warning_check RemoteViewLayout
+--warning_check SupportAnnotationUsage
+--warning_check UniqueConstants
diff --git a/java/platform_bootclasspath.go b/java/platform_bootclasspath.go
index 8bed3e9..36baf7e 100644
--- a/java/platform_bootclasspath.go
+++ b/java/platform_bootclasspath.go
@@ -32,9 +32,9 @@
 // The tags used for the dependencies between the platform bootclasspath and any configured boot
 // jars.
 var (
-	platformBootclasspathArtBootJarDepTag          = bootclasspathDependencyTag{name: "art-boot-jar"}
-	platformBootclasspathNonUpdatableBootJarDepTag = bootclasspathDependencyTag{name: "non-updatable-boot-jar"}
-	platformBootclasspathUpdatableBootJarDepTag    = bootclasspathDependencyTag{name: "updatable-boot-jar"}
+	platformBootclasspathArtBootJarDepTag  = bootclasspathDependencyTag{name: "art-boot-jar"}
+	platformBootclasspathBootJarDepTag     = bootclasspathDependencyTag{name: "platform-boot-jar"}
+	platformBootclasspathApexBootJarDepTag = bootclasspathDependencyTag{name: "apex-boot-jar"}
 )
 
 type platformBootclasspathModule struct {
@@ -131,11 +131,11 @@
 	// Add dependencies on all the non-updatable module configured in the "boot" boot image. That does
 	// not include modules configured in the "art" boot image.
 	bootImageConfig := b.getImageConfig(ctx)
-	addDependenciesOntoBootImageModules(ctx, bootImageConfig.modules, platformBootclasspathNonUpdatableBootJarDepTag)
+	addDependenciesOntoBootImageModules(ctx, bootImageConfig.modules, platformBootclasspathBootJarDepTag)
 
-	// Add dependencies on all the updatable modules.
-	updatableModules := dexpreopt.GetGlobalConfig(ctx).UpdatableBootJars
-	addDependenciesOntoBootImageModules(ctx, updatableModules, platformBootclasspathUpdatableBootJarDepTag)
+	// Add dependencies on all the apex jars.
+	apexJars := dexpreopt.GetGlobalConfig(ctx).ApexBootJars
+	addDependenciesOntoBootImageModules(ctx, apexJars, platformBootclasspathApexBootJarDepTag)
 
 	// Add dependencies on all the fragments.
 	b.properties.BootclasspathFragmentsDepsProperties.addDependenciesOntoFragments(ctx)
@@ -163,16 +163,16 @@
 }
 
 func (b *platformBootclasspathModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
-	// Gather all the dependencies from the art, updatable and non-updatable boot jars.
+	// Gather all the dependencies from the art, platform, and apex boot jars.
 	artModules := gatherApexModulePairDepsWithTag(ctx, platformBootclasspathArtBootJarDepTag)
-	nonUpdatableModules := gatherApexModulePairDepsWithTag(ctx, platformBootclasspathNonUpdatableBootJarDepTag)
-	updatableModules := gatherApexModulePairDepsWithTag(ctx, platformBootclasspathUpdatableBootJarDepTag)
+	platformModules := gatherApexModulePairDepsWithTag(ctx, platformBootclasspathBootJarDepTag)
+	apexModules := gatherApexModulePairDepsWithTag(ctx, platformBootclasspathApexBootJarDepTag)
 
 	// Concatenate them all, in order as they would appear on the bootclasspath.
 	var allModules []android.Module
 	allModules = append(allModules, artModules...)
-	allModules = append(allModules, nonUpdatableModules...)
-	allModules = append(allModules, updatableModules...)
+	allModules = append(allModules, platformModules...)
+	allModules = append(allModules, apexModules...)
 	b.configuredModules = allModules
 
 	// Gather all the fragments dependencies.
@@ -180,8 +180,8 @@
 
 	// Check the configuration of the boot modules.
 	// ART modules are checked by the art-bootclasspath-fragment.
-	b.checkNonUpdatableModules(ctx, nonUpdatableModules)
-	b.checkUpdatableModules(ctx, updatableModules)
+	b.checkPlatformModules(ctx, platformModules)
+	b.checkApexModules(ctx, apexModules)
 
 	b.generateClasspathProtoBuildActions(ctx)
 
@@ -193,7 +193,7 @@
 		return
 	}
 
-	b.generateBootImageBuildActions(ctx, nonUpdatableModules, updatableModules)
+	b.generateBootImageBuildActions(ctx, platformModules, apexModules)
 }
 
 // Generate classpaths.proto config
@@ -209,7 +209,7 @@
 	jars := b.getImageConfig(ctx).modules
 
 	// Include jars from APEXes that don't populate their classpath proto config.
-	remainingJars := dexpreopt.GetGlobalConfig(ctx).UpdatableBootJars
+	remainingJars := dexpreopt.GetGlobalConfig(ctx).ApexBootJars
 	for _, fragment := range b.fragments {
 		info := ctx.OtherModuleProvider(fragment, ClasspathFragmentProtoContentInfoProvider).(ClasspathFragmentProtoContentInfo)
 		if info.ClasspathFragmentProtoGenerated {
@@ -223,9 +223,10 @@
 	return jars
 }
 
-// checkNonUpdatableModules ensures that the non-updatable modules supplied are not part of an
-// updatable module.
-func (b *platformBootclasspathModule) checkNonUpdatableModules(ctx android.ModuleContext, modules []android.Module) {
+// checkPlatformModules ensures that the non-updatable modules supplied are not part of an
+// apex module.
+func (b *platformBootclasspathModule) checkPlatformModules(ctx android.ModuleContext, modules []android.Module) {
+	// TODO(satayev): change this check to only allow core-icu4j, all apex jars should not be here.
 	for _, m := range modules {
 		apexInfo := ctx.OtherModuleProvider(m, android.ApexInfoProvider).(android.ApexInfo)
 		fromUpdatableApex := apexInfo.Updatable
@@ -238,8 +239,8 @@
 	}
 }
 
-// checkUpdatableModules ensures that the updatable modules supplied are not from the platform.
-func (b *platformBootclasspathModule) checkUpdatableModules(ctx android.ModuleContext, modules []android.Module) {
+// checkApexModules ensures that the apex modules supplied are not from the platform.
+func (b *platformBootclasspathModule) checkApexModules(ctx android.ModuleContext, modules []android.Module) {
 	for _, m := range modules {
 		apexInfo := ctx.OtherModuleProvider(m, android.ApexInfoProvider).(android.ApexInfo)
 		fromUpdatableApex := apexInfo.Updatable
@@ -255,12 +256,12 @@
 				//  modules is complete.
 				if !ctx.Config().AlwaysUsePrebuiltSdks() {
 					// error: this jar is part of the platform
-					ctx.ModuleErrorf("module %q from platform is not allowed in the updatable boot jars list", name)
+					ctx.ModuleErrorf("module %q from platform is not allowed in the apex boot jars list", name)
 				}
 			} else {
 				// TODO(b/177892522): Treat this as an error.
 				// Cannot do that at the moment because framework-wifi and framework-tethering are in the
-				// PRODUCT_UPDATABLE_BOOT_JARS but not marked as updatable in AOSP.
+				// PRODUCT_APEX_BOOT_JARS but not marked as updatable in AOSP.
 			}
 		}
 	}
@@ -315,7 +316,7 @@
 
 	// Generate the monolithic stub-flags.csv file.
 	stubFlags := hiddenAPISingletonPaths(ctx).stubFlags
-	buildRuleToGenerateHiddenAPIStubFlagsFile(ctx, "platform-bootclasspath-monolithic-hiddenapi-stub-flags", "monolithic hidden API stub flags", stubFlags, bootDexJarByModule.bootDexJars(), input, monolithicInfo.StubFlagsPaths)
+	buildRuleToGenerateHiddenAPIStubFlagsFile(ctx, "platform-bootclasspath-monolithic-hiddenapi-stub-flags", "monolithic hidden API stub flags", stubFlags, bootDexJarByModule.bootDexJars(), input, monolithicInfo.StubFlagSubsets)
 
 	// Generate the annotation-flags.csv file from all the module annotations.
 	annotationFlags := android.PathForModuleOut(ctx, "hiddenapi-monolithic", "annotation-flags-from-classes.csv")
@@ -328,7 +329,7 @@
 	allAnnotationFlagFiles := android.Paths{annotationFlags}
 	allAnnotationFlagFiles = append(allAnnotationFlagFiles, monolithicInfo.AnnotationFlagsPaths...)
 	allFlags := hiddenAPISingletonPaths(ctx).flags
-	buildRuleToGenerateHiddenApiFlags(ctx, "hiddenAPIFlagsFile", "monolithic hidden API flags", allFlags, stubFlags, allAnnotationFlagFiles, monolithicInfo.FlagsFilesByCategory, monolithicInfo.AllFlagsPaths, android.OptionalPath{})
+	buildRuleToGenerateHiddenApiFlags(ctx, "hiddenAPIFlagsFile", "monolithic hidden API flags", allFlags, stubFlags, allAnnotationFlagFiles, monolithicInfo.FlagsFilesByCategory, monolithicInfo.FlagSubsets, android.OptionalPath{})
 
 	// Generate an intermediate monolithic hiddenapi-metadata.csv file directly from the annotations
 	// in the source code.
@@ -405,7 +406,7 @@
 }
 
 // generateBootImageBuildActions generates ninja rules related to the boot image creation.
-func (b *platformBootclasspathModule) generateBootImageBuildActions(ctx android.ModuleContext, nonUpdatableModules, updatableModules []android.Module) {
+func (b *platformBootclasspathModule) generateBootImageBuildActions(ctx android.ModuleContext, platformModules, apexModules []android.Module) {
 	// Force the GlobalSoongConfig to be created and cached for use by the dex_bootjars
 	// GenerateSingletonBuildActions method as it cannot create it for itself.
 	dexpreopt.GetGlobalSoongConfig(ctx)
@@ -428,17 +429,17 @@
 	// TODO(b/193889859): Remove when the prebuilts have been updated.
 	if !ctx.Config().AlwaysUsePrebuiltSdks() {
 		// Generate the updatable bootclasspath packages rule.
-		generateUpdatableBcpPackagesRule(ctx, imageConfig, updatableModules)
+		generateUpdatableBcpPackagesRule(ctx, imageConfig, apexModules)
 	}
 
-	// Copy non-updatable module dex jars to their predefined locations.
-	nonUpdatableBootDexJarsByModule := extractEncodedDexJarsFromModules(ctx, nonUpdatableModules)
-	copyBootJarsToPredefinedLocations(ctx, nonUpdatableBootDexJarsByModule, imageConfig.dexPathsByModule)
+	// Copy platform module dex jars to their predefined locations.
+	platformBootDexJarsByModule := extractEncodedDexJarsFromModules(ctx, platformModules)
+	copyBootJarsToPredefinedLocations(ctx, platformBootDexJarsByModule, imageConfig.dexPathsByModule)
 
-	// Copy updatable module dex jars to their predefined locations.
-	config := GetUpdatableBootConfig(ctx)
-	updatableBootDexJarsByModule := extractEncodedDexJarsFromModules(ctx, updatableModules)
-	copyBootJarsToPredefinedLocations(ctx, updatableBootDexJarsByModule, config.dexPathsByModule)
+	// Copy apex module dex jars to their predefined locations.
+	config := GetApexBootConfig(ctx)
+	apexBootDexJarsByModule := extractEncodedDexJarsFromModules(ctx, apexModules)
+	copyBootJarsToPredefinedLocations(ctx, apexBootDexJarsByModule, config.dexPathsByModule)
 
 	// Build a profile for the image config and then use that to build the boot image.
 	profile := bootImageProfileRule(ctx, imageConfig)
diff --git a/java/plugin_test.go b/java/plugin_test.go
index c7913d3..dc29b1c 100644
--- a/java/plugin_test.go
+++ b/java/plugin_test.go
@@ -15,7 +15,6 @@
 package java
 
 import (
-	"android/soong/android"
 	"testing"
 )
 
@@ -58,7 +57,7 @@
 		}
 	`)
 
-	buildOS := android.BuildOs.String()
+	buildOS := ctx.Config().BuildOS.String()
 
 	javac := ctx.ModuleForTests("foo", "android_common").Rule("javac")
 	turbine := ctx.ModuleForTests("foo", "android_common").MaybeRule("turbine")
@@ -98,7 +97,7 @@
 		}
 	`)
 
-	buildOS := android.BuildOs.String()
+	buildOS := ctx.Config().BuildOS.String()
 
 	javac := ctx.ModuleForTests("foo", "android_common").Rule("javac")
 	turbine := ctx.ModuleForTests("foo", "android_common").MaybeRule("turbine")
diff --git a/java/robolectric.go b/java/robolectric.go
index a37a118..a0c9c7f 100644
--- a/java/robolectric.go
+++ b/java/robolectric.go
@@ -83,6 +83,9 @@
 
 	testConfig android.Path
 	data       android.Paths
+
+	forceOSType   android.OsType
+	forceArchType android.ArchType
 }
 
 func (r *robolectricTest) TestSuites() []string {
@@ -115,6 +118,9 @@
 }
 
 func (r *robolectricTest) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+	r.forceOSType = ctx.Config().BuildOS
+	r.forceArchType = ctx.Config().BuildArch
+
 	r.testConfig = tradefed.AutoGenRobolectricTestConfig(ctx, r.testProperties.Test_config,
 		r.testProperties.Test_config_template, r.testProperties.Test_suites,
 		r.testProperties.Auto_gen_config)
@@ -345,7 +351,7 @@
 func (r *robolectricTest) InstallBypassMake() bool  { return true }
 func (r *robolectricTest) InstallInTestcases() bool { return true }
 func (r *robolectricTest) InstallForceOS() (*android.OsType, *android.ArchType) {
-	return &android.BuildOs, &android.BuildArch
+	return &r.forceOSType, &r.forceArchType
 }
 
 func robolectricRuntimesFactory() android.Module {
@@ -366,6 +372,9 @@
 	props robolectricRuntimesProperties
 
 	runtimes []android.InstallPath
+
+	forceOSType   android.OsType
+	forceArchType android.ArchType
 }
 
 func (r *robolectricRuntimes) TestSuites() []string {
@@ -385,6 +394,9 @@
 		return
 	}
 
+	r.forceOSType = ctx.Config().BuildOS
+	r.forceArchType = ctx.Config().BuildArch
+
 	files := android.PathsForModuleSrc(ctx, r.props.Jars)
 
 	androidAllDir := android.PathForModuleInstall(ctx, "android-all")
@@ -417,5 +429,5 @@
 func (r *robolectricRuntimes) InstallBypassMake() bool  { return true }
 func (r *robolectricRuntimes) InstallInTestcases() bool { return true }
 func (r *robolectricRuntimes) InstallForceOS() (*android.OsType, *android.ArchType) {
-	return &android.BuildOs, &android.BuildArch
+	return &r.forceOSType, &r.forceArchType
 }
diff --git a/java/sdk_library.go b/java/sdk_library.go
index d1b4a47..c50e077 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -419,7 +419,7 @@
 	// local files that are used within user customized droiddoc options.
 	Droiddoc_option_files []string
 
-	// additional droiddoc options
+	// additional droiddoc options.
 	// Available variables for substitution:
 	//
 	//  $(location <label>): the path to the droiddoc_option_files with name <label>
@@ -981,13 +981,15 @@
 }
 
 // to satisfy SdkLibraryComponentDependency
-func (e *EmbeddableSdkLibraryComponent) OptionalImplicitSdkLibrary() *string {
-	return e.sdkLibraryComponentProperties.SdkLibraryToImplicitlyTrack
-}
-
-// to satisfy SdkLibraryComponentDependency
 func (e *EmbeddableSdkLibraryComponent) OptionalSdkLibraryImplementation() *string {
-	// Currently implementation library name is the same as the SDK library name.
+	// For shared libraries, this is the same as the SDK library name. If a Java library or app
+	// depends on a component library (e.g. a stub library) it still needs to know the name of the
+	// run-time library and the corresponding module that provides the implementation. This name is
+	// passed to manifest_fixer (to be added to AndroidManifest.xml) and added to CLC (to be used
+	// in dexpreopt).
+	//
+	// For non-shared SDK (component or not) libraries this returns `nil`, as they are not
+	// <uses-library> and should not be added to the manifest or to CLC.
 	return e.sdkLibraryComponentProperties.SdkLibraryToImplicitlyTrack
 }
 
@@ -999,12 +1001,6 @@
 	// SdkLibraryName returns the name of the java_sdk_library/_import module.
 	SdkLibraryName() *string
 
-	// The optional name of the sdk library that should be implicitly added to the
-	// AndroidManifest of an app that contains code which references the sdk library.
-	//
-	// Returns the name of the optional implicit SDK library or nil, if there isn't one.
-	OptionalImplicitSdkLibrary() *string
-
 	// The name of the implementation library for the optional SDK library or nil, if there isn't one.
 	OptionalSdkLibraryImplementation() *string
 }
diff --git a/java/sdk_test.go b/java/sdk_test.go
index bb595a5..6d62130 100644
--- a/java/sdk_test.go
+++ b/java/sdk_test.go
@@ -255,9 +255,11 @@
 				` + testcase.properties + `
 			}`
 
-			variant := "android_common"
-			if testcase.host == android.Host {
-				variant = android.BuildOs.String() + "_common"
+			variant := func(result *android.TestResult) string {
+				if testcase.host == android.Host {
+					return result.Config.BuildOS.String() + "_common"
+				}
+				return "android_common"
 			}
 
 			convertModulesToPaths := func(cp []string) []string {
@@ -312,7 +314,7 @@
 			}
 
 			checkClasspath := func(t *testing.T, result *android.TestResult, isJava8 bool) {
-				foo := result.ModuleForTests("foo", variant)
+				foo := result.ModuleForTests("foo", variant(result))
 				javac := foo.Rule("javac")
 				var deps []string
 
@@ -376,7 +378,7 @@
 				checkClasspath(t, result, true /* isJava8 */)
 
 				if testcase.host != android.Host {
-					aidl := result.ModuleForTests("foo", variant).Rule("aidl")
+					aidl := result.ModuleForTests("foo", variant(result)).Rule("aidl")
 
 					android.AssertStringDoesContain(t, "aidl command", aidl.RuleParams.Command, testcase.aidl+" -I.")
 				}
@@ -389,7 +391,7 @@
 				checkClasspath(t, result, false /* isJava8 */)
 
 				if testcase.host != android.Host {
-					aidl := result.ModuleForTests("foo", variant).Rule("aidl")
+					aidl := result.ModuleForTests("foo", variant(result)).Rule("aidl")
 
 					android.AssertStringDoesContain(t, "aidl command", aidl.RuleParams.Command, testcase.aidl+" -I.")
 				}
diff --git a/java/systemserver_classpath_fragment.go b/java/systemserver_classpath_fragment.go
index 28a5a2c..6c2a5b5 100644
--- a/java/systemserver_classpath_fragment.go
+++ b/java/systemserver_classpath_fragment.go
@@ -106,12 +106,8 @@
 func (s *SystemServerClasspathModule) configuredJars(ctx android.ModuleContext) android.ConfiguredJarList {
 	global := dexpreopt.GetGlobalConfig(ctx)
 
-	possibleUpdatableModules := gatherPossibleUpdatableModuleNamesAndStems(ctx, s.properties.Contents, systemServerClasspathFragmentContentDepTag)
-
-	// Only create configs for updatable boot jars. Non-updatable system server jars must be part of the
-	// platform_systemserverclasspath's classpath proto config to guarantee that they come before any
-	// updatable jars at runtime.
-	return global.UpdatableSystemServerJars.Filter(possibleUpdatableModules)
+	possibleUpdatableModules := gatherPossibleApexModuleNamesAndStems(ctx, s.properties.Contents, systemServerClasspathFragmentContentDepTag)
+	return global.ApexSystemServerJars.Filter(possibleUpdatableModules)
 }
 
 type systemServerClasspathFragmentContentDependencyTag struct {
diff --git a/java/testing.go b/java/testing.go
index e2ff5cd..8860b45 100644
--- a/java/testing.go
+++ b/java/testing.go
@@ -214,15 +214,15 @@
 	)
 }
 
-// FixtureConfigureUpdatableBootJars configures the updatable boot jars in both the
+// FixtureConfigureApexBootJars configures the apex boot jars in both the
 // dexpreopt.GlobalConfig and Config.productVariables structs. As a side effect that enables
 // dexpreopt.
-func FixtureConfigureUpdatableBootJars(bootJars ...string) android.FixturePreparer {
+func FixtureConfigureApexBootJars(bootJars ...string) android.FixturePreparer {
 	return android.GroupFixturePreparers(
 		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
-			variables.UpdatableBootJars = android.CreateTestConfiguredJarList(bootJars)
+			variables.ApexBootJars = android.CreateTestConfiguredJarList(bootJars)
 		}),
-		dexpreopt.FixtureSetUpdatableBootJars(bootJars...),
+		dexpreopt.FixtureSetApexBootJars(bootJars...),
 
 		// Add a fake dex2oatd module.
 		dexpreopt.PrepareForTestWithFakeDex2oatd,
diff --git a/mk2rbc/Android.bp b/mk2rbc/Android.bp
new file mode 100644
index 0000000..3ea3f7f
--- /dev/null
+++ b/mk2rbc/Android.bp
@@ -0,0 +1,39 @@
+//
+// Copyright (C) 2021 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.
+
+blueprint_go_binary {
+    name: "mk2rbc",
+    srcs: ["cmd/mk2rbc.go"],
+    deps: [
+        "mk2rbc-lib",
+        "androidmk-parser",
+    ],
+}
+
+bootstrap_go_package {
+    name: "mk2rbc-lib",
+    pkgPath: "android/soong/mk2rbc",
+    srcs: [
+        "android_products.go",
+        "config_variables.go",
+        "expr.go",
+        "mk2rbc.go",
+        "node.go",
+        "soong_variables.go",
+        "types.go",
+        "variable.go",
+    ],
+    deps: ["androidmk-parser"],
+}
diff --git a/mk2rbc/TODO b/mk2rbc/TODO
new file mode 100644
index 0000000..731deb6
--- /dev/null
+++ b/mk2rbc/TODO
@@ -0,0 +1,14 @@
+* Checking filter/filter-out results is incorrect if pattern contains '%'
+* Need heuristics to recognize that a variable is local. Propose to use lowercase.
+* Need heuristics for the local variable type. Propose '_list' suffix
+* Internal source tree has variables in the inherit-product macro argument. Handle it
+* Enumerate all environment variables that configuration files use.
+* Break mk2rbc.go into multiple files.
+* If variable's type is not yet known, try to divine it from the value assigned to it
+  (it may be a variable of the known type, or a function result)
+* ifneq (,$(VAR)) should translate to
+    if getattr(<>, "VAR", <default>):
+* Launcher file needs to have same suffix as the rest of the generated files
+* Implement $(shell) function
+* Write execution tests
+* Review all TODOs in mk2rbc.go
\ No newline at end of file
diff --git a/mk2rbc/cmd/mk2rbc.go b/mk2rbc/cmd/mk2rbc.go
new file mode 100644
index 0000000..72525c4
--- /dev/null
+++ b/mk2rbc/cmd/mk2rbc.go
@@ -0,0 +1,547 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+// The application to convert product configuration makefiles to Starlark.
+// Converts either given list of files (and optionally the dependent files
+// of the same kind), or all all product configuration makefiles in the
+// given source tree.
+// Previous version of a converted file can be backed up.
+// Optionally prints detailed statistics at the end.
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"regexp"
+	"runtime/debug"
+	"runtime/pprof"
+	"sort"
+	"strings"
+	"time"
+
+	"android/soong/androidmk/parser"
+	"android/soong/mk2rbc"
+)
+
+var (
+	rootDir = flag.String("root", ".", "the value of // for load paths")
+	// TODO(asmundak): remove this option once there is a consensus on suffix
+	suffix   = flag.String("suffix", ".rbc", "generated files' suffix")
+	dryRun   = flag.Bool("dry_run", false, "dry run")
+	recurse  = flag.Bool("convert_dependents", false, "convert all dependent files")
+	mode     = flag.String("mode", "", `"backup" to back up existing files, "write" to overwrite them`)
+	warn     = flag.Bool("warnings", false, "warn about partially failed conversions")
+	verbose  = flag.Bool("v", false, "print summary")
+	errstat  = flag.Bool("error_stat", false, "print error statistics")
+	traceVar = flag.String("trace", "", "comma-separated list of variables to trace")
+	// TODO(asmundak): this option is for debugging
+	allInSource           = flag.Bool("all", false, "convert all product config makefiles in the tree under //")
+	outputTop             = flag.String("outdir", "", "write output files into this directory hierarchy")
+	launcher              = flag.String("launcher", "", "generated launcher path. If set, the non-flag argument is _product_name_")
+	printProductConfigMap = flag.Bool("print_product_config_map", false, "print product config map and exit")
+	cpuProfile            = flag.String("cpu_profile", "", "write cpu profile to file")
+	traceCalls            = flag.Bool("trace_calls", false, "trace function calls")
+)
+
+func init() {
+	// Poor man's flag aliasing: works, but the usage string is ugly and
+	// both flag and its alias can be present on the command line
+	flagAlias := func(target string, alias string) {
+		if f := flag.Lookup(target); f != nil {
+			flag.Var(f.Value, alias, "alias for --"+f.Name)
+			return
+		}
+		quit("cannot alias unknown flag " + target)
+	}
+	flagAlias("suffix", "s")
+	flagAlias("root", "d")
+	flagAlias("dry_run", "n")
+	flagAlias("convert_dependents", "r")
+	flagAlias("warnings", "w")
+	flagAlias("error_stat", "e")
+}
+
+var backupSuffix string
+var tracedVariables []string
+var errorLogger = errorsByType{data: make(map[string]datum)}
+var makefileFinder = &LinuxMakefileFinder{}
+
+func main() {
+	flag.Usage = func() {
+		cmd := filepath.Base(os.Args[0])
+		fmt.Fprintf(flag.CommandLine.Output(),
+			"Usage: %[1]s flags file...\n"+
+				"or:    %[1]s flags --launcher=PATH PRODUCT\n", cmd)
+		flag.PrintDefaults()
+	}
+	flag.Parse()
+
+	// Delouse
+	if *suffix == ".mk" {
+		quit("cannot use .mk as generated file suffix")
+	}
+	if *suffix == "" {
+		quit("suffix cannot be empty")
+	}
+	if *outputTop != "" {
+		if err := os.MkdirAll(*outputTop, os.ModeDir+os.ModePerm); err != nil {
+			quit(err)
+		}
+		s, err := filepath.Abs(*outputTop)
+		if err != nil {
+			quit(err)
+		}
+		*outputTop = s
+	}
+	if *allInSource && len(flag.Args()) > 0 {
+		quit("file list cannot be specified when -all is present")
+	}
+	if *allInSource && *launcher != "" {
+		quit("--all and --launcher are mutually exclusive")
+	}
+
+	// Flag-driven adjustments
+	if (*suffix)[0] != '.' {
+		*suffix = "." + *suffix
+	}
+	if *mode == "backup" {
+		backupSuffix = time.Now().Format("20060102150405")
+	}
+	if *traceVar != "" {
+		tracedVariables = strings.Split(*traceVar, ",")
+	}
+
+	if *cpuProfile != "" {
+		f, err := os.Create(*cpuProfile)
+		if err != nil {
+			quit(err)
+		}
+		pprof.StartCPUProfile(f)
+		defer pprof.StopCPUProfile()
+	}
+	// Find out global variables
+	getConfigVariables()
+	getSoongVariables()
+
+	if *printProductConfigMap {
+		productConfigMap := buildProductConfigMap()
+		var products []string
+		for p := range productConfigMap {
+			products = append(products, p)
+		}
+		sort.Strings(products)
+		for _, p := range products {
+			fmt.Println(p, productConfigMap[p])
+		}
+		os.Exit(0)
+	}
+
+	// Convert!
+	ok := true
+	if *launcher != "" {
+		if len(flag.Args()) != 1 {
+			quit(fmt.Errorf("a launcher can be generated only for a single product"))
+		}
+		product := flag.Args()[0]
+		productConfigMap := buildProductConfigMap()
+		path, found := productConfigMap[product]
+		if !found {
+			quit(fmt.Errorf("cannot generate configuration launcher for %s, it is not a known product",
+				product))
+		}
+		ok = convertOne(path) && ok
+		err := writeGenerated(*launcher, mk2rbc.Launcher(outputFilePath(path), mk2rbc.MakePath2ModuleName(path)))
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "%s:%s", path, err)
+			ok = false
+		}
+
+	} else {
+		files := flag.Args()
+		if *allInSource {
+			productConfigMap := buildProductConfigMap()
+			for _, path := range productConfigMap {
+				files = append(files, path)
+			}
+		}
+		for _, mkFile := range files {
+			ok = convertOne(mkFile) && ok
+		}
+	}
+
+	printStats()
+	if *errstat {
+		errorLogger.printStatistics()
+	}
+	if !ok {
+		os.Exit(1)
+	}
+}
+
+func quit(s interface{}) {
+	fmt.Fprintln(os.Stderr, s)
+	os.Exit(2)
+}
+
+func buildProductConfigMap() map[string]string {
+	const androidProductsMk = "AndroidProducts.mk"
+	// Build the list of AndroidProducts.mk files: it's
+	// build/make/target/product/AndroidProducts.mk plus
+	// device/**/AndroidProducts.mk
+	targetAndroidProductsFile := filepath.Join(*rootDir, "build", "make", "target", "product", androidProductsMk)
+	if _, err := os.Stat(targetAndroidProductsFile); err != nil {
+		fmt.Fprintf(os.Stderr, "%s: %s\n(hint: %s is not a source tree root)\n",
+			targetAndroidProductsFile, err, *rootDir)
+	}
+	productConfigMap := make(map[string]string)
+	if err := mk2rbc.UpdateProductConfigMap(productConfigMap, targetAndroidProductsFile); err != nil {
+		fmt.Fprintf(os.Stderr, "%s: %s\n", targetAndroidProductsFile, err)
+	}
+	_ = filepath.Walk(filepath.Join(*rootDir, "device"),
+		func(path string, info os.FileInfo, err error) error {
+			if info.IsDir() || filepath.Base(path) != androidProductsMk {
+				return nil
+			}
+			if err2 := mk2rbc.UpdateProductConfigMap(productConfigMap, path); err2 != nil {
+				fmt.Fprintf(os.Stderr, "%s: %s\n", path, err)
+				// Keep going, we want to find all such errors in a single run
+			}
+			return nil
+		})
+	return productConfigMap
+}
+
+func getConfigVariables() {
+	path := filepath.Join(*rootDir, "build", "make", "core", "product.mk")
+	if err := mk2rbc.FindConfigVariables(path, mk2rbc.KnownVariables); err != nil {
+		quit(fmt.Errorf("%s\n(check --root[=%s], it should point to the source root)",
+			err, *rootDir))
+	}
+}
+
+// Implements mkparser.Scope, to be used by mkparser.Value.Value()
+type fileNameScope struct {
+	mk2rbc.ScopeBase
+}
+
+func (s fileNameScope) Get(name string) string {
+	if name != "BUILD_SYSTEM" {
+		return fmt.Sprintf("$(%s)", name)
+	}
+	return filepath.Join(*rootDir, "build", "make", "core")
+}
+
+func getSoongVariables() {
+	path := filepath.Join(*rootDir, "build", "make", "core", "soong_config.mk")
+	err := mk2rbc.FindSoongVariables(path, fileNameScope{}, mk2rbc.KnownVariables)
+	if err != nil {
+		quit(err)
+	}
+}
+
+var converted = make(map[string]*mk2rbc.StarlarkScript)
+
+//goland:noinspection RegExpRepeatedSpace
+var cpNormalizer = regexp.MustCompile(
+	"#  Copyright \\(C\\) 20.. The Android Open Source Project")
+
+const cpNormalizedCopyright = "#  Copyright (C) 20xx The Android Open Source Project"
+const copyright = `#
+#  Copyright (C) 20xx 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.
+#
+`
+
+// Convert a single file.
+// Write the result either to the same directory, to the same place in
+// the output hierarchy, or to the stdout.
+// Optionally, recursively convert the files this one includes by
+// $(call inherit-product) or an include statement.
+func convertOne(mkFile string) (ok bool) {
+	if v, ok := converted[mkFile]; ok {
+		return v != nil
+	}
+	converted[mkFile] = nil
+	defer func() {
+		if r := recover(); r != nil {
+			ok = false
+			fmt.Fprintf(os.Stderr, "%s: panic while converting: %s\n%s\n", mkFile, r, debug.Stack())
+		}
+	}()
+
+	mk2starRequest := mk2rbc.Request{
+		MkFile:             mkFile,
+		Reader:             nil,
+		RootDir:            *rootDir,
+		OutputDir:          *outputTop,
+		OutputSuffix:       *suffix,
+		TracedVariables:    tracedVariables,
+		TraceCalls:         *traceCalls,
+		WarnPartialSuccess: *warn,
+		SourceFS:           os.DirFS(*rootDir),
+		MakefileFinder:     makefileFinder,
+	}
+	if *errstat {
+		mk2starRequest.ErrorLogger = errorLogger
+	}
+	ss, err := mk2rbc.Convert(mk2starRequest)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, mkFile, ": ", err)
+		return false
+	}
+	script := ss.String()
+	outputPath := outputFilePath(mkFile)
+
+	if *dryRun {
+		fmt.Printf("==== %s ====\n", outputPath)
+		// Print generated script after removing the copyright header
+		outText := cpNormalizer.ReplaceAllString(script, cpNormalizedCopyright)
+		fmt.Println(strings.TrimPrefix(outText, copyright))
+	} else {
+		if err := maybeBackup(outputPath); err != nil {
+			fmt.Fprintln(os.Stderr, err)
+			return false
+		}
+		if err := writeGenerated(outputPath, script); err != nil {
+			fmt.Fprintln(os.Stderr, err)
+			return false
+		}
+	}
+	ok = true
+	if *recurse {
+		for _, sub := range ss.SubConfigFiles() {
+			// File may be absent if it is a conditional load
+			if _, err := os.Stat(sub); os.IsNotExist(err) {
+				continue
+			}
+			ok = convertOne(sub) && ok
+		}
+	}
+	converted[mkFile] = ss
+	return ok
+}
+
+// Optionally saves the previous version of the generated file
+func maybeBackup(filename string) error {
+	stat, err := os.Stat(filename)
+	if os.IsNotExist(err) {
+		return nil
+	}
+	if !stat.Mode().IsRegular() {
+		return fmt.Errorf("%s exists and is not a regular file", filename)
+	}
+	switch *mode {
+	case "backup":
+		return os.Rename(filename, filename+backupSuffix)
+	case "write":
+		return os.Remove(filename)
+	default:
+		return fmt.Errorf("%s already exists, use --mode option", filename)
+	}
+}
+
+func outputFilePath(mkFile string) string {
+	path := strings.TrimSuffix(mkFile, filepath.Ext(mkFile)) + *suffix
+	if *outputTop != "" {
+		path = filepath.Join(*outputTop, path)
+	}
+	return path
+}
+
+func writeGenerated(path string, contents string) error {
+	if err := os.MkdirAll(filepath.Dir(path), os.ModeDir|os.ModePerm); err != nil {
+		return err
+	}
+	if err := ioutil.WriteFile(path, []byte(contents), 0644); err != nil {
+		return err
+	}
+	return nil
+}
+
+func printStats() {
+	var sortedFiles []string
+	if !*warn && !*verbose {
+		return
+	}
+	for p := range converted {
+		sortedFiles = append(sortedFiles, p)
+	}
+	sort.Strings(sortedFiles)
+
+	nOk, nPartial, nFailed := 0, 0, 0
+	for _, f := range sortedFiles {
+		if converted[f] == nil {
+			nFailed++
+		} else if converted[f].HasErrors() {
+			nPartial++
+		} else {
+			nOk++
+		}
+	}
+	if *warn {
+		if nPartial > 0 {
+			fmt.Fprintf(os.Stderr, "Conversion was partially successful for:\n")
+			for _, f := range sortedFiles {
+				if ss := converted[f]; ss != nil && ss.HasErrors() {
+					fmt.Fprintln(os.Stderr, "  ", f)
+				}
+			}
+		}
+
+		if nFailed > 0 {
+			fmt.Fprintf(os.Stderr, "Conversion failed for files:\n")
+			for _, f := range sortedFiles {
+				if converted[f] == nil {
+					fmt.Fprintln(os.Stderr, "  ", f)
+				}
+			}
+		}
+	}
+	if *verbose {
+		fmt.Fprintf(os.Stderr, "%-16s%5d\n", "Succeeded:", nOk)
+		fmt.Fprintf(os.Stderr, "%-16s%5d\n", "Partial:", nPartial)
+		fmt.Fprintf(os.Stderr, "%-16s%5d\n", "Failed:", nFailed)
+	}
+}
+
+type datum struct {
+	count          int
+	formattingArgs []string
+}
+
+type errorsByType struct {
+	data map[string]datum
+}
+
+func (ebt errorsByType) NewError(message string, node parser.Node, args ...interface{}) {
+	v, exists := ebt.data[message]
+	if exists {
+		v.count++
+	} else {
+		v = datum{1, nil}
+	}
+	if strings.Contains(message, "%s") {
+		var newArg1 string
+		if len(args) == 0 {
+			panic(fmt.Errorf(`%s has %%s but args are missing`, message))
+		}
+		newArg1 = fmt.Sprint(args[0])
+		if message == "unsupported line" {
+			newArg1 = node.Dump()
+		} else if message == "unsupported directive %s" {
+			if newArg1 == "include" || newArg1 == "-include" {
+				newArg1 = node.Dump()
+			}
+		}
+		v.formattingArgs = append(v.formattingArgs, newArg1)
+	}
+	ebt.data[message] = v
+}
+
+func (ebt errorsByType) printStatistics() {
+	if len(ebt.data) > 0 {
+		fmt.Fprintln(os.Stderr, "Error counts:")
+	}
+	for message, data := range ebt.data {
+		if len(data.formattingArgs) == 0 {
+			fmt.Fprintf(os.Stderr, "%4d %s\n", data.count, message)
+			continue
+		}
+		itemsByFreq, count := stringsWithFreq(data.formattingArgs, 30)
+		fmt.Fprintf(os.Stderr, "%4d %s [%d unique items]:\n", data.count, message, count)
+		fmt.Fprintln(os.Stderr, "      ", itemsByFreq)
+	}
+}
+
+func stringsWithFreq(items []string, topN int) (string, int) {
+	freq := make(map[string]int)
+	for _, item := range items {
+		freq[strings.TrimPrefix(strings.TrimSuffix(item, "]"), "[")]++
+	}
+	var sorted []string
+	for item := range freq {
+		sorted = append(sorted, item)
+	}
+	sort.Slice(sorted, func(i int, j int) bool {
+		return freq[sorted[i]] > freq[sorted[j]]
+	})
+	sep := ""
+	res := ""
+	for i, item := range sorted {
+		if i >= topN {
+			res += " ..."
+			break
+		}
+		count := freq[item]
+		if count > 1 {
+			res += fmt.Sprintf("%s%s(%d)", sep, item, count)
+		} else {
+			res += fmt.Sprintf("%s%s", sep, item)
+		}
+		sep = ", "
+	}
+	return res, len(sorted)
+}
+
+type LinuxMakefileFinder struct {
+	cachedRoot      string
+	cachedMakefiles []string
+}
+
+func (l *LinuxMakefileFinder) Find(root string) []string {
+	if l.cachedMakefiles != nil && l.cachedRoot == root {
+		return l.cachedMakefiles
+	}
+	l.cachedRoot = root
+	l.cachedMakefiles = make([]string, 0)
+
+	// Return all *.mk files but not in hidden directories.
+
+	// NOTE(asmundak): as it turns out, even the WalkDir (which is an _optimized_ directory tree walker)
+	// is about twice slower than running `find` command (14s vs 6s on the internal Android source tree).
+	common_args := []string{"!", "-type", "d", "-name", "*.mk", "!", "-path", "*/.*/*"}
+	if root != "" {
+		common_args = append([]string{root}, common_args...)
+	}
+	cmd := exec.Command("/usr/bin/find", common_args...)
+	stdout, err := cmd.StdoutPipe()
+	if err == nil {
+		err = cmd.Start()
+	}
+	if err != nil {
+		panic(fmt.Errorf("cannot get the output from %s: %s", cmd, err))
+	}
+	scanner := bufio.NewScanner(stdout)
+	for scanner.Scan() {
+		l.cachedMakefiles = append(l.cachedMakefiles, strings.TrimPrefix(scanner.Text(), "./"))
+	}
+	stdout.Close()
+	return l.cachedMakefiles
+}
diff --git a/mk2rbc/expr.go b/mk2rbc/expr.go
new file mode 100644
index 0000000..0bb8b95
--- /dev/null
+++ b/mk2rbc/expr.go
@@ -0,0 +1,591 @@
+// Copyright 2021 Google LLC
+//
+// 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 mk2rbc
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	mkparser "android/soong/androidmk/parser"
+)
+
+// Represents an expression in the Starlark code. An expression has
+// a type, and it can be evaluated.
+type starlarkExpr interface {
+	starlarkNode
+	typ() starlarkType
+	// Try to substitute variable values. Return substitution result
+	// and whether it is the same as the original expression.
+	eval(valueMap map[string]starlarkExpr) (res starlarkExpr, same bool)
+	// Emit the code to copy the expression, otherwise we will end up
+	// with source and target pointing to the same list.
+	emitListVarCopy(gctx *generationContext)
+}
+
+func maybeString(expr starlarkExpr) (string, bool) {
+	if x, ok := expr.(*stringLiteralExpr); ok {
+		return x.literal, true
+	}
+	return "", false
+}
+
+type stringLiteralExpr struct {
+	literal string
+}
+
+func (s *stringLiteralExpr) eval(_ map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	res = s
+	same = true
+	return
+}
+
+func (s *stringLiteralExpr) emit(gctx *generationContext) {
+	gctx.writef("%q", s.literal)
+}
+
+func (_ *stringLiteralExpr) typ() starlarkType {
+	return starlarkTypeString
+}
+
+func (s *stringLiteralExpr) emitListVarCopy(gctx *generationContext) {
+	s.emit(gctx)
+}
+
+// Integer literal
+type intLiteralExpr struct {
+	literal int
+}
+
+func (s *intLiteralExpr) eval(_ map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	res = s
+	same = true
+	return
+}
+
+func (s *intLiteralExpr) emit(gctx *generationContext) {
+	gctx.writef("%d", s.literal)
+}
+
+func (_ *intLiteralExpr) typ() starlarkType {
+	return starlarkTypeInt
+}
+
+func (s *intLiteralExpr) emitListVarCopy(gctx *generationContext) {
+	s.emit(gctx)
+}
+
+// interpolateExpr represents Starlark's interpolation operator <string> % list
+// we break <string> into a list of chunks, i.e., "first%second%third" % (X, Y)
+// will have chunks = ["first", "second", "third"] and args = [X, Y]
+type interpolateExpr struct {
+	chunks []string // string chunks, separated by '%'
+	args   []starlarkExpr
+}
+
+func (xi *interpolateExpr) emit(gctx *generationContext) {
+	if len(xi.chunks) != len(xi.args)+1 {
+		panic(fmt.Errorf("malformed interpolateExpr: #chunks(%d) != #args(%d)+1",
+			len(xi.chunks), len(xi.args)))
+	}
+	// Generate format as join of chunks, but first escape '%' in them
+	format := strings.ReplaceAll(xi.chunks[0], "%", "%%")
+	for _, chunk := range xi.chunks[1:] {
+		format += "%s" + strings.ReplaceAll(chunk, "%", "%%")
+	}
+	gctx.writef("%q %% ", format)
+	emitarg := func(arg starlarkExpr) {
+		if arg.typ() == starlarkTypeList {
+			gctx.write(`" ".join(`)
+			arg.emit(gctx)
+			gctx.write(`)`)
+		} else {
+			arg.emit(gctx)
+		}
+	}
+	if len(xi.args) == 1 {
+		emitarg(xi.args[0])
+	} else {
+		sep := "("
+		for _, arg := range xi.args {
+			gctx.write(sep)
+			emitarg(arg)
+			sep = ", "
+		}
+		gctx.write(")")
+	}
+}
+
+func (xi *interpolateExpr) eval(valueMap map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	same = true
+	newChunks := []string{xi.chunks[0]}
+	var newArgs []starlarkExpr
+	for i, arg := range xi.args {
+		newArg, sameArg := arg.eval(valueMap)
+		same = same && sameArg
+		switch x := newArg.(type) {
+		case *stringLiteralExpr:
+			newChunks[len(newChunks)-1] += x.literal + xi.chunks[i+1]
+			same = false
+			continue
+		case *intLiteralExpr:
+			newChunks[len(newChunks)-1] += strconv.Itoa(x.literal) + xi.chunks[i+1]
+			same = false
+			continue
+		default:
+			newChunks = append(newChunks, xi.chunks[i+1])
+			newArgs = append(newArgs, newArg)
+		}
+	}
+	if same {
+		res = xi
+	} else if len(newChunks) == 1 {
+		res = &stringLiteralExpr{newChunks[0]}
+	} else {
+		res = &interpolateExpr{chunks: newChunks, args: newArgs}
+	}
+	return
+}
+
+func (_ *interpolateExpr) typ() starlarkType {
+	return starlarkTypeString
+}
+
+func (xi *interpolateExpr) emitListVarCopy(gctx *generationContext) {
+	xi.emit(gctx)
+}
+
+type variableRefExpr struct {
+	ref       variable
+	isDefined bool
+}
+
+func (v *variableRefExpr) eval(map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	predefined, ok := v.ref.(*predefinedVariable)
+	if same = !ok; same {
+		res = v
+	} else {
+		res = predefined.value
+	}
+	return
+}
+
+func (v *variableRefExpr) emit(gctx *generationContext) {
+	v.ref.emitGet(gctx, v.isDefined)
+}
+
+func (v *variableRefExpr) typ() starlarkType {
+	return v.ref.valueType()
+}
+
+func (v *variableRefExpr) emitListVarCopy(gctx *generationContext) {
+	v.emit(gctx)
+	if v.typ() == starlarkTypeList {
+		gctx.write("[:]") // this will copy the list
+	}
+}
+
+type notExpr struct {
+	expr starlarkExpr
+}
+
+func (n *notExpr) eval(valueMap map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	if x, same := n.expr.eval(valueMap); same {
+		res = n
+	} else {
+		res = &notExpr{expr: x}
+	}
+	return
+}
+
+func (n *notExpr) emit(ctx *generationContext) {
+	ctx.write("not ")
+	n.expr.emit(ctx)
+}
+
+func (_ *notExpr) typ() starlarkType {
+	return starlarkTypeBool
+}
+
+func (n *notExpr) emitListVarCopy(gctx *generationContext) {
+	n.emit(gctx)
+}
+
+type eqExpr struct {
+	left, right starlarkExpr
+	isEq        bool // if false, it's !=
+}
+
+func (eq *eqExpr) eval(valueMap map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	xLeft, sameLeft := eq.left.eval(valueMap)
+	xRight, sameRight := eq.right.eval(valueMap)
+	if same = sameLeft && sameRight; same {
+		res = eq
+	} else {
+		res = &eqExpr{left: xLeft, right: xRight, isEq: eq.isEq}
+	}
+	return
+}
+
+func (eq *eqExpr) emit(gctx *generationContext) {
+	emitSimple := func(expr starlarkExpr) {
+		if eq.isEq {
+			gctx.write("not ")
+		}
+		expr.emit(gctx)
+	}
+	// Are we checking that a variable is empty?
+	if isEmptyString(eq.left) {
+		emitSimple(eq.right)
+		return
+	} else if isEmptyString(eq.right) {
+		emitSimple(eq.left)
+		return
+
+	}
+	// General case
+	eq.left.emit(gctx)
+	if eq.isEq {
+		gctx.write(" == ")
+	} else {
+		gctx.write(" != ")
+	}
+	eq.right.emit(gctx)
+}
+
+func (_ *eqExpr) typ() starlarkType {
+	return starlarkTypeBool
+}
+
+func (eq *eqExpr) emitListVarCopy(gctx *generationContext) {
+	eq.emit(gctx)
+}
+
+// variableDefinedExpr corresponds to Make's ifdef VAR
+type variableDefinedExpr struct {
+	v variable
+}
+
+func (v *variableDefinedExpr) eval(_ map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	res = v
+	same = true
+	return
+
+}
+
+func (v *variableDefinedExpr) emit(gctx *generationContext) {
+	if v.v != nil {
+		v.v.emitDefined(gctx)
+		return
+	}
+	gctx.writef("%s(%q)", cfnWarning, "TODO(VAR)")
+}
+
+func (_ *variableDefinedExpr) typ() starlarkType {
+	return starlarkTypeBool
+}
+
+func (v *variableDefinedExpr) emitListVarCopy(gctx *generationContext) {
+	v.emit(gctx)
+}
+
+type listExpr struct {
+	items []starlarkExpr
+}
+
+func (l *listExpr) eval(valueMap map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	newItems := make([]starlarkExpr, len(l.items))
+	same = true
+	for i, item := range l.items {
+		var sameItem bool
+		newItems[i], sameItem = item.eval(valueMap)
+		same = same && sameItem
+	}
+	if same {
+		res = l
+	} else {
+		res = &listExpr{newItems}
+	}
+	return
+}
+
+func (l *listExpr) emit(gctx *generationContext) {
+	if !gctx.inAssignment || len(l.items) < 2 {
+		gctx.write("[")
+		sep := ""
+		for _, item := range l.items {
+			gctx.write(sep)
+			item.emit(gctx)
+			sep = ", "
+		}
+		gctx.write("]")
+		return
+	}
+
+	gctx.write("[")
+	gctx.indentLevel += 2
+
+	for _, item := range l.items {
+		gctx.newLine()
+		item.emit(gctx)
+		gctx.write(",")
+	}
+	gctx.indentLevel -= 2
+	gctx.newLine()
+	gctx.write("]")
+}
+
+func (_ *listExpr) typ() starlarkType {
+	return starlarkTypeList
+}
+
+func (l *listExpr) emitListVarCopy(gctx *generationContext) {
+	l.emit(gctx)
+}
+
+func newStringListExpr(items []string) *listExpr {
+	v := listExpr{}
+	for _, item := range items {
+		v.items = append(v.items, &stringLiteralExpr{item})
+	}
+	return &v
+}
+
+// concatExpr generates epxr1 + expr2 + ... + exprN in Starlark.
+type concatExpr struct {
+	items []starlarkExpr
+}
+
+func (c *concatExpr) emit(gctx *generationContext) {
+	if len(c.items) == 1 {
+		c.items[0].emit(gctx)
+		return
+	}
+
+	if !gctx.inAssignment {
+		c.items[0].emit(gctx)
+		for _, item := range c.items[1:] {
+			gctx.write(" + ")
+			item.emit(gctx)
+		}
+		return
+	}
+	gctx.write("(")
+	c.items[0].emit(gctx)
+	gctx.indentLevel += 2
+	for _, item := range c.items[1:] {
+		gctx.write(" +")
+		gctx.newLine()
+		item.emit(gctx)
+	}
+	gctx.write(")")
+	gctx.indentLevel -= 2
+}
+
+func (c *concatExpr) eval(valueMap map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	same = true
+	xConcat := &concatExpr{items: make([]starlarkExpr, len(c.items))}
+	for i, item := range c.items {
+		var sameItem bool
+		xConcat.items[i], sameItem = item.eval(valueMap)
+		same = same && sameItem
+	}
+	if same {
+		res = c
+	} else {
+		res = xConcat
+	}
+	return
+}
+
+func (_ *concatExpr) typ() starlarkType {
+	return starlarkTypeList
+}
+
+func (c *concatExpr) emitListVarCopy(gctx *generationContext) {
+	c.emit(gctx)
+}
+
+// inExpr generates <expr> [not] in <list>
+type inExpr struct {
+	expr  starlarkExpr
+	list  starlarkExpr
+	isNot bool
+}
+
+func (i *inExpr) eval(valueMap map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	x := &inExpr{isNot: i.isNot}
+	var sameExpr, sameList bool
+	x.expr, sameExpr = i.expr.eval(valueMap)
+	x.list, sameList = i.list.eval(valueMap)
+	if same = sameExpr && sameList; same {
+		res = i
+	} else {
+		res = x
+	}
+	return
+}
+
+func (i *inExpr) emit(gctx *generationContext) {
+	i.expr.emit(gctx)
+	if i.isNot {
+		gctx.write(" not in ")
+	} else {
+		gctx.write(" in ")
+	}
+	i.list.emit(gctx)
+}
+
+func (_ *inExpr) typ() starlarkType {
+	return starlarkTypeBool
+}
+
+func (i *inExpr) emitListVarCopy(gctx *generationContext) {
+	i.emit(gctx)
+}
+
+type indexExpr struct {
+	array starlarkExpr
+	index starlarkExpr
+}
+
+func (ix indexExpr) emit(gctx *generationContext) {
+	ix.array.emit(gctx)
+	gctx.write("[")
+	ix.index.emit(gctx)
+	gctx.write("]")
+}
+
+func (ix indexExpr) typ() starlarkType {
+	return starlarkTypeString
+}
+
+func (ix indexExpr) eval(valueMap map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	newArray, isSameArray := ix.array.eval(valueMap)
+	newIndex, isSameIndex := ix.index.eval(valueMap)
+	if same = isSameArray && isSameIndex; same {
+		res = ix
+	} else {
+		res = &indexExpr{newArray, newIndex}
+	}
+	return
+}
+
+func (ix indexExpr) emitListVarCopy(gctx *generationContext) {
+	ix.emit(gctx)
+}
+
+type callExpr struct {
+	object     starlarkExpr // nil if static call
+	name       string
+	args       []starlarkExpr
+	returnType starlarkType
+}
+
+func (cx *callExpr) eval(valueMap map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	newCallExpr := &callExpr{name: cx.name, args: make([]starlarkExpr, len(cx.args)),
+		returnType: cx.returnType}
+	if cx.object != nil {
+		newCallExpr.object, same = cx.object.eval(valueMap)
+	} else {
+		same = true
+	}
+	for i, args := range cx.args {
+		var s bool
+		newCallExpr.args[i], s = args.eval(valueMap)
+		same = same && s
+	}
+	if same {
+		res = cx
+	} else {
+		res = newCallExpr
+	}
+	return
+}
+
+func (cx *callExpr) emit(gctx *generationContext) {
+	sep := ""
+	if cx.object != nil {
+		gctx.write("(")
+		cx.object.emit(gctx)
+		gctx.write(")")
+		gctx.write(".", cx.name, "(")
+	} else {
+		kf, found := knownFunctions[cx.name]
+		if !found {
+			panic(fmt.Errorf("callExpr with unknown function %q", cx.name))
+		}
+		if kf.runtimeName[0] == '!' {
+			panic(fmt.Errorf("callExpr for %q should not be there", cx.name))
+		}
+		gctx.write(kf.runtimeName, "(")
+		if kf.hiddenArg == hiddenArgGlobal {
+			gctx.write("g")
+			sep = ", "
+		} else if kf.hiddenArg == hiddenArgConfig {
+			gctx.write("cfg")
+			sep = ", "
+		}
+	}
+	for _, arg := range cx.args {
+		gctx.write(sep)
+		arg.emit(gctx)
+		sep = ", "
+	}
+	gctx.write(")")
+}
+
+func (cx *callExpr) typ() starlarkType {
+	return cx.returnType
+}
+
+func (cx *callExpr) emitListVarCopy(gctx *generationContext) {
+	cx.emit(gctx)
+}
+
+type badExpr struct {
+	node    mkparser.Node
+	message string
+}
+
+func (b *badExpr) eval(_ map[string]starlarkExpr) (res starlarkExpr, same bool) {
+	res = b
+	same = true
+	return
+}
+
+func (b *badExpr) emit(_ *generationContext) {
+	panic("implement me")
+}
+
+func (_ *badExpr) typ() starlarkType {
+	return starlarkTypeUnknown
+}
+
+func (b *badExpr) emitListVarCopy(gctx *generationContext) {
+	panic("implement me")
+}
+
+func maybeConvertToStringList(expr starlarkExpr) starlarkExpr {
+	if xString, ok := expr.(*stringLiteralExpr); ok {
+		return newStringListExpr(strings.Fields(xString.literal))
+	}
+	return expr
+}
+
+func isEmptyString(expr starlarkExpr) bool {
+	x, ok := expr.(*stringLiteralExpr)
+	return ok && x.literal == ""
+}
diff --git a/mk2rbc/find_mockfs.go b/mk2rbc/find_mockfs.go
new file mode 100644
index 0000000..73eff07
--- /dev/null
+++ b/mk2rbc/find_mockfs.go
@@ -0,0 +1,121 @@
+package mk2rbc
+
+import (
+	"io/fs"
+	"os"
+	"path/filepath"
+	"time"
+)
+
+// Mock FS. Maps a directory name to an array of entries.
+// An entry implements fs.DirEntry, fs.FIleInfo and fs.File interface
+type FindMockFS struct {
+	dirs map[string][]myFileInfo
+}
+
+func (m FindMockFS) locate(name string) (myFileInfo, bool) {
+	if name == "." {
+		return myFileInfo{".", true}, true
+	}
+	dir := filepath.Dir(name)
+	base := filepath.Base(name)
+	if entries, ok := m.dirs[dir]; ok {
+		for _, e := range entries {
+			if e.name == base {
+				return e, true
+			}
+		}
+	}
+	return myFileInfo{}, false
+}
+
+func (m FindMockFS) create(name string, isDir bool) {
+	dir := filepath.Dir(name)
+	m.dirs[dir] = append(m.dirs[dir], myFileInfo{filepath.Base(name), isDir})
+}
+
+func (m FindMockFS) Stat(name string) (fs.FileInfo, error) {
+	if fi, ok := m.locate(name); ok {
+		return fi, nil
+	}
+	return nil, os.ErrNotExist
+}
+
+type myFileInfo struct {
+	name  string
+	isDir bool
+}
+
+func (m myFileInfo) Info() (fs.FileInfo, error) {
+	panic("implement me")
+}
+
+func (m myFileInfo) Size() int64 {
+	panic("implement me")
+}
+
+func (m myFileInfo) Mode() fs.FileMode {
+	panic("implement me")
+}
+
+func (m myFileInfo) ModTime() time.Time {
+	panic("implement me")
+}
+
+func (m myFileInfo) Sys() interface{} {
+	return nil
+}
+
+func (m myFileInfo) Stat() (fs.FileInfo, error) {
+	return m, nil
+}
+
+func (m myFileInfo) Read(bytes []byte) (int, error) {
+	panic("implement me")
+}
+
+func (m myFileInfo) Close() error {
+	panic("implement me")
+}
+
+func (m myFileInfo) Name() string {
+	return m.name
+}
+
+func (m myFileInfo) IsDir() bool {
+	return m.isDir
+}
+
+func (m myFileInfo) Type() fs.FileMode {
+	return m.Mode()
+}
+
+func (m FindMockFS) Open(name string) (fs.File, error) {
+	panic("implement me")
+}
+
+func (m FindMockFS) ReadDir(name string) ([]fs.DirEntry, error) {
+	if d, ok := m.dirs[name]; ok {
+		var res []fs.DirEntry
+		for _, e := range d {
+			res = append(res, e)
+		}
+		return res, nil
+	}
+	return nil, os.ErrNotExist
+}
+
+func NewFindMockFS(files []string) FindMockFS {
+	myfs := FindMockFS{make(map[string][]myFileInfo)}
+	for _, f := range files {
+		isDir := false
+		for f != "." {
+			if _, ok := myfs.locate(f); !ok {
+				myfs.create(f, isDir)
+			}
+			isDir = true
+			f = filepath.Dir(f)
+		}
+	}
+	return myfs
+}
diff --git a/mk2rbc/mk2rbc.go b/mk2rbc/mk2rbc.go
new file mode 100644
index 0000000..7ceac41
--- /dev/null
+++ b/mk2rbc/mk2rbc.go
@@ -0,0 +1,1639 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+// Convert makefile containing device configuration to Starlark file
+// The conversion can handle the following constructs in a makefile:
+//   * comments
+//   * simple variable assignments
+//   * $(call init-product,<file>)
+//   * $(call inherit-product-if-exists
+//   * if directives
+// All other constructs are carried over to the output starlark file as comments.
+//
+package mk2rbc
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"io/fs"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strconv"
+	"strings"
+	"text/scanner"
+
+	mkparser "android/soong/androidmk/parser"
+)
+
+const (
+	baseUri = "//build/make/core:product_config.rbc"
+	// The name of the struct exported by the product_config.rbc
+	// that contains the functions and variables available to
+	// product configuration Starlark files.
+	baseName = "rblf"
+
+	// And here are the functions and variables:
+	cfnGetCfg          = baseName + ".cfg"
+	cfnMain            = baseName + ".product_configuration"
+	cfnPrintVars       = baseName + ".printvars"
+	cfnWarning         = baseName + ".warning"
+	cfnLocalAppend     = baseName + ".local_append"
+	cfnLocalSetDefault = baseName + ".local_set_default"
+	cfnInherit         = baseName + ".inherit"
+	cfnSetListDefault  = baseName + ".setdefault"
+)
+
+const (
+	// Phony makefile functions, they are eventually rewritten
+	// according to knownFunctions map
+	addSoongNamespace      = "add_soong_config_namespace"
+	addSoongConfigVarValue = "add_soong_config_var_value"
+	fileExistsPhony        = "$file_exists"
+	wildcardExistsPhony    = "$wildcard_exists"
+)
+
+const (
+	callLoadAlways = "inherit-product"
+	callLoadIf     = "inherit-product-if-exists"
+)
+
+var knownFunctions = map[string]struct {
+	// The name of the runtime function this function call in makefiles maps to.
+	// If it starts with !, then this makefile function call is rewritten to
+	// something else.
+	runtimeName string
+	returnType  starlarkType
+	hiddenArg   hiddenArgType
+}{
+	"abspath":                             {baseName + ".abspath", starlarkTypeString, hiddenArgNone},
+	fileExistsPhony:                       {baseName + ".file_exists", starlarkTypeBool, hiddenArgNone},
+	wildcardExistsPhony:                   {baseName + ".file_wildcard_exists", starlarkTypeBool, hiddenArgNone},
+	addSoongNamespace:                     {baseName + ".add_soong_config_namespace", starlarkTypeVoid, hiddenArgGlobal},
+	addSoongConfigVarValue:                {baseName + ".add_soong_config_var_value", starlarkTypeVoid, hiddenArgGlobal},
+	"add-to-product-copy-files-if-exists": {baseName + ".copy_if_exists", starlarkTypeList, hiddenArgNone},
+	"addprefix":                           {baseName + ".addprefix", starlarkTypeList, hiddenArgNone},
+	"addsuffix":                           {baseName + ".addsuffix", starlarkTypeList, hiddenArgNone},
+	"copy-files":                          {baseName + ".copy_files", starlarkTypeList, hiddenArgNone},
+	"dir":                                 {baseName + ".dir", starlarkTypeList, hiddenArgNone},
+	"enforce-product-packages-exist":      {baseName + ".enforce_product_packages_exist", starlarkTypeVoid, hiddenArgNone},
+	"error":                               {baseName + ".mkerror", starlarkTypeVoid, hiddenArgNone},
+	"findstring":                          {"!findstring", starlarkTypeInt, hiddenArgNone},
+	"find-copy-subdir-files":              {baseName + ".find_and_copy", starlarkTypeList, hiddenArgNone},
+	"find-word-in-list":                   {"!find-word-in-list", starlarkTypeUnknown, hiddenArgNone}, // internal macro
+	"filter":                              {baseName + ".filter", starlarkTypeList, hiddenArgNone},
+	"filter-out":                          {baseName + ".filter_out", starlarkTypeList, hiddenArgNone},
+	"firstword":                           {"!firstword", starlarkTypeString, hiddenArgNone},
+	"get-vendor-board-platforms":          {"!get-vendor-board-platforms", starlarkTypeList, hiddenArgNone}, // internal macro, used by is-board-platform, etc.
+	"info":                                {baseName + ".mkinfo", starlarkTypeVoid, hiddenArgNone},
+	"is-android-codename":                 {"!is-android-codename", starlarkTypeBool, hiddenArgNone},         // unused by product config
+	"is-android-codename-in-list":         {"!is-android-codename-in-list", starlarkTypeBool, hiddenArgNone}, // unused by product config
+	"is-board-platform":                   {"!is-board-platform", starlarkTypeBool, hiddenArgNone},
+	"is-board-platform-in-list":           {"!is-board-platform-in-list", starlarkTypeBool, hiddenArgNone},
+	"is-chipset-in-board-platform":        {"!is-chipset-in-board-platform", starlarkTypeUnknown, hiddenArgNone},     // unused by product config
+	"is-chipset-prefix-in-board-platform": {"!is-chipset-prefix-in-board-platform", starlarkTypeBool, hiddenArgNone}, // unused by product config
+	"is-not-board-platform":               {"!is-not-board-platform", starlarkTypeBool, hiddenArgNone},               // defined but never used
+	"is-platform-sdk-version-at-least":    {"!is-platform-sdk-version-at-least", starlarkTypeBool, hiddenArgNone},    // unused by product config
+	"is-product-in-list":                  {"!is-product-in-list", starlarkTypeBool, hiddenArgNone},
+	"is-vendor-board-platform":            {"!is-vendor-board-platform", starlarkTypeBool, hiddenArgNone},
+	callLoadAlways:                        {"!inherit-product", starlarkTypeVoid, hiddenArgNone},
+	callLoadIf:                            {"!inherit-product-if-exists", starlarkTypeVoid, hiddenArgNone},
+	"lastword":                            {"!lastword", starlarkTypeString, hiddenArgNone},
+	"match-prefix":                        {"!match-prefix", starlarkTypeUnknown, hiddenArgNone},       // internal macro
+	"match-word":                          {"!match-word", starlarkTypeUnknown, hiddenArgNone},         // internal macro
+	"match-word-in-list":                  {"!match-word-in-list", starlarkTypeUnknown, hiddenArgNone}, // internal macro
+	"notdir":                              {baseName + ".notdir", starlarkTypeString, hiddenArgNone},
+	"my-dir":                              {"!my-dir", starlarkTypeString, hiddenArgNone},
+	"patsubst":                            {baseName + ".mkpatsubst", starlarkTypeString, hiddenArgNone},
+	"produce_copy_files":                  {baseName + ".produce_copy_files", starlarkTypeList, hiddenArgNone},
+	"require-artifacts-in-path":           {baseName + ".require_artifacts_in_path", starlarkTypeVoid, hiddenArgNone},
+	"require-artifacts-in-path-relaxed":   {baseName + ".require_artifacts_in_path_relaxed", starlarkTypeVoid, hiddenArgNone},
+	// TODO(asmundak): remove it once all calls are removed from configuration makefiles. see b/183161002
+	"shell":      {baseName + ".shell", starlarkTypeString, hiddenArgNone},
+	"strip":      {baseName + ".mkstrip", starlarkTypeString, hiddenArgNone},
+	"tb-modules": {"!tb-modules", starlarkTypeUnknown, hiddenArgNone}, // defined in hardware/amlogic/tb_modules/tb_detect.mk, unused
+	"subst":      {baseName + ".mksubst", starlarkTypeString, hiddenArgNone},
+	"warning":    {baseName + ".mkwarning", starlarkTypeVoid, hiddenArgNone},
+	"word":       {baseName + "!word", starlarkTypeString, hiddenArgNone},
+	"wildcard":   {baseName + ".expand_wildcard", starlarkTypeList, hiddenArgNone},
+}
+
+var builtinFuncRex = regexp.MustCompile(
+	"^(addprefix|addsuffix|abspath|and|basename|call|dir|error|eval" +
+		"|flavor|foreach|file|filter|filter-out|findstring|firstword|guile" +
+		"|if|info|join|lastword|notdir|or|origin|patsubst|realpath" +
+		"|shell|sort|strip|subst|suffix|value|warning|word|wordlist|words" +
+		"|wildcard)")
+
+// Conversion request parameters
+type Request struct {
+	MkFile             string    // file to convert
+	Reader             io.Reader // if set, read input from this stream instead
+	RootDir            string    // root directory path used to resolve included files
+	OutputSuffix       string    // generated Starlark files suffix
+	OutputDir          string    // if set, root of the output hierarchy
+	ErrorLogger        ErrorMonitorCB
+	TracedVariables    []string // trace assignment to these variables
+	TraceCalls         bool
+	WarnPartialSuccess bool
+	SourceFS           fs.FS
+	MakefileFinder     MakefileFinder
+}
+
+// An error sink allowing to gather error statistics.
+// NewError is called on every error encountered during processing.
+type ErrorMonitorCB interface {
+	NewError(s string, node mkparser.Node, args ...interface{})
+}
+
+// Derives module name for a given file. It is base name
+// (file name without suffix), with some characters replaced to make it a Starlark identifier
+func moduleNameForFile(mkFile string) string {
+	base := strings.TrimSuffix(filepath.Base(mkFile), filepath.Ext(mkFile))
+	// TODO(asmundak): what else can be in the product file names?
+	return strings.NewReplacer("-", "_", ".", "_").Replace(base)
+
+}
+
+func cloneMakeString(mkString *mkparser.MakeString) *mkparser.MakeString {
+	r := &mkparser.MakeString{StringPos: mkString.StringPos}
+	r.Strings = append(r.Strings, mkString.Strings...)
+	r.Variables = append(r.Variables, mkString.Variables...)
+	return r
+}
+
+func isMakeControlFunc(s string) bool {
+	return s == "error" || s == "warning" || s == "info"
+}
+
+// Starlark output generation context
+type generationContext struct {
+	buf          strings.Builder
+	starScript   *StarlarkScript
+	indentLevel  int
+	inAssignment bool
+	tracedCount  int
+}
+
+func NewGenerateContext(ss *StarlarkScript) *generationContext {
+	return &generationContext{starScript: ss}
+}
+
+// emit returns generated script
+func (gctx *generationContext) emit() string {
+	ss := gctx.starScript
+
+	// The emitted code has the following layout:
+	//    <initial comments>
+	//    preamble, i.e.,
+	//      load statement for the runtime support
+	//      load statement for each unique submodule pulled in by this one
+	//    def init(g, handle):
+	//      cfg = rblf.cfg(handle)
+	//      <statements>
+	//      <warning if conversion was not clean>
+
+	iNode := len(ss.nodes)
+	for i, node := range ss.nodes {
+		if _, ok := node.(*commentNode); !ok {
+			iNode = i
+			break
+		}
+		node.emit(gctx)
+	}
+
+	gctx.emitPreamble()
+
+	gctx.newLine()
+	// The arguments passed to the init function are the global dictionary
+	// ('g') and the product configuration dictionary ('cfg')
+	gctx.write("def init(g, handle):")
+	gctx.indentLevel++
+	if gctx.starScript.traceCalls {
+		gctx.newLine()
+		gctx.writef(`print(">%s")`, gctx.starScript.mkFile)
+	}
+	gctx.newLine()
+	gctx.writef("cfg = %s(handle)", cfnGetCfg)
+	for _, node := range ss.nodes[iNode:] {
+		node.emit(gctx)
+	}
+
+	if ss.hasErrors && ss.warnPartialSuccess {
+		gctx.newLine()
+		gctx.writef("%s(%q, %q)", cfnWarning, filepath.Base(ss.mkFile), "partially successful conversion")
+	}
+	if gctx.starScript.traceCalls {
+		gctx.newLine()
+		gctx.writef(`print("<%s")`, gctx.starScript.mkFile)
+	}
+	gctx.indentLevel--
+	gctx.write("\n")
+	return gctx.buf.String()
+}
+
+func (gctx *generationContext) emitPreamble() {
+	gctx.newLine()
+	gctx.writef("load(%q, %q)", baseUri, baseName)
+	// Emit exactly one load statement for each URI.
+	loadedSubConfigs := make(map[string]string)
+	for _, sc := range gctx.starScript.inherited {
+		uri := sc.path
+		if m, ok := loadedSubConfigs[uri]; ok {
+			// No need to emit load statement, but fix module name.
+			sc.moduleLocalName = m
+			continue
+		}
+		if sc.optional {
+			uri += "|init"
+		}
+		gctx.newLine()
+		gctx.writef("load(%q, %s = \"init\")", uri, sc.entryName())
+		loadedSubConfigs[uri] = sc.moduleLocalName
+	}
+	gctx.write("\n")
+}
+
+func (gctx *generationContext) emitPass() {
+	gctx.newLine()
+	gctx.write("pass")
+}
+
+func (gctx *generationContext) write(ss ...string) {
+	for _, s := range ss {
+		gctx.buf.WriteString(s)
+	}
+}
+
+func (gctx *generationContext) writef(format string, args ...interface{}) {
+	gctx.write(fmt.Sprintf(format, args...))
+}
+
+func (gctx *generationContext) newLine() {
+	if gctx.buf.Len() == 0 {
+		return
+	}
+	gctx.write("\n")
+	gctx.writef("%*s", 2*gctx.indentLevel, "")
+}
+
+type knownVariable struct {
+	name      string
+	class     varClass
+	valueType starlarkType
+}
+
+type knownVariables map[string]knownVariable
+
+func (pcv knownVariables) NewVariable(name string, varClass varClass, valueType starlarkType) {
+	v, exists := pcv[name]
+	if !exists {
+		pcv[name] = knownVariable{name, varClass, valueType}
+		return
+	}
+	// Conflict resolution:
+	//    * config class trumps everything
+	//    * any type trumps unknown type
+	match := varClass == v.class
+	if !match {
+		if varClass == VarClassConfig {
+			v.class = VarClassConfig
+			match = true
+		} else if v.class == VarClassConfig {
+			match = true
+		}
+	}
+	if valueType != v.valueType {
+		if valueType != starlarkTypeUnknown {
+			if v.valueType == starlarkTypeUnknown {
+				v.valueType = valueType
+			} else {
+				match = false
+			}
+		}
+	}
+	if !match {
+		fmt.Fprintf(os.Stderr, "cannot redefine %s as %v/%v (already defined as %v/%v)\n",
+			name, varClass, valueType, v.class, v.valueType)
+	}
+}
+
+// All known product variables.
+var KnownVariables = make(knownVariables)
+
+func init() {
+	for _, kv := range []string{
+		// Kernel-related variables that we know are lists.
+		"BOARD_VENDOR_KERNEL_MODULES",
+		"BOARD_VENDOR_RAMDISK_KERNEL_MODULES",
+		"BOARD_VENDOR_RAMDISK_KERNEL_MODULES_LOAD",
+		"BOARD_RECOVERY_KERNEL_MODULES",
+		// Other variables we knwo are lists
+		"ART_APEX_JARS",
+	} {
+		KnownVariables.NewVariable(kv, VarClassSoong, starlarkTypeList)
+	}
+}
+
+type nodeReceiver interface {
+	newNode(node starlarkNode)
+}
+
+// Information about the generated Starlark script.
+type StarlarkScript struct {
+	mkFile             string
+	moduleName         string
+	mkPos              scanner.Position
+	nodes              []starlarkNode
+	inherited          []*moduleInfo
+	hasErrors          bool
+	topDir             string
+	traceCalls         bool // print enter/exit each init function
+	warnPartialSuccess bool
+	sourceFS           fs.FS
+	makefileFinder     MakefileFinder
+}
+
+func (ss *StarlarkScript) newNode(node starlarkNode) {
+	ss.nodes = append(ss.nodes, node)
+}
+
+// varAssignmentScope points to the last assignment for each variable
+// in the current block. It is used during the parsing to chain
+// the assignments to a variable together.
+type varAssignmentScope struct {
+	outer *varAssignmentScope
+	vars  map[string]*assignmentNode
+}
+
+// parseContext holds the script we are generating and all the ephemeral data
+// needed during the parsing.
+type parseContext struct {
+	script           *StarlarkScript
+	nodes            []mkparser.Node // Makefile as parsed by mkparser
+	currentNodeIndex int             // Node in it we are processing
+	ifNestLevel      int
+	moduleNameCount  map[string]int // count of imported modules with given basename
+	fatalError       error
+	builtinMakeVars  map[string]starlarkExpr
+	outputSuffix     string
+	errorLogger      ErrorMonitorCB
+	tracedVariables  map[string]bool // variables to be traced in the generated script
+	variables        map[string]variable
+	varAssignments   *varAssignmentScope
+	receiver         nodeReceiver // receptacle for the generated starlarkNode's
+	receiverStack    []nodeReceiver
+	outputDir        string
+	dependentModules map[string]*moduleInfo
+	soongNamespaces  map[string]map[string]bool
+}
+
+func newParseContext(ss *StarlarkScript, nodes []mkparser.Node) *parseContext {
+	topdir, _ := filepath.Split(filepath.Join(ss.topDir, "foo"))
+	predefined := []struct{ name, value string }{
+		{"SRC_TARGET_DIR", filepath.Join("build", "make", "target")},
+		{"LOCAL_PATH", filepath.Dir(ss.mkFile)},
+		{"TOPDIR", topdir},
+		// TODO(asmundak): maybe read it from build/make/core/envsetup.mk?
+		{"TARGET_COPY_OUT_SYSTEM", "system"},
+		{"TARGET_COPY_OUT_SYSTEM_OTHER", "system_other"},
+		{"TARGET_COPY_OUT_DATA", "data"},
+		{"TARGET_COPY_OUT_ASAN", filepath.Join("data", "asan")},
+		{"TARGET_COPY_OUT_OEM", "oem"},
+		{"TARGET_COPY_OUT_RAMDISK", "ramdisk"},
+		{"TARGET_COPY_OUT_DEBUG_RAMDISK", "debug_ramdisk"},
+		{"TARGET_COPY_OUT_VENDOR_DEBUG_RAMDISK", "vendor_debug_ramdisk"},
+		{"TARGET_COPY_OUT_TEST_HARNESS_RAMDISK", "test_harness_ramdisk"},
+		{"TARGET_COPY_OUT_ROOT", "root"},
+		{"TARGET_COPY_OUT_RECOVERY", "recovery"},
+		{"TARGET_COPY_OUT_VENDOR", "||VENDOR-PATH-PH||"},
+		{"TARGET_COPY_OUT_VENDOR_RAMDISK", "vendor_ramdisk"},
+		{"TARGET_COPY_OUT_PRODUCT", "||PRODUCT-PATH-PH||"},
+		{"TARGET_COPY_OUT_PRODUCT_SERVICES", "||PRODUCT-PATH-PH||"},
+		{"TARGET_COPY_OUT_SYSTEM_EXT", "||SYSTEM_EXT-PATH-PH||"},
+		{"TARGET_COPY_OUT_ODM", "||ODM-PATH-PH||"},
+		{"TARGET_COPY_OUT_VENDOR_DLKM", "||VENDOR_DLKM-PATH-PH||"},
+		{"TARGET_COPY_OUT_ODM_DLKM", "||ODM_DLKM-PATH-PH||"},
+		// TODO(asmundak): to process internal config files, we need the following variables:
+		//    BOARD_CONFIG_VENDOR_PATH
+		//    TARGET_VENDOR
+		//    target_base_product
+		//
+
+		// the following utility variables are set in build/make/common/core.mk:
+		{"empty", ""},
+		{"space", " "},
+		{"comma", ","},
+		{"newline", "\n"},
+		{"pound", "#"},
+		{"backslash", "\\"},
+	}
+	ctx := &parseContext{
+		script:           ss,
+		nodes:            nodes,
+		currentNodeIndex: 0,
+		ifNestLevel:      0,
+		moduleNameCount:  make(map[string]int),
+		builtinMakeVars:  map[string]starlarkExpr{},
+		variables:        make(map[string]variable),
+		dependentModules: make(map[string]*moduleInfo),
+		soongNamespaces:  make(map[string]map[string]bool),
+	}
+	ctx.pushVarAssignments()
+	for _, item := range predefined {
+		ctx.variables[item.name] = &predefinedVariable{
+			baseVariable: baseVariable{nam: item.name, typ: starlarkTypeString},
+			value:        &stringLiteralExpr{item.value},
+		}
+	}
+
+	return ctx
+}
+
+func (ctx *parseContext) lastAssignment(name string) *assignmentNode {
+	for va := ctx.varAssignments; va != nil; va = va.outer {
+		if v, ok := va.vars[name]; ok {
+			return v
+		}
+	}
+	return nil
+}
+
+func (ctx *parseContext) setLastAssignment(name string, asgn *assignmentNode) {
+	ctx.varAssignments.vars[name] = asgn
+}
+
+func (ctx *parseContext) pushVarAssignments() {
+	va := &varAssignmentScope{
+		outer: ctx.varAssignments,
+		vars:  make(map[string]*assignmentNode),
+	}
+	ctx.varAssignments = va
+}
+
+func (ctx *parseContext) popVarAssignments() {
+	ctx.varAssignments = ctx.varAssignments.outer
+}
+
+func (ctx *parseContext) pushReceiver(rcv nodeReceiver) {
+	ctx.receiverStack = append(ctx.receiverStack, ctx.receiver)
+	ctx.receiver = rcv
+}
+
+func (ctx *parseContext) popReceiver() {
+	last := len(ctx.receiverStack) - 1
+	if last < 0 {
+		panic(fmt.Errorf("popReceiver: receiver stack empty"))
+	}
+	ctx.receiver = ctx.receiverStack[last]
+	ctx.receiverStack = ctx.receiverStack[0:last]
+}
+
+func (ctx *parseContext) hasNodes() bool {
+	return ctx.currentNodeIndex < len(ctx.nodes)
+}
+
+func (ctx *parseContext) getNode() mkparser.Node {
+	if !ctx.hasNodes() {
+		return nil
+	}
+	node := ctx.nodes[ctx.currentNodeIndex]
+	ctx.currentNodeIndex++
+	return node
+}
+
+func (ctx *parseContext) backNode() {
+	if ctx.currentNodeIndex <= 0 {
+		panic("Cannot back off")
+	}
+	ctx.currentNodeIndex--
+}
+
+func (ctx *parseContext) handleAssignment(a *mkparser.Assignment) {
+	// Handle only simple variables
+	if !a.Name.Const() {
+		ctx.errorf(a, "Only simple variables are handled")
+		return
+	}
+	name := a.Name.Strings[0]
+	const soongNsPrefix = "SOONG_CONFIG_"
+	// Soong confuguration
+	if strings.HasPrefix(name, soongNsPrefix) {
+		ctx.handleSoongNsAssignment(strings.TrimPrefix(name, soongNsPrefix), a)
+		return
+	}
+	lhs := ctx.addVariable(name)
+	if lhs == nil {
+		ctx.errorf(a, "unknown variable %s", name)
+		return
+	}
+	_, isTraced := ctx.tracedVariables[name]
+	asgn := &assignmentNode{lhs: lhs, mkValue: a.Value, isTraced: isTraced}
+	if lhs.valueType() == starlarkTypeUnknown {
+		// Try to divine variable type from the RHS
+		asgn.value = ctx.parseMakeString(a, a.Value)
+		if xBad, ok := asgn.value.(*badExpr); ok {
+			ctx.wrapBadExpr(xBad)
+			return
+		}
+		inferred_type := asgn.value.typ()
+		if inferred_type != starlarkTypeUnknown {
+			lhs.setValueType(inferred_type)
+		}
+	}
+	if lhs.valueType() == starlarkTypeList {
+		xConcat := ctx.buildConcatExpr(a)
+		if xConcat == nil {
+			return
+		}
+		switch len(xConcat.items) {
+		case 0:
+			asgn.value = &listExpr{}
+		case 1:
+			asgn.value = xConcat.items[0]
+		default:
+			asgn.value = xConcat
+		}
+	} else {
+		asgn.value = ctx.parseMakeString(a, a.Value)
+		if xBad, ok := asgn.value.(*badExpr); ok {
+			ctx.wrapBadExpr(xBad)
+			return
+		}
+	}
+
+	// TODO(asmundak): move evaluation to a separate pass
+	asgn.value, _ = asgn.value.eval(ctx.builtinMakeVars)
+
+	asgn.previous = ctx.lastAssignment(name)
+	ctx.setLastAssignment(name, asgn)
+	switch a.Type {
+	case "=", ":=":
+		asgn.flavor = asgnSet
+	case "+=":
+		if asgn.previous == nil && !asgn.lhs.isPreset() {
+			asgn.flavor = asgnMaybeAppend
+		} else {
+			asgn.flavor = asgnAppend
+		}
+	case "?=":
+		asgn.flavor = asgnMaybeSet
+	default:
+		panic(fmt.Errorf("unexpected assignment type %s", a.Type))
+	}
+
+	ctx.receiver.newNode(asgn)
+}
+
+func (ctx *parseContext) handleSoongNsAssignment(name string, asgn *mkparser.Assignment) {
+	val := ctx.parseMakeString(asgn, asgn.Value)
+	if xBad, ok := val.(*badExpr); ok {
+		ctx.wrapBadExpr(xBad)
+		return
+	}
+	val, _ = val.eval(ctx.builtinMakeVars)
+
+	// Unfortunately, Soong namespaces can be set up by directly setting corresponding Make
+	// variables instead of via add_soong_config_namespace + add_soong_config_var_value.
+	// Try to divine the call from the assignment as follows:
+	if name == "NAMESPACES" {
+		// Upon seeng
+		//      SOONG_CONFIG_NAMESPACES += foo
+		//    remember that there is a namespace `foo` and act as we saw
+		//      $(call add_soong_config_namespace,foo)
+		s, ok := maybeString(val)
+		if !ok {
+			ctx.errorf(asgn, "cannot handle variables in SOONG_CONFIG_NAMESPACES assignment, please use add_soong_config_namespace instead")
+			return
+		}
+		for _, ns := range strings.Fields(s) {
+			ctx.addSoongNamespace(ns)
+			ctx.receiver.newNode(&exprNode{&callExpr{
+				name:       addSoongNamespace,
+				args:       []starlarkExpr{&stringLiteralExpr{ns}},
+				returnType: starlarkTypeVoid,
+			}})
+		}
+	} else {
+		// Upon seeing
+		//      SOONG_CONFIG_x_y = v
+		// find a namespace called `x` and act as if we encountered
+		//      $(call add_config_var_value(x,y,v)
+		// or check that `x_y` is a namespace, and then add the RHS of this assignment as variables in
+		// it.
+		// Emit an error in the ambiguous situation (namespaces `foo_bar` with a variable `baz`
+		// and `foo` with a variable `bar_baz`.
+		namespaceName := ""
+		if ctx.hasSoongNamespace(name) {
+			namespaceName = name
+		}
+		var varName string
+		for pos, ch := range name {
+			if !(ch == '_' && ctx.hasSoongNamespace(name[0:pos])) {
+				continue
+			}
+			if namespaceName != "" {
+				ctx.errorf(asgn, "ambiguous soong namespace (may be either `%s` or  `%s`)", namespaceName, name[0:pos])
+				return
+			}
+			namespaceName = name[0:pos]
+			varName = name[pos+1:]
+		}
+		if namespaceName == "" {
+			ctx.errorf(asgn, "cannot figure out Soong namespace, please use add_soong_config_var_value macro instead")
+			return
+		}
+		if varName == "" {
+			// Remember variables in this namespace
+			s, ok := maybeString(val)
+			if !ok {
+				ctx.errorf(asgn, "cannot handle variables in SOONG_CONFIG_ assignment, please use add_soong_config_var_value instead")
+				return
+			}
+			ctx.updateSoongNamespace(asgn.Type != "+=", namespaceName, strings.Fields(s))
+			return
+		}
+
+		// Finally, handle assignment to a namespace variable
+		if !ctx.hasNamespaceVar(namespaceName, varName) {
+			ctx.errorf(asgn, "no %s variable in %s namespace, please use add_soong_config_var_value instead", varName, namespaceName)
+			return
+		}
+		ctx.receiver.newNode(&exprNode{&callExpr{
+			name:       addSoongConfigVarValue,
+			args:       []starlarkExpr{&stringLiteralExpr{namespaceName}, &stringLiteralExpr{varName}, val},
+			returnType: starlarkTypeVoid,
+		}})
+	}
+}
+
+func (ctx *parseContext) buildConcatExpr(a *mkparser.Assignment) *concatExpr {
+	xConcat := &concatExpr{}
+	var xItemList *listExpr
+	addToItemList := func(x ...starlarkExpr) {
+		if xItemList == nil {
+			xItemList = &listExpr{[]starlarkExpr{}}
+		}
+		xItemList.items = append(xItemList.items, x...)
+	}
+	finishItemList := func() {
+		if xItemList != nil {
+			xConcat.items = append(xConcat.items, xItemList)
+			xItemList = nil
+		}
+	}
+
+	items := a.Value.Words()
+	for _, item := range items {
+		// A function call in RHS is supposed to return a list, all other item
+		// expressions return individual elements.
+		switch x := ctx.parseMakeString(a, item).(type) {
+		case *badExpr:
+			ctx.wrapBadExpr(x)
+			return nil
+		case *stringLiteralExpr:
+			addToItemList(maybeConvertToStringList(x).(*listExpr).items...)
+		default:
+			switch x.typ() {
+			case starlarkTypeList:
+				finishItemList()
+				xConcat.items = append(xConcat.items, x)
+			case starlarkTypeString:
+				finishItemList()
+				xConcat.items = append(xConcat.items, &callExpr{
+					object:     x,
+					name:       "split",
+					args:       nil,
+					returnType: starlarkTypeList,
+				})
+			default:
+				addToItemList(x)
+			}
+		}
+	}
+	if xItemList != nil {
+		xConcat.items = append(xConcat.items, xItemList)
+	}
+	return xConcat
+}
+
+func (ctx *parseContext) newDependentModule(path string, optional bool) *moduleInfo {
+	modulePath := ctx.loadedModulePath(path)
+	if mi, ok := ctx.dependentModules[modulePath]; ok {
+		mi.optional = mi.optional || optional
+		return mi
+	}
+	moduleName := moduleNameForFile(path)
+	moduleLocalName := "_" + moduleName
+	n, found := ctx.moduleNameCount[moduleName]
+	if found {
+		moduleLocalName += fmt.Sprintf("%d", n)
+	}
+	ctx.moduleNameCount[moduleName] = n + 1
+	mi := &moduleInfo{
+		path:            modulePath,
+		originalPath:    path,
+		moduleLocalName: moduleLocalName,
+		optional:        optional,
+	}
+	ctx.dependentModules[modulePath] = mi
+	ctx.script.inherited = append(ctx.script.inherited, mi)
+	return mi
+}
+
+func (ctx *parseContext) handleSubConfig(
+	v mkparser.Node, pathExpr starlarkExpr, loadAlways bool, processModule func(inheritedModule)) {
+	pathExpr, _ = pathExpr.eval(ctx.builtinMakeVars)
+
+	// In a simple case, the name of a module to inherit/include is known statically.
+	if path, ok := maybeString(pathExpr); ok {
+		if strings.Contains(path, "*") {
+			if paths, err := fs.Glob(ctx.script.sourceFS, path); err == nil {
+				for _, p := range paths {
+					processModule(inheritedStaticModule{ctx.newDependentModule(p, !loadAlways), loadAlways})
+				}
+			} else {
+				ctx.errorf(v, "cannot glob wildcard argument")
+			}
+		} else {
+			processModule(inheritedStaticModule{ctx.newDependentModule(path, !loadAlways), loadAlways})
+		}
+		return
+	}
+
+	// If module path references variables (e.g., $(v1)/foo/$(v2)/device-config.mk), find all the paths in the
+	// source tree that may be a match and the corresponding variable values. For instance, if the source tree
+	// contains vendor1/foo/abc/dev.mk and vendor2/foo/def/dev.mk, the first one will be inherited when
+	// (v1, v2) == ('vendor1', 'abc'), and the second one when (v1, v2) == ('vendor2', 'def').
+	// We then emit the code that loads all of them, e.g.:
+	//    load("//vendor1/foo/abc:dev.rbc", _dev1_init="init")
+	//    load("//vendor2/foo/def/dev.rbc", _dev2_init="init")
+	// And then inherit it as follows:
+	//    _e = {
+	//       "vendor1/foo/abc/dev.mk": ("vendor1/foo/abc/dev", _dev1_init),
+	//       "vendor2/foo/def/dev.mk": ("vendor2/foo/def/dev", _dev_init2) }.get("%s/foo/%s/dev.mk" % (v1, v2))
+	//    if _e:
+	//       rblf.inherit(handle, _e[0], _e[1])
+	//
+	var matchingPaths []string
+	varPath, ok := pathExpr.(*interpolateExpr)
+	if !ok {
+		ctx.errorf(v, "inherit-product/include argument is too complex")
+		return
+	}
+
+	pathPattern := []string{varPath.chunks[0]}
+	for _, chunk := range varPath.chunks[1:] {
+		if chunk != "" {
+			pathPattern = append(pathPattern, chunk)
+		}
+	}
+	if pathPattern[0] != "" {
+		matchingPaths = ctx.findMatchingPaths(pathPattern)
+	} else {
+		// Heuristics -- if pattern starts from top, restrict it to the directories where
+		// we know inherit-product uses dynamically calculated path. Restrict it even further
+		// for certain path which would yield too many useless matches
+		if len(varPath.chunks) == 2 && varPath.chunks[1] == "/BoardConfigVendor.mk" {
+			pathPattern[0] = "vendor/google_devices"
+			matchingPaths = ctx.findMatchingPaths(pathPattern)
+		} else {
+			for _, t := range []string{"vendor/qcom", "vendor/google_devices"} {
+				pathPattern[0] = t
+				matchingPaths = append(matchingPaths, ctx.findMatchingPaths(pathPattern)...)
+			}
+		}
+	}
+	// Safeguard against $(call inherit-product,$(PRODUCT_PATH))
+	const maxMatchingFiles = 150
+	if len(matchingPaths) > maxMatchingFiles {
+		ctx.errorf(v, "there are >%d files matching the pattern, please rewrite it", maxMatchingFiles)
+		return
+	}
+	res := inheritedDynamicModule{*varPath, []*moduleInfo{}, loadAlways}
+	for _, p := range matchingPaths {
+		// A product configuration files discovered dynamically may attempt to inherit
+		// from another one which does not exist in this source tree. Prevent load errors
+		// by always loading the dynamic files as optional.
+		res.candidateModules = append(res.candidateModules, ctx.newDependentModule(p, true))
+	}
+	processModule(res)
+}
+
+func (ctx *parseContext) findMatchingPaths(pattern []string) []string {
+	files := ctx.script.makefileFinder.Find(ctx.script.topDir)
+	if len(pattern) == 0 {
+		return files
+	}
+
+	// Create regular expression from the pattern
+	s_regexp := "^" + regexp.QuoteMeta(pattern[0])
+	for _, s := range pattern[1:] {
+		s_regexp += ".*" + regexp.QuoteMeta(s)
+	}
+	s_regexp += "$"
+	rex := regexp.MustCompile(s_regexp)
+
+	// Now match
+	var res []string
+	for _, p := range files {
+		if rex.MatchString(p) {
+			res = append(res, p)
+		}
+	}
+	return res
+}
+
+func (ctx *parseContext) handleInheritModule(v mkparser.Node, pathExpr starlarkExpr, loadAlways bool) {
+	ctx.handleSubConfig(v, pathExpr, loadAlways, func(im inheritedModule) {
+		ctx.receiver.newNode(&inheritNode{im})
+	})
+}
+
+func (ctx *parseContext) handleInclude(v mkparser.Node, pathExpr starlarkExpr, loadAlways bool) {
+	ctx.handleSubConfig(v, pathExpr, loadAlways, func(im inheritedModule) {
+		ctx.receiver.newNode(&includeNode{im})
+	})
+}
+
+func (ctx *parseContext) handleVariable(v *mkparser.Variable) {
+	// Handle:
+	//   $(call inherit-product,...)
+	//   $(call inherit-product-if-exists,...)
+	//   $(info xxx)
+	//   $(warning xxx)
+	//   $(error xxx)
+	expr := ctx.parseReference(v, v.Name)
+	switch x := expr.(type) {
+	case *callExpr:
+		if x.name == callLoadAlways || x.name == callLoadIf {
+			ctx.handleInheritModule(v, x.args[0], x.name == callLoadAlways)
+		} else if isMakeControlFunc(x.name) {
+			// File name is the first argument
+			args := []starlarkExpr{
+				&stringLiteralExpr{ctx.script.mkFile},
+				x.args[0],
+			}
+			ctx.receiver.newNode(&exprNode{
+				&callExpr{name: x.name, args: args, returnType: starlarkTypeUnknown},
+			})
+		} else {
+			ctx.receiver.newNode(&exprNode{expr})
+		}
+	case *badExpr:
+		ctx.wrapBadExpr(x)
+		return
+	default:
+		ctx.errorf(v, "cannot handle %s", v.Dump())
+		return
+	}
+}
+
+func (ctx *parseContext) handleDefine(directive *mkparser.Directive) {
+	macro_name := strings.Fields(directive.Args.Strings[0])[0]
+	// Ignore the macros that we handle
+	if _, ok := knownFunctions[macro_name]; !ok {
+		ctx.errorf(directive, "define is not supported: %s", macro_name)
+	}
+}
+
+func (ctx *parseContext) handleIfBlock(ifDirective *mkparser.Directive) {
+	ssSwitch := &switchNode{}
+	ctx.pushReceiver(ssSwitch)
+	for ctx.processBranch(ifDirective); ctx.hasNodes() && ctx.fatalError == nil; {
+		node := ctx.getNode()
+		switch x := node.(type) {
+		case *mkparser.Directive:
+			switch x.Name {
+			case "else", "elifdef", "elifndef", "elifeq", "elifneq":
+				ctx.processBranch(x)
+			case "endif":
+				ctx.popReceiver()
+				ctx.receiver.newNode(ssSwitch)
+				return
+			default:
+				ctx.errorf(node, "unexpected directive %s", x.Name)
+			}
+		default:
+			ctx.errorf(ifDirective, "unexpected statement")
+		}
+	}
+	if ctx.fatalError == nil {
+		ctx.fatalError = fmt.Errorf("no matching endif for %s", ifDirective.Dump())
+	}
+	ctx.popReceiver()
+}
+
+// processBranch processes a single branch (if/elseif/else) until the next directive
+// on the same level.
+func (ctx *parseContext) processBranch(check *mkparser.Directive) {
+	block := switchCase{gate: ctx.parseCondition(check)}
+	defer func() {
+		ctx.popVarAssignments()
+		ctx.ifNestLevel--
+
+	}()
+	ctx.pushVarAssignments()
+	ctx.ifNestLevel++
+
+	ctx.pushReceiver(&block)
+	for ctx.hasNodes() {
+		node := ctx.getNode()
+		if ctx.handleSimpleStatement(node) {
+			continue
+		}
+		switch d := node.(type) {
+		case *mkparser.Directive:
+			switch d.Name {
+			case "else", "elifdef", "elifndef", "elifeq", "elifneq", "endif":
+				ctx.popReceiver()
+				ctx.receiver.newNode(&block)
+				ctx.backNode()
+				return
+			case "ifdef", "ifndef", "ifeq", "ifneq":
+				ctx.handleIfBlock(d)
+			default:
+				ctx.errorf(d, "unexpected directive %s", d.Name)
+			}
+		default:
+			ctx.errorf(node, "unexpected statement")
+		}
+	}
+	ctx.fatalError = fmt.Errorf("no matching endif for %s", check.Dump())
+	ctx.popReceiver()
+}
+
+func (ctx *parseContext) newIfDefinedNode(check *mkparser.Directive) (starlarkExpr, bool) {
+	if !check.Args.Const() {
+		return ctx.newBadExpr(check, "ifdef variable ref too complex: %s", check.Args.Dump()), false
+	}
+	v := ctx.addVariable(check.Args.Strings[0])
+	return &variableDefinedExpr{v}, true
+}
+
+func (ctx *parseContext) parseCondition(check *mkparser.Directive) starlarkNode {
+	switch check.Name {
+	case "ifdef", "ifndef", "elifdef", "elifndef":
+		v, ok := ctx.newIfDefinedNode(check)
+		if ok && strings.HasSuffix(check.Name, "ndef") {
+			v = &notExpr{v}
+		}
+		return &ifNode{
+			isElif: strings.HasPrefix(check.Name, "elif"),
+			expr:   v,
+		}
+	case "ifeq", "ifneq", "elifeq", "elifneq":
+		return &ifNode{
+			isElif: strings.HasPrefix(check.Name, "elif"),
+			expr:   ctx.parseCompare(check),
+		}
+	case "else":
+		return &elseNode{}
+	default:
+		panic(fmt.Errorf("%s: unknown directive: %s", ctx.script.mkFile, check.Dump()))
+	}
+}
+
+func (ctx *parseContext) newBadExpr(node mkparser.Node, text string, args ...interface{}) starlarkExpr {
+	message := fmt.Sprintf(text, args...)
+	if ctx.errorLogger != nil {
+		ctx.errorLogger.NewError(text, node, args)
+	}
+	ctx.script.hasErrors = true
+	return &badExpr{node, message}
+}
+
+func (ctx *parseContext) parseCompare(cond *mkparser.Directive) starlarkExpr {
+	// Strip outer parentheses
+	mkArg := cloneMakeString(cond.Args)
+	mkArg.Strings[0] = strings.TrimLeft(mkArg.Strings[0], "( ")
+	n := len(mkArg.Strings)
+	mkArg.Strings[n-1] = strings.TrimRight(mkArg.Strings[n-1], ") ")
+	args := mkArg.Split(",")
+	// TODO(asmundak): handle the case where the arguments are in quotes and space-separated
+	if len(args) != 2 {
+		return ctx.newBadExpr(cond, "ifeq/ifneq len(args) != 2 %s", cond.Dump())
+	}
+	args[0].TrimRightSpaces()
+	args[1].TrimLeftSpaces()
+
+	isEq := !strings.HasSuffix(cond.Name, "neq")
+	switch xLeft := ctx.parseMakeString(cond, args[0]).(type) {
+	case *stringLiteralExpr, *variableRefExpr:
+		switch xRight := ctx.parseMakeString(cond, args[1]).(type) {
+		case *stringLiteralExpr, *variableRefExpr:
+			return &eqExpr{left: xLeft, right: xRight, isEq: isEq}
+		case *badExpr:
+			return xRight
+		default:
+			expr, ok := ctx.parseCheckFunctionCallResult(cond, xLeft, args[1])
+			if ok {
+				return expr
+			}
+			return ctx.newBadExpr(cond, "right operand is too complex: %s", args[1].Dump())
+		}
+	case *badExpr:
+		return xLeft
+	default:
+		switch xRight := ctx.parseMakeString(cond, args[1]).(type) {
+		case *stringLiteralExpr, *variableRefExpr:
+			expr, ok := ctx.parseCheckFunctionCallResult(cond, xRight, args[0])
+			if ok {
+				return expr
+			}
+			return ctx.newBadExpr(cond, "left operand is too complex: %s", args[0].Dump())
+		case *badExpr:
+			return xRight
+		default:
+			return ctx.newBadExpr(cond, "operands are too complex: (%s,%s)", args[0].Dump(), args[1].Dump())
+		}
+	}
+}
+
+func (ctx *parseContext) parseCheckFunctionCallResult(directive *mkparser.Directive, xValue starlarkExpr,
+	varArg *mkparser.MakeString) (starlarkExpr, bool) {
+	mkSingleVar, ok := varArg.SingleVariable()
+	if !ok {
+		return nil, false
+	}
+	expr := ctx.parseReference(directive, mkSingleVar)
+	negate := strings.HasSuffix(directive.Name, "neq")
+	checkIsSomethingFunction := func(xCall *callExpr) starlarkExpr {
+		s, ok := maybeString(xValue)
+		if !ok || s != "true" {
+			return ctx.newBadExpr(directive,
+				fmt.Sprintf("the result of %s can be compared only to 'true'", xCall.name))
+		}
+		if len(xCall.args) < 1 {
+			return ctx.newBadExpr(directive, "%s requires an argument", xCall.name)
+		}
+		return nil
+	}
+	switch x := expr.(type) {
+	case *callExpr:
+		switch x.name {
+		case "filter":
+			return ctx.parseCompareFilterFuncResult(directive, x, xValue, !negate), true
+		case "filter-out":
+			return ctx.parseCompareFilterFuncResult(directive, x, xValue, negate), true
+		case "wildcard":
+			return ctx.parseCompareWildcardFuncResult(directive, x, xValue, negate), true
+		case "findstring":
+			return ctx.parseCheckFindstringFuncResult(directive, x, xValue, negate), true
+		case "strip":
+			return ctx.parseCompareStripFuncResult(directive, x, xValue, negate), true
+		case "is-board-platform":
+			if xBad := checkIsSomethingFunction(x); xBad != nil {
+				return xBad, true
+			}
+			return &eqExpr{
+				left:  &variableRefExpr{ctx.addVariable("TARGET_BOARD_PLATFORM"), false},
+				right: x.args[0],
+				isEq:  !negate,
+			}, true
+		case "is-board-platform-in-list":
+			if xBad := checkIsSomethingFunction(x); xBad != nil {
+				return xBad, true
+			}
+			return &inExpr{
+				expr:  &variableRefExpr{ctx.addVariable("TARGET_BOARD_PLATFORM"), false},
+				list:  maybeConvertToStringList(x.args[0]),
+				isNot: negate,
+			}, true
+		case "is-product-in-list":
+			if xBad := checkIsSomethingFunction(x); xBad != nil {
+				return xBad, true
+			}
+			return &inExpr{
+				expr:  &variableRefExpr{ctx.addVariable("TARGET_PRODUCT"), true},
+				list:  maybeConvertToStringList(x.args[0]),
+				isNot: negate,
+			}, true
+		case "is-vendor-board-platform":
+			if xBad := checkIsSomethingFunction(x); xBad != nil {
+				return xBad, true
+			}
+			s, ok := maybeString(x.args[0])
+			if !ok {
+				return ctx.newBadExpr(directive, "cannot handle non-constant argument to is-vendor-board-platform"), true
+			}
+			return &inExpr{
+				expr:  &variableRefExpr{ctx.addVariable("TARGET_BOARD_PLATFORM"), false},
+				list:  &variableRefExpr{ctx.addVariable(s + "_BOARD_PLATFORMS"), true},
+				isNot: negate,
+			}, true
+		default:
+			return ctx.newBadExpr(directive, "Unknown function in ifeq: %s", x.name), true
+		}
+	case *badExpr:
+		return x, true
+	default:
+		return nil, false
+	}
+}
+
+func (ctx *parseContext) parseCompareFilterFuncResult(cond *mkparser.Directive,
+	filterFuncCall *callExpr, xValue starlarkExpr, negate bool) starlarkExpr {
+	// We handle:
+	// *  ifeq/ifneq (,$(filter v1 v2 ..., EXPR) becomes if EXPR not in/in ["v1", "v2", ...]
+	// *  ifeq/ifneq (,$(filter EXPR, v1 v2 ...) becomes if EXPR not in/in ["v1", "v2", ...]
+	// *  ifeq/ifneq ($(VAR),$(filter $(VAR), v1 v2 ...) becomes if VAR in/not in ["v1", "v2"]
+	// TODO(Asmundak): check the last case works for filter-out, too.
+	xPattern := filterFuncCall.args[0]
+	xText := filterFuncCall.args[1]
+	var xInList *stringLiteralExpr
+	var expr starlarkExpr
+	var ok bool
+	switch x := xValue.(type) {
+	case *stringLiteralExpr:
+		if x.literal != "" {
+			return ctx.newBadExpr(cond, "filter comparison to non-empty value: %s", xValue)
+		}
+		// Either pattern or text should be const, and the
+		// non-const one should be varRefExpr
+		if xInList, ok = xPattern.(*stringLiteralExpr); ok {
+			expr = xText
+		} else if xInList, ok = xText.(*stringLiteralExpr); ok {
+			expr = xPattern
+		} else {
+			return &callExpr{
+				object:     nil,
+				name:       filterFuncCall.name,
+				args:       filterFuncCall.args,
+				returnType: starlarkTypeBool,
+			}
+		}
+	case *variableRefExpr:
+		if v, ok := xPattern.(*variableRefExpr); ok {
+			if xInList, ok = xText.(*stringLiteralExpr); ok && v.ref.name() == x.ref.name() {
+				// ifeq/ifneq ($(VAR),$(filter $(VAR), v1 v2 ...), flip negate,
+				// it's the opposite to what is done when comparing to empty.
+				expr = xPattern
+				negate = !negate
+			}
+		}
+	}
+	if expr != nil && xInList != nil {
+		slExpr := newStringListExpr(strings.Fields(xInList.literal))
+		// Generate simpler code for the common cases:
+		if expr.typ() == starlarkTypeList {
+			if len(slExpr.items) == 1 {
+				// Checking that a string belongs to list
+				return &inExpr{isNot: negate, list: expr, expr: slExpr.items[0]}
+			} else {
+				// TODO(asmundak):
+				panic("TBD")
+			}
+		} else if len(slExpr.items) == 1 {
+			return &eqExpr{left: expr, right: slExpr.items[0], isEq: !negate}
+		} else {
+			return &inExpr{isNot: negate, list: newStringListExpr(strings.Fields(xInList.literal)), expr: expr}
+		}
+	}
+	return ctx.newBadExpr(cond, "filter arguments are too complex: %s", cond.Dump())
+}
+
+func (ctx *parseContext) parseCompareWildcardFuncResult(directive *mkparser.Directive,
+	xCall *callExpr, xValue starlarkExpr, negate bool) starlarkExpr {
+	if !isEmptyString(xValue) {
+		return ctx.newBadExpr(directive, "wildcard result can be compared only to empty: %s", xValue)
+	}
+	callFunc := wildcardExistsPhony
+	if s, ok := xCall.args[0].(*stringLiteralExpr); ok && !strings.ContainsAny(s.literal, "*?{[") {
+		callFunc = fileExistsPhony
+	}
+	var cc starlarkExpr = &callExpr{name: callFunc, args: xCall.args, returnType: starlarkTypeBool}
+	if !negate {
+		cc = &notExpr{cc}
+	}
+	return cc
+}
+
+func (ctx *parseContext) parseCheckFindstringFuncResult(directive *mkparser.Directive,
+	xCall *callExpr, xValue starlarkExpr, negate bool) starlarkExpr {
+	if isEmptyString(xValue) {
+		return &eqExpr{
+			left: &callExpr{
+				object:     xCall.args[1],
+				name:       "find",
+				args:       []starlarkExpr{xCall.args[0]},
+				returnType: starlarkTypeInt,
+			},
+			right: &intLiteralExpr{-1},
+			isEq:  !negate,
+		}
+	}
+	return ctx.newBadExpr(directive, "findstring result can be compared only to empty: %s", xValue)
+}
+
+func (ctx *parseContext) parseCompareStripFuncResult(directive *mkparser.Directive,
+	xCall *callExpr, xValue starlarkExpr, negate bool) starlarkExpr {
+	if _, ok := xValue.(*stringLiteralExpr); !ok {
+		return ctx.newBadExpr(directive, "strip result can be compared only to string: %s", xValue)
+	}
+	return &eqExpr{
+		left: &callExpr{
+			name:       "strip",
+			args:       xCall.args,
+			returnType: starlarkTypeString,
+		},
+		right: xValue, isEq: !negate}
+}
+
+// parses $(...), returning an expression
+func (ctx *parseContext) parseReference(node mkparser.Node, ref *mkparser.MakeString) starlarkExpr {
+	ref.TrimLeftSpaces()
+	ref.TrimRightSpaces()
+	refDump := ref.Dump()
+
+	// Handle only the case where the first (or only) word is constant
+	words := ref.SplitN(" ", 2)
+	if !words[0].Const() {
+		return ctx.newBadExpr(node, "reference is too complex: %s", refDump)
+	}
+
+	// If it is a single word, it can be a simple variable
+	// reference or a function call
+	if len(words) == 1 {
+		if isMakeControlFunc(refDump) || refDump == "shell" {
+			return &callExpr{
+				name:       refDump,
+				args:       []starlarkExpr{&stringLiteralExpr{""}},
+				returnType: starlarkTypeUnknown,
+			}
+		}
+		if v := ctx.addVariable(refDump); v != nil {
+			return &variableRefExpr{v, ctx.lastAssignment(v.name()) != nil}
+		}
+		return ctx.newBadExpr(node, "unknown variable %s", refDump)
+	}
+
+	expr := &callExpr{name: words[0].Dump(), returnType: starlarkTypeUnknown}
+	args := words[1]
+	args.TrimLeftSpaces()
+	// Make control functions and shell need special treatment as everything
+	// after the name is a single text argument
+	if isMakeControlFunc(expr.name) || expr.name == "shell" {
+		x := ctx.parseMakeString(node, args)
+		if xBad, ok := x.(*badExpr); ok {
+			return xBad
+		}
+		expr.args = []starlarkExpr{x}
+		return expr
+	}
+	if expr.name == "call" {
+		words = args.SplitN(",", 2)
+		if words[0].Empty() || !words[0].Const() {
+			return ctx.newBadExpr(node, "cannot handle %s", refDump)
+		}
+		expr.name = words[0].Dump()
+		if len(words) < 2 {
+			args = &mkparser.MakeString{}
+		} else {
+			args = words[1]
+		}
+	}
+	if kf, found := knownFunctions[expr.name]; found {
+		expr.returnType = kf.returnType
+	} else {
+		return ctx.newBadExpr(node, "cannot handle invoking %s", expr.name)
+	}
+	switch expr.name {
+	case "word":
+		return ctx.parseWordFunc(node, args)
+	case "firstword", "lastword":
+		return ctx.parseFirstOrLastwordFunc(node, expr.name, args)
+	case "my-dir":
+		return &variableRefExpr{ctx.addVariable("LOCAL_PATH"), true}
+	case "subst", "patsubst":
+		return ctx.parseSubstFunc(node, expr.name, args)
+	default:
+		for _, arg := range args.Split(",") {
+			arg.TrimLeftSpaces()
+			arg.TrimRightSpaces()
+			x := ctx.parseMakeString(node, arg)
+			if xBad, ok := x.(*badExpr); ok {
+				return xBad
+			}
+			expr.args = append(expr.args, x)
+		}
+	}
+	return expr
+}
+
+func (ctx *parseContext) parseSubstFunc(node mkparser.Node, fname string, args *mkparser.MakeString) starlarkExpr {
+	words := args.Split(",")
+	if len(words) != 3 {
+		return ctx.newBadExpr(node, "%s function should have 3 arguments", fname)
+	}
+	if !words[0].Const() || !words[1].Const() {
+		return ctx.newBadExpr(node, "%s function's from and to arguments should be constant", fname)
+	}
+	from := words[0].Strings[0]
+	to := words[1].Strings[0]
+	words[2].TrimLeftSpaces()
+	words[2].TrimRightSpaces()
+	obj := ctx.parseMakeString(node, words[2])
+	typ := obj.typ()
+	if typ == starlarkTypeString && fname == "subst" {
+		// Optimization: if it's $(subst from, to, string), emit string.replace(from, to)
+		return &callExpr{
+			object:     obj,
+			name:       "replace",
+			args:       []starlarkExpr{&stringLiteralExpr{from}, &stringLiteralExpr{to}},
+			returnType: typ,
+		}
+	}
+	return &callExpr{
+		name:       fname,
+		args:       []starlarkExpr{&stringLiteralExpr{from}, &stringLiteralExpr{to}, obj},
+		returnType: obj.typ(),
+	}
+}
+
+func (ctx *parseContext) parseWordFunc(node mkparser.Node, args *mkparser.MakeString) starlarkExpr {
+	words := args.Split(",")
+	if len(words) != 2 {
+		return ctx.newBadExpr(node, "word function should have 2 arguments")
+	}
+	var index uint64 = 0
+	if words[0].Const() {
+		index, _ = strconv.ParseUint(strings.TrimSpace(words[0].Strings[0]), 10, 64)
+	}
+	if index < 1 {
+		return ctx.newBadExpr(node, "word index should be constant positive integer")
+	}
+	words[1].TrimLeftSpaces()
+	words[1].TrimRightSpaces()
+	array := ctx.parseMakeString(node, words[1])
+	if xBad, ok := array.(*badExpr); ok {
+		return xBad
+	}
+	if array.typ() != starlarkTypeList {
+		array = &callExpr{object: array, name: "split", returnType: starlarkTypeList}
+	}
+	return indexExpr{array, &intLiteralExpr{int(index - 1)}}
+}
+
+func (ctx *parseContext) parseFirstOrLastwordFunc(node mkparser.Node, name string, args *mkparser.MakeString) starlarkExpr {
+	arg := ctx.parseMakeString(node, args)
+	if bad, ok := arg.(*badExpr); ok {
+		return bad
+	}
+	index := &intLiteralExpr{0}
+	if name == "lastword" {
+		if v, ok := arg.(*variableRefExpr); ok && v.ref.name() == "MAKEFILE_LIST" {
+			return &stringLiteralExpr{ctx.script.mkFile}
+		}
+		index.literal = -1
+	}
+	if arg.typ() == starlarkTypeList {
+		return &indexExpr{arg, index}
+	}
+	return &indexExpr{&callExpr{object: arg, name: "split", returnType: starlarkTypeList}, index}
+}
+
+func (ctx *parseContext) parseMakeString(node mkparser.Node, mk *mkparser.MakeString) starlarkExpr {
+	if mk.Const() {
+		return &stringLiteralExpr{mk.Dump()}
+	}
+	if mkRef, ok := mk.SingleVariable(); ok {
+		return ctx.parseReference(node, mkRef)
+	}
+	// If we reached here, it's neither string literal nor a simple variable,
+	// we need a full-blown interpolation node that will generate
+	// "a%b%c" % (X, Y) for a$(X)b$(Y)c
+	xInterp := &interpolateExpr{args: make([]starlarkExpr, len(mk.Variables))}
+	for i, ref := range mk.Variables {
+		arg := ctx.parseReference(node, ref.Name)
+		if x, ok := arg.(*badExpr); ok {
+			return x
+		}
+		xInterp.args[i] = arg
+	}
+	xInterp.chunks = append(xInterp.chunks, mk.Strings...)
+	return xInterp
+}
+
+// Handles the statements whose treatment is the same in all contexts: comment,
+// assignment, variable (which is a macro call in reality) and all constructs that
+// do not handle in any context ('define directive and any unrecognized stuff).
+// Return true if we handled it.
+func (ctx *parseContext) handleSimpleStatement(node mkparser.Node) bool {
+	handled := true
+	switch x := node.(type) {
+	case *mkparser.Comment:
+		ctx.insertComment("#" + x.Comment)
+	case *mkparser.Assignment:
+		ctx.handleAssignment(x)
+	case *mkparser.Variable:
+		ctx.handleVariable(x)
+	case *mkparser.Directive:
+		switch x.Name {
+		case "define":
+			ctx.handleDefine(x)
+		case "include", "-include":
+			ctx.handleInclude(node, ctx.parseMakeString(node, x.Args), x.Name[0] != '-')
+		default:
+			handled = false
+		}
+	default:
+		ctx.errorf(x, "unsupported line %s", x.Dump())
+	}
+	return handled
+}
+
+func (ctx *parseContext) insertComment(s string) {
+	ctx.receiver.newNode(&commentNode{strings.TrimSpace(s)})
+}
+
+func (ctx *parseContext) carryAsComment(failedNode mkparser.Node) {
+	for _, line := range strings.Split(failedNode.Dump(), "\n") {
+		ctx.insertComment("# " + line)
+	}
+}
+
+// records that the given node failed to be converted and includes an explanatory message
+func (ctx *parseContext) errorf(failedNode mkparser.Node, message string, args ...interface{}) {
+	if ctx.errorLogger != nil {
+		ctx.errorLogger.NewError(message, failedNode, args...)
+	}
+	message = fmt.Sprintf(message, args...)
+	ctx.insertComment(fmt.Sprintf("# MK2RBC TRANSLATION ERROR: %s", message))
+	ctx.carryAsComment(failedNode)
+	ctx.script.hasErrors = true
+}
+
+func (ctx *parseContext) wrapBadExpr(xBad *badExpr) {
+	ctx.insertComment(fmt.Sprintf("# MK2RBC TRANSLATION ERROR: %s", xBad.message))
+	ctx.carryAsComment(xBad.node)
+}
+
+func (ctx *parseContext) loadedModulePath(path string) string {
+	// During the transition to Roboleaf some of the product configuration files
+	// will be converted and checked in while the others will be generated on the fly
+	// and run. The runner  (rbcrun application) accommodates this by allowing three
+	// different ways to specify the loaded file location:
+	//  1) load(":<file>",...) loads <file> from the same directory
+	//  2) load("//path/relative/to/source/root:<file>", ...) loads <file> source tree
+	//  3) load("/absolute/path/to/<file> absolute path
+	// If the file being generated and the file it wants to load are in the same directory,
+	// generate option 1.
+	// Otherwise, if output directory is not specified, generate 2)
+	// Finally, if output directory has been specified and the file being generated and
+	// the file it wants to load from are in the different directories, generate 2) or 3):
+	//  * if the file being loaded exists in the source tree, generate 2)
+	//  * otherwise, generate 3)
+	// Finally, figure out the loaded module path and name and create a node for it
+	loadedModuleDir := filepath.Dir(path)
+	base := filepath.Base(path)
+	loadedModuleName := strings.TrimSuffix(base, filepath.Ext(base)) + ctx.outputSuffix
+	if loadedModuleDir == filepath.Dir(ctx.script.mkFile) {
+		return ":" + loadedModuleName
+	}
+	if ctx.outputDir == "" {
+		return fmt.Sprintf("//%s:%s", loadedModuleDir, loadedModuleName)
+	}
+	if _, err := os.Stat(filepath.Join(loadedModuleDir, loadedModuleName)); err == nil {
+		return fmt.Sprintf("//%s:%s", loadedModuleDir, loadedModuleName)
+	}
+	return filepath.Join(ctx.outputDir, loadedModuleDir, loadedModuleName)
+}
+
+func (ctx *parseContext) addSoongNamespace(ns string) {
+	if _, ok := ctx.soongNamespaces[ns]; ok {
+		return
+	}
+	ctx.soongNamespaces[ns] = make(map[string]bool)
+}
+
+func (ctx *parseContext) hasSoongNamespace(name string) bool {
+	_, ok := ctx.soongNamespaces[name]
+	return ok
+}
+
+func (ctx *parseContext) updateSoongNamespace(replace bool, namespaceName string, varNames []string) {
+	ctx.addSoongNamespace(namespaceName)
+	vars := ctx.soongNamespaces[namespaceName]
+	if replace {
+		vars = make(map[string]bool)
+		ctx.soongNamespaces[namespaceName] = vars
+	}
+	for _, v := range varNames {
+		vars[v] = true
+	}
+}
+
+func (ctx *parseContext) hasNamespaceVar(namespaceName string, varName string) bool {
+	vars, ok := ctx.soongNamespaces[namespaceName]
+	if ok {
+		_, ok = vars[varName]
+	}
+	return ok
+}
+
+func (ss *StarlarkScript) String() string {
+	return NewGenerateContext(ss).emit()
+}
+
+func (ss *StarlarkScript) SubConfigFiles() []string {
+
+	var subs []string
+	for _, src := range ss.inherited {
+		subs = append(subs, src.originalPath)
+	}
+	return subs
+}
+
+func (ss *StarlarkScript) HasErrors() bool {
+	return ss.hasErrors
+}
+
+// Convert reads and parses a makefile. If successful, parsed tree
+// is returned and then can be passed to String() to get the generated
+// Starlark file.
+func Convert(req Request) (*StarlarkScript, error) {
+	reader := req.Reader
+	if reader == nil {
+		mkContents, err := ioutil.ReadFile(req.MkFile)
+		if err != nil {
+			return nil, err
+		}
+		reader = bytes.NewBuffer(mkContents)
+	}
+	parser := mkparser.NewParser(req.MkFile, reader)
+	nodes, errs := parser.Parse()
+	if len(errs) > 0 {
+		for _, e := range errs {
+			fmt.Fprintln(os.Stderr, "ERROR:", e)
+		}
+		return nil, fmt.Errorf("bad makefile %s", req.MkFile)
+	}
+	starScript := &StarlarkScript{
+		moduleName:         moduleNameForFile(req.MkFile),
+		mkFile:             req.MkFile,
+		topDir:             req.RootDir,
+		traceCalls:         req.TraceCalls,
+		warnPartialSuccess: req.WarnPartialSuccess,
+		sourceFS:           req.SourceFS,
+		makefileFinder:     req.MakefileFinder,
+	}
+	ctx := newParseContext(starScript, nodes)
+	ctx.outputSuffix = req.OutputSuffix
+	ctx.outputDir = req.OutputDir
+	ctx.errorLogger = req.ErrorLogger
+	if len(req.TracedVariables) > 0 {
+		ctx.tracedVariables = make(map[string]bool)
+		for _, v := range req.TracedVariables {
+			ctx.tracedVariables[v] = true
+		}
+	}
+	ctx.pushReceiver(starScript)
+	for ctx.hasNodes() && ctx.fatalError == nil {
+		node := ctx.getNode()
+		if ctx.handleSimpleStatement(node) {
+			continue
+		}
+		switch x := node.(type) {
+		case *mkparser.Directive:
+			switch x.Name {
+			case "ifeq", "ifneq", "ifdef", "ifndef":
+				ctx.handleIfBlock(x)
+			default:
+				ctx.errorf(x, "unexpected directive %s", x.Name)
+			}
+		default:
+			ctx.errorf(x, "unsupported line")
+		}
+	}
+	if ctx.fatalError != nil {
+		return nil, ctx.fatalError
+	}
+	return starScript, nil
+}
+
+func Launcher(path, name string) string {
+	var buf bytes.Buffer
+	fmt.Fprintf(&buf, "load(%q, %q)\n", baseUri, baseName)
+	fmt.Fprintf(&buf, "load(%q, \"init\")\n", path)
+	fmt.Fprintf(&buf, "g, config = %s(%q, init)\n", cfnMain, name)
+	fmt.Fprintf(&buf, "%s(g, config)\n", cfnPrintVars)
+	return buf.String()
+}
+
+func MakePath2ModuleName(mkPath string) string {
+	return strings.TrimSuffix(mkPath, filepath.Ext(mkPath))
+}
diff --git a/mk2rbc/mk2rbc_test.go b/mk2rbc/mk2rbc_test.go
new file mode 100644
index 0000000..a14c7a4
--- /dev/null
+++ b/mk2rbc/mk2rbc_test.go
@@ -0,0 +1,1007 @@
+// Copyright 2021 Google LLC
+//
+// 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 mk2rbc
+
+import (
+	"bytes"
+	"io/fs"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+var testCases = []struct {
+	desc     string
+	mkname   string
+	in       string
+	expected string
+}{
+	{
+		desc:   "Comment",
+		mkname: "product.mk",
+		in: `
+# Comment
+# FOO= a\
+     b
+`,
+		expected: `# Comment
+# FOO= a
+#     b
+load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+`,
+	},
+	{
+		desc:   "Name conversion",
+		mkname: "path/bar-baz.mk",
+		in: `
+# Comment
+`,
+		expected: `# Comment
+load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+`,
+	},
+	{
+		desc:   "Item variable",
+		mkname: "pixel3.mk",
+		in: `
+PRODUCT_NAME := Pixel 3
+PRODUCT_MODEL :=
+local_var = foo
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  cfg["PRODUCT_NAME"] = "Pixel 3"
+  cfg["PRODUCT_MODEL"] = ""
+  _local_var = "foo"
+`,
+	},
+	{
+		desc:   "List variable",
+		mkname: "pixel4.mk",
+		in: `
+PRODUCT_PACKAGES = package1  package2
+PRODUCT_COPY_FILES += file2:target
+PRODUCT_PACKAGES += package3
+PRODUCT_COPY_FILES =
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  cfg["PRODUCT_PACKAGES"] = [
+      "package1",
+      "package2",
+  ]
+  rblf.setdefault(handle, "PRODUCT_COPY_FILES")
+  cfg["PRODUCT_COPY_FILES"] += ["file2:target"]
+  cfg["PRODUCT_PACKAGES"] += ["package3"]
+  cfg["PRODUCT_COPY_FILES"] = []
+`,
+	},
+	{
+		desc:   "Unknown function",
+		mkname: "product.mk",
+		in: `
+PRODUCT_NAME := $(call foo1, bar)
+PRODUCT_NAME := $(call foo0)
+`,
+		expected: `# MK2RBC TRANSLATION ERROR: cannot handle invoking foo1
+# PRODUCT_NAME := $(call foo1, bar)
+# MK2RBC TRANSLATION ERROR: cannot handle invoking foo0
+# PRODUCT_NAME := $(call foo0)
+load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  rblf.warning("product.mk", "partially successful conversion")
+`,
+	},
+	{
+		desc:   "Inherit configuration always",
+		mkname: "product.mk",
+		in: `
+ifdef PRODUCT_NAME
+$(call inherit-product, part.mk)
+else # Comment
+$(call inherit-product, $(LOCAL_PATH)/part.mk)
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+load(":part.star", _part_init = "init")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if g.get("PRODUCT_NAME") != None:
+    rblf.inherit(handle, "part", _part_init)
+  else:
+    # Comment
+    rblf.inherit(handle, "part", _part_init)
+`,
+	},
+	{
+		desc:   "Inherit configuration if it exists",
+		mkname: "product.mk",
+		in: `
+$(call inherit-product-if-exists, part.mk)
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+load(":part.star|init", _part_init = "init")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if _part_init:
+    rblf.inherit(handle, "part", _part_init)
+`,
+	},
+
+	{
+		desc:   "Include configuration",
+		mkname: "product.mk",
+		in: `
+ifdef PRODUCT_NAME
+include part.mk
+else
+-include $(LOCAL_PATH)/part.mk)
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+load(":part.star|init", _part_init = "init")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if g.get("PRODUCT_NAME") != None:
+    _part_init(g, handle)
+  else:
+    if _part_init != None:
+      _part_init(g, handle)
+`,
+	},
+
+	{
+		desc:   "Synonymous inherited configurations",
+		mkname: "path/product.mk",
+		in: `
+$(call inherit-product, */font.mk)
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+load("//foo:font.star", _font_init = "init")
+load("//bar:font.star", _font1_init = "init")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  rblf.inherit(handle, "foo/font", _font_init)
+  rblf.inherit(handle, "bar/font", _font1_init)
+`,
+	},
+	{
+		desc:   "Directive define",
+		mkname: "product.mk",
+		in: `
+define some-macro
+    $(info foo)
+endef
+`,
+		expected: `# MK2RBC TRANSLATION ERROR: define is not supported: some-macro
+# define  some-macro
+#     $(info foo)
+# endef
+load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  rblf.warning("product.mk", "partially successful conversion")
+`,
+	},
+	{
+		desc:   "Ifdef",
+		mkname: "product.mk",
+		in: `
+ifdef  PRODUCT_NAME
+  PRODUCT_NAME = gizmo
+else
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if g.get("PRODUCT_NAME") != None:
+    cfg["PRODUCT_NAME"] = "gizmo"
+  else:
+    pass
+`,
+	},
+	{
+		desc:   "Simple functions",
+		mkname: "product.mk",
+		in: `
+$(warning this is the warning)
+$(warning)
+$(info this is the info)
+$(error this is the error)
+PRODUCT_NAME:=$(shell echo *)
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  rblf.mkwarning("product.mk", "this is the warning")
+  rblf.mkwarning("product.mk", "")
+  rblf.mkinfo("product.mk", "this is the info")
+  rblf.mkerror("product.mk", "this is the error")
+  cfg["PRODUCT_NAME"] = rblf.shell("echo *")
+`,
+	},
+	{
+		desc:   "Empty if",
+		mkname: "product.mk",
+		in: `
+ifdef PRODUCT_NAME
+# Comment
+else
+  TARGET_COPY_OUT_VENDOR := foo
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if g.get("PRODUCT_NAME") != None:
+    # Comment
+    pass
+  else:
+    # MK2RBC TRANSLATION ERROR: cannot set predefined variable TARGET_COPY_OUT_VENDOR to "foo", its value should be "||VENDOR-PATH-PH||"
+    pass
+  rblf.warning("product.mk", "partially successful conversion")
+`,
+	},
+	{
+		desc:   "if/else/endif",
+		mkname: "product.mk",
+		in: `
+ifndef PRODUCT_NAME
+  PRODUCT_NAME=gizmo1
+else
+  PRODUCT_NAME=gizmo2
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if not g.get("PRODUCT_NAME") != None:
+    cfg["PRODUCT_NAME"] = "gizmo1"
+  else:
+    cfg["PRODUCT_NAME"] = "gizmo2"
+`,
+	},
+	{
+		desc:   "else if",
+		mkname: "product.mk",
+		in: `
+ifdef  PRODUCT_NAME
+  PRODUCT_NAME = gizmo
+else ifndef PRODUCT_PACKAGES   # Comment
+endif
+	`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if g.get("PRODUCT_NAME") != None:
+    cfg["PRODUCT_NAME"] = "gizmo"
+  elif not g.get("PRODUCT_PACKAGES") != None:
+    # Comment
+    pass
+`,
+	},
+	{
+		desc:   "ifeq / ifneq",
+		mkname: "product.mk",
+		in: `
+ifeq (aosp_arm, $(TARGET_PRODUCT))
+  PRODUCT_MODEL = pix2
+else
+  PRODUCT_MODEL = pix21
+endif
+ifneq (aosp_x86, $(TARGET_PRODUCT))
+  PRODUCT_MODEL = pix3
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if "aosp_arm" == g["TARGET_PRODUCT"]:
+    cfg["PRODUCT_MODEL"] = "pix2"
+  else:
+    cfg["PRODUCT_MODEL"] = "pix21"
+  if "aosp_x86" != g["TARGET_PRODUCT"]:
+    cfg["PRODUCT_MODEL"] = "pix3"
+`,
+	},
+	{
+		desc:   "Check filter result",
+		mkname: "product.mk",
+		in: `
+ifeq (,$(filter userdebug eng, $(TARGET_BUILD_VARIANT)))
+endif
+ifneq (,$(filter userdebug,$(TARGET_BUILD_VARIANT))
+endif
+ifneq (,$(filter plaf,$(PLATFORM_LIST)))
+endif
+ifeq ($(TARGET_BUILD_VARIANT), $(filter $(TARGET_BUILD_VARIANT), userdebug eng))
+endif
+ifneq (,$(filter true, $(v1)$(v2)))
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if g["TARGET_BUILD_VARIANT"] not in ["userdebug", "eng"]:
+    pass
+  if g["TARGET_BUILD_VARIANT"] == "userdebug":
+    pass
+  if "plaf" in g.get("PLATFORM_LIST", []):
+    pass
+  if g["TARGET_BUILD_VARIANT"] in ["userdebug", "eng"]:
+    pass
+  if "%s%s" % (_v1, _v2) == "true":
+    pass
+`,
+	},
+	{
+		desc:   "Get filter result",
+		mkname: "product.mk",
+		in: `
+PRODUCT_LIST2=$(filter-out %/foo.ko,$(wildcard path/*.ko))
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  cfg["PRODUCT_LIST2"] = rblf.filter_out("%/foo.ko", rblf.expand_wildcard("path/*.ko"))
+`,
+	},
+	{
+		desc:   "filter $(VAR), values",
+		mkname: "product.mk",
+		in: `
+ifeq (,$(filter $(TARGET_PRODUCT), yukawa_gms yukawa_sei510_gms)
+  ifneq (,$(filter $(TARGET_PRODUCT), yukawa_gms)
+  endif
+endif
+
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if g["TARGET_PRODUCT"] not in ["yukawa_gms", "yukawa_sei510_gms"]:
+    if g["TARGET_PRODUCT"] == "yukawa_gms":
+      pass
+`,
+	},
+	{
+		desc:   "filter $(V1), $(V2)",
+		mkname: "product.mk",
+		in: `
+ifneq (, $(filter $(PRODUCT_LIST), $(TARGET_PRODUCT)))
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if rblf.filter(g.get("PRODUCT_LIST", ""), g["TARGET_PRODUCT"]):
+    pass
+`,
+	},
+	{
+		desc:   "ifeq",
+		mkname: "product.mk",
+		in: `
+ifeq (aosp, $(TARGET_PRODUCT)) # Comment
+else ifneq (, $(TARGET_PRODUCT))
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if "aosp" == g["TARGET_PRODUCT"]:
+    # Comment
+    pass
+  elif g["TARGET_PRODUCT"]:
+    pass
+`,
+	},
+	{
+		desc:   "Nested if",
+		mkname: "product.mk",
+		in: `
+ifdef PRODUCT_NAME
+  PRODUCT_PACKAGES = pack-if0
+  ifdef PRODUCT_MODEL
+    PRODUCT_PACKAGES = pack-if-if
+  else ifdef PRODUCT_NAME
+    PRODUCT_PACKAGES = pack-if-elif
+  else
+    PRODUCT_PACKAGES = pack-if-else
+  endif
+  PRODUCT_PACKAGES = pack-if
+else ifneq (,$(TARGET_PRODUCT))
+  PRODUCT_PACKAGES = pack-elif
+else
+  PRODUCT_PACKAGES = pack-else
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if g.get("PRODUCT_NAME") != None:
+    cfg["PRODUCT_PACKAGES"] = ["pack-if0"]
+    if g.get("PRODUCT_MODEL") != None:
+      cfg["PRODUCT_PACKAGES"] = ["pack-if-if"]
+    elif g.get("PRODUCT_NAME") != None:
+      cfg["PRODUCT_PACKAGES"] = ["pack-if-elif"]
+    else:
+      cfg["PRODUCT_PACKAGES"] = ["pack-if-else"]
+    cfg["PRODUCT_PACKAGES"] = ["pack-if"]
+  elif g["TARGET_PRODUCT"]:
+    cfg["PRODUCT_PACKAGES"] = ["pack-elif"]
+  else:
+    cfg["PRODUCT_PACKAGES"] = ["pack-else"]
+`,
+	},
+	{
+		desc:   "Wildcard",
+		mkname: "product.mk",
+		in: `
+ifeq (,$(wildcard foo.mk))
+endif
+ifneq (,$(wildcard foo*.mk))
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if not rblf.file_exists("foo.mk"):
+    pass
+  if rblf.file_wildcard_exists("foo*.mk"):
+    pass
+`,
+	},
+	{
+		desc:   "ifneq $(X),true",
+		mkname: "product.mk",
+		in: `
+ifneq ($(VARIABLE),true)
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if g.get("VARIABLE", "") != "true":
+    pass
+`,
+	},
+	{
+		desc:   "Const neq",
+		mkname: "product.mk",
+		in: `
+ifneq (1,0)
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if "1" != "0":
+    pass
+`,
+	},
+	{
+		desc:   "is-board calls",
+		mkname: "product.mk",
+		in: `
+ifeq ($(call is-board-platform-in-list,msm8998), true)
+else ifneq ($(call is-board-platform,copper),true)
+else ifneq ($(call is-vendor-board-platform,QCOM),true)
+else ifeq ($(call is-product-in-list, $(PLATFORM_LIST)), true)
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if g.get("TARGET_BOARD_PLATFORM", "") in ["msm8998"]:
+    pass
+  elif g.get("TARGET_BOARD_PLATFORM", "") != "copper":
+    pass
+  elif g.get("TARGET_BOARD_PLATFORM", "") not in g["QCOM_BOARD_PLATFORMS"]:
+    pass
+  elif g["TARGET_PRODUCT"] in g.get("PLATFORM_LIST", []):
+    pass
+`,
+	},
+	{
+		desc:   "findstring call",
+		mkname: "product.mk",
+		in: `
+ifneq ($(findstring foo,$(PRODUCT_PACKAGES)),)
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if (cfg.get("PRODUCT_PACKAGES", [])).find("foo") != -1:
+    pass
+`,
+	},
+	{
+		desc:   "rhs call",
+		mkname: "product.mk",
+		in: `
+PRODUCT_COPY_FILES = $(call add-to-product-copy-files-if-exists, path:distpath) \
+ $(call find-copy-subdir-files, *, fromdir, todir) $(wildcard foo.*)
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  cfg["PRODUCT_COPY_FILES"] = (rblf.copy_if_exists("path:distpath") +
+      rblf.find_and_copy("*", "fromdir", "todir") +
+      rblf.expand_wildcard("foo.*"))
+`,
+	},
+	{
+		desc:   "inferred type",
+		mkname: "product.mk",
+		in: `
+HIKEY_MODS := $(wildcard foo/*.ko)
+BOARD_VENDOR_KERNEL_MODULES += $(HIKEY_MODS)
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  g["HIKEY_MODS"] = rblf.expand_wildcard("foo/*.ko")
+  g.setdefault("BOARD_VENDOR_KERNEL_MODULES", [])
+  g["BOARD_VENDOR_KERNEL_MODULES"] += g["HIKEY_MODS"]
+`,
+	},
+	{
+		desc:   "list with vars",
+		mkname: "product.mk",
+		in: `
+PRODUCT_COPY_FILES += path1:$(TARGET_PRODUCT)/path1 $(PRODUCT_MODEL)/path2:$(TARGET_PRODUCT)/path2
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  rblf.setdefault(handle, "PRODUCT_COPY_FILES")
+  cfg["PRODUCT_COPY_FILES"] += (("path1:%s/path1" % g["TARGET_PRODUCT"]).split() +
+      ("%s/path2:%s/path2" % (cfg.get("PRODUCT_MODEL", ""), g["TARGET_PRODUCT"])).split())
+`,
+	},
+	{
+		desc:   "misc calls",
+		mkname: "product.mk",
+		in: `
+$(call enforce-product-packages-exist,)
+$(call enforce-product-packages-exist, foo)
+$(call require-artifacts-in-path, foo, bar)
+$(call require-artifacts-in-path-relaxed, foo, bar)
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  rblf.enforce_product_packages_exist("")
+  rblf.enforce_product_packages_exist("foo")
+  rblf.require_artifacts_in_path("foo", "bar")
+  rblf.require_artifacts_in_path_relaxed("foo", "bar")
+`,
+	},
+	{
+		desc:   "list with functions",
+		mkname: "product.mk",
+		in: `
+PRODUCT_COPY_FILES := $(call find-copy-subdir-files,*.kl,from1,to1) \
+ $(call find-copy-subdir-files,*.kc,from2,to2) \
+ foo bar
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  cfg["PRODUCT_COPY_FILES"] = (rblf.find_and_copy("*.kl", "from1", "to1") +
+      rblf.find_and_copy("*.kc", "from2", "to2") +
+      [
+          "foo",
+          "bar",
+      ])
+`,
+	},
+	{
+		desc:   "Text functions",
+		mkname: "product.mk",
+		in: `
+PRODUCT_COPY_FILES := $(addprefix pfx-,a b c)
+PRODUCT_COPY_FILES := $(addsuffix .sff, a b c)
+PRODUCT_NAME := $(word 1, $(subst ., ,$(TARGET_BOARD_PLATFORM)))
+$(info $(patsubst %.pub,%,$(PRODUCT_ADB_KEYS)))
+$(info $(dir foo/bar))
+$(info $(firstword $(PRODUCT_COPY_FILES)))
+$(info $(lastword $(PRODUCT_COPY_FILES)))
+$(info $(dir $(lastword $(MAKEFILE_LIST))))
+$(info $(dir $(lastword $(PRODUCT_COPY_FILES))))
+$(info $(dir $(lastword $(foobar))))
+$(info $(abspath foo/bar))
+$(info $(notdir foo/bar))
+$(call add_soong_config_namespace,snsconfig)
+$(call add_soong_config_var_value,snsconfig,imagetype,odm_image)
+PRODUCT_COPY_FILES := $(call copy-files,$(wildcard foo*.mk),etc)
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  cfg["PRODUCT_COPY_FILES"] = rblf.addprefix("pfx-", "a b c")
+  cfg["PRODUCT_COPY_FILES"] = rblf.addsuffix(".sff", "a b c")
+  cfg["PRODUCT_NAME"] = ((g.get("TARGET_BOARD_PLATFORM", "")).replace(".", " ")).split()[0]
+  rblf.mkinfo("product.mk", rblf.mkpatsubst("%.pub", "%", g.get("PRODUCT_ADB_KEYS", "")))
+  rblf.mkinfo("product.mk", rblf.dir("foo/bar"))
+  rblf.mkinfo("product.mk", cfg["PRODUCT_COPY_FILES"][0])
+  rblf.mkinfo("product.mk", cfg["PRODUCT_COPY_FILES"][-1])
+  rblf.mkinfo("product.mk", rblf.dir("product.mk"))
+  rblf.mkinfo("product.mk", rblf.dir(cfg["PRODUCT_COPY_FILES"][-1]))
+  rblf.mkinfo("product.mk", rblf.dir((_foobar).split()[-1]))
+  rblf.mkinfo("product.mk", rblf.abspath("foo/bar"))
+  rblf.mkinfo("product.mk", rblf.notdir("foo/bar"))
+  rblf.add_soong_config_namespace(g, "snsconfig")
+  rblf.add_soong_config_var_value(g, "snsconfig", "imagetype", "odm_image")
+  cfg["PRODUCT_COPY_FILES"] = rblf.copy_files(rblf.expand_wildcard("foo*.mk"), "etc")
+`,
+	},
+	{
+		desc:   "subst in list",
+		mkname: "product.mk",
+		in: `
+files = $(call find-copy-subdir-files,*,from,to)
+PRODUCT_COPY_FILES += $(subst foo,bar,$(files))
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  _files = rblf.find_and_copy("*", "from", "to")
+  rblf.setdefault(handle, "PRODUCT_COPY_FILES")
+  cfg["PRODUCT_COPY_FILES"] += rblf.mksubst("foo", "bar", _files)
+`,
+	},
+	{
+		desc:   "assignment flavors",
+		mkname: "product.mk",
+		in: `
+PRODUCT_LIST1 := a
+PRODUCT_LIST2 += a
+PRODUCT_LIST1 += b
+PRODUCT_LIST2 += b
+PRODUCT_LIST3 ?= a
+PRODUCT_LIST1 = c
+PLATFORM_LIST += x
+PRODUCT_PACKAGES := $(PLATFORM_LIST)
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  cfg["PRODUCT_LIST1"] = ["a"]
+  rblf.setdefault(handle, "PRODUCT_LIST2")
+  cfg["PRODUCT_LIST2"] += ["a"]
+  cfg["PRODUCT_LIST1"] += ["b"]
+  cfg["PRODUCT_LIST2"] += ["b"]
+  if cfg.get("PRODUCT_LIST3") == None:
+    cfg["PRODUCT_LIST3"] = ["a"]
+  cfg["PRODUCT_LIST1"] = ["c"]
+  g.setdefault("PLATFORM_LIST", [])
+  g["PLATFORM_LIST"] += ["x"]
+  cfg["PRODUCT_PACKAGES"] = g["PLATFORM_LIST"][:]
+`,
+	},
+	{
+		desc:   "assigment flavors2",
+		mkname: "product.mk",
+		in: `
+PRODUCT_LIST1 = a
+ifeq (0,1)
+  PRODUCT_LIST1 += b
+  PRODUCT_LIST2 += b
+endif
+PRODUCT_LIST1 += c
+PRODUCT_LIST2 += c
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  cfg["PRODUCT_LIST1"] = ["a"]
+  if "0" == "1":
+    cfg["PRODUCT_LIST1"] += ["b"]
+    rblf.setdefault(handle, "PRODUCT_LIST2")
+    cfg["PRODUCT_LIST2"] += ["b"]
+  cfg["PRODUCT_LIST1"] += ["c"]
+  rblf.setdefault(handle, "PRODUCT_LIST2")
+  cfg["PRODUCT_LIST2"] += ["c"]
+`,
+	},
+	{
+		desc:   "soong namespace assignments",
+		mkname: "product.mk",
+		in: `
+SOONG_CONFIG_NAMESPACES += cvd
+SOONG_CONFIG_cvd += launch_configs
+SOONG_CONFIG_cvd_launch_configs += cvd_config_auto.json
+SOONG_CONFIG_cvd += grub_config
+SOONG_CONFIG_cvd_grub_config += grub.cfg
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  rblf.add_soong_config_namespace(g, "cvd")
+  rblf.add_soong_config_var_value(g, "cvd", "launch_configs", "cvd_config_auto.json")
+  rblf.add_soong_config_var_value(g, "cvd", "grub_config", "grub.cfg")
+`,
+	},
+	{
+		desc:   "string split",
+		mkname: "product.mk",
+		in: `
+PRODUCT_LIST1 = a
+local = b
+local += c
+FOO = d
+FOO += e
+PRODUCT_LIST1 += $(local)
+PRODUCT_LIST1 += $(FOO)
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  cfg["PRODUCT_LIST1"] = ["a"]
+  _local = "b"
+  _local += " " + "c"
+  g["FOO"] = "d"
+  g["FOO"] += " " + "e"
+  cfg["PRODUCT_LIST1"] += (_local).split()
+  cfg["PRODUCT_LIST1"] += (g["FOO"]).split()
+`,
+	},
+	{
+		desc:   "apex_jars",
+		mkname: "product.mk",
+		in: `
+PRODUCT_BOOT_JARS := $(ART_APEX_JARS) framework-minus-apex
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  cfg["PRODUCT_BOOT_JARS"] = (g.get("ART_APEX_JARS", []) +
+      ["framework-minus-apex"])
+`,
+	},
+	{
+		desc:   "strip function",
+		mkname: "product.mk",
+		in: `
+ifeq ($(filter hwaddress,$(PRODUCT_PACKAGES)),)
+   PRODUCT_PACKAGES := $(strip $(PRODUCT_PACKAGES) hwaddress)
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if "hwaddress" not in cfg.get("PRODUCT_PACKAGES", []):
+    cfg["PRODUCT_PACKAGES"] = (rblf.mkstrip("%s hwaddress" % " ".join(cfg.get("PRODUCT_PACKAGES", [])))).split()
+`,
+	},
+	{
+		desc:   "strip func in condition",
+		mkname: "product.mk",
+		in: `
+ifneq ($(strip $(TARGET_VENDOR)),)
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  if rblf.mkstrip(g.get("TARGET_VENDOR", "")):
+    pass
+`,
+	},
+	{
+		desc:   "ref after set",
+		mkname: "product.mk",
+		in: `
+PRODUCT_ADB_KEYS:=value
+FOO := $(PRODUCT_ADB_KEYS)
+ifneq (,$(PRODUCT_ADB_KEYS))
+endif
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  g["PRODUCT_ADB_KEYS"] = "value"
+  g["FOO"] = g["PRODUCT_ADB_KEYS"]
+  if g["PRODUCT_ADB_KEYS"]:
+    pass
+`,
+	},
+	{
+		desc:   "ref before set",
+		mkname: "product.mk",
+		in: `
+V1 := $(PRODUCT_ADB_KEYS)
+ifeq (,$(PRODUCT_ADB_KEYS))
+  V2 := $(PRODUCT_ADB_KEYS)
+  PRODUCT_ADB_KEYS:=foo
+  V3 := $(PRODUCT_ADB_KEYS)
+endif`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  g["V1"] = g.get("PRODUCT_ADB_KEYS", "")
+  if not g.get("PRODUCT_ADB_KEYS", ""):
+    g["V2"] = g.get("PRODUCT_ADB_KEYS", "")
+    g["PRODUCT_ADB_KEYS"] = "foo"
+    g["V3"] = g["PRODUCT_ADB_KEYS"]
+`,
+	},
+	{
+		desc:   "Dynamic inherit path",
+		mkname: "product.mk",
+		in: `
+MY_PATH=foo
+$(call inherit-product,vendor/$(MY_PATH)/cfg.mk)
+`,
+		expected: `load("//build/make/core:product_config.rbc", "rblf")
+load("//vendor/foo1:cfg.star|init", _cfg_init = "init")
+load("//vendor/bar/baz:cfg.star|init", _cfg1_init = "init")
+
+def init(g, handle):
+  cfg = rblf.cfg(handle)
+  g["MY_PATH"] = "foo"
+  _entry = {
+    "vendor/foo1/cfg.mk": ("_cfg", _cfg_init),
+    "vendor/bar/baz/cfg.mk": ("_cfg1", _cfg1_init),
+  }.get("vendor/%s/cfg.mk" % g["MY_PATH"])
+  (_varmod, _varmod_init) = _entry if _entry else (None, None)
+  if not _varmod_init:
+    rblf.mkerror("cannot")
+  rblf.inherit(handle, _varmod, _varmod_init)
+`,
+	},
+}
+
+var known_variables = []struct {
+	name  string
+	class varClass
+	starlarkType
+}{
+	{"PRODUCT_NAME", VarClassConfig, starlarkTypeString},
+	{"PRODUCT_MODEL", VarClassConfig, starlarkTypeString},
+	{"PRODUCT_PACKAGES", VarClassConfig, starlarkTypeList},
+	{"PRODUCT_BOOT_JARS", VarClassConfig, starlarkTypeList},
+	{"PRODUCT_COPY_FILES", VarClassConfig, starlarkTypeList},
+	{"PRODUCT_IS_64BIT", VarClassConfig, starlarkTypeString},
+	{"PRODUCT_LIST1", VarClassConfig, starlarkTypeList},
+	{"PRODUCT_LIST2", VarClassConfig, starlarkTypeList},
+	{"PRODUCT_LIST3", VarClassConfig, starlarkTypeList},
+	{"TARGET_PRODUCT", VarClassSoong, starlarkTypeString},
+	{"TARGET_BUILD_VARIANT", VarClassSoong, starlarkTypeString},
+	{"TARGET_BOARD_PLATFORM", VarClassSoong, starlarkTypeString},
+	{"QCOM_BOARD_PLATFORMS", VarClassSoong, starlarkTypeString},
+	{"PLATFORM_LIST", VarClassSoong, starlarkTypeList}, // TODO(asmundak): make it local instead of soong
+}
+
+type testMakefileFinder struct {
+	fs    fs.FS
+	root  string
+	files []string
+}
+
+func (t *testMakefileFinder) Find(root string) []string {
+	if t.files != nil || root == t.root {
+		return t.files
+	}
+	t.files = make([]string, 0)
+	fs.WalkDir(t.fs, root, func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		if d.IsDir() {
+			base := filepath.Base(path)
+			if base[0] == '.' && len(base) > 1 {
+				return fs.SkipDir
+			}
+			return nil
+		}
+		if strings.HasSuffix(path, ".mk") {
+			t.files = append(t.files, path)
+		}
+		return nil
+	})
+	return t.files
+}
+
+func TestGood(t *testing.T) {
+	for _, v := range known_variables {
+		KnownVariables.NewVariable(v.name, v.class, v.starlarkType)
+	}
+	fs := NewFindMockFS([]string{
+		"vendor/foo1/cfg.mk",
+		"vendor/bar/baz/cfg.mk",
+		"part.mk",
+		"foo/font.mk",
+		"bar/font.mk",
+	})
+	for _, test := range testCases {
+		t.Run(test.desc,
+			func(t *testing.T) {
+				ss, err := Convert(Request{
+					MkFile:             test.mkname,
+					Reader:             bytes.NewBufferString(test.in),
+					RootDir:            ".",
+					OutputSuffix:       ".star",
+					WarnPartialSuccess: true,
+					SourceFS:           fs,
+					MakefileFinder:     &testMakefileFinder{fs: fs},
+				})
+				if err != nil {
+					t.Error(err)
+					return
+				}
+				got := ss.String()
+				if got != test.expected {
+					t.Errorf("%q failed\nExpected:\n%s\nActual:\n%s\n", test.desc,
+						strings.ReplaceAll(test.expected, "\n", "␤\n"),
+						strings.ReplaceAll(got, "\n", "␤\n"))
+				}
+			})
+	}
+}
diff --git a/mk2rbc/node.go b/mk2rbc/node.go
new file mode 100644
index 0000000..8efe207
--- /dev/null
+++ b/mk2rbc/node.go
@@ -0,0 +1,306 @@
+// Copyright 2021 Google LLC
+//
+// 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 mk2rbc
+
+import (
+	"fmt"
+	"strings"
+
+	mkparser "android/soong/androidmk/parser"
+)
+
+// A parsed node for which starlark code will be generated
+// by calling emit().
+type starlarkNode interface {
+	emit(ctx *generationContext)
+}
+
+// Types used to keep processed makefile data:
+type commentNode struct {
+	text string
+}
+
+func (c *commentNode) emit(gctx *generationContext) {
+	chunks := strings.Split(c.text, "\\\n")
+	gctx.newLine()
+	gctx.write(chunks[0]) // It has '#' at the beginning already.
+	for _, chunk := range chunks[1:] {
+		gctx.newLine()
+		gctx.write("#", chunk)
+	}
+}
+
+type moduleInfo struct {
+	path            string // Converted Starlark file path
+	originalPath    string // Makefile file path
+	moduleLocalName string
+	optional        bool
+}
+
+func (im moduleInfo) entryName() string {
+	return im.moduleLocalName + "_init"
+}
+
+type inheritedModule interface {
+	name() string
+	entryName() string
+	emitSelect(gctx *generationContext)
+	isLoadAlways() bool
+}
+
+type inheritedStaticModule struct {
+	*moduleInfo
+	loadAlways bool
+}
+
+func (im inheritedStaticModule) name() string {
+	return fmt.Sprintf("%q", MakePath2ModuleName(im.originalPath))
+}
+
+func (im inheritedStaticModule) emitSelect(_ *generationContext) {
+}
+
+func (im inheritedStaticModule) isLoadAlways() bool {
+	return im.loadAlways
+}
+
+type inheritedDynamicModule struct {
+	path             interpolateExpr
+	candidateModules []*moduleInfo
+	loadAlways       bool
+}
+
+func (i inheritedDynamicModule) name() string {
+	return "_varmod"
+}
+
+func (i inheritedDynamicModule) entryName() string {
+	return i.name() + "_init"
+}
+
+func (i inheritedDynamicModule) emitSelect(gctx *generationContext) {
+	gctx.newLine()
+	gctx.writef("_entry = {")
+	gctx.indentLevel++
+	for _, mi := range i.candidateModules {
+		gctx.newLine()
+		gctx.writef(`"%s": (%q, %s),`, mi.originalPath, mi.moduleLocalName, mi.entryName())
+	}
+	gctx.indentLevel--
+	gctx.newLine()
+	gctx.write("}.get(")
+	i.path.emit(gctx)
+	gctx.write(")")
+	gctx.newLine()
+	gctx.writef("(%s, %s) = _entry if _entry else (None, None)", i.name(), i.entryName())
+	if i.loadAlways {
+		gctx.newLine()
+		gctx.writef("if not %s:", i.entryName())
+		gctx.indentLevel++
+		gctx.newLine()
+		gctx.write(`rblf.mkerror("cannot")`)
+		gctx.indentLevel--
+	}
+}
+
+func (i inheritedDynamicModule) isLoadAlways() bool {
+	return i.loadAlways
+}
+
+type inheritNode struct {
+	module inheritedModule
+}
+
+func (inn *inheritNode) emit(gctx *generationContext) {
+	// Unconditional case:
+	//    rblf.inherit(handle, <module>, module_init)
+	// Conditional case:
+	//    if <module>_init != None:
+	//      same as above
+	inn.module.emitSelect(gctx)
+
+	name := inn.module.name()
+	entry := inn.module.entryName()
+	gctx.newLine()
+	if inn.module.isLoadAlways() {
+		gctx.writef("%s(handle, %s, %s)", cfnInherit, name, entry)
+		return
+	}
+
+	gctx.writef("if %s:", entry)
+	gctx.indentLevel++
+	gctx.newLine()
+	gctx.writef("%s(handle, %s, %s)", cfnInherit, name, entry)
+	gctx.indentLevel--
+}
+
+type includeNode struct {
+	module inheritedModule
+}
+
+func (inn *includeNode) emit(gctx *generationContext) {
+	inn.module.emitSelect(gctx)
+	entry := inn.module.entryName()
+	gctx.newLine()
+	if inn.module.isLoadAlways() {
+		gctx.writef("%s(g, handle)", entry)
+		return
+	}
+
+	gctx.writef("if %s != None:", entry)
+	gctx.indentLevel++
+	gctx.newLine()
+	gctx.writef("%s(g, handle)", entry)
+	gctx.indentLevel--
+}
+
+type assignmentFlavor int
+
+const (
+	// Assignment flavors
+	asgnSet         assignmentFlavor = iota // := or =
+	asgnMaybeSet    assignmentFlavor = iota // ?= and variable may be unset
+	asgnAppend      assignmentFlavor = iota // += and variable has been set before
+	asgnMaybeAppend assignmentFlavor = iota // += and variable may be unset
+)
+
+type assignmentNode struct {
+	lhs      variable
+	value    starlarkExpr
+	mkValue  *mkparser.MakeString
+	flavor   assignmentFlavor
+	isTraced bool
+	previous *assignmentNode
+}
+
+func (asgn *assignmentNode) emit(gctx *generationContext) {
+	gctx.newLine()
+	gctx.inAssignment = true
+	asgn.lhs.emitSet(gctx, asgn)
+	gctx.inAssignment = false
+
+	if asgn.isTraced {
+		gctx.newLine()
+		gctx.tracedCount++
+		gctx.writef(`print("%s.%d: %s := ", `, gctx.starScript.mkFile, gctx.tracedCount, asgn.lhs.name())
+		asgn.lhs.emitGet(gctx, true)
+		gctx.writef(")")
+	}
+}
+
+type exprNode struct {
+	expr starlarkExpr
+}
+
+func (exn *exprNode) emit(gctx *generationContext) {
+	gctx.newLine()
+	exn.expr.emit(gctx)
+}
+
+type ifNode struct {
+	isElif bool // true if this is 'elif' statement
+	expr   starlarkExpr
+}
+
+func (in *ifNode) emit(gctx *generationContext) {
+	ifElif := "if "
+	if in.isElif {
+		ifElif = "elif "
+	}
+
+	gctx.newLine()
+	if bad, ok := in.expr.(*badExpr); ok {
+		gctx.write("# MK2STAR ERROR converting:")
+		gctx.newLine()
+		gctx.writef("#   %s", bad.node.Dump())
+		gctx.newLine()
+		gctx.writef("# %s", bad.message)
+		gctx.newLine()
+		// The init function emits a warning if the conversion was not
+		// fullly successful, so here we (arbitrarily) take the false path.
+		gctx.writef("%sFalse:", ifElif)
+		return
+	}
+	gctx.write(ifElif)
+	in.expr.emit(gctx)
+	gctx.write(":")
+}
+
+type elseNode struct{}
+
+func (br *elseNode) emit(gctx *generationContext) {
+	gctx.newLine()
+	gctx.write("else:")
+}
+
+// switchCase represents as single if/elseif/else branch. All the necessary
+// info about flavor (if/elseif/else) is supposed to be kept in `gate`.
+type switchCase struct {
+	gate  starlarkNode
+	nodes []starlarkNode
+}
+
+func (cb *switchCase) newNode(node starlarkNode) {
+	cb.nodes = append(cb.nodes, node)
+}
+
+func (cb *switchCase) emit(gctx *generationContext) {
+	cb.gate.emit(gctx)
+	gctx.indentLevel++
+	hasStatements := false
+	emitNode := func(node starlarkNode) {
+		if _, ok := node.(*commentNode); !ok {
+			hasStatements = true
+		}
+		node.emit(gctx)
+	}
+	if len(cb.nodes) > 0 {
+		emitNode(cb.nodes[0])
+		for _, node := range cb.nodes[1:] {
+			emitNode(node)
+		}
+		if !hasStatements {
+			gctx.emitPass()
+		}
+	} else {
+		gctx.emitPass()
+	}
+	gctx.indentLevel--
+}
+
+// A single complete if ... elseif ... else ... endif sequences
+type switchNode struct {
+	ssCases []*switchCase
+}
+
+func (ssw *switchNode) newNode(node starlarkNode) {
+	switch br := node.(type) {
+	case *switchCase:
+		ssw.ssCases = append(ssw.ssCases, br)
+	default:
+		panic(fmt.Errorf("expected switchCase node, got %t", br))
+	}
+}
+
+func (ssw *switchNode) emit(gctx *generationContext) {
+	if len(ssw.ssCases) == 0 {
+		gctx.emitPass()
+	} else {
+		ssw.ssCases[0].emit(gctx)
+		for _, ssCase := range ssw.ssCases[1:] {
+			ssCase.emit(gctx)
+		}
+	}
+}
diff --git a/mk2rbc/types.go b/mk2rbc/types.go
index 22c8b58..ebd52d8 100644
--- a/mk2rbc/types.go
+++ b/mk2rbc/types.go
@@ -18,6 +18,11 @@
 type starlarkType int
 
 const (
+	// Variable types. Initially we only know the types of the  product
+	// configuration variables that are lists, and the types of some
+	// hardwired variables. The remaining variables are first entered as
+	// having an unknown type and treated as strings, but sometimes we
+	//  can infer variable's type from the value assigned to it.
 	starlarkTypeUnknown starlarkType = iota
 	starlarkTypeList    starlarkType = iota
 	starlarkTypeString  starlarkType = iota
@@ -26,6 +31,16 @@
 	starlarkTypeVoid    starlarkType = iota
 )
 
+type hiddenArgType int
+
+const (
+	// Some functions have an implicitly emitted first argument, which may be
+	// a global ('g') or configuration ('cfg') variable.
+	hiddenArgNone   hiddenArgType = iota
+	hiddenArgGlobal hiddenArgType = iota
+	hiddenArgConfig hiddenArgType = iota
+)
+
 type varClass int
 
 const (
@@ -53,3 +68,8 @@
 func (s ScopeBase) SetFunc(_ string, _ func([]string) []string) {
 	panic("implement me")
 }
+
+// Used to find all makefiles in the source tree
+type MakefileFinder interface {
+	Find(root string) []string
+}
diff --git a/mk2rbc/variable.go b/mk2rbc/variable.go
new file mode 100644
index 0000000..88d63c9
--- /dev/null
+++ b/mk2rbc/variable.go
@@ -0,0 +1,307 @@
+// Copyright 2021 Google LLC
+//
+// 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 mk2rbc
+
+import (
+	"fmt"
+	"strings"
+)
+
+type variable interface {
+	name() string
+	emitGet(gctx *generationContext, isDefined bool)
+	emitSet(gctx *generationContext, asgn *assignmentNode)
+	emitDefined(gctx *generationContext)
+	valueType() starlarkType
+	setValueType(t starlarkType)
+	defaultValueString() string
+	isPreset() bool
+}
+
+type baseVariable struct {
+	nam    string
+	typ    starlarkType
+	preset bool // true if it has been initialized at startup
+}
+
+func (v baseVariable) name() string {
+	return v.nam
+}
+
+func (v baseVariable) valueType() starlarkType {
+	return v.typ
+}
+
+func (v *baseVariable) setValueType(t starlarkType) {
+	v.typ = t
+}
+
+func (v baseVariable) isPreset() bool {
+	return v.preset
+}
+
+var defaultValuesByType = map[starlarkType]string{
+	starlarkTypeUnknown: `""`,
+	starlarkTypeList:    "[]",
+	starlarkTypeString:  `""`,
+	starlarkTypeInt:     "0",
+	starlarkTypeBool:    "False",
+	starlarkTypeVoid:    "None",
+}
+
+func (v baseVariable) defaultValueString() string {
+	if v, ok := defaultValuesByType[v.valueType()]; ok {
+		return v
+	}
+	panic(fmt.Errorf("%s has unknown type %q", v.name(), v.valueType()))
+}
+
+type productConfigVariable struct {
+	baseVariable
+}
+
+func (pcv productConfigVariable) emitSet(gctx *generationContext, asgn *assignmentNode) {
+	emitAssignment := func() {
+		pcv.emitGet(gctx, true)
+		gctx.write(" = ")
+		asgn.value.emitListVarCopy(gctx)
+	}
+	emitAppend := func() {
+		pcv.emitGet(gctx, true)
+		gctx.write(" += ")
+		if pcv.valueType() == starlarkTypeString {
+			gctx.writef(`" " + `)
+		}
+		asgn.value.emit(gctx)
+	}
+
+	switch asgn.flavor {
+	case asgnSet:
+		emitAssignment()
+	case asgnAppend:
+		emitAppend()
+	case asgnMaybeAppend:
+		// If we are not sure variable has been assigned before, emit setdefault
+		if pcv.typ == starlarkTypeList {
+			gctx.writef("%s(handle, %q)", cfnSetListDefault, pcv.name())
+		} else {
+			gctx.writef("cfg.setdefault(%q, %s)", pcv.name(), pcv.defaultValueString())
+		}
+		gctx.newLine()
+		emitAppend()
+	case asgnMaybeSet:
+		gctx.writef("if cfg.get(%q) == None:", pcv.nam)
+		gctx.indentLevel++
+		gctx.newLine()
+		emitAssignment()
+		gctx.indentLevel--
+	}
+}
+
+func (pcv productConfigVariable) emitGet(gctx *generationContext, isDefined bool) {
+	if isDefined || pcv.isPreset() {
+		gctx.writef("cfg[%q]", pcv.nam)
+	} else {
+		gctx.writef("cfg.get(%q, %s)", pcv.nam, pcv.defaultValueString())
+	}
+}
+
+func (pcv productConfigVariable) emitDefined(gctx *generationContext) {
+	gctx.writef("g.get(%q) != None", pcv.name())
+}
+
+type otherGlobalVariable struct {
+	baseVariable
+}
+
+func (scv otherGlobalVariable) emitSet(gctx *generationContext, asgn *assignmentNode) {
+	emitAssignment := func() {
+		scv.emitGet(gctx, true)
+		gctx.write(" = ")
+		asgn.value.emitListVarCopy(gctx)
+	}
+
+	emitAppend := func() {
+		scv.emitGet(gctx, true)
+		gctx.write(" += ")
+		if scv.valueType() == starlarkTypeString {
+			gctx.writef(`" " + `)
+		}
+		asgn.value.emit(gctx)
+	}
+
+	switch asgn.flavor {
+	case asgnSet:
+		emitAssignment()
+	case asgnAppend:
+		emitAppend()
+	case asgnMaybeAppend:
+		// If we are not sure variable has been assigned before, emit setdefault
+		gctx.writef("g.setdefault(%q, %s)", scv.name(), scv.defaultValueString())
+		gctx.newLine()
+		emitAppend()
+	case asgnMaybeSet:
+		gctx.writef("if g.get(%q) == None:", scv.nam)
+		gctx.indentLevel++
+		gctx.newLine()
+		emitAssignment()
+		gctx.indentLevel--
+	}
+}
+
+func (scv otherGlobalVariable) emitGet(gctx *generationContext, isDefined bool) {
+	if isDefined || scv.isPreset() {
+		gctx.writef("g[%q]", scv.nam)
+	} else {
+		gctx.writef("g.get(%q, %s)", scv.nam, scv.defaultValueString())
+	}
+}
+
+func (scv otherGlobalVariable) emitDefined(gctx *generationContext) {
+	gctx.writef("g.get(%q) != None", scv.name())
+}
+
+type localVariable struct {
+	baseVariable
+}
+
+func (lv localVariable) emitDefined(_ *generationContext) {
+	panic("implement me")
+}
+
+func (lv localVariable) String() string {
+	return "_" + lv.nam
+}
+
+func (lv localVariable) emitSet(gctx *generationContext, asgn *assignmentNode) {
+	switch asgn.flavor {
+	case asgnSet:
+		gctx.writef("%s = ", lv)
+		asgn.value.emitListVarCopy(gctx)
+	case asgnAppend:
+		lv.emitGet(gctx, false)
+		gctx.write(" += ")
+		if lv.valueType() == starlarkTypeString {
+			gctx.writef(`" " + `)
+		}
+		asgn.value.emit(gctx)
+	case asgnMaybeAppend:
+		gctx.writef("%s(%q, ", cfnLocalAppend, lv)
+		asgn.value.emit(gctx)
+		gctx.write(")")
+	case asgnMaybeSet:
+		gctx.writef("%s(%q, ", cfnLocalSetDefault, lv)
+		asgn.value.emit(gctx)
+		gctx.write(")")
+	}
+}
+
+func (lv localVariable) emitGet(gctx *generationContext, _ bool) {
+	gctx.writef("%s", lv)
+}
+
+type predefinedVariable struct {
+	baseVariable
+	value starlarkExpr
+}
+
+func (pv predefinedVariable) emitGet(gctx *generationContext, _ bool) {
+	pv.value.emit(gctx)
+}
+
+func (pv predefinedVariable) emitSet(gctx *generationContext, asgn *assignmentNode) {
+	if expectedValue, ok1 := maybeString(pv.value); ok1 {
+		actualValue, ok2 := maybeString(asgn.value)
+		if ok2 {
+			if actualValue == expectedValue {
+				return
+			}
+			gctx.writef("# MK2RBC TRANSLATION ERROR: cannot set predefined variable %s to %q, its value should be %q",
+				pv.name(), actualValue, expectedValue)
+			gctx.newLine()
+			gctx.write("pass")
+			gctx.starScript.hasErrors = true
+			return
+		}
+	}
+	panic(fmt.Errorf("cannot set predefined variable %s to %q", pv.name(), asgn.mkValue.Dump()))
+}
+
+func (pv predefinedVariable) emitDefined(gctx *generationContext) {
+	gctx.write("True")
+}
+
+var localProductConfigVariables = map[string]string{
+	"LOCAL_AUDIO_PRODUCT_PACKAGE":         "PRODUCT_PACKAGES",
+	"LOCAL_AUDIO_PRODUCT_COPY_FILES":      "PRODUCT_COPY_FILES",
+	"LOCAL_AUDIO_DEVICE_PACKAGE_OVERLAYS": "DEVICE_PACKAGE_OVERLAYS",
+	"LOCAL_DUMPSTATE_PRODUCT_PACKAGE":     "PRODUCT_PACKAGES",
+	"LOCAL_GATEKEEPER_PRODUCT_PACKAGE":    "PRODUCT_PACKAGES",
+	"LOCAL_HEALTH_PRODUCT_PACKAGE":        "PRODUCT_PACKAGES",
+	"LOCAL_SENSOR_PRODUCT_PACKAGE":        "PRODUCT_PACKAGES",
+	"LOCAL_KEYMASTER_PRODUCT_PACKAGE":     "PRODUCT_PACKAGES",
+	"LOCAL_KEYMINT_PRODUCT_PACKAGE":       "PRODUCT_PACKAGES",
+}
+
+var presetVariables = map[string]bool{
+	"BUILD_ID":                  true,
+	"HOST_ARCH":                 true,
+	"HOST_OS":                   true,
+	"HOST_BUILD_TYPE":           true,
+	"OUT_DIR":                   true,
+	"PLATFORM_VERSION_CODENAME": true,
+	"PLATFORM_VERSION":          true,
+	"TARGET_ARCH":               true,
+	"TARGET_ARCH_VARIANT":       true,
+	"TARGET_BUILD_TYPE":         true,
+	"TARGET_BUILD_VARIANT":      true,
+	"TARGET_PRODUCT":            true,
+}
+
+// addVariable returns a variable with a given name. A variable is
+// added if it does not exist yet.
+func (ctx *parseContext) addVariable(name string) variable {
+	v, found := ctx.variables[name]
+	if !found {
+		_, preset := presetVariables[name]
+		if vi, found := KnownVariables[name]; found {
+			switch vi.class {
+			case VarClassConfig:
+				v = &productConfigVariable{baseVariable{nam: name, typ: vi.valueType, preset: preset}}
+			case VarClassSoong:
+				v = &otherGlobalVariable{baseVariable{nam: name, typ: vi.valueType, preset: preset}}
+			}
+		} else if name == strings.ToLower(name) {
+			// Heuristics: if variable's name is all lowercase, consider it local
+			// string variable.
+			v = &localVariable{baseVariable{nam: name, typ: starlarkTypeUnknown}}
+		} else {
+			vt := starlarkTypeUnknown
+			if strings.HasPrefix(name, "LOCAL_") {
+				// Heuristics: local variables that contribute to corresponding config variables
+				if cfgVarName, found := localProductConfigVariables[name]; found {
+					vi, found2 := KnownVariables[cfgVarName]
+					if !found2 {
+						panic(fmt.Errorf("unknown config variable %s for %s", cfgVarName, name))
+					}
+					vt = vi.valueType
+				}
+			}
+			v = &otherGlobalVariable{baseVariable{nam: name, typ: vt}}
+		}
+		ctx.variables[name] = v
+	}
+	return v
+}
diff --git a/rust/Android.bp b/rust/Android.bp
index 11069d1..221014e 100644
--- a/rust/Android.bp
+++ b/rust/Android.bp
@@ -11,6 +11,7 @@
         "soong-bloaty",
         "soong-cc",
         "soong-rust-config",
+        "soong-snapshot",
     ],
     srcs: [
         "androidmk.go",
diff --git a/rust/androidmk.go b/rust/androidmk.go
index ea45ebd..630805a 100644
--- a/rust/androidmk.go
+++ b/rust/androidmk.go
@@ -205,24 +205,24 @@
 	ctx.SubAndroidMk(entries, fuzz.binaryDecorator)
 
 	var fuzzFiles []string
-	for _, d := range fuzz.corpus {
+	for _, d := range fuzz.fuzzPackagedModule.Corpus {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.corpusIntermediateDir.String())+":corpus/"+d.Base())
+			filepath.Dir(fuzz.fuzzPackagedModule.CorpusIntermediateDir.String())+":corpus/"+d.Base())
 	}
 
-	for _, d := range fuzz.data {
+	for _, d := range fuzz.fuzzPackagedModule.Data {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.dataIntermediateDir.String())+":data/"+d.Rel())
+			filepath.Dir(fuzz.fuzzPackagedModule.DataIntermediateDir.String())+":data/"+d.Rel())
 	}
 
-	if fuzz.dictionary != nil {
+	if fuzz.fuzzPackagedModule.Dictionary != nil {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.dictionary.String())+":"+fuzz.dictionary.Base())
+			filepath.Dir(fuzz.fuzzPackagedModule.Dictionary.String())+":"+fuzz.fuzzPackagedModule.Dictionary.Base())
 	}
 
-	if fuzz.config != nil {
+	if fuzz.fuzzPackagedModule.Config != nil {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.config.String())+":config.json")
+			filepath.Dir(fuzz.fuzzPackagedModule.Config.String())+":config.json")
 	}
 
 	entries.ExtraEntries = append(entries.ExtraEntries, func(ctx android.AndroidMkExtraEntriesContext,
diff --git a/rust/binary_test.go b/rust/binary_test.go
index 86f50d3..968c0c1 100644
--- a/rust/binary_test.go
+++ b/rust/binary_test.go
@@ -114,6 +114,23 @@
 	}
 }
 
+// Test that the bootstrap property sets the appropriate linker
+func TestBootstrap(t *testing.T) {
+	ctx := testRust(t, `
+		rust_binary {
+			name: "foo",
+			srcs: ["foo.rs"],
+			bootstrap: true,
+		}`)
+
+	foo := ctx.ModuleForTests("foo", "android_arm64_armv8-a").Rule("rustc")
+
+	flag := "-Wl,-dynamic-linker,/system/bin/bootstrap/linker64"
+	if !strings.Contains(foo.Args["linkFlags"], flag) {
+		t.Errorf("missing link flag to use bootstrap linker, expecting %#v, linkFlags: %#v", flag, foo.Args["linkFlags"])
+	}
+}
+
 func TestStaticBinaryFlags(t *testing.T) {
 	ctx := testRust(t, `
 		rust_binary {
diff --git a/rust/builder.go b/rust/builder.go
index 6db508d..a5b3ab9 100644
--- a/rust/builder.go
+++ b/rust/builder.go
@@ -220,6 +220,15 @@
 	linkFlags = append(linkFlags, flags.GlobalLinkFlags...)
 	linkFlags = append(linkFlags, flags.LinkFlags...)
 
+	// Check if this module needs to use the bootstrap linker
+	if ctx.RustModule().Bootstrap() && !ctx.RustModule().InRecovery() && !ctx.RustModule().InRamdisk() && !ctx.RustModule().InVendorRamdisk() {
+		dynamicLinker := "-Wl,-dynamic-linker,/system/bin/bootstrap/linker"
+		if ctx.toolchain().Is64Bit() {
+			dynamicLinker += "64"
+		}
+		linkFlags = append(linkFlags, dynamicLinker)
+	}
+
 	libFlags := makeLibFlags(deps)
 
 	// Collect dependencies
@@ -323,6 +332,12 @@
 	rustdocFlags = append(rustdocFlags, makeLibFlags(deps)...)
 	docTimestampFile := android.PathForModuleOut(ctx, "rustdoc.timestamp")
 
+	// Silence warnings about renamed lints for third-party crates
+	modulePath := android.PathForModuleSrc(ctx).String()
+	if android.IsThirdPartyPath(modulePath) {
+		rustdocFlags = append(rustdocFlags, " -A renamed_and_removed_lints")
+	}
+
 	// Yes, the same out directory is used simultaneously by all rustdoc builds.
 	// This is what cargo does. The docs for individual crates get generated to
 	// a subdirectory named for the crate, and rustdoc synchronizes writes to
diff --git a/rust/compiler.go b/rust/compiler.go
index 0b28135..de59f39 100644
--- a/rust/compiler.go
+++ b/rust/compiler.go
@@ -17,6 +17,7 @@
 import (
 	"fmt"
 	"path/filepath"
+	"strings"
 
 	"github.com/google/blueprint/proptools"
 
@@ -235,6 +236,25 @@
 	if err != nil {
 		ctx.PropertyErrorf("lints", err.Error())
 	}
+
+	// linkage-related flags are disallowed.
+	for _, s := range compiler.Properties.Ld_flags {
+		if strings.HasPrefix(s, "-Wl,-l") || strings.HasPrefix(s, "-Wl,-L") {
+			ctx.PropertyErrorf("ld_flags", "'-Wl,-l' and '-Wl,-L' flags cannot be manually specified")
+		}
+	}
+	for _, s := range compiler.Properties.Flags {
+		if strings.HasPrefix(s, "-l") || strings.HasPrefix(s, "-L") {
+			ctx.PropertyErrorf("flags", "'-l' and '-L' flags cannot be manually specified")
+		}
+		if strings.HasPrefix(s, "--extern") {
+			ctx.PropertyErrorf("flags", "'--extern' flag cannot be manually specified")
+		}
+		if strings.HasPrefix(s, "-Clink-args=") || strings.HasPrefix(s, "-C link-args=") {
+			ctx.PropertyErrorf("flags", "'-C link-args' flag cannot be manually specified")
+		}
+	}
+
 	flags.RustFlags = append(flags.RustFlags, lintFlags)
 	flags.RustFlags = append(flags.RustFlags, compiler.Properties.Flags...)
 	flags.RustFlags = append(flags.RustFlags, compiler.cfgsToFlags()...)
@@ -305,7 +325,7 @@
 	if !Bool(compiler.Properties.No_stdlibs) {
 		for _, stdlib := range config.Stdlibs {
 			// If we're building for the primary arch of the build host, use the compiler's stdlibs
-			if ctx.Target().Os == android.BuildOs {
+			if ctx.Target().Os == ctx.Config().BuildOS {
 				stdlib = stdlib + "_" + ctx.toolchain().RustTriple()
 			}
 			deps.Stdlibs = append(deps.Stdlibs, stdlib)
diff --git a/rust/compiler_test.go b/rust/compiler_test.go
index 5ca9e7f..c331b4c 100644
--- a/rust/compiler_test.go
+++ b/rust/compiler_test.go
@@ -208,3 +208,73 @@
 		t.Errorf("libstd is not linked dynamically for dylibs")
 	}
 }
+
+// Ensure that manual link flags are disallowed.
+func TestManualLinkageRejection(t *testing.T) {
+	// rustc flags
+	testRustError(t, ".* cannot be manually specified", `
+		rust_binary {
+			name: "foo",
+			srcs: [
+				"foo.rs",
+			],
+			flags: ["-lbar"],
+		}
+	`)
+	testRustError(t, ".* cannot be manually specified", `
+		rust_binary {
+			name: "foo",
+			srcs: [
+				"foo.rs",
+			],
+			flags: ["--extern=foo"],
+		}
+	`)
+	testRustError(t, ".* cannot be manually specified", `
+		rust_binary {
+			name: "foo",
+			srcs: [
+				"foo.rs",
+			],
+			flags: ["-Clink-args=foo"],
+		}
+	`)
+	testRustError(t, ".* cannot be manually specified", `
+		rust_binary {
+			name: "foo",
+			srcs: [
+				"foo.rs",
+			],
+			flags: ["-C link-args=foo"],
+		}
+	`)
+	testRustError(t, ".* cannot be manually specified", `
+		rust_binary {
+			name: "foo",
+			srcs: [
+				"foo.rs",
+			],
+			flags: ["-L foo/"],
+		}
+	`)
+
+	// lld flags
+	testRustError(t, ".* cannot be manually specified", `
+		rust_binary {
+			name: "foo",
+			srcs: [
+				"foo.rs",
+			],
+			ld_flags: ["-Wl,-L bar/"],
+		}
+	`)
+	testRustError(t, ".* cannot be manually specified", `
+		rust_binary {
+			name: "foo",
+			srcs: [
+				"foo.rs",
+			],
+			ld_flags: ["-Wl,-lbar"],
+		}
+	`)
+}
diff --git a/rust/config/allowed_list.go b/rust/config/allowed_list.go
index 31ec3f1..e527aea 100644
--- a/rust/config/allowed_list.go
+++ b/rust/config/allowed_list.go
@@ -23,10 +23,12 @@
 		"system/extras/profcollectd",
 		"system/extras/simpleperf",
 		"system/hardware/interfaces/keystore2",
+		"system/librustutils",
 		"system/logging/rust",
 		"system/security",
 		"system/tools/aidl",
 		"tools/security/fuzzing/example_rust_fuzzer",
+		"vendor/",
 	}
 
 	DownstreamRustAllowedPaths = []string{
diff --git a/rust/config/global.go b/rust/config/global.go
index 1b56237..e5b334d 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 = "1.51.0"
+	RustDefaultVersion = "1.54.0"
 	RustDefaultBase    = "prebuilts/rust/"
 	DefaultEdition     = "2018"
 	Stdlibs            = []string{
diff --git a/rust/config/x86_linux_host.go b/rust/config/x86_linux_host.go
index a9fdaed..0aa534f 100644
--- a/rust/config/x86_linux_host.go
+++ b/rust/config/x86_linux_host.go
@@ -37,6 +37,10 @@
 	registerToolchainFactory(android.Linux, android.X86_64, linuxX8664ToolchainFactory)
 	registerToolchainFactory(android.Linux, android.X86, linuxX86ToolchainFactory)
 
+	// TODO: musl rust support
+	registerToolchainFactory(android.LinuxMusl, android.X86_64, linuxX8664ToolchainFactory)
+	registerToolchainFactory(android.LinuxMusl, android.X86, linuxX86ToolchainFactory)
+
 	pctx.StaticVariable("LinuxToolchainRustFlags", strings.Join(LinuxRustFlags, " "))
 	pctx.StaticVariable("LinuxToolchainLinkFlags", strings.Join(LinuxRustLinkFlags, " "))
 	pctx.StaticVariable("LinuxToolchainX86RustFlags", strings.Join(linuxX86Rustflags, " "))
diff --git a/rust/coverage.go b/rust/coverage.go
index dac526a..050b811 100644
--- a/rust/coverage.go
+++ b/rust/coverage.go
@@ -55,7 +55,7 @@
 		flags.Coverage = true
 		coverage := ctx.GetDirectDepWithTag(CovLibraryName, cc.CoverageDepTag).(cc.LinkableInterface)
 		flags.RustFlags = append(flags.RustFlags,
-			"-Z instrument-coverage", "-g", "-C link-dead-code")
+			"-Z instrument-coverage", "-g")
 		flags.LinkFlags = append(flags.LinkFlags,
 			profileInstrFlag, "-g", coverage.OutputFile().Path().String(), "-Wl,--wrap,open")
 		deps.StaticLibs = append(deps.StaticLibs, coverage.OutputFile().Path())
diff --git a/rust/coverage_test.go b/rust/coverage_test.go
index 4b6c9d4..f3cd375 100644
--- a/rust/coverage_test.go
+++ b/rust/coverage_test.go
@@ -56,7 +56,7 @@
 	fizzCov := ctx.ModuleForTests("fizz_cov", "android_arm64_armv8-a_cov").Rule("rustc")
 	buzzNoCov := ctx.ModuleForTests("buzzNoCov", "android_arm64_armv8-a").Rule("rustc")
 
-	rustcCoverageFlags := []string{"-Z instrument-coverage", " -g ", "-C link-dead-code"}
+	rustcCoverageFlags := []string{"-Z instrument-coverage", " -g "}
 	for _, flag := range rustcCoverageFlags {
 		missingErrorStr := "missing rustc flag '%s' for '%s' module with coverage enabled; rustcFlags: %#v"
 		containsErrorStr := "contains rustc flag '%s' for '%s' module with coverage disabled; rustcFlags: %#v"
diff --git a/rust/fuzz.go b/rust/fuzz.go
index 7e1c55a..18b2513 100644
--- a/rust/fuzz.go
+++ b/rust/fuzz.go
@@ -32,13 +32,7 @@
 type fuzzDecorator struct {
 	*binaryDecorator
 
-	Properties            cc.FuzzProperties
-	dictionary            android.Path
-	corpus                android.Paths
-	corpusIntermediateDir android.Path
-	config                android.Path
-	data                  android.Paths
-	dataIntermediateDir   android.Path
+	fuzzPackagedModule cc.FuzzPackagedModule
 }
 
 var _ compiler = (*binaryDecorator)(nil)
@@ -88,7 +82,7 @@
 
 func (fuzzer *fuzzDecorator) compilerProps() []interface{} {
 	return append(fuzzer.binaryDecorator.compilerProps(),
-		&fuzzer.Properties)
+		&fuzzer.fuzzPackagedModule.FuzzProperties)
 }
 
 func (fuzzer *fuzzDecorator) stdLinkage(ctx *depsContext) RustLinkage {
@@ -102,32 +96,19 @@
 // Responsible for generating GNU Make rules that package fuzz targets into
 // their architecture & target/host specific zip file.
 type rustFuzzPackager struct {
-	packages    android.Paths
-	fuzzTargets map[string]bool
+	cc.FuzzPackager
 }
 
 func rustFuzzPackagingFactory() android.Singleton {
 	return &rustFuzzPackager{}
 }
 
-type fileToZip struct {
-	SourceFilePath        android.Path
-	DestinationPathPrefix string
-}
-
-type archOs struct {
-	hostOrTarget string
-	arch         string
-	dir          string
-}
-
 func (s *rustFuzzPackager) GenerateBuildActions(ctx android.SingletonContext) {
-
 	// Map between each architecture + host/device combination.
-	archDirs := make(map[archOs][]fileToZip)
+	archDirs := make(map[cc.ArchOs][]cc.FileToZip)
 
 	// List of individual fuzz targets.
-	s.fuzzTargets = make(map[string]bool)
+	s.FuzzTargets = make(map[string]bool)
 
 	ctx.VisitAllModules(func(module android.Module) {
 		// Discard non-fuzz targets.
@@ -136,23 +117,15 @@
 			return
 		}
 
+		if ok := cc.IsValid(rustModule.FuzzModule); !ok || rustModule.Properties.PreventInstall {
+			return
+		}
+
 		fuzzModule, ok := rustModule.compiler.(*fuzzDecorator)
 		if !ok {
 			return
 		}
 
-		// Discard ramdisk + vendor_ramdisk + recovery modules, they're duplicates of
-		// fuzz targets we're going to package anyway.
-		if !rustModule.Enabled() || rustModule.Properties.PreventInstall ||
-			rustModule.InRamdisk() || rustModule.InVendorRamdisk() || rustModule.InRecovery() {
-			return
-		}
-
-		// Discard modules that are in an unavailable namespace.
-		if !rustModule.ExportedToMake() {
-			return
-		}
-
 		hostOrTargetString := "target"
 		if rustModule.Host() {
 			hostOrTargetString = "host"
@@ -160,126 +133,34 @@
 
 		archString := rustModule.Arch().ArchType.String()
 		archDir := android.PathForIntermediates(ctx, "fuzz", hostOrTargetString, archString)
-		archOs := archOs{hostOrTarget: hostOrTargetString, arch: archString, dir: archDir.String()}
+		archOs := cc.ArchOs{HostOrTarget: hostOrTargetString, Arch: archString, Dir: archDir.String()}
 
-		var files []fileToZip
+		var files []cc.FileToZip
 		builder := android.NewRuleBuilder(pctx, ctx)
 
-		// Package the corpora into a zipfile.
-		if fuzzModule.corpus != nil {
-			corpusZip := archDir.Join(ctx, module.Name()+"_seed_corpus.zip")
-			command := builder.Command().BuiltTool("soong_zip").
-				Flag("-j").
-				FlagWithOutput("-o ", corpusZip)
-			rspFile := corpusZip.ReplaceExtension(ctx, "rsp")
-			command.FlagWithRspFileInputList("-r ", rspFile, fuzzModule.corpus)
-			files = append(files, fileToZip{corpusZip, ""})
-		}
-
-		// Package the data into a zipfile.
-		if fuzzModule.data != nil {
-			dataZip := archDir.Join(ctx, module.Name()+"_data.zip")
-			command := builder.Command().BuiltTool("soong_zip").
-				FlagWithOutput("-o ", dataZip)
-			for _, f := range fuzzModule.data {
-				intermediateDir := strings.TrimSuffix(f.String(), f.Rel())
-				command.FlagWithArg("-C ", intermediateDir)
-				command.FlagWithInput("-f ", f)
-			}
-			files = append(files, fileToZip{dataZip, ""})
-		}
+		// Package the artifacts (data, corpus, config and dictionary into a zipfile.
+		files = s.PackageArtifacts(ctx, module, fuzzModule.fuzzPackagedModule, archDir, builder)
 
 		// The executable.
-		files = append(files, fileToZip{rustModule.unstrippedOutputFile.Path(), ""})
+		files = append(files, cc.FileToZip{rustModule.unstrippedOutputFile.Path(), ""})
 
-		// The dictionary.
-		if fuzzModule.dictionary != nil {
-			files = append(files, fileToZip{fuzzModule.dictionary, ""})
+		archDirs[archOs], ok = s.BuildZipFile(ctx, module, fuzzModule.fuzzPackagedModule, files, builder, archDir, archString, hostOrTargetString, archOs, archDirs)
+		if !ok {
+			return
 		}
 
-		// Additional fuzz config.
-		if fuzzModule.config != nil {
-			files = append(files, fileToZip{fuzzModule.config, ""})
-		}
-
-		fuzzZip := archDir.Join(ctx, module.Name()+".zip")
-
-		command := builder.Command().BuiltTool("soong_zip").
-			Flag("-j").
-			FlagWithOutput("-o ", fuzzZip)
-
-		for _, file := range files {
-			if file.DestinationPathPrefix != "" {
-				command.FlagWithArg("-P ", file.DestinationPathPrefix)
-			} else {
-				command.Flag("-P ''")
-			}
-			command.FlagWithInput("-f ", file.SourceFilePath)
-		}
-
-		builder.Build("create-"+fuzzZip.String(),
-			"Package "+module.Name()+" for "+archString+"-"+hostOrTargetString)
-
-		// Don't add modules to 'make haiku-rust' that are set to not be
-		// exported to the fuzzing infrastructure.
-		if config := fuzzModule.Properties.Fuzz_config; config != nil {
-			if rustModule.Host() && !BoolDefault(config.Fuzz_on_haiku_host, true) {
-				return
-			} else if !BoolDefault(config.Fuzz_on_haiku_device, true) {
-				return
-			}
-		}
-
-		s.fuzzTargets[module.Name()] = true
-		archDirs[archOs] = append(archDirs[archOs], fileToZip{fuzzZip, ""})
 	})
-
-	var archOsList []archOs
-	for archOs := range archDirs {
-		archOsList = append(archOsList, archOs)
-	}
-	sort.Slice(archOsList, func(i, j int) bool { return archOsList[i].dir < archOsList[j].dir })
-
-	for _, archOs := range archOsList {
-		filesToZip := archDirs[archOs]
-		arch := archOs.arch
-		hostOrTarget := archOs.hostOrTarget
-		builder := android.NewRuleBuilder(pctx, ctx)
-		outputFile := android.PathForOutput(ctx, "fuzz-rust-"+hostOrTarget+"-"+arch+".zip")
-		s.packages = append(s.packages, outputFile)
-
-		command := builder.Command().BuiltTool("soong_zip").
-			Flag("-j").
-			FlagWithOutput("-o ", outputFile).
-			Flag("-L 0") // No need to try and re-compress the zipfiles.
-
-		for _, fileToZip := range filesToZip {
-			if fileToZip.DestinationPathPrefix != "" {
-				command.FlagWithArg("-P ", fileToZip.DestinationPathPrefix)
-			} else {
-				command.Flag("-P ''")
-			}
-			command.FlagWithInput("-f ", fileToZip.SourceFilePath)
-		}
-		builder.Build("create-fuzz-package-"+arch+"-"+hostOrTarget,
-			"Create fuzz target packages for "+arch+"-"+hostOrTarget)
-	}
-
+	s.CreateFuzzPackage(ctx, archDirs, cc.Rust)
 }
 
 func (s *rustFuzzPackager) MakeVars(ctx android.MakeVarsContext) {
-	packages := s.packages.Strings()
+	packages := s.Packages.Strings()
 	sort.Strings(packages)
 
 	ctx.Strict("SOONG_RUST_FUZZ_PACKAGING_ARCH_MODULES", strings.Join(packages, " "))
 
-	// Preallocate the slice of fuzz targets to minimise memory allocations.
-	fuzzTargets := make([]string, 0, len(s.fuzzTargets))
-	for target, _ := range s.fuzzTargets {
-		fuzzTargets = append(fuzzTargets, target)
-	}
-	sort.Strings(fuzzTargets)
-	ctx.Strict("ALL_RUST_FUZZ_TARGETS", strings.Join(fuzzTargets, " "))
+	// Preallocate the slice of fuzz targets to minimize memory allocations.
+	s.PreallocateSlice(ctx, "ALL_RUST_FUZZ_TARGETS")
 }
 
 func (fuzz *fuzzDecorator) install(ctx ModuleContext) {
@@ -289,13 +170,13 @@
 		"fuzz", ctx.Target().Arch.ArchType.String(), ctx.ModuleName())
 	fuzz.binaryDecorator.baseCompiler.install(ctx)
 
-	if fuzz.Properties.Corpus != nil {
-		fuzz.corpus = android.PathsForModuleSrc(ctx, fuzz.Properties.Corpus)
+	if fuzz.fuzzPackagedModule.FuzzProperties.Corpus != nil {
+		fuzz.fuzzPackagedModule.Corpus = android.PathsForModuleSrc(ctx, fuzz.fuzzPackagedModule.FuzzProperties.Corpus)
 	}
-	if fuzz.Properties.Data != nil {
-		fuzz.data = android.PathsForModuleSrc(ctx, fuzz.Properties.Data)
+	if fuzz.fuzzPackagedModule.FuzzProperties.Data != nil {
+		fuzz.fuzzPackagedModule.Data = android.PathsForModuleSrc(ctx, fuzz.fuzzPackagedModule.FuzzProperties.Data)
 	}
-	if fuzz.Properties.Dictionary != nil {
-		fuzz.dictionary = android.PathForModuleSrc(ctx, *fuzz.Properties.Dictionary)
+	if fuzz.fuzzPackagedModule.FuzzProperties.Dictionary != nil {
+		fuzz.fuzzPackagedModule.Dictionary = android.PathForModuleSrc(ctx, *fuzz.fuzzPackagedModule.FuzzProperties.Dictionary)
 	}
 }
diff --git a/rust/library.go b/rust/library.go
index 747a29d..8c10e29 100644
--- a/rust/library.go
+++ b/rust/library.go
@@ -21,6 +21,7 @@
 
 	"android/soong/android"
 	"android/soong/cc"
+	"android/soong/snapshot"
 )
 
 var (
@@ -431,6 +432,12 @@
 
 func (library *libraryDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {
 	flags.RustFlags = append(flags.RustFlags, "-C metadata="+ctx.ModuleName())
+	if library.dylib() {
+		// We need to add a dependency on std in order to link crates as dylibs.
+		// The hack to add this dependency is guarded by the following cfg so
+		// that we don't force a dependency when it isn't needed.
+		library.baseCompiler.Properties.Cfgs = append(library.baseCompiler.Properties.Cfgs, "android_dylib")
+	}
 	flags = library.baseCompiler.compilerFlags(ctx, flags)
 	if library.shared() || library.static() {
 		library.includeDirs = append(library.includeDirs, android.PathsForModuleSrc(ctx, library.Properties.Include_dirs)...)
@@ -639,7 +646,7 @@
 			variation := v.(*Module).ModuleBase.ImageVariation().Variation
 			if strings.HasPrefix(variation, cc.VendorVariationPrefix) &&
 				m.HasVendorVariant() &&
-				!cc.IsVendorProprietaryModule(mctx) &&
+				!snapshot.IsVendorProprietaryModule(mctx) &&
 				strings.TrimPrefix(variation, cc.VendorVariationPrefix) == mctx.DeviceConfig().VndkVersion() {
 
 				// cc.MutateImage runs before LibraryMutator, so vendor variations which are meant for rlibs only are
diff --git a/rust/library_test.go b/rust/library_test.go
index 54cd2a5..cb4ef7e 100644
--- a/rust/library_test.go
+++ b/rust/library_test.go
@@ -85,6 +85,22 @@
 	}
 }
 
+// Check that we are passing the android_dylib config flag
+func TestAndroidDylib(t *testing.T) {
+	ctx := testRust(t, `
+		rust_library_host_dylib {
+			name: "libfoo",
+			srcs: ["foo.rs"],
+			crate_name: "foo",
+		}`)
+
+	libfooDylib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_dylib").Output("libfoo.dylib.so")
+
+	if !strings.Contains(libfooDylib.Args["rustcFlags"], "--cfg 'android_dylib'") {
+		t.Errorf("missing android_dylib cfg flag for libfoo dylib, rustcFlags: %#v", libfooDylib.Args["rustcFlags"])
+	}
+}
+
 func TestValidateLibraryStem(t *testing.T) {
 	testRustError(t, "crate_name must be defined.", `
 			rust_library_host {
diff --git a/rust/project_json_test.go b/rust/project_json_test.go
index 09d30db..bdd54c5 100644
--- a/rust/project_json_test.go
+++ b/rust/project_json_test.go
@@ -176,6 +176,8 @@
 }
 
 func TestProjectJsonBindGen(t *testing.T) {
+	buildOS := android.TestConfig(t.TempDir(), nil, "", nil).BuildOS
+
 	bp := `
 	rust_library {
 		name: "libd",
@@ -214,9 +216,9 @@
 		if strings.Contains(rootModule, "libbindings1") && !strings.Contains(rootModule, "android_arm64") {
 			t.Errorf("The source path for libbindings1 does not contain android_arm64, got %v", rootModule)
 		}
-		if strings.Contains(rootModule, "libbindings2") && !strings.Contains(rootModule, android.BuildOs.String()) {
+		if strings.Contains(rootModule, "libbindings2") && !strings.Contains(rootModule, buildOS.String()) {
 			t.Errorf("The source path for libbindings2 does not contain the BuildOs, got %v; want %v",
-				rootModule, android.BuildOs.String())
+				rootModule, buildOS.String())
 		}
 		// Check that libbindings1 does not depend on itself.
 		if strings.Contains(rootModule, "libbindings1") {
diff --git a/rust/rust.go b/rust/rust.go
index 38f1742..80be496 100644
--- a/rust/rust.go
+++ b/rust/rust.go
@@ -85,6 +85,10 @@
 	VendorRamdiskVariantNeeded bool     `blueprint:"mutated"`
 	ExtraVariants              []string `blueprint:"mutated"`
 
+	// Allows this module to use non-APEX version of libraries. Useful
+	// for building binaries that are started before APEXes are activated.
+	Bootstrap *bool
+
 	// Used by vendor snapshot to record dependencies from snapshot modules.
 	SnapshotSharedLibs []string `blueprint:"mutated"`
 	SnapshotStaticLibs []string `blueprint:"mutated"`
@@ -119,9 +123,7 @@
 }
 
 type Module struct {
-	android.ModuleBase
-	android.DefaultableModuleBase
-	android.ApexModuleBase
+	cc.FuzzModule
 
 	VendorProperties cc.VendorProperties
 
@@ -290,7 +292,7 @@
 }
 
 func (mod *Module) Bootstrap() bool {
-	return false
+	return Bool(mod.Properties.Bootstrap)
 }
 
 func (mod *Module) MustUseVendorVariant() bool {
@@ -859,6 +861,8 @@
 		if mod.installable(apexInfo) {
 			mod.compiler.install(ctx)
 		}
+
+		ctx.Phony("rust", ctx.RustModule().OutputFile().Path())
 	}
 }
 
diff --git a/rust/sanitize.go b/rust/sanitize.go
index 3d14d51..a4ba4bd 100644
--- a/rust/sanitize.go
+++ b/rust/sanitize.go
@@ -47,6 +47,9 @@
 	"-C llvm-args=-sanitizer-coverage-trace-geps",
 	"-C llvm-args=-sanitizer-coverage-prune-blocks=0",
 
+	// See https://github.com/rust-fuzz/cargo-fuzz/pull/193
+	"-C link-dead-code",
+
 	// Sancov breaks with lto
 	// TODO: Remove when https://bugs.llvm.org/show_bug.cgi?id=41734 is resolved and sancov works with LTO
 	"-C lto=no",
diff --git a/rust/snapshot_prebuilt.go b/rust/snapshot_prebuilt.go
index 2f54973..79eaab3 100644
--- a/rust/snapshot_prebuilt.go
+++ b/rust/snapshot_prebuilt.go
@@ -17,6 +17,7 @@
 import (
 	"android/soong/android"
 	"android/soong/cc"
+
 	"github.com/google/blueprint/proptools"
 )
 
diff --git a/scripts/hiddenapi/Android.bp b/scripts/hiddenapi/Android.bp
index 7472f52..7ffda62 100644
--- a/scripts/hiddenapi/Android.bp
+++ b/scripts/hiddenapi/Android.bp
@@ -48,6 +48,27 @@
     },
 }
 
+python_test_host {
+    name: "generate_hiddenapi_lists_test",
+    main: "generate_hiddenapi_lists_test.py",
+    srcs: [
+        "generate_hiddenapi_lists.py",
+        "generate_hiddenapi_lists_test.py",
+    ],
+    version: {
+        py2: {
+            enabled: false,
+        },
+        py3: {
+            enabled: true,
+            embedded_launcher: true,
+        },
+    },
+    test_options: {
+        unit_test: true,
+    },
+}
+
 python_binary_host {
     name: "verify_overlaps",
     main: "verify_overlaps.py",
@@ -62,3 +83,60 @@
         },
     },
 }
+
+python_test_host {
+    name: "verify_overlaps_test",
+    main: "verify_overlaps_test.py",
+    srcs: [
+        "verify_overlaps.py",
+        "verify_overlaps_test.py",
+    ],
+    version: {
+        py2: {
+            enabled: false,
+        },
+        py3: {
+            enabled: true,
+            embedded_launcher: true,
+        },
+    },
+    test_options: {
+        unit_test: true,
+    },
+}
+
+python_binary_host {
+    name: "signature_patterns",
+    main: "signature_patterns.py",
+    srcs: ["signature_patterns.py"],
+    version: {
+        py2: {
+            enabled: false,
+        },
+        py3: {
+            enabled: true,
+            embedded_launcher: true,
+        },
+    },
+}
+
+python_test_host {
+    name: "signature_patterns_test",
+    main: "signature_patterns_test.py",
+    srcs: [
+        "signature_patterns.py",
+        "signature_patterns_test.py",
+    ],
+    version: {
+        py2: {
+            enabled: false,
+        },
+        py3: {
+            enabled: true,
+            embedded_launcher: true,
+        },
+    },
+    test_options: {
+        unit_test: true,
+    },
+}
diff --git a/scripts/hiddenapi/generate_hiddenapi_lists_test.py b/scripts/hiddenapi/generate_hiddenapi_lists_test.py
index ff3d708..b81424b 100755
--- a/scripts/hiddenapi/generate_hiddenapi_lists_test.py
+++ b/scripts/hiddenapi/generate_hiddenapi_lists_test.py
@@ -101,4 +101,4 @@
         self.assertEqual(extract_package(signature), expected_package)
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest.main(verbosity=2)
diff --git a/scripts/hiddenapi/signature_patterns.py b/scripts/hiddenapi/signature_patterns.py
new file mode 100755
index 0000000..91328e6
--- /dev/null
+++ b/scripts/hiddenapi/signature_patterns.py
@@ -0,0 +1,56 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2021 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.
+"""
+Generate a set of signature patterns from the modular flags generated by a
+bootclasspath_fragment that can be used to select a subset of monolithic flags
+against which the modular flags can be compared.
+"""
+
+import argparse
+import csv
+
+def dict_reader(input):
+    return csv.DictReader(input, delimiter=',', quotechar='|', fieldnames=['signature'])
+
+def produce_patterns_from_file(file):
+    with open(file, 'r') as f:
+        return produce_patterns_from_stream(f)
+
+def produce_patterns_from_stream(stream):
+    patterns = []
+    allFlagsReader = dict_reader(stream)
+    for row in allFlagsReader:
+        signature = row['signature']
+        patterns.append(signature)
+    return patterns
+
+def main(args):
+    args_parser = argparse.ArgumentParser(description='Generate a set of signature patterns that select a subset of monolithic hidden API files.')
+    args_parser.add_argument('--flags', help='The stub flags file which contains an entry for every dex member')
+    args_parser.add_argument('--output', help='Generated signature prefixes')
+    args = args_parser.parse_args(args)
+
+    # Read in all the patterns into a list.
+    patterns = produce_patterns_from_file(args.flags)
+
+    # Write out all the patterns.
+    with open(args.output, 'w') as outputFile:
+        for pattern in patterns:
+            outputFile.write(pattern)
+            outputFile.write("\n")
+
+if __name__ == "__main__":
+    main(sys.argv[1:])
diff --git a/scripts/hiddenapi/signature_patterns_test.py b/scripts/hiddenapi/signature_patterns_test.py
new file mode 100755
index 0000000..83c9db2
--- /dev/null
+++ b/scripts/hiddenapi/signature_patterns_test.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2021 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.
+
+"""Unit tests for signature_patterns.py."""
+import io
+import unittest
+
+from signature_patterns import *
+
+class TestGeneratedPatterns(unittest.TestCase):
+
+    def produce_patterns_from_string(self, csv):
+        with io.StringIO(csv) as f:
+            return produce_patterns_from_stream(f)
+
+    def test_generate(self):
+        patterns = self.produce_patterns_from_string('''
+Ljava/lang/Object;->hashCode()I,public-api,system-api,test-api
+Ljava/lang/Object;->toString()Ljava/lang/String;,blocked
+''')
+        expected = [
+            "Ljava/lang/Object;->hashCode()I",
+            "Ljava/lang/Object;->toString()Ljava/lang/String;",
+        ]
+        self.assertEqual(expected, patterns)
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)
diff --git a/scripts/hiddenapi/verify_overlaps.py b/scripts/hiddenapi/verify_overlaps.py
index bb0917e..8579321 100755
--- a/scripts/hiddenapi/verify_overlaps.py
+++ b/scripts/hiddenapi/verify_overlaps.py
@@ -19,51 +19,123 @@
 
 import argparse
 import csv
-
-args_parser = argparse.ArgumentParser(description='Verify that one set of hidden API flags is a subset of another.')
-args_parser.add_argument('all', help='All the flags')
-args_parser.add_argument('subsets', nargs=argparse.REMAINDER, help='Subsets of the flags')
-args = args_parser.parse_args()
-
+from itertools import chain
 
 def dict_reader(input):
     return csv.DictReader(input, delimiter=',', quotechar='|', fieldnames=['signature'])
 
-# Read in all the flags into a dict indexed by signature
-allFlagsBySignature = {}
-with open(args.all, 'r') as allFlagsFile:
-    allFlagsReader = dict_reader(allFlagsFile)
-    for row in allFlagsReader:
+def extract_subset_from_monolithic_flags_as_dict_from_file(monolithicFlagsDict, patternsFile):
+    """
+    Extract a subset of flags from the dict containing all the monolithic flags.
+
+    :param monolithicFlagsDict: the dict containing all the monolithic flags.
+    :param patternsFile: a file containing a list of signature patterns that
+    define the subset.
+    :return: the dict from signature to row.
+    """
+    with open(patternsFile, 'r') as stream:
+        return extract_subset_from_monolithic_flags_as_dict_from_stream(monolithicFlagsDict, stream)
+
+def extract_subset_from_monolithic_flags_as_dict_from_stream(monolithicFlagsDict, stream):
+    """
+    Extract a subset of flags from the dict containing all the monolithic flags.
+
+    :param monolithicFlagsDict: the dict containing all the monolithic flags.
+    :param stream: a stream containing a list of signature patterns that define
+    the subset.
+    :return: the dict from signature to row.
+    """
+    dict = {}
+    for signature in stream:
+        signature = signature.rstrip()
+        dict[signature] = monolithicFlagsDict.get(signature, {})
+    return dict
+
+def read_signature_csv_from_stream_as_dict(stream):
+    """
+    Read the csv contents from the stream into a dict. The first column is assumed to be the
+    signature and used as the key. The whole row is stored as the value.
+
+    :param stream: the csv contents to read
+    :return: the dict from signature to row.
+    """
+    dict = {}
+    reader = dict_reader(stream)
+    for row in reader:
         signature = row['signature']
-        allFlagsBySignature[signature]=row
+        dict[signature] = row
+    return dict
 
-failed = False
-for subsetPath in args.subsets:
+def read_signature_csv_from_file_as_dict(csvFile):
+    """
+    Read the csvFile into a dict. The first column is assumed to be the
+    signature and used as the key. The whole row is stored as the value.
+
+    :param csvFile: the csv file to read
+    :return: the dict from signature to row.
+    """
+    with open(csvFile, 'r') as f:
+        return read_signature_csv_from_stream_as_dict(f)
+
+def compare_signature_flags(monolithicFlagsDict, modularFlagsDict):
+    """
+    Compare the signature flags between the two dicts.
+
+    :param monolithicFlagsDict: the dict containing the subset of the monolithic
+    flags that should be equal to the modular flags.
+    :param modularFlagsDict:the dict containing the flags produced by a single
+    bootclasspath_fragment module.
+    :return: list of mismatches., each mismatch is a tuple where the first item
+    is the signature, and the second and third items are lists of the flags from
+    modular dict, and monolithic dict respectively.
+    """
     mismatchingSignatures = []
-    with open(subsetPath, 'r') as subsetFlagsFile:
-        subsetReader = dict_reader(subsetFlagsFile)
-        for row in subsetReader:
-            signature = row['signature']
-            if signature in allFlagsBySignature:
-                allFlags = allFlagsBySignature.get(signature)
-                if allFlags != row:
-                    mismatchingSignatures.append((signature, row.get(None, []), allFlags.get(None, [])))
-            else:
-                mismatchingSignatures.append((signature, row.get(None, []), []))
+    # Create a sorted set of all the signatures from both the monolithic and
+    # modular dicts.
+    allSignatures = sorted(set(chain(monolithicFlagsDict.keys(), modularFlagsDict.keys())))
+    for signature in allSignatures:
+        monolithicRow = monolithicFlagsDict.get(signature, {})
+        monolithicFlags = monolithicRow.get(None, [])
+        modularRow = modularFlagsDict.get(signature, {})
+        modularFlags = modularRow.get(None, [])
+        if monolithicFlags != modularFlags:
+            mismatchingSignatures.append((signature, modularFlags, monolithicFlags))
+    return mismatchingSignatures
 
+def main(argv):
+    args_parser = argparse.ArgumentParser(description='Verify that sets of hidden API flags are each a subset of the monolithic flag file.')
+    args_parser.add_argument('monolithicFlags', help='The monolithic flag file')
+    args_parser.add_argument('modularFlags', nargs=argparse.REMAINDER, help='Flags produced by individual bootclasspath_fragment modules')
+    args = args_parser.parse_args(argv[1:])
 
-    if mismatchingSignatures:
-        failed = True
-        print("ERROR: Hidden API flags are inconsistent:")
-        print("< " + subsetPath)
-        print("> " + args.all)
-        for mismatch in mismatchingSignatures:
-            print()
-            print("< " + mismatch[0] + "," + ",".join(mismatch[1]))
-            if mismatch[2] != []:
-                print("> " + mismatch[0] + "," + ",".join(mismatch[2]))
-            else:
-                print("> " + mismatch[0] + " - missing")
+    # Read in the monolithic flags into a dict indexed by signature
+    monolithicFlagsPath = args.monolithicFlags
+    monolithicFlagsDict = read_signature_csv_from_file_as_dict(monolithicFlagsPath)
 
-if failed:
-    sys.exit(1)
+    # For each subset specified on the command line, create dicts for the flags
+    # provided by the subset and the corresponding flags from the complete set of
+    # flags and compare them.
+    failed = False
+    for modularPair in args.modularFlags:
+        parts = modularPair.split(":")
+        modularFlagsPath = parts[0]
+        modularPatternsPath = parts[1]
+        modularFlagsDict = read_signature_csv_from_file_as_dict(modularFlagsPath)
+        monolithicFlagsSubsetDict = extract_subset_from_monolithic_flags_as_dict_from_file(monolithicFlagsDict, modularPatternsPath)
+        mismatchingSignatures = compare_signature_flags(monolithicFlagsSubsetDict, modularFlagsDict)
+        if mismatchingSignatures:
+            failed = True
+            print("ERROR: Hidden API flags are inconsistent:")
+            print("< " + modularFlagsPath)
+            print("> " + monolithicFlagsPath)
+            for mismatch in mismatchingSignatures:
+                signature = mismatch[0]
+                print()
+                print("< " + ",".join([signature]+ mismatch[1]))
+                print("> " + ",".join([signature]+ mismatch[2]))
+
+    if failed:
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main(sys.argv)
diff --git a/scripts/hiddenapi/verify_overlaps_test.py b/scripts/hiddenapi/verify_overlaps_test.py
new file mode 100755
index 0000000..b6d5fa3
--- /dev/null
+++ b/scripts/hiddenapi/verify_overlaps_test.py
@@ -0,0 +1,164 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2021 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.
+
+"""Unit tests for verify_overlaps_test.py."""
+import io
+import unittest
+
+from verify_overlaps import *
+
+class TestDetectOverlaps(unittest.TestCase):
+
+    def read_signature_csv_from_string_as_dict(self, csv):
+        with io.StringIO(csv) as f:
+            return read_signature_csv_from_stream_as_dict(f)
+
+    def extract_subset_from_monolithic_flags_as_dict_from_string(self, monolithic, patterns):
+        with io.StringIO(patterns) as f:
+            return extract_subset_from_monolithic_flags_as_dict_from_stream(monolithic, f)
+
+    extractInput = '''
+Ljava/lang/Object;->hashCode()I,public-api,system-api,test-api
+Ljava/lang/Object;->toString()Ljava/lang/String;,blocked
+'''
+
+    def test_extract_subset(self):
+        monolithic = self.read_signature_csv_from_string_as_dict(TestDetectOverlaps.extractInput)
+        modular = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->hashCode()I,public-api,system-api,test-api
+''')
+
+        patterns = 'Ljava/lang/Object;->hashCode()I'
+
+        subset = self.extract_subset_from_monolithic_flags_as_dict_from_string(monolithic, patterns)
+        expected = {
+            'Ljava/lang/Object;->hashCode()I': {
+                None: ['public-api', 'system-api', 'test-api'],
+                'signature': 'Ljava/lang/Object;->hashCode()I',
+            },
+        }
+        self.assertEqual(expected, subset)
+
+    def test_match(self):
+        monolithic = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->hashCode()I,public-api,system-api,test-api
+''')
+        modular = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->hashCode()I,public-api,system-api,test-api
+''')
+        mismatches = compare_signature_flags(monolithic, modular)
+        expected = []
+        self.assertEqual(expected, mismatches)
+
+    def test_mismatch_overlapping_flags(self):
+        monolithic = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->toString()Ljava/lang/String;,public-api
+''')
+        modular = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->toString()Ljava/lang/String;,public-api,system-api,test-api
+''')
+        mismatches = compare_signature_flags(monolithic, modular)
+        expected = [
+            (
+                'Ljava/lang/Object;->toString()Ljava/lang/String;',
+                ['public-api', 'system-api', 'test-api'],
+                ['public-api'],
+            ),
+        ]
+        self.assertEqual(expected, mismatches)
+
+
+    def test_mismatch_monolithic_blocked(self):
+        monolithic = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->toString()Ljava/lang/String;,blocked
+''')
+        modular = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->toString()Ljava/lang/String;,public-api,system-api,test-api
+''')
+        mismatches = compare_signature_flags(monolithic, modular)
+        expected = [
+            (
+                'Ljava/lang/Object;->toString()Ljava/lang/String;',
+                ['public-api', 'system-api', 'test-api'],
+                ['blocked'],
+            ),
+        ]
+        self.assertEqual(expected, mismatches)
+
+    def test_mismatch_modular_blocked(self):
+        monolithic = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->toString()Ljava/lang/String;,public-api,system-api,test-api
+''')
+        modular = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->toString()Ljava/lang/String;,blocked
+''')
+        mismatches = compare_signature_flags(monolithic, modular)
+        expected = [
+            (
+                'Ljava/lang/Object;->toString()Ljava/lang/String;',
+                ['blocked'],
+                ['public-api', 'system-api', 'test-api'],
+            ),
+        ]
+        self.assertEqual(expected, mismatches)
+
+    def test_missing_from_monolithic(self):
+        monolithic = self.read_signature_csv_from_string_as_dict('')
+        modular = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->toString()Ljava/lang/String;,public-api,system-api,test-api
+''')
+        mismatches = compare_signature_flags(monolithic, modular)
+        expected = [
+            (
+                'Ljava/lang/Object;->toString()Ljava/lang/String;',
+                ['public-api', 'system-api', 'test-api'],
+                [],
+            ),
+        ]
+        self.assertEqual(expected, mismatches)
+
+    def test_missing_from_modular(self):
+        monolithic = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->hashCode()I,public-api,system-api,test-api
+''')
+        modular = {}
+        mismatches = compare_signature_flags(monolithic, modular)
+        expected = [
+            (
+                'Ljava/lang/Object;->hashCode()I',
+                [],
+                ['public-api', 'system-api', 'test-api'],
+            ),
+        ]
+        self.assertEqual(expected, mismatches)
+
+    def test_blocked_missing_from_modular(self):
+        monolithic = self.read_signature_csv_from_string_as_dict('''
+Ljava/lang/Object;->hashCode()I,blocked
+''')
+        modular = {}
+        mismatches = compare_signature_flags(monolithic, modular)
+        expected = [
+            (
+                'Ljava/lang/Object;->hashCode()I',
+                [],
+                ['blocked'],
+            ),
+        ]
+        self.assertEqual(expected, mismatches)
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)
diff --git a/scripts/manifest_check.py b/scripts/manifest_check.py
index 8168fbf..4ef4399 100755
--- a/scripts/manifest_check.py
+++ b/scripts/manifest_check.py
@@ -90,6 +90,15 @@
   else:
     manifest_required, manifest_optional, tags = extract_uses_libs_xml(manifest)
 
+  # Trim namespace component. Normally Soong does that automatically when it
+  # handles module names specified in Android.bp properties. However not all
+  # <uses-library> entries in the manifest correspond to real modules: some of
+  # the optional libraries may be missing at build time. Therefor this script
+  # accepts raw module names as spelled in Android.bp/Amdroid.mk and trims the
+  # optional namespace part manually.
+  required = trim_namespace_parts(required)
+  optional = trim_namespace_parts(optional)
+
   if manifest_required == required and manifest_optional == optional:
     return None
 
@@ -118,6 +127,17 @@
   return errmsg
 
 
+MODULE_NAMESPACE = re.compile("^//[^:]+:")
+
+def trim_namespace_parts(modules):
+  """Trim the namespace part of each module, if present. Leave only the name."""
+
+  trimmed = []
+  for module in modules:
+    trimmed.append(MODULE_NAMESPACE.sub('', module))
+  return trimmed
+
+
 def extract_uses_libs_apk(badging):
   """Extract <uses-library> tags from the manifest of an APK."""
 
diff --git a/scripts/manifest_check_test.py b/scripts/manifest_check_test.py
index 7159bdd..e3e8ac4 100755
--- a/scripts/manifest_check_test.py
+++ b/scripts/manifest_check_test.py
@@ -183,6 +183,15 @@
                             optional_uses_libraries=['bar'])
     self.assertTrue(matches)
 
+  def test_mixed_with_namespace(self):
+    xml = self.xml_tmpl % ('\n'.join([uses_library_xml('foo'),
+                                      uses_library_xml('bar', required_xml(False))]))
+    apk = self.apk_tmpl % ('\n'.join([uses_library_apk('foo'),
+                                      uses_library_apk('bar', required_apk(False))]))
+    matches = self.run_test(xml, apk, uses_libraries=['//x/y/z:foo'],
+                            optional_uses_libraries=['//x/y/z:bar'])
+    self.assertTrue(matches)
+
 
 class ExtractTargetSdkVersionTest(unittest.TestCase):
   def run_test(self, xml, apk, version):
diff --git a/scripts/microfactory.bash b/scripts/microfactory.bash
index 4bb6058..5e702e0 100644
--- a/scripts/microfactory.bash
+++ b/scripts/microfactory.bash
@@ -59,7 +59,7 @@
     BUILDDIR=$(getoutdir) \
       SRCDIR=${TOP} \
       BLUEPRINTDIR=${TOP}/build/blueprint \
-      EXTRA_ARGS="-pkg-path android/soong=${TOP}/build/soong -pkg-path github.com/golang/protobuf=${TOP}/external/golang-protobuf" \
+      EXTRA_ARGS="-pkg-path android/soong=${TOP}/build/soong -pkg-path google.golang.org/protobuf=${TOP}/external/golang-protobuf" \
       build_go $@
 }
 
diff --git a/scripts/setup_go_workspace_for_soong.sh b/scripts/setup_go_workspace_for_soong.sh
index 479d09c..434d2fb 100755
--- a/scripts/setup_go_workspace_for_soong.sh
+++ b/scripts/setup_go_workspace_for_soong.sh
@@ -346,7 +346,7 @@
   "${ANDROID_PATH}/build/blueprint|${OUTPUT_PATH}/src/github.com/google/blueprint"
   "${ANDROID_PATH}/build/soong|${OUTPUT_PATH}/src/android/soong"
   "${ANDROID_PATH}/art/build|${OUTPUT_PATH}/src/android/soong/art"
-  "${ANDROID_PATH}/external/golang-protobuf|${OUTPUT_PATH}/src/github.com/golang/protobuf"
+  "${ANDROID_PATH}/external/golang-protobuf|${OUTPUT_PATH}/src/google.golang.org/protobuf"
   "${ANDROID_PATH}/external/llvm/soong|${OUTPUT_PATH}/src/android/soong/llvm"
   "${ANDROID_PATH}/external/clang/soong|${OUTPUT_PATH}/src/android/soong/clang"
   "${ANDROID_PATH}/external/robolectric-shadows/soong|${OUTPUT_PATH}/src/android/soong/robolectric"
diff --git a/sdk/bootclasspath_fragment_sdk_test.go b/sdk/bootclasspath_fragment_sdk_test.go
index 1d2ab42..9166109 100644
--- a/sdk/bootclasspath_fragment_sdk_test.go
+++ b/sdk/bootclasspath_fragment_sdk_test.go
@@ -133,6 +133,14 @@
     apex_available: ["com.android.art"],
     image_name: "art",
     contents: ["mybootlib"],
+    hidden_api: {
+        annotation_flags: "hiddenapi/annotation-flags.csv",
+        metadata: "hiddenapi/metadata.csv",
+        index: "hiddenapi/index.csv",
+        signature_patterns: "hiddenapi/signature-patterns.csv",
+        stub_flags: "hiddenapi/stub-flags.csv",
+        all_flags: "hiddenapi/all-flags.csv",
+    },
 }
 
 java_import {
@@ -140,7 +148,7 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["com.android.art"],
-    jars: ["java/mybootlib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
 }
 `),
 		checkVersionedAndroidBpContents(`
@@ -153,6 +161,14 @@
     apex_available: ["com.android.art"],
     image_name: "art",
     contents: ["mysdk_mybootlib@current"],
+    hidden_api: {
+        annotation_flags: "hiddenapi/annotation-flags.csv",
+        metadata: "hiddenapi/metadata.csv",
+        index: "hiddenapi/index.csv",
+        signature_patterns: "hiddenapi/signature-patterns.csv",
+        stub_flags: "hiddenapi/stub-flags.csv",
+        all_flags: "hiddenapi/all-flags.csv",
+    },
 }
 
 java_import {
@@ -160,7 +176,7 @@
     sdk_member_name: "mybootlib",
     visibility: ["//visibility:public"],
     apex_available: ["com.android.art"],
-    jars: ["java/mybootlib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
 }
 
 sdk_snapshot {
@@ -171,8 +187,14 @@
 }
 `),
 		checkAllCopyRules(`
-.intermediates/mybootlib/android_common/javac/mybootlib.jar -> java/mybootlib.jar
-`),
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/annotation-flags.csv -> hiddenapi/annotation-flags.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/signature-patterns.csv -> hiddenapi/signature-patterns.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/stub-flags.csv -> hiddenapi/stub-flags.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/all-flags.csv -> hiddenapi/all-flags.csv
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
+		`),
 		snapshotTestPreparer(checkSnapshotWithoutSource, preparerForSnapshot),
 
 		// Check the behavior of the snapshot without the source.
@@ -205,7 +227,7 @@
 		java.PrepareForTestWithJavaDefaultModules,
 		java.PrepareForTestWithJavaSdkLibraryFiles,
 		java.FixtureWithLastReleaseApis("mysdklibrary", "myothersdklibrary", "mycoreplatform"),
-		java.FixtureConfigureUpdatableBootJars("myapex:mybootlib", "myapex:myothersdklibrary"),
+		java.FixtureConfigureApexBootJars("myapex:mybootlib", "myapex:myothersdklibrary"),
 		prepareForSdkTestWithApex,
 
 		// Add a platform_bootclasspath that depends on the fragment.
@@ -313,10 +335,11 @@
         stub_libs: ["mycoreplatform"],
     },
     hidden_api: {
-        stub_flags: "hiddenapi/stub-flags.csv",
         annotation_flags: "hiddenapi/annotation-flags.csv",
         metadata: "hiddenapi/metadata.csv",
         index: "hiddenapi/index.csv",
+        signature_patterns: "hiddenapi/signature-patterns.csv",
+        stub_flags: "hiddenapi/stub-flags.csv",
         all_flags: "hiddenapi/all-flags.csv",
     },
 }
@@ -326,7 +349,7 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["myapex"],
-    jars: ["java/mybootlib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
     permitted_packages: ["mybootlib"],
 }
 
@@ -397,10 +420,11 @@
         stub_libs: ["mysdk_mycoreplatform@current"],
     },
     hidden_api: {
-        stub_flags: "hiddenapi/stub-flags.csv",
         annotation_flags: "hiddenapi/annotation-flags.csv",
         metadata: "hiddenapi/metadata.csv",
         index: "hiddenapi/index.csv",
+        signature_patterns: "hiddenapi/signature-patterns.csv",
+        stub_flags: "hiddenapi/stub-flags.csv",
         all_flags: "hiddenapi/all-flags.csv",
     },
 }
@@ -410,7 +434,7 @@
     sdk_member_name: "mybootlib",
     visibility: ["//visibility:public"],
     apex_available: ["myapex"],
-    jars: ["java/mybootlib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
     permitted_packages: ["mybootlib"],
 }
 
@@ -475,12 +499,13 @@
 }
 		`),
 		checkAllCopyRules(`
-.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/stub-flags.csv -> hiddenapi/stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/annotation-flags.csv -> hiddenapi/annotation-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/signature-patterns.csv -> hiddenapi/signature-patterns.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/stub-flags.csv -> hiddenapi/stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/all-flags.csv -> hiddenapi/all-flags.csv
-.intermediates/mybootlib/android_common/javac/mybootlib.jar -> java/mybootlib.jar
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
 .intermediates/myothersdklibrary.stubs/android_common/javac/myothersdklibrary.stubs.jar -> sdk_library/public/myothersdklibrary-stubs.jar
 .intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
 .intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
@@ -519,8 +544,16 @@
 			rule = module.Output("updatable-bcp-packages.txt")
 			expectedContents := `'mybootlib\nmyothersdklibrary\n'`
 			android.AssertStringEquals(t, "updatable-bcp-packages.txt", expectedContents, rule.Args["content"])
+
+			rule = module.Output("out/soong/hiddenapi/hiddenapi-flags.csv.valid")
+			android.AssertStringDoesContain(t, "verify-overlaps", rule.RuleParams.Command, " snapshot/hiddenapi/all-flags.csv:snapshot/hiddenapi/signature-patterns.csv ")
 		}),
 		snapshotTestPreparer(checkSnapshotWithSourcePreferred, preparerForSnapshot),
+		snapshotTestChecker(checkSnapshotWithSourcePreferred, func(t *testing.T, result *android.TestResult) {
+			module := result.ModuleForTests("platform-bootclasspath", "android_common")
+			rule := module.Output("out/soong/hiddenapi/hiddenapi-flags.csv.valid")
+			android.AssertStringDoesContain(t, "verify-overlaps", rule.RuleParams.Command, " out/soong/.intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/all-flags.csv:out/soong/.intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/signature-patterns.csv ")
+		}),
 		snapshotTestPreparer(checkSnapshotPreferredWithSource, preparerForSnapshot),
 	)
 }
@@ -617,10 +650,11 @@
         },
     ],
     hidden_api: {
-        stub_flags: "hiddenapi/stub-flags.csv",
         annotation_flags: "hiddenapi/annotation-flags.csv",
         metadata: "hiddenapi/metadata.csv",
         index: "hiddenapi/index.csv",
+        signature_patterns: "hiddenapi/signature-patterns.csv",
+        stub_flags: "hiddenapi/stub-flags.csv",
         all_flags: "hiddenapi/all-flags.csv",
     },
 }
@@ -709,7 +743,7 @@
 		java.PrepareForTestWithJavaDefaultModules,
 		java.PrepareForTestWithJavaSdkLibraryFiles,
 		java.FixtureWithLastReleaseApis("mysdklibrary"),
-		java.FixtureConfigureUpdatableBootJars("myapex:mybootlib"),
+		java.FixtureConfigureApexBootJars("myapex:mybootlib"),
 		prepareForSdkTestWithApex,
 
 		// Add a platform_bootclasspath that depends on the fragment.
@@ -819,10 +853,11 @@
         max_target_o_low_priority: ["hiddenapi/my-max-target-o-low-priority.txt"],
         blocked: ["hiddenapi/my-blocked.txt"],
         unsupported_packages: ["hiddenapi/my-unsupported-packages.txt"],
-        stub_flags: "hiddenapi/stub-flags.csv",
         annotation_flags: "hiddenapi/annotation-flags.csv",
         metadata: "hiddenapi/metadata.csv",
         index: "hiddenapi/index.csv",
+        signature_patterns: "hiddenapi/signature-patterns.csv",
+        stub_flags: "hiddenapi/stub-flags.csv",
         all_flags: "hiddenapi/all-flags.csv",
     },
 }
@@ -832,7 +867,7 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["myapex"],
-    jars: ["java/mybootlib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
     permitted_packages: ["mybootlib"],
 }
 
@@ -862,12 +897,13 @@
 my-max-target-o-low-priority.txt -> hiddenapi/my-max-target-o-low-priority.txt
 my-blocked.txt -> hiddenapi/my-blocked.txt
 my-unsupported-packages.txt -> hiddenapi/my-unsupported-packages.txt
-.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/stub-flags.csv -> hiddenapi/stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/annotation-flags.csv -> hiddenapi/annotation-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/signature-patterns.csv -> hiddenapi/signature-patterns.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/stub-flags.csv -> hiddenapi/stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/all-flags.csv -> hiddenapi/all-flags.csv
-.intermediates/mybootlib/android_common/javac/mybootlib.jar -> java/mybootlib.jar
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
 .intermediates/mysdklibrary.stubs/android_common/javac/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
 .intermediates/mysdklibrary.stubs.source/android_common/metalava/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
 .intermediates/mysdklibrary.stubs.source/android_common/metalava/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
diff --git a/sdk/cc_sdk_test.go b/sdk/cc_sdk_test.go
index 60fbccf..25e35fc 100644
--- a/sdk/cc_sdk_test.go
+++ b/sdk/cc_sdk_test.go
@@ -347,7 +347,7 @@
 		cc_object {
 			name: "crtobj",
 			stl: "none",
-			default_shared_libs: [],
+			system_shared_libs: [],
 			sanitize: {
 				never: true,
 			},
@@ -365,7 +365,7 @@
     apex_available: ["//apex_available:platform"],
     stl: "none",
     compile_multilib: "both",
-    default_shared_libs: [],
+    system_shared_libs: [],
     sanitize: {
         never: true,
     },
@@ -390,7 +390,7 @@
     apex_available: ["//apex_available:platform"],
     stl: "none",
     compile_multilib: "both",
-    default_shared_libs: [],
+    system_shared_libs: [],
     sanitize: {
         never: true,
     },
@@ -2192,7 +2192,7 @@
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
-			native_shared_libs: ["sslnil", "sslempty", "sslnonempty", "dslnil", "dslempty", "dslnonempty"],
+			native_shared_libs: ["sslnil", "sslempty", "sslnonempty"],
 		}
 
 		cc_library {
@@ -2209,21 +2209,6 @@
 			name: "sslnonempty",
 			system_shared_libs: ["sslnil"],
 		}
-
-		cc_library {
-			name: "dslnil",
-			host_supported: true,
-		}
-
-		cc_library {
-			name: "dslempty",
-			default_shared_libs: [],
-		}
-
-		cc_library {
-			name: "dslnonempty",
-			default_shared_libs: ["sslnil"],
-		}
 	`)
 
 	CheckSnapshot(t, result, "mysdk", "",
@@ -2279,62 +2264,13 @@
         },
     },
 }
-
-cc_prebuilt_library_shared {
-    name: "dslnil",
-    prefer: false,
-    visibility: ["//visibility:public"],
-    apex_available: ["//apex_available:platform"],
-    compile_multilib: "both",
-    arch: {
-        arm64: {
-            srcs: ["arm64/lib/dslnil.so"],
-        },
-        arm: {
-            srcs: ["arm/lib/dslnil.so"],
-        },
-    },
-}
-
-cc_prebuilt_library_shared {
-    name: "dslempty",
-    prefer: false,
-    visibility: ["//visibility:public"],
-    apex_available: ["//apex_available:platform"],
-    compile_multilib: "both",
-    default_shared_libs: [],
-    arch: {
-        arm64: {
-            srcs: ["arm64/lib/dslempty.so"],
-        },
-        arm: {
-            srcs: ["arm/lib/dslempty.so"],
-        },
-    },
-}
-
-cc_prebuilt_library_shared {
-    name: "dslnonempty",
-    prefer: false,
-    visibility: ["//visibility:public"],
-    apex_available: ["//apex_available:platform"],
-    compile_multilib: "both",
-    default_shared_libs: ["sslnil"],
-    arch: {
-        arm64: {
-            srcs: ["arm64/lib/dslnonempty.so"],
-        },
-        arm: {
-            srcs: ["arm/lib/dslnonempty.so"],
-        },
-    },
-}`))
+`))
 
 	result = testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
 			host_supported: true,
-			native_shared_libs: ["sslvariants", "dslvariants"],
+			native_shared_libs: ["sslvariants"],
 		}
 
 		cc_library {
@@ -2346,16 +2282,6 @@
 				},
 			},
 		}
-
-		cc_library {
-			name: "dslvariants",
-			host_supported: true,
-			target: {
-				android: {
-					default_shared_libs: [],
-				},
-			},
-		}
 	`)
 
 	CheckSnapshot(t, result, "mysdk", "",
@@ -2392,37 +2318,6 @@
         },
     },
 }
-
-cc_prebuilt_library_shared {
-    name: "dslvariants",
-    prefer: false,
-    visibility: ["//visibility:public"],
-    apex_available: ["//apex_available:platform"],
-    host_supported: true,
-    compile_multilib: "both",
-    target: {
-        host: {
-            enabled: false,
-        },
-        android: {
-            default_shared_libs: [],
-        },
-        android_arm64: {
-            srcs: ["android/arm64/lib/dslvariants.so"],
-        },
-        android_arm: {
-            srcs: ["android/arm/lib/dslvariants.so"],
-        },
-        linux_glibc_x86_64: {
-            enabled: true,
-            srcs: ["linux_glibc/x86_64/lib/dslvariants.so"],
-        },
-        linux_glibc_x86: {
-            enabled: true,
-            srcs: ["linux_glibc/x86/lib/dslvariants.so"],
-        },
-    },
-}
 `),
 		checkVersionedAndroidBpContents(`
 // This is auto-generated. DO NOT EDIT.
@@ -2459,46 +2354,11 @@
     },
 }
 
-cc_prebuilt_library_shared {
-    name: "mysdk_dslvariants@current",
-    sdk_member_name: "dslvariants",
-    visibility: ["//visibility:public"],
-    apex_available: ["//apex_available:platform"],
-    host_supported: true,
-    installable: false,
-    compile_multilib: "both",
-    target: {
-        host: {
-            enabled: false,
-        },
-        android: {
-            default_shared_libs: [],
-        },
-        android_arm64: {
-            srcs: ["android/arm64/lib/dslvariants.so"],
-        },
-        android_arm: {
-            srcs: ["android/arm/lib/dslvariants.so"],
-        },
-        linux_glibc_x86_64: {
-            enabled: true,
-            srcs: ["linux_glibc/x86_64/lib/dslvariants.so"],
-        },
-        linux_glibc_x86: {
-            enabled: true,
-            srcs: ["linux_glibc/x86/lib/dslvariants.so"],
-        },
-    },
-}
-
 sdk_snapshot {
     name: "mysdk@current",
     visibility: ["//visibility:public"],
     host_supported: true,
-    native_shared_libs: [
-        "mysdk_sslvariants@current",
-        "mysdk_dslvariants@current",
-    ],
+    native_shared_libs: ["mysdk_sslvariants@current"],
     target: {
         host: {
             enabled: false,
diff --git a/sdk/java_sdk_test.go b/sdk/java_sdk_test.go
index 813dcfd..9efb3a4 100644
--- a/sdk/java_sdk_test.go
+++ b/sdk/java_sdk_test.go
@@ -453,7 +453,7 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    jars: ["java/myjavalib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/myjavalib.jar"],
     permitted_packages: ["pkg.myjavalib"],
 }
 `),
@@ -465,7 +465,7 @@
     sdk_member_name: "myjavalib",
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    jars: ["java/myjavalib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/myjavalib.jar"],
     permitted_packages: ["pkg.myjavalib"],
 }
 
@@ -474,9 +474,10 @@
     visibility: ["//visibility:public"],
     java_boot_libs: ["myexports_myjavalib@current"],
 }
+
 `),
 		checkAllCopyRules(`
-.intermediates/myjavalib/android_common/withres/myjavalib.jar -> java/myjavalib.jar
+.intermediates/myexports/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/myjavalib.jar
 `),
 	)
 }
diff --git a/sdk/sdk_test.go b/sdk/sdk_test.go
index 97fb248..85e3d87 100644
--- a/sdk/sdk_test.go
+++ b/sdk/sdk_test.go
@@ -15,19 +15,21 @@
 package sdk
 
 import (
-	"android/soong/android"
 	"log"
 	"os"
+	"runtime"
 	"testing"
 
+	"android/soong/android"
+
 	"github.com/google/blueprint/proptools"
 )
 
 // Needed in an _test.go file in this package to ensure tests run correctly, particularly in IDE.
 func TestMain(m *testing.M) {
-	if android.BuildOs != android.Linux {
+	if runtime.GOOS != "linux" {
 		// b/145598135 - Generating host snapshots for anything other than linux is not supported.
-		log.Printf("Skipping as sdk snapshot generation is only supported on %s not %s", android.Linux, android.BuildOs)
+		log.Printf("Skipping as sdk snapshot generation is only supported on linux not %s", runtime.GOOS)
 		os.Exit(0)
 	}
 
diff --git a/sdk/update.go b/sdk/update.go
index 6da3756..1cd8f13 100644
--- a/sdk/update.go
+++ b/sdk/update.go
@@ -22,6 +22,7 @@
 
 	"android/soong/apex"
 	"android/soong/cc"
+
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
 
@@ -1029,6 +1030,9 @@
 	filesToZip  android.Paths
 	zipsToMerge android.Paths
 
+	// The path to an empty file.
+	emptyFile android.WritablePath
+
 	prebuiltModules map[string]*bpModule
 	prebuiltOrder   []*bpModule
 
@@ -1079,6 +1083,19 @@
 	s.zipsToMerge = append(s.zipsToMerge, tmpZipPath)
 }
 
+func (s *snapshotBuilder) EmptyFile() android.Path {
+	if s.emptyFile == nil {
+		ctx := s.ctx
+		s.emptyFile = android.PathForModuleOut(ctx, "empty")
+		s.ctx.Build(pctx, android.BuildParams{
+			Rule:   android.Touch,
+			Output: s.emptyFile,
+		})
+	}
+
+	return s.emptyFile
+}
+
 func (s *snapshotBuilder) AddPrebuiltModule(member android.SdkMember, moduleType string) android.BpModule {
 	name := member.Name()
 	if s.prebuiltModules[name] != nil {
@@ -1758,7 +1775,7 @@
 	var osTypes []android.OsType
 	for _, osType := range android.OsTypeList() {
 		if s.DeviceSupported() {
-			if osType.Class == android.Device && osType != android.Fuchsia {
+			if osType.Class == android.Device {
 				osTypes = append(osTypes, osType)
 			}
 		}
diff --git a/sh/sh_binary_test.go b/sh/sh_binary_test.go
index 20317d8..865d5f3 100644
--- a/sh/sh_binary_test.go
+++ b/sh/sh_binary_test.go
@@ -115,7 +115,7 @@
 		}
 	`)
 
-	buildOS := android.BuildOs.String()
+	buildOS := config.BuildOS.String()
 	arches := []string{"android_arm64_armv8-a", buildOS + "_x86_64"}
 	for _, arch := range arches {
 		variant := ctx.ModuleForTests("foo", arch)
@@ -155,7 +155,7 @@
 		}
 	`)
 
-	buildOS := android.BuildOs.String()
+	buildOS := ctx.Config().BuildOS.String()
 	mod := ctx.ModuleForTests("foo", buildOS+"_x86_64").Module().(*ShTest)
 	if !mod.Host() {
 		t.Errorf("host bit is not set for a sh_test_host module.")
@@ -192,7 +192,7 @@
 		}
 	`)
 
-	buildOS := android.BuildOs.String()
+	buildOS := config.BuildOS.String()
 	variant := ctx.ModuleForTests("foo", buildOS+"_x86_64")
 
 	relocated := variant.Output("relocated/lib64/libbar.so")
diff --git a/snapshot/Android.bp b/snapshot/Android.bp
new file mode 100644
index 0000000..f17ac53
--- /dev/null
+++ b/snapshot/Android.bp
@@ -0,0 +1,22 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+bootstrap_go_package {
+    name: "soong-snapshot",
+    pkgPath: "android/soong/snapshot",
+    deps: [
+        "blueprint",
+        "blueprint-pathtools",
+        "soong",
+        "soong-android",
+    ],
+    srcs: [
+        "recovery_snapshot.go",
+        "snapshot.go",
+        "snapshot_base.go",
+        "util.go",
+        "vendor_snapshot.go",
+    ],
+    pluginFor: ["soong_build"],
+}
diff --git a/snapshot/recovery_snapshot.go b/snapshot/recovery_snapshot.go
new file mode 100644
index 0000000..9b3919c
--- /dev/null
+++ b/snapshot/recovery_snapshot.go
@@ -0,0 +1,130 @@
+// Copyright 2021 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package snapshot
+
+import "android/soong/android"
+
+// Interface for modules which can be captured in the recovery snapshot.
+type RecoverySnapshotModuleInterface interface {
+	SnapshotModuleInterfaceBase
+	InRecovery() bool
+	ExcludeFromRecoverySnapshot() bool
+}
+
+var recoverySnapshotSingleton = SnapshotSingleton{
+	"recovery",                     // name
+	"SOONG_RECOVERY_SNAPSHOT_ZIP",  // makeVar
+	android.OptionalPath{},         // snapshotZipFile
+	RecoverySnapshotImageSingleton, // Image
+	false,                          // Fake
+}
+
+func RecoverySnapshotSingleton() android.Singleton {
+	return &recoverySnapshotSingleton
+}
+
+// Determine if a dir under source tree is an SoC-owned proprietary directory based
+// on recovery snapshot configuration
+// Examples: device/, vendor/
+func isRecoveryProprietaryPath(dir string, deviceConfig android.DeviceConfig) bool {
+	return RecoverySnapshotSingleton().(*SnapshotSingleton).Image.IsProprietaryPath(dir, deviceConfig)
+}
+
+func IsRecoveryProprietaryModule(ctx android.BaseModuleContext) bool {
+
+	// Any module in a recovery proprietary path is a recovery proprietary
+	// module.
+	if isRecoveryProprietaryPath(ctx.ModuleDir(), ctx.DeviceConfig()) {
+		return true
+	}
+
+	// However if the module is not in a recovery proprietary path, it may
+	// still be a recovery proprietary module. This happens for cc modules
+	// that are excluded from the recovery snapshot, and it means that the
+	// vendor has assumed control of the framework-provided module.
+
+	if c, ok := ctx.Module().(RecoverySnapshotModuleInterface); ok {
+		if c.ExcludeFromRecoverySnapshot() {
+			return true
+		}
+	}
+
+	return false
+}
+
+var RecoverySnapshotImageName = "recovery"
+
+type RecoverySnapshotImage struct{}
+
+func (RecoverySnapshotImage) Init(ctx android.RegistrationContext) {
+	ctx.RegisterSingletonType("recovery-snapshot", RecoverySnapshotSingleton)
+}
+
+func (RecoverySnapshotImage) shouldGenerateSnapshot(ctx android.SingletonContext) bool {
+	// RECOVERY_SNAPSHOT_VERSION must be set to 'current' in order to generate a
+	// snapshot.
+	return ctx.DeviceConfig().RecoverySnapshotVersion() == "current"
+}
+
+func (RecoverySnapshotImage) InImage(m SnapshotModuleInterfaceBase) func() bool {
+	r, ok := m.(RecoverySnapshotModuleInterface)
+
+	if !ok {
+		// This module does not support recovery snapshot
+		return func() bool { return false }
+	}
+	return r.InRecovery
+}
+
+func (RecoverySnapshotImage) IsProprietaryPath(dir string, deviceConfig android.DeviceConfig) bool {
+	return isDirectoryExcluded(dir, deviceConfig.RecoverySnapshotDirsExcludedMap(), deviceConfig.RecoverySnapshotDirsIncludedMap())
+}
+
+func (RecoverySnapshotImage) ExcludeFromSnapshot(m SnapshotModuleInterfaceBase) bool {
+	r, ok := m.(RecoverySnapshotModuleInterface)
+
+	if !ok {
+		// This module does not support recovery snapshot
+		return true
+	}
+	return r.ExcludeFromRecoverySnapshot()
+}
+
+func (RecoverySnapshotImage) IsUsingSnapshot(cfg android.DeviceConfig) bool {
+	recoverySnapshotVersion := cfg.RecoverySnapshotVersion()
+	return recoverySnapshotVersion != "current" && recoverySnapshotVersion != ""
+}
+
+func (RecoverySnapshotImage) TargetSnapshotVersion(cfg android.DeviceConfig) string {
+	return cfg.RecoverySnapshotVersion()
+}
+
+func (RecoverySnapshotImage) ExcludeFromDirectedSnapshot(cfg android.DeviceConfig, name string) bool {
+	// If we're using full snapshot, not directed snapshot, capture every module
+	if !cfg.DirectedRecoverySnapshot() {
+		return false
+	}
+	// Else, checks if name is in RECOVERY_SNAPSHOT_MODULES.
+	return !cfg.RecoverySnapshotModules()[name]
+}
+
+func (RecoverySnapshotImage) ImageName() string {
+	return RecoverySnapshotImageName
+}
+
+var RecoverySnapshotImageSingleton RecoverySnapshotImage
+
+func init() {
+	RecoverySnapshotImageSingleton.Init(android.InitRegistrationContext)
+}
diff --git a/snapshot/snapshot.go b/snapshot/snapshot.go
new file mode 100644
index 0000000..294f8b6
--- /dev/null
+++ b/snapshot/snapshot.go
@@ -0,0 +1,122 @@
+// Copyright 2021 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package snapshot
+
+import (
+	"path/filepath"
+	"sort"
+
+	"android/soong/android"
+)
+
+// This file contains singletons to capture snapshots. This singleton will generate snapshot of each target
+// image, and capturing snapshot module will be delegated to each module which implements GenerateSnapshotAction
+// function and register with RegisterSnapshotAction.
+
+var pctx = android.NewPackageContext("android/soong/snapshot")
+
+type SnapshotSingleton struct {
+	// Name, e.g., "vendor", "recovery", "ramdisk".
+	name string
+
+	// Make variable that points to the snapshot file, e.g.,
+	// "SOONG_RECOVERY_SNAPSHOT_ZIP".
+	makeVar string
+
+	// Path to the snapshot zip file.
+	snapshotZipFile android.OptionalPath
+
+	// Implementation of the image interface specific to the image
+	// associated with this snapshot (e.g., specific to the vendor image,
+	// recovery image, etc.).
+	Image SnapshotImage
+
+	// Whether this singleton is for fake snapshot or not.
+	// Fake snapshot is a snapshot whose prebuilt binaries and headers are empty.
+	// It is much faster to generate, and can be used to inspect dependencies.
+	Fake bool
+}
+
+// Interface of function to capture snapshot from each module
+type GenerateSnapshotAction func(snapshot SnapshotSingleton, ctx android.SingletonContext, snapshotArchDir string) android.Paths
+
+var snapshotActionList []GenerateSnapshotAction
+
+// Register GenerateSnapshotAction function so it can be called while generating snapshot
+func RegisterSnapshotAction(x GenerateSnapshotAction) {
+	snapshotActionList = append(snapshotActionList, x)
+}
+
+func (c *SnapshotSingleton) GenerateBuildActions(ctx android.SingletonContext) {
+	if !c.Image.shouldGenerateSnapshot(ctx) {
+		return
+	}
+
+	var snapshotOutputs android.Paths
+
+	// Snapshot zipped artifacts will be captured under {SNAPSHOT_ARCH} directory
+
+	snapshotDir := c.name + "-snapshot"
+	if c.Fake {
+		// If this is a fake snapshot singleton, place all files under fake/ subdirectory to avoid
+		// collision with real snapshot files
+		snapshotDir = filepath.Join("fake", snapshotDir)
+	}
+	snapshotArchDir := filepath.Join(snapshotDir, ctx.DeviceConfig().DeviceArch())
+
+	for _, f := range snapshotActionList {
+		snapshotOutputs = append(snapshotOutputs, f(*c, ctx, snapshotArchDir)...)
+	}
+
+	// All artifacts are ready. Sort them to normalize ninja and then zip.
+	sort.Slice(snapshotOutputs, func(i, j int) bool {
+		return snapshotOutputs[i].String() < snapshotOutputs[j].String()
+	})
+
+	zipPath := android.PathForOutput(
+		ctx,
+		snapshotDir,
+		c.name+"-"+ctx.Config().DeviceName()+".zip")
+	zipRule := android.NewRuleBuilder(pctx, ctx)
+
+	// filenames in rspfile from FlagWithRspFileInputList might be single-quoted. Remove it with tr
+	snapshotOutputList := android.PathForOutput(
+		ctx,
+		snapshotDir,
+		c.name+"-"+ctx.Config().DeviceName()+"_list")
+	rspFile := snapshotOutputList.ReplaceExtension(ctx, "rsp")
+	zipRule.Command().
+		Text("tr").
+		FlagWithArg("-d ", "\\'").
+		FlagWithRspFileInputList("< ", rspFile, snapshotOutputs).
+		FlagWithOutput("> ", snapshotOutputList)
+
+	zipRule.Temporary(snapshotOutputList)
+
+	zipRule.Command().
+		BuiltTool("soong_zip").
+		FlagWithOutput("-o ", zipPath).
+		FlagWithArg("-C ", android.PathForOutput(ctx, snapshotDir).String()).
+		FlagWithInput("-l ", snapshotOutputList)
+
+	zipRule.Build(zipPath.String(), c.name+" snapshot "+zipPath.String())
+	zipRule.DeleteTemporaryFiles()
+	c.snapshotZipFile = android.OptionalPathForPath(zipPath)
+}
+
+func (c *SnapshotSingleton) MakeVars(ctx android.MakeVarsContext) {
+	ctx.Strict(
+		c.makeVar,
+		c.snapshotZipFile.String())
+}
diff --git a/snapshot/snapshot_base.go b/snapshot/snapshot_base.go
new file mode 100644
index 0000000..de93f3e
--- /dev/null
+++ b/snapshot/snapshot_base.go
@@ -0,0 +1,104 @@
+// Copyright 2021 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package snapshot
+
+import (
+	"android/soong/android"
+	"path/filepath"
+)
+
+// Interface for modules which can be captured in the snapshot.
+type SnapshotModuleInterfaceBase interface{}
+
+// Defines the specifics of different images to which the snapshot process is applicable, e.g.,
+// vendor, recovery, ramdisk.
+type SnapshotImage interface {
+	// Returns true if a snapshot should be generated for this image.
+	shouldGenerateSnapshot(ctx android.SingletonContext) bool
+
+	// Function that returns true if the module is included in this image.
+	// Using a function return instead of a value to prevent early
+	// evalution of a function that may be not be defined.
+	InImage(m SnapshotModuleInterfaceBase) func() bool
+
+	// Returns true if a dir under source tree is an SoC-owned proprietary
+	// directory, such as device/, vendor/, etc.
+	//
+	// For a given snapshot (e.g., vendor, recovery, etc.) if
+	// isProprietaryPath(dir, deviceConfig) returns true, then the module in dir
+	// will be built from sources.
+	IsProprietaryPath(dir string, deviceConfig android.DeviceConfig) bool
+
+	// Whether a given module has been explicitly excluded from the
+	// snapshot, e.g., using the exclude_from_vendor_snapshot or
+	// exclude_from_recovery_snapshot properties.
+	ExcludeFromSnapshot(m SnapshotModuleInterfaceBase) bool
+
+	// Returns true if the build is using a snapshot for this image.
+	IsUsingSnapshot(cfg android.DeviceConfig) bool
+
+	// Returns a version of which the snapshot should be used in this target.
+	// This will only be meaningful when isUsingSnapshot is true.
+	TargetSnapshotVersion(cfg android.DeviceConfig) string
+
+	// Whether to exclude a given module from the directed snapshot or not.
+	// If the makefile variable DIRECTED_{IMAGE}_SNAPSHOT is true, directed snapshot is turned on,
+	// and only modules listed in {IMAGE}_SNAPSHOT_MODULES will be captured.
+	ExcludeFromDirectedSnapshot(cfg android.DeviceConfig, name string) bool
+
+	// Returns target image name
+	ImageName() string
+}
+
+type directoryMap map[string]bool
+
+var (
+	// Modules under following directories are ignored. They are OEM's and vendor's
+	// proprietary modules(device/, kernel/, vendor/, and hardware/).
+	defaultDirectoryExcludedMap = directoryMap{
+		"device":   true,
+		"hardware": true,
+		"kernel":   true,
+		"vendor":   true,
+	}
+
+	// Modules under following directories are included as they are in AOSP,
+	// although hardware/ and kernel/ are normally for vendor's own.
+	defaultDirectoryIncludedMap = directoryMap{
+		"kernel/configs":              true,
+		"kernel/prebuilts":            true,
+		"kernel/tests":                true,
+		"hardware/interfaces":         true,
+		"hardware/libhardware":        true,
+		"hardware/libhardware_legacy": true,
+		"hardware/ril":                true,
+	}
+)
+
+func isDirectoryExcluded(dir string, excludedMap directoryMap, includedMap directoryMap) bool {
+	if dir == "." || dir == "/" {
+		return false
+	}
+	if includedMap[dir] {
+		return false
+	} else if excludedMap[dir] {
+		return true
+	} else if defaultDirectoryIncludedMap[dir] {
+		return false
+	} else if defaultDirectoryExcludedMap[dir] {
+		return true
+	} else {
+		return isDirectoryExcluded(filepath.Dir(dir), excludedMap, includedMap)
+	}
+}
diff --git a/snapshot/util.go b/snapshot/util.go
new file mode 100644
index 0000000..2297dfc
--- /dev/null
+++ b/snapshot/util.go
@@ -0,0 +1,36 @@
+// Copyright 2021 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package snapshot
+
+import "android/soong/android"
+
+func WriteStringToFileRule(ctx android.SingletonContext, content, out string) android.OutputPath {
+	outPath := android.PathForOutput(ctx, out)
+	android.WriteFileRule(ctx, outPath, content)
+	return outPath
+}
+
+func CopyFileRule(pctx android.PackageContext, ctx android.SingletonContext, path android.Path, out string) android.OutputPath {
+	outPath := android.PathForOutput(ctx, out)
+	ctx.Build(pctx, android.BuildParams{
+		Rule:        android.Cp,
+		Input:       path,
+		Output:      outPath,
+		Description: "copy " + path.String() + " -> " + out,
+		Args: map[string]string{
+			"cpFlags": "-f -L",
+		},
+	})
+	return outPath
+}
diff --git a/snapshot/vendor_snapshot.go b/snapshot/vendor_snapshot.go
new file mode 100644
index 0000000..9bd26c2
--- /dev/null
+++ b/snapshot/vendor_snapshot.go
@@ -0,0 +1,147 @@
+// Copyright 2021 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package snapshot
+
+import "android/soong/android"
+
+// Interface for modules which can be captured in the vendor snapshot.
+type VendorSnapshotModuleInterface interface {
+	SnapshotModuleInterfaceBase
+	InVendor() bool
+	ExcludeFromVendorSnapshot() bool
+}
+
+var vendorSnapshotSingleton = SnapshotSingleton{
+	"vendor",                     // name
+	"SOONG_VENDOR_SNAPSHOT_ZIP",  // makeVar
+	android.OptionalPath{},       // snapshotZipFile
+	VendorSnapshotImageSingleton, // Image
+	false,                        // Fake
+}
+
+var vendorFakeSnapshotSingleton = SnapshotSingleton{
+	"vendor",                         // name
+	"SOONG_VENDOR_FAKE_SNAPSHOT_ZIP", // makeVar
+	android.OptionalPath{},           // snapshotZipFile
+	VendorSnapshotImageSingleton,     // Image
+	true,                             // Fake
+}
+
+func VendorSnapshotSingleton() android.Singleton {
+	return &vendorSnapshotSingleton
+}
+
+func VendorFakeSnapshotSingleton() android.Singleton {
+	return &vendorFakeSnapshotSingleton
+}
+
+// Determine if a dir under source tree is an SoC-owned proprietary directory based
+// on vendor snapshot configuration
+// Examples: device/, vendor/
+func isVendorProprietaryPath(dir string, deviceConfig android.DeviceConfig) bool {
+	return VendorSnapshotSingleton().(*SnapshotSingleton).Image.IsProprietaryPath(dir, deviceConfig)
+}
+
+func IsVendorProprietaryModule(ctx android.BaseModuleContext) bool {
+	// Any module in a vendor proprietary path is a vendor proprietary
+	// module.
+	if isVendorProprietaryPath(ctx.ModuleDir(), ctx.DeviceConfig()) {
+		return true
+	}
+
+	// However if the module is not in a vendor proprietary path, it may
+	// still be a vendor proprietary module. This happens for cc modules
+	// that are excluded from the vendor snapshot, and it means that the
+	// vendor has assumed control of the framework-provided module.
+	if c, ok := ctx.Module().(VendorSnapshotModuleInterface); ok {
+		if c.ExcludeFromVendorSnapshot() {
+			return true
+		}
+	}
+
+	return false
+}
+
+var VendorSnapshotImageName = "vendor"
+
+type VendorSnapshotImage struct{}
+
+func (VendorSnapshotImage) Init(ctx android.RegistrationContext) {
+	ctx.RegisterSingletonType("vendor-snapshot", VendorSnapshotSingleton)
+	ctx.RegisterSingletonType("vendor-fake-snapshot", VendorFakeSnapshotSingleton)
+}
+
+func (VendorSnapshotImage) RegisterAdditionalModule(ctx android.RegistrationContext, name string, factory android.ModuleFactory) {
+	ctx.RegisterModuleType(name, factory)
+}
+
+func (VendorSnapshotImage) shouldGenerateSnapshot(ctx android.SingletonContext) bool {
+	// BOARD_VNDK_VERSION must be set to 'current' in order to generate a snapshot.
+	return ctx.DeviceConfig().VndkVersion() == "current"
+}
+
+func (VendorSnapshotImage) InImage(m SnapshotModuleInterfaceBase) func() bool {
+	v, ok := m.(VendorSnapshotModuleInterface)
+
+	if !ok {
+		// This module does not support Vendor snapshot
+		return func() bool { return false }
+	}
+
+	return v.InVendor
+}
+
+func (VendorSnapshotImage) IsProprietaryPath(dir string, deviceConfig android.DeviceConfig) bool {
+	return isDirectoryExcluded(dir, deviceConfig.VendorSnapshotDirsExcludedMap(), deviceConfig.VendorSnapshotDirsIncludedMap())
+}
+
+func (VendorSnapshotImage) ExcludeFromSnapshot(m SnapshotModuleInterfaceBase) bool {
+	v, ok := m.(VendorSnapshotModuleInterface)
+
+	if !ok {
+		// This module does not support Vendor snapshot
+		return true
+	}
+
+	return v.ExcludeFromVendorSnapshot()
+}
+
+func (VendorSnapshotImage) IsUsingSnapshot(cfg android.DeviceConfig) bool {
+	vndkVersion := cfg.VndkVersion()
+	return vndkVersion != "current" && vndkVersion != ""
+}
+
+func (VendorSnapshotImage) TargetSnapshotVersion(cfg android.DeviceConfig) string {
+	return cfg.VndkVersion()
+}
+
+// returns true iff a given module SHOULD BE EXCLUDED, false if included
+func (VendorSnapshotImage) ExcludeFromDirectedSnapshot(cfg android.DeviceConfig, name string) bool {
+	// If we're using full snapshot, not directed snapshot, capture every module
+	if !cfg.DirectedVendorSnapshot() {
+		return false
+	}
+	// Else, checks if name is in VENDOR_SNAPSHOT_MODULES.
+	return !cfg.VendorSnapshotModules()[name]
+}
+
+func (VendorSnapshotImage) ImageName() string {
+	return VendorSnapshotImageName
+}
+
+var VendorSnapshotImageSingleton VendorSnapshotImage
+
+func init() {
+	VendorSnapshotImageSingleton.Init(android.InitRegistrationContext)
+}
diff --git a/tests/lib.sh b/tests/lib.sh
index f1e1efa..1d9b8d4 100644
--- a/tests/lib.sh
+++ b/tests/lib.sh
@@ -86,6 +86,7 @@
 
   symlink_directory prebuilts/go
   symlink_directory prebuilts/build-tools
+  symlink_directory external/go-cmp
   symlink_directory external/golang-protobuf
 
   touch "$MOCK_TOP/Android.bp"
diff --git a/ui/build/config.go b/ui/build/config.go
index cd6d549..918a956 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -25,7 +25,7 @@
 
 	"android/soong/shared"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/proto"
 
 	smpb "android/soong/ui/metrics/metrics_proto"
 )
diff --git a/ui/build/config_test.go b/ui/build/config_test.go
index 7d4c76b..1f2158b 100644
--- a/ui/build/config_test.go
+++ b/ui/build/config_test.go
@@ -29,7 +29,7 @@
 	smpb "android/soong/ui/metrics/metrics_proto"
 	"android/soong/ui/status"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/proto"
 )
 
 func testContext() Context {
diff --git a/ui/build/context.go b/ui/build/context.go
index 43e1e0f..f5e987e 100644
--- a/ui/build/context.go
+++ b/ui/build/context.go
@@ -20,7 +20,7 @@
 
 	"android/soong/ui/logger"
 	"android/soong/ui/metrics"
-	"android/soong/ui/metrics/metrics_proto"
+	soong_metrics_proto "android/soong/ui/metrics/metrics_proto"
 	"android/soong/ui/status"
 	"android/soong/ui/tracer"
 )
diff --git a/ui/build/dumpvars.go b/ui/build/dumpvars.go
index f3c442e..3d16073 100644
--- a/ui/build/dumpvars.go
+++ b/ui/build/dumpvars.go
@@ -261,6 +261,12 @@
 		"BUILD_BROKEN_USES_BUILD_STATIC_LIBRARY",
 	}, exportEnvVars...), BannerVars...)
 
+	// We need Roboleaf converter and runner in the mixed mode
+	runMicrofactory(ctx, config, ".bootstrap/bin/mk2rbc", "android/soong/mk2rbc/cmd",
+		map[string]string{"android/soong": "build/soong"})
+	runMicrofactory(ctx, config, ".bootstrap/bin/rbcrun", "rbcrun/cmd",
+		map[string]string{"go.starlark.net": "external/starlark-go", "rbcrun": "build/make/tools/rbcrun"})
+
 	makeVars, err := dumpMakeVars(ctx, config, config.Arguments(), allVars, true, "")
 	if err != nil {
 		ctx.Fatalln("Error dumping make vars:", err)
diff --git a/ui/build/soong.go b/ui/build/soong.go
index a40457f..190c955 100644
--- a/ui/build/soong.go
+++ b/ui/build/soong.go
@@ -20,18 +20,18 @@
 	"path/filepath"
 	"strconv"
 
-	"android/soong/shared"
-	"github.com/google/blueprint/deptools"
-
+	"android/soong/ui/metrics"
 	soong_metrics_proto "android/soong/ui/metrics/metrics_proto"
+	"android/soong/ui/status"
+
+	"android/soong/shared"
+
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/bootstrap"
-
-	"github.com/golang/protobuf/proto"
+	"github.com/google/blueprint/deptools"
 	"github.com/google/blueprint/microfactory"
 
-	"android/soong/ui/metrics"
-	"android/soong/ui/status"
+	"google.golang.org/protobuf/proto"
 )
 
 const (
@@ -265,20 +265,8 @@
 		}
 	}()
 
-	var cfg microfactory.Config
-	cfg.Map("github.com/google/blueprint", "build/blueprint")
-
-	cfg.TrimPath = absPath(ctx, ".")
-
-	func() {
-		ctx.BeginTrace(metrics.RunSoong, "bpglob")
-		defer ctx.EndTrace()
-
-		bpglob := filepath.Join(config.SoongOutDir(), ".minibootstrap/bpglob")
-		if _, err := microfactory.Build(&cfg, bpglob, "github.com/google/blueprint/bootstrap/bpglob"); err != nil {
-			ctx.Fatalln("Failed to build bpglob:", err)
-		}
-	}()
+	runMicrofactory(ctx, config, ".minibootstrap/bpglob", "github.com/google/blueprint/bootstrap/bpglob",
+		map[string]string{"github.com/google/blueprint": "build/blueprint"})
 
 	ninja := func(name, file string) {
 		ctx.BeginTrace(metrics.RunSoong, name)
@@ -332,6 +320,25 @@
 	}
 }
 
+func runMicrofactory(ctx Context, config Config, relExePath string, pkg string, mapping map[string]string) {
+	name := filepath.Base(relExePath)
+	ctx.BeginTrace(metrics.RunSoong, name)
+	defer ctx.EndTrace()
+	cfg := microfactory.Config{TrimPath: absPath(ctx, ".")}
+	for pkgPrefix, pathPrefix := range mapping {
+		cfg.Map(pkgPrefix, pathPrefix)
+	}
+
+	exePath := filepath.Join(config.SoongOutDir(), relExePath)
+	dir := filepath.Dir(exePath)
+	if err := os.MkdirAll(dir, 0777); err != nil {
+		ctx.Fatalf("cannot create %s: %s", dir, err)
+	}
+	if _, err := microfactory.Build(&cfg, exePath, pkg); err != nil {
+		ctx.Fatalf("failed to build %s: %s", name, err)
+	}
+}
+
 func shouldCollectBuildSoongMetrics(config Config) bool {
 	// Do not collect metrics protobuf if the soong_build binary ran as the
 	// bp2build converter or the JSON graph dump.
diff --git a/ui/build/upload.go b/ui/build/upload.go
index 55ca800..55ada33 100644
--- a/ui/build/upload.go
+++ b/ui/build/upload.go
@@ -24,7 +24,8 @@
 	"time"
 
 	"android/soong/ui/metrics"
-	"github.com/golang/protobuf/proto"
+
+	"google.golang.org/protobuf/proto"
 
 	upload_proto "android/soong/ui/metrics/upload_proto"
 )
diff --git a/ui/metrics/Android.bp b/ui/metrics/Android.bp
index c428ec4..1590ab0 100644
--- a/ui/metrics/Android.bp
+++ b/ui/metrics/Android.bp
@@ -37,7 +37,10 @@
 bootstrap_go_package {
     name: "soong-ui-metrics_proto",
     pkgPath: "android/soong/ui/metrics/metrics_proto",
-    deps: ["golang-protobuf-proto"],
+    deps: [
+        "golang-protobuf-reflect-protoreflect",
+        "golang-protobuf-runtime-protoimpl",
+    ],
     srcs: [
         "metrics_proto/metrics.pb.go",
     ],
@@ -46,7 +49,10 @@
 bootstrap_go_package {
     name: "soong-ui-metrics_upload_proto",
     pkgPath: "android/soong/ui/metrics/upload_proto",
-    deps: ["golang-protobuf-proto"],
+    deps: [
+        "golang-protobuf-reflect-protoreflect",
+        "golang-protobuf-runtime-protoimpl",
+    ],
     srcs: [
         "upload_proto/upload.pb.go",
     ],
diff --git a/ui/metrics/event.go b/ui/metrics/event.go
index 87c1b84..c3367e3 100644
--- a/ui/metrics/event.go
+++ b/ui/metrics/event.go
@@ -30,10 +30,10 @@
 	"syscall"
 	"time"
 
-	"android/soong/ui/metrics/metrics_proto"
+	soong_metrics_proto "android/soong/ui/metrics/metrics_proto"
 	"android/soong/ui/tracer"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/proto"
 )
 
 // _now wraps the time.Now() function. _now is declared for unit testing purpose.
diff --git a/ui/metrics/metrics.go b/ui/metrics/metrics.go
index efb572c..ccf9bd8 100644
--- a/ui/metrics/metrics.go
+++ b/ui/metrics/metrics.go
@@ -43,9 +43,9 @@
 	"strings"
 	"time"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/proto"
 
-	"android/soong/ui/metrics/metrics_proto"
+	soong_metrics_proto "android/soong/ui/metrics/metrics_proto"
 )
 
 const (
diff --git a/ui/metrics/metrics_proto/metrics.pb.go b/ui/metrics/metrics_proto/metrics.pb.go
index 1063337..697e954 100644
--- a/ui/metrics/metrics_proto/metrics.pb.go
+++ b/ui/metrics/metrics_proto/metrics.pb.go
@@ -1,24 +1,38 @@
+// Copyright 2018 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.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.9.1
 // source: metrics.proto
 
-package soong_metrics_proto
+package metrics_proto
 
 import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
 
 type MetricsBase_BuildVariant int32
 
@@ -28,17 +42,19 @@
 	MetricsBase_ENG       MetricsBase_BuildVariant = 2
 )
 
-var MetricsBase_BuildVariant_name = map[int32]string{
-	0: "USER",
-	1: "USERDEBUG",
-	2: "ENG",
-}
-
-var MetricsBase_BuildVariant_value = map[string]int32{
-	"USER":      0,
-	"USERDEBUG": 1,
-	"ENG":       2,
-}
+// Enum value maps for MetricsBase_BuildVariant.
+var (
+	MetricsBase_BuildVariant_name = map[int32]string{
+		0: "USER",
+		1: "USERDEBUG",
+		2: "ENG",
+	}
+	MetricsBase_BuildVariant_value = map[string]int32{
+		"USER":      0,
+		"USERDEBUG": 1,
+		"ENG":       2,
+	}
+)
 
 func (x MetricsBase_BuildVariant) Enum() *MetricsBase_BuildVariant {
 	p := new(MetricsBase_BuildVariant)
@@ -47,20 +63,34 @@
 }
 
 func (x MetricsBase_BuildVariant) String() string {
-	return proto.EnumName(MetricsBase_BuildVariant_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
-func (x *MetricsBase_BuildVariant) UnmarshalJSON(data []byte) error {
-	value, err := proto.UnmarshalJSONEnum(MetricsBase_BuildVariant_value, data, "MetricsBase_BuildVariant")
+func (MetricsBase_BuildVariant) Descriptor() protoreflect.EnumDescriptor {
+	return file_metrics_proto_enumTypes[0].Descriptor()
+}
+
+func (MetricsBase_BuildVariant) Type() protoreflect.EnumType {
+	return &file_metrics_proto_enumTypes[0]
+}
+
+func (x MetricsBase_BuildVariant) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Do not use.
+func (x *MetricsBase_BuildVariant) UnmarshalJSON(b []byte) error {
+	num, err := protoimpl.X.UnmarshalJSONEnum(x.Descriptor(), b)
 	if err != nil {
 		return err
 	}
-	*x = MetricsBase_BuildVariant(value)
+	*x = MetricsBase_BuildVariant(num)
 	return nil
 }
 
+// Deprecated: Use MetricsBase_BuildVariant.Descriptor instead.
 func (MetricsBase_BuildVariant) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{0, 0}
+	return file_metrics_proto_rawDescGZIP(), []int{0, 0}
 }
 
 type MetricsBase_Arch int32
@@ -73,21 +103,23 @@
 	MetricsBase_X86_64  MetricsBase_Arch = 4
 )
 
-var MetricsBase_Arch_name = map[int32]string{
-	0: "UNKNOWN",
-	1: "ARM",
-	2: "ARM64",
-	3: "X86",
-	4: "X86_64",
-}
-
-var MetricsBase_Arch_value = map[string]int32{
-	"UNKNOWN": 0,
-	"ARM":     1,
-	"ARM64":   2,
-	"X86":     3,
-	"X86_64":  4,
-}
+// Enum value maps for MetricsBase_Arch.
+var (
+	MetricsBase_Arch_name = map[int32]string{
+		0: "UNKNOWN",
+		1: "ARM",
+		2: "ARM64",
+		3: "X86",
+		4: "X86_64",
+	}
+	MetricsBase_Arch_value = map[string]int32{
+		"UNKNOWN": 0,
+		"ARM":     1,
+		"ARM64":   2,
+		"X86":     3,
+		"X86_64":  4,
+	}
+)
 
 func (x MetricsBase_Arch) Enum() *MetricsBase_Arch {
 	p := new(MetricsBase_Arch)
@@ -96,20 +128,34 @@
 }
 
 func (x MetricsBase_Arch) String() string {
-	return proto.EnumName(MetricsBase_Arch_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
-func (x *MetricsBase_Arch) UnmarshalJSON(data []byte) error {
-	value, err := proto.UnmarshalJSONEnum(MetricsBase_Arch_value, data, "MetricsBase_Arch")
+func (MetricsBase_Arch) Descriptor() protoreflect.EnumDescriptor {
+	return file_metrics_proto_enumTypes[1].Descriptor()
+}
+
+func (MetricsBase_Arch) Type() protoreflect.EnumType {
+	return &file_metrics_proto_enumTypes[1]
+}
+
+func (x MetricsBase_Arch) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Do not use.
+func (x *MetricsBase_Arch) UnmarshalJSON(b []byte) error {
+	num, err := protoimpl.X.UnmarshalJSONEnum(x.Descriptor(), b)
 	if err != nil {
 		return err
 	}
-	*x = MetricsBase_Arch(value)
+	*x = MetricsBase_Arch(num)
 	return nil
 }
 
+// Deprecated: Use MetricsBase_Arch.Descriptor instead.
 func (MetricsBase_Arch) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{0, 1}
+	return file_metrics_proto_rawDescGZIP(), []int{0, 1}
 }
 
 type ModuleTypeInfo_BuildSystem int32
@@ -120,17 +166,19 @@
 	ModuleTypeInfo_MAKE    ModuleTypeInfo_BuildSystem = 2
 )
 
-var ModuleTypeInfo_BuildSystem_name = map[int32]string{
-	0: "UNKNOWN",
-	1: "SOONG",
-	2: "MAKE",
-}
-
-var ModuleTypeInfo_BuildSystem_value = map[string]int32{
-	"UNKNOWN": 0,
-	"SOONG":   1,
-	"MAKE":    2,
-}
+// Enum value maps for ModuleTypeInfo_BuildSystem.
+var (
+	ModuleTypeInfo_BuildSystem_name = map[int32]string{
+		0: "UNKNOWN",
+		1: "SOONG",
+		2: "MAKE",
+	}
+	ModuleTypeInfo_BuildSystem_value = map[string]int32{
+		"UNKNOWN": 0,
+		"SOONG":   1,
+		"MAKE":    2,
+	}
+)
 
 func (x ModuleTypeInfo_BuildSystem) Enum() *ModuleTypeInfo_BuildSystem {
 	p := new(ModuleTypeInfo_BuildSystem)
@@ -139,23 +187,41 @@
 }
 
 func (x ModuleTypeInfo_BuildSystem) String() string {
-	return proto.EnumName(ModuleTypeInfo_BuildSystem_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
-func (x *ModuleTypeInfo_BuildSystem) UnmarshalJSON(data []byte) error {
-	value, err := proto.UnmarshalJSONEnum(ModuleTypeInfo_BuildSystem_value, data, "ModuleTypeInfo_BuildSystem")
+func (ModuleTypeInfo_BuildSystem) Descriptor() protoreflect.EnumDescriptor {
+	return file_metrics_proto_enumTypes[2].Descriptor()
+}
+
+func (ModuleTypeInfo_BuildSystem) Type() protoreflect.EnumType {
+	return &file_metrics_proto_enumTypes[2]
+}
+
+func (x ModuleTypeInfo_BuildSystem) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Do not use.
+func (x *ModuleTypeInfo_BuildSystem) UnmarshalJSON(b []byte) error {
+	num, err := protoimpl.X.UnmarshalJSONEnum(x.Descriptor(), b)
 	if err != nil {
 		return err
 	}
-	*x = ModuleTypeInfo_BuildSystem(value)
+	*x = ModuleTypeInfo_BuildSystem(num)
 	return nil
 }
 
+// Deprecated: Use ModuleTypeInfo_BuildSystem.Descriptor instead.
 func (ModuleTypeInfo_BuildSystem) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{5, 0}
+	return file_metrics_proto_rawDescGZIP(), []int{5, 0}
 }
 
 type MetricsBase struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Timestamp generated when the build starts.
 	BuildDateTimestamp *int64 `protobuf:"varint,1,opt,name=build_date_timestamp,json=buildDateTimestamp" json:"build_date_timestamp,omitempty"`
 	// It is usually used to specify the branch name [and release candidate].
@@ -207,232 +273,243 @@
 	// The build command that the user entered to the build system.
 	BuildCommand *string `protobuf:"bytes,26,opt,name=build_command,json=buildCommand" json:"build_command,omitempty"`
 	// The metrics for calling Bazel.
-	BazelRuns            []*PerfInfo `protobuf:"bytes,27,rep,name=bazel_runs,json=bazelRuns" json:"bazel_runs,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
-	XXX_unrecognized     []byte      `json:"-"`
-	XXX_sizecache        int32       `json:"-"`
+	BazelRuns []*PerfInfo `protobuf:"bytes,27,rep,name=bazel_runs,json=bazelRuns" json:"bazel_runs,omitempty"`
 }
 
-func (m *MetricsBase) Reset()         { *m = MetricsBase{} }
-func (m *MetricsBase) String() string { return proto.CompactTextString(m) }
-func (*MetricsBase) ProtoMessage()    {}
+// Default values for MetricsBase fields.
+const (
+	Default_MetricsBase_TargetBuildVariant = MetricsBase_ENG
+	Default_MetricsBase_TargetArch         = MetricsBase_UNKNOWN
+	Default_MetricsBase_HostArch           = MetricsBase_UNKNOWN
+	Default_MetricsBase_Host_2NdArch       = MetricsBase_UNKNOWN
+)
+
+func (x *MetricsBase) Reset() {
+	*x = MetricsBase{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_metrics_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MetricsBase) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MetricsBase) ProtoMessage() {}
+
+func (x *MetricsBase) ProtoReflect() protoreflect.Message {
+	mi := &file_metrics_proto_msgTypes[0]
+	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 MetricsBase.ProtoReflect.Descriptor instead.
 func (*MetricsBase) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{0}
+	return file_metrics_proto_rawDescGZIP(), []int{0}
 }
 
-func (m *MetricsBase) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_MetricsBase.Unmarshal(m, b)
-}
-func (m *MetricsBase) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_MetricsBase.Marshal(b, m, deterministic)
-}
-func (m *MetricsBase) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MetricsBase.Merge(m, src)
-}
-func (m *MetricsBase) XXX_Size() int {
-	return xxx_messageInfo_MetricsBase.Size(m)
-}
-func (m *MetricsBase) XXX_DiscardUnknown() {
-	xxx_messageInfo_MetricsBase.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_MetricsBase proto.InternalMessageInfo
-
-const Default_MetricsBase_TargetBuildVariant MetricsBase_BuildVariant = MetricsBase_ENG
-const Default_MetricsBase_TargetArch MetricsBase_Arch = MetricsBase_UNKNOWN
-const Default_MetricsBase_HostArch MetricsBase_Arch = MetricsBase_UNKNOWN
-const Default_MetricsBase_Host_2NdArch MetricsBase_Arch = MetricsBase_UNKNOWN
-
-func (m *MetricsBase) GetBuildDateTimestamp() int64 {
-	if m != nil && m.BuildDateTimestamp != nil {
-		return *m.BuildDateTimestamp
+func (x *MetricsBase) GetBuildDateTimestamp() int64 {
+	if x != nil && x.BuildDateTimestamp != nil {
+		return *x.BuildDateTimestamp
 	}
 	return 0
 }
 
-func (m *MetricsBase) GetBuildId() string {
-	if m != nil && m.BuildId != nil {
-		return *m.BuildId
+func (x *MetricsBase) GetBuildId() string {
+	if x != nil && x.BuildId != nil {
+		return *x.BuildId
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetPlatformVersionCodename() string {
-	if m != nil && m.PlatformVersionCodename != nil {
-		return *m.PlatformVersionCodename
+func (x *MetricsBase) GetPlatformVersionCodename() string {
+	if x != nil && x.PlatformVersionCodename != nil {
+		return *x.PlatformVersionCodename
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetTargetProduct() string {
-	if m != nil && m.TargetProduct != nil {
-		return *m.TargetProduct
+func (x *MetricsBase) GetTargetProduct() string {
+	if x != nil && x.TargetProduct != nil {
+		return *x.TargetProduct
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetTargetBuildVariant() MetricsBase_BuildVariant {
-	if m != nil && m.TargetBuildVariant != nil {
-		return *m.TargetBuildVariant
+func (x *MetricsBase) GetTargetBuildVariant() MetricsBase_BuildVariant {
+	if x != nil && x.TargetBuildVariant != nil {
+		return *x.TargetBuildVariant
 	}
 	return Default_MetricsBase_TargetBuildVariant
 }
 
-func (m *MetricsBase) GetTargetArch() MetricsBase_Arch {
-	if m != nil && m.TargetArch != nil {
-		return *m.TargetArch
+func (x *MetricsBase) GetTargetArch() MetricsBase_Arch {
+	if x != nil && x.TargetArch != nil {
+		return *x.TargetArch
 	}
 	return Default_MetricsBase_TargetArch
 }
 
-func (m *MetricsBase) GetTargetArchVariant() string {
-	if m != nil && m.TargetArchVariant != nil {
-		return *m.TargetArchVariant
+func (x *MetricsBase) GetTargetArchVariant() string {
+	if x != nil && x.TargetArchVariant != nil {
+		return *x.TargetArchVariant
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetTargetCpuVariant() string {
-	if m != nil && m.TargetCpuVariant != nil {
-		return *m.TargetCpuVariant
+func (x *MetricsBase) GetTargetCpuVariant() string {
+	if x != nil && x.TargetCpuVariant != nil {
+		return *x.TargetCpuVariant
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetHostArch() MetricsBase_Arch {
-	if m != nil && m.HostArch != nil {
-		return *m.HostArch
+func (x *MetricsBase) GetHostArch() MetricsBase_Arch {
+	if x != nil && x.HostArch != nil {
+		return *x.HostArch
 	}
 	return Default_MetricsBase_HostArch
 }
 
-func (m *MetricsBase) GetHost_2NdArch() MetricsBase_Arch {
-	if m != nil && m.Host_2NdArch != nil {
-		return *m.Host_2NdArch
+func (x *MetricsBase) GetHost_2NdArch() MetricsBase_Arch {
+	if x != nil && x.Host_2NdArch != nil {
+		return *x.Host_2NdArch
 	}
 	return Default_MetricsBase_Host_2NdArch
 }
 
-func (m *MetricsBase) GetHostOs() string {
-	if m != nil && m.HostOs != nil {
-		return *m.HostOs
+func (x *MetricsBase) GetHostOs() string {
+	if x != nil && x.HostOs != nil {
+		return *x.HostOs
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetHostOsExtra() string {
-	if m != nil && m.HostOsExtra != nil {
-		return *m.HostOsExtra
+func (x *MetricsBase) GetHostOsExtra() string {
+	if x != nil && x.HostOsExtra != nil {
+		return *x.HostOsExtra
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetHostCrossOs() string {
-	if m != nil && m.HostCrossOs != nil {
-		return *m.HostCrossOs
+func (x *MetricsBase) GetHostCrossOs() string {
+	if x != nil && x.HostCrossOs != nil {
+		return *x.HostCrossOs
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetHostCrossArch() string {
-	if m != nil && m.HostCrossArch != nil {
-		return *m.HostCrossArch
+func (x *MetricsBase) GetHostCrossArch() string {
+	if x != nil && x.HostCrossArch != nil {
+		return *x.HostCrossArch
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetHostCross_2NdArch() string {
-	if m != nil && m.HostCross_2NdArch != nil {
-		return *m.HostCross_2NdArch
+func (x *MetricsBase) GetHostCross_2NdArch() string {
+	if x != nil && x.HostCross_2NdArch != nil {
+		return *x.HostCross_2NdArch
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetOutDir() string {
-	if m != nil && m.OutDir != nil {
-		return *m.OutDir
+func (x *MetricsBase) GetOutDir() string {
+	if x != nil && x.OutDir != nil {
+		return *x.OutDir
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetSetupTools() []*PerfInfo {
-	if m != nil {
-		return m.SetupTools
+func (x *MetricsBase) GetSetupTools() []*PerfInfo {
+	if x != nil {
+		return x.SetupTools
 	}
 	return nil
 }
 
-func (m *MetricsBase) GetKatiRuns() []*PerfInfo {
-	if m != nil {
-		return m.KatiRuns
+func (x *MetricsBase) GetKatiRuns() []*PerfInfo {
+	if x != nil {
+		return x.KatiRuns
 	}
 	return nil
 }
 
-func (m *MetricsBase) GetSoongRuns() []*PerfInfo {
-	if m != nil {
-		return m.SoongRuns
+func (x *MetricsBase) GetSoongRuns() []*PerfInfo {
+	if x != nil {
+		return x.SoongRuns
 	}
 	return nil
 }
 
-func (m *MetricsBase) GetNinjaRuns() []*PerfInfo {
-	if m != nil {
-		return m.NinjaRuns
+func (x *MetricsBase) GetNinjaRuns() []*PerfInfo {
+	if x != nil {
+		return x.NinjaRuns
 	}
 	return nil
 }
 
-func (m *MetricsBase) GetTotal() *PerfInfo {
-	if m != nil {
-		return m.Total
+func (x *MetricsBase) GetTotal() *PerfInfo {
+	if x != nil {
+		return x.Total
 	}
 	return nil
 }
 
-func (m *MetricsBase) GetSoongBuildMetrics() *SoongBuildMetrics {
-	if m != nil {
-		return m.SoongBuildMetrics
+func (x *MetricsBase) GetSoongBuildMetrics() *SoongBuildMetrics {
+	if x != nil {
+		return x.SoongBuildMetrics
 	}
 	return nil
 }
 
-func (m *MetricsBase) GetBuildConfig() *BuildConfig {
-	if m != nil {
-		return m.BuildConfig
+func (x *MetricsBase) GetBuildConfig() *BuildConfig {
+	if x != nil {
+		return x.BuildConfig
 	}
 	return nil
 }
 
-func (m *MetricsBase) GetHostname() string {
-	if m != nil && m.Hostname != nil {
-		return *m.Hostname
+func (x *MetricsBase) GetHostname() string {
+	if x != nil && x.Hostname != nil {
+		return *x.Hostname
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetSystemResourceInfo() *SystemResourceInfo {
-	if m != nil {
-		return m.SystemResourceInfo
+func (x *MetricsBase) GetSystemResourceInfo() *SystemResourceInfo {
+	if x != nil {
+		return x.SystemResourceInfo
 	}
 	return nil
 }
 
-func (m *MetricsBase) GetBuildCommand() string {
-	if m != nil && m.BuildCommand != nil {
-		return *m.BuildCommand
+func (x *MetricsBase) GetBuildCommand() string {
+	if x != nil && x.BuildCommand != nil {
+		return *x.BuildCommand
 	}
 	return ""
 }
 
-func (m *MetricsBase) GetBazelRuns() []*PerfInfo {
-	if m != nil {
-		return m.BazelRuns
+func (x *MetricsBase) GetBazelRuns() []*PerfInfo {
+	if x != nil {
+		return x.BazelRuns
 	}
 	return nil
 }
 
 type BuildConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	UseGoma      *bool `protobuf:"varint,1,opt,name=use_goma,json=useGoma" json:"use_goma,omitempty"`
 	UseRbe       *bool `protobuf:"varint,2,opt,name=use_rbe,json=useRbe" json:"use_rbe,omitempty"`
 	ForceUseGoma *bool `protobuf:"varint,3,opt,name=force_use_goma,json=forceUseGoma" json:"force_use_goma,omitempty"`
@@ -440,122 +517,138 @@
 	BazelAsNinja *bool `protobuf:"varint,4,opt,name=bazel_as_ninja,json=bazelAsNinja" json:"bazel_as_ninja,omitempty"`
 	// Whether build is occurring in a mixed build mode, where Bazel maintains the
 	// definition and build of some modules in cooperation with Soong.
-	BazelMixedBuild      *bool    `protobuf:"varint,5,opt,name=bazel_mixed_build,json=bazelMixedBuild" json:"bazel_mixed_build,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	BazelMixedBuild *bool `protobuf:"varint,5,opt,name=bazel_mixed_build,json=bazelMixedBuild" json:"bazel_mixed_build,omitempty"`
 }
 
-func (m *BuildConfig) Reset()         { *m = BuildConfig{} }
-func (m *BuildConfig) String() string { return proto.CompactTextString(m) }
-func (*BuildConfig) ProtoMessage()    {}
+func (x *BuildConfig) Reset() {
+	*x = BuildConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_metrics_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BuildConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BuildConfig) ProtoMessage() {}
+
+func (x *BuildConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_metrics_proto_msgTypes[1]
+	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 BuildConfig.ProtoReflect.Descriptor instead.
 func (*BuildConfig) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{1}
+	return file_metrics_proto_rawDescGZIP(), []int{1}
 }
 
-func (m *BuildConfig) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_BuildConfig.Unmarshal(m, b)
-}
-func (m *BuildConfig) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_BuildConfig.Marshal(b, m, deterministic)
-}
-func (m *BuildConfig) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_BuildConfig.Merge(m, src)
-}
-func (m *BuildConfig) XXX_Size() int {
-	return xxx_messageInfo_BuildConfig.Size(m)
-}
-func (m *BuildConfig) XXX_DiscardUnknown() {
-	xxx_messageInfo_BuildConfig.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_BuildConfig proto.InternalMessageInfo
-
-func (m *BuildConfig) GetUseGoma() bool {
-	if m != nil && m.UseGoma != nil {
-		return *m.UseGoma
+func (x *BuildConfig) GetUseGoma() bool {
+	if x != nil && x.UseGoma != nil {
+		return *x.UseGoma
 	}
 	return false
 }
 
-func (m *BuildConfig) GetUseRbe() bool {
-	if m != nil && m.UseRbe != nil {
-		return *m.UseRbe
+func (x *BuildConfig) GetUseRbe() bool {
+	if x != nil && x.UseRbe != nil {
+		return *x.UseRbe
 	}
 	return false
 }
 
-func (m *BuildConfig) GetForceUseGoma() bool {
-	if m != nil && m.ForceUseGoma != nil {
-		return *m.ForceUseGoma
+func (x *BuildConfig) GetForceUseGoma() bool {
+	if x != nil && x.ForceUseGoma != nil {
+		return *x.ForceUseGoma
 	}
 	return false
 }
 
-func (m *BuildConfig) GetBazelAsNinja() bool {
-	if m != nil && m.BazelAsNinja != nil {
-		return *m.BazelAsNinja
+func (x *BuildConfig) GetBazelAsNinja() bool {
+	if x != nil && x.BazelAsNinja != nil {
+		return *x.BazelAsNinja
 	}
 	return false
 }
 
-func (m *BuildConfig) GetBazelMixedBuild() bool {
-	if m != nil && m.BazelMixedBuild != nil {
-		return *m.BazelMixedBuild
+func (x *BuildConfig) GetBazelMixedBuild() bool {
+	if x != nil && x.BazelMixedBuild != nil {
+		return *x.BazelMixedBuild
 	}
 	return false
 }
 
 type SystemResourceInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// The total physical memory in bytes.
 	TotalPhysicalMemory *uint64 `protobuf:"varint,1,opt,name=total_physical_memory,json=totalPhysicalMemory" json:"total_physical_memory,omitempty"`
 	// The total of available cores for building
-	AvailableCpus        *int32   `protobuf:"varint,2,opt,name=available_cpus,json=availableCpus" json:"available_cpus,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	AvailableCpus *int32 `protobuf:"varint,2,opt,name=available_cpus,json=availableCpus" json:"available_cpus,omitempty"`
 }
 
-func (m *SystemResourceInfo) Reset()         { *m = SystemResourceInfo{} }
-func (m *SystemResourceInfo) String() string { return proto.CompactTextString(m) }
-func (*SystemResourceInfo) ProtoMessage()    {}
+func (x *SystemResourceInfo) Reset() {
+	*x = SystemResourceInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_metrics_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SystemResourceInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SystemResourceInfo) ProtoMessage() {}
+
+func (x *SystemResourceInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_metrics_proto_msgTypes[2]
+	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 SystemResourceInfo.ProtoReflect.Descriptor instead.
 func (*SystemResourceInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{2}
+	return file_metrics_proto_rawDescGZIP(), []int{2}
 }
 
-func (m *SystemResourceInfo) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SystemResourceInfo.Unmarshal(m, b)
-}
-func (m *SystemResourceInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SystemResourceInfo.Marshal(b, m, deterministic)
-}
-func (m *SystemResourceInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SystemResourceInfo.Merge(m, src)
-}
-func (m *SystemResourceInfo) XXX_Size() int {
-	return xxx_messageInfo_SystemResourceInfo.Size(m)
-}
-func (m *SystemResourceInfo) XXX_DiscardUnknown() {
-	xxx_messageInfo_SystemResourceInfo.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SystemResourceInfo proto.InternalMessageInfo
-
-func (m *SystemResourceInfo) GetTotalPhysicalMemory() uint64 {
-	if m != nil && m.TotalPhysicalMemory != nil {
-		return *m.TotalPhysicalMemory
+func (x *SystemResourceInfo) GetTotalPhysicalMemory() uint64 {
+	if x != nil && x.TotalPhysicalMemory != nil {
+		return *x.TotalPhysicalMemory
 	}
 	return 0
 }
 
-func (m *SystemResourceInfo) GetAvailableCpus() int32 {
-	if m != nil && m.AvailableCpus != nil {
-		return *m.AvailableCpus
+func (x *SystemResourceInfo) GetAvailableCpus() int32 {
+	if x != nil && x.AvailableCpus != nil {
+		return *x.AvailableCpus
 	}
 	return 0
 }
 
 type PerfInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// The description for the phase/action/part while the tool running.
 	Desc *string `protobuf:"bytes,1,opt,name=desc" json:"desc,omitempty"`
 	// The name for the running phase/action/part.
@@ -567,83 +660,93 @@
 	// The number of nanoseconds elapsed since start_time.
 	RealTime *uint64 `protobuf:"varint,4,opt,name=real_time,json=realTime" json:"real_time,omitempty"`
 	// The number of MB for memory use (deprecated as it is too generic).
-	MemoryUse *uint64 `protobuf:"varint,5,opt,name=memory_use,json=memoryUse" json:"memory_use,omitempty"` // Deprecated: Do not use.
+	//
+	// Deprecated: Do not use.
+	MemoryUse *uint64 `protobuf:"varint,5,opt,name=memory_use,json=memoryUse" json:"memory_use,omitempty"`
 	// The resource information of each executed process.
 	ProcessesResourceInfo []*ProcessResourceInfo `protobuf:"bytes,6,rep,name=processes_resource_info,json=processesResourceInfo" json:"processes_resource_info,omitempty"`
-	XXX_NoUnkeyedLiteral  struct{}               `json:"-"`
-	XXX_unrecognized      []byte                 `json:"-"`
-	XXX_sizecache         int32                  `json:"-"`
 }
 
-func (m *PerfInfo) Reset()         { *m = PerfInfo{} }
-func (m *PerfInfo) String() string { return proto.CompactTextString(m) }
-func (*PerfInfo) ProtoMessage()    {}
+func (x *PerfInfo) Reset() {
+	*x = PerfInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_metrics_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PerfInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PerfInfo) ProtoMessage() {}
+
+func (x *PerfInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_metrics_proto_msgTypes[3]
+	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 PerfInfo.ProtoReflect.Descriptor instead.
 func (*PerfInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{3}
+	return file_metrics_proto_rawDescGZIP(), []int{3}
 }
 
-func (m *PerfInfo) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_PerfInfo.Unmarshal(m, b)
-}
-func (m *PerfInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_PerfInfo.Marshal(b, m, deterministic)
-}
-func (m *PerfInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_PerfInfo.Merge(m, src)
-}
-func (m *PerfInfo) XXX_Size() int {
-	return xxx_messageInfo_PerfInfo.Size(m)
-}
-func (m *PerfInfo) XXX_DiscardUnknown() {
-	xxx_messageInfo_PerfInfo.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_PerfInfo proto.InternalMessageInfo
-
-func (m *PerfInfo) GetDesc() string {
-	if m != nil && m.Desc != nil {
-		return *m.Desc
+func (x *PerfInfo) GetDesc() string {
+	if x != nil && x.Desc != nil {
+		return *x.Desc
 	}
 	return ""
 }
 
-func (m *PerfInfo) GetName() string {
-	if m != nil && m.Name != nil {
-		return *m.Name
+func (x *PerfInfo) GetName() string {
+	if x != nil && x.Name != nil {
+		return *x.Name
 	}
 	return ""
 }
 
-func (m *PerfInfo) GetStartTime() uint64 {
-	if m != nil && m.StartTime != nil {
-		return *m.StartTime
+func (x *PerfInfo) GetStartTime() uint64 {
+	if x != nil && x.StartTime != nil {
+		return *x.StartTime
 	}
 	return 0
 }
 
-func (m *PerfInfo) GetRealTime() uint64 {
-	if m != nil && m.RealTime != nil {
-		return *m.RealTime
+func (x *PerfInfo) GetRealTime() uint64 {
+	if x != nil && x.RealTime != nil {
+		return *x.RealTime
 	}
 	return 0
 }
 
 // Deprecated: Do not use.
-func (m *PerfInfo) GetMemoryUse() uint64 {
-	if m != nil && m.MemoryUse != nil {
-		return *m.MemoryUse
+func (x *PerfInfo) GetMemoryUse() uint64 {
+	if x != nil && x.MemoryUse != nil {
+		return *x.MemoryUse
 	}
 	return 0
 }
 
-func (m *PerfInfo) GetProcessesResourceInfo() []*ProcessResourceInfo {
-	if m != nil {
-		return m.ProcessesResourceInfo
+func (x *PerfInfo) GetProcessesResourceInfo() []*ProcessResourceInfo {
+	if x != nil {
+		return x.ProcessesResourceInfo
 	}
 	return nil
 }
 
 type ProcessResourceInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// The name of the process for identification.
 	Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
 	// The amount of time spent executing in user space in microseconds.
@@ -663,257 +766,292 @@
 	// The number of voluntary context switches
 	VoluntaryContextSwitches *uint64 `protobuf:"varint,9,opt,name=voluntary_context_switches,json=voluntaryContextSwitches" json:"voluntary_context_switches,omitempty"`
 	// The number of involuntary context switches
-	InvoluntaryContextSwitches *uint64  `protobuf:"varint,10,opt,name=involuntary_context_switches,json=involuntaryContextSwitches" json:"involuntary_context_switches,omitempty"`
-	XXX_NoUnkeyedLiteral       struct{} `json:"-"`
-	XXX_unrecognized           []byte   `json:"-"`
-	XXX_sizecache              int32    `json:"-"`
+	InvoluntaryContextSwitches *uint64 `protobuf:"varint,10,opt,name=involuntary_context_switches,json=involuntaryContextSwitches" json:"involuntary_context_switches,omitempty"`
 }
 
-func (m *ProcessResourceInfo) Reset()         { *m = ProcessResourceInfo{} }
-func (m *ProcessResourceInfo) String() string { return proto.CompactTextString(m) }
-func (*ProcessResourceInfo) ProtoMessage()    {}
+func (x *ProcessResourceInfo) Reset() {
+	*x = ProcessResourceInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_metrics_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ProcessResourceInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ProcessResourceInfo) ProtoMessage() {}
+
+func (x *ProcessResourceInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_metrics_proto_msgTypes[4]
+	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 ProcessResourceInfo.ProtoReflect.Descriptor instead.
 func (*ProcessResourceInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{4}
+	return file_metrics_proto_rawDescGZIP(), []int{4}
 }
 
-func (m *ProcessResourceInfo) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ProcessResourceInfo.Unmarshal(m, b)
-}
-func (m *ProcessResourceInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ProcessResourceInfo.Marshal(b, m, deterministic)
-}
-func (m *ProcessResourceInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ProcessResourceInfo.Merge(m, src)
-}
-func (m *ProcessResourceInfo) XXX_Size() int {
-	return xxx_messageInfo_ProcessResourceInfo.Size(m)
-}
-func (m *ProcessResourceInfo) XXX_DiscardUnknown() {
-	xxx_messageInfo_ProcessResourceInfo.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ProcessResourceInfo proto.InternalMessageInfo
-
-func (m *ProcessResourceInfo) GetName() string {
-	if m != nil && m.Name != nil {
-		return *m.Name
+func (x *ProcessResourceInfo) GetName() string {
+	if x != nil && x.Name != nil {
+		return *x.Name
 	}
 	return ""
 }
 
-func (m *ProcessResourceInfo) GetUserTimeMicros() uint64 {
-	if m != nil && m.UserTimeMicros != nil {
-		return *m.UserTimeMicros
+func (x *ProcessResourceInfo) GetUserTimeMicros() uint64 {
+	if x != nil && x.UserTimeMicros != nil {
+		return *x.UserTimeMicros
 	}
 	return 0
 }
 
-func (m *ProcessResourceInfo) GetSystemTimeMicros() uint64 {
-	if m != nil && m.SystemTimeMicros != nil {
-		return *m.SystemTimeMicros
+func (x *ProcessResourceInfo) GetSystemTimeMicros() uint64 {
+	if x != nil && x.SystemTimeMicros != nil {
+		return *x.SystemTimeMicros
 	}
 	return 0
 }
 
-func (m *ProcessResourceInfo) GetMaxRssKb() uint64 {
-	if m != nil && m.MaxRssKb != nil {
-		return *m.MaxRssKb
+func (x *ProcessResourceInfo) GetMaxRssKb() uint64 {
+	if x != nil && x.MaxRssKb != nil {
+		return *x.MaxRssKb
 	}
 	return 0
 }
 
-func (m *ProcessResourceInfo) GetMinorPageFaults() uint64 {
-	if m != nil && m.MinorPageFaults != nil {
-		return *m.MinorPageFaults
+func (x *ProcessResourceInfo) GetMinorPageFaults() uint64 {
+	if x != nil && x.MinorPageFaults != nil {
+		return *x.MinorPageFaults
 	}
 	return 0
 }
 
-func (m *ProcessResourceInfo) GetMajorPageFaults() uint64 {
-	if m != nil && m.MajorPageFaults != nil {
-		return *m.MajorPageFaults
+func (x *ProcessResourceInfo) GetMajorPageFaults() uint64 {
+	if x != nil && x.MajorPageFaults != nil {
+		return *x.MajorPageFaults
 	}
 	return 0
 }
 
-func (m *ProcessResourceInfo) GetIoInputKb() uint64 {
-	if m != nil && m.IoInputKb != nil {
-		return *m.IoInputKb
+func (x *ProcessResourceInfo) GetIoInputKb() uint64 {
+	if x != nil && x.IoInputKb != nil {
+		return *x.IoInputKb
 	}
 	return 0
 }
 
-func (m *ProcessResourceInfo) GetIoOutputKb() uint64 {
-	if m != nil && m.IoOutputKb != nil {
-		return *m.IoOutputKb
+func (x *ProcessResourceInfo) GetIoOutputKb() uint64 {
+	if x != nil && x.IoOutputKb != nil {
+		return *x.IoOutputKb
 	}
 	return 0
 }
 
-func (m *ProcessResourceInfo) GetVoluntaryContextSwitches() uint64 {
-	if m != nil && m.VoluntaryContextSwitches != nil {
-		return *m.VoluntaryContextSwitches
+func (x *ProcessResourceInfo) GetVoluntaryContextSwitches() uint64 {
+	if x != nil && x.VoluntaryContextSwitches != nil {
+		return *x.VoluntaryContextSwitches
 	}
 	return 0
 }
 
-func (m *ProcessResourceInfo) GetInvoluntaryContextSwitches() uint64 {
-	if m != nil && m.InvoluntaryContextSwitches != nil {
-		return *m.InvoluntaryContextSwitches
+func (x *ProcessResourceInfo) GetInvoluntaryContextSwitches() uint64 {
+	if x != nil && x.InvoluntaryContextSwitches != nil {
+		return *x.InvoluntaryContextSwitches
 	}
 	return 0
 }
 
 type ModuleTypeInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// The build system, eg. Soong or Make.
 	BuildSystem *ModuleTypeInfo_BuildSystem `protobuf:"varint,1,opt,name=build_system,json=buildSystem,enum=soong_build_metrics.ModuleTypeInfo_BuildSystem,def=0" json:"build_system,omitempty"`
 	// The module type, eg. java_library, cc_binary, and etc.
 	ModuleType *string `protobuf:"bytes,2,opt,name=module_type,json=moduleType" json:"module_type,omitempty"`
 	// The number of logical modules.
-	NumOfModules         *uint32  `protobuf:"varint,3,opt,name=num_of_modules,json=numOfModules" json:"num_of_modules,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	NumOfModules *uint32 `protobuf:"varint,3,opt,name=num_of_modules,json=numOfModules" json:"num_of_modules,omitempty"`
 }
 
-func (m *ModuleTypeInfo) Reset()         { *m = ModuleTypeInfo{} }
-func (m *ModuleTypeInfo) String() string { return proto.CompactTextString(m) }
-func (*ModuleTypeInfo) ProtoMessage()    {}
+// Default values for ModuleTypeInfo fields.
+const (
+	Default_ModuleTypeInfo_BuildSystem = ModuleTypeInfo_UNKNOWN
+)
+
+func (x *ModuleTypeInfo) Reset() {
+	*x = ModuleTypeInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_metrics_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ModuleTypeInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ModuleTypeInfo) ProtoMessage() {}
+
+func (x *ModuleTypeInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_metrics_proto_msgTypes[5]
+	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 ModuleTypeInfo.ProtoReflect.Descriptor instead.
 func (*ModuleTypeInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{5}
+	return file_metrics_proto_rawDescGZIP(), []int{5}
 }
 
-func (m *ModuleTypeInfo) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ModuleTypeInfo.Unmarshal(m, b)
-}
-func (m *ModuleTypeInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ModuleTypeInfo.Marshal(b, m, deterministic)
-}
-func (m *ModuleTypeInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ModuleTypeInfo.Merge(m, src)
-}
-func (m *ModuleTypeInfo) XXX_Size() int {
-	return xxx_messageInfo_ModuleTypeInfo.Size(m)
-}
-func (m *ModuleTypeInfo) XXX_DiscardUnknown() {
-	xxx_messageInfo_ModuleTypeInfo.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ModuleTypeInfo proto.InternalMessageInfo
-
-const Default_ModuleTypeInfo_BuildSystem ModuleTypeInfo_BuildSystem = ModuleTypeInfo_UNKNOWN
-
-func (m *ModuleTypeInfo) GetBuildSystem() ModuleTypeInfo_BuildSystem {
-	if m != nil && m.BuildSystem != nil {
-		return *m.BuildSystem
+func (x *ModuleTypeInfo) GetBuildSystem() ModuleTypeInfo_BuildSystem {
+	if x != nil && x.BuildSystem != nil {
+		return *x.BuildSystem
 	}
 	return Default_ModuleTypeInfo_BuildSystem
 }
 
-func (m *ModuleTypeInfo) GetModuleType() string {
-	if m != nil && m.ModuleType != nil {
-		return *m.ModuleType
+func (x *ModuleTypeInfo) GetModuleType() string {
+	if x != nil && x.ModuleType != nil {
+		return *x.ModuleType
 	}
 	return ""
 }
 
-func (m *ModuleTypeInfo) GetNumOfModules() uint32 {
-	if m != nil && m.NumOfModules != nil {
-		return *m.NumOfModules
+func (x *ModuleTypeInfo) GetNumOfModules() uint32 {
+	if x != nil && x.NumOfModules != nil {
+		return *x.NumOfModules
 	}
 	return 0
 }
 
 type CriticalUserJourneyMetrics struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// The name of a critical user journey test.
 	Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
 	// The metrics produced when running the critical user journey test.
-	Metrics              *MetricsBase `protobuf:"bytes,2,opt,name=metrics" json:"metrics,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}     `json:"-"`
-	XXX_unrecognized     []byte       `json:"-"`
-	XXX_sizecache        int32        `json:"-"`
+	Metrics *MetricsBase `protobuf:"bytes,2,opt,name=metrics" json:"metrics,omitempty"`
 }
 
-func (m *CriticalUserJourneyMetrics) Reset()         { *m = CriticalUserJourneyMetrics{} }
-func (m *CriticalUserJourneyMetrics) String() string { return proto.CompactTextString(m) }
-func (*CriticalUserJourneyMetrics) ProtoMessage()    {}
+func (x *CriticalUserJourneyMetrics) Reset() {
+	*x = CriticalUserJourneyMetrics{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_metrics_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CriticalUserJourneyMetrics) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CriticalUserJourneyMetrics) ProtoMessage() {}
+
+func (x *CriticalUserJourneyMetrics) ProtoReflect() protoreflect.Message {
+	mi := &file_metrics_proto_msgTypes[6]
+	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 CriticalUserJourneyMetrics.ProtoReflect.Descriptor instead.
 func (*CriticalUserJourneyMetrics) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{6}
+	return file_metrics_proto_rawDescGZIP(), []int{6}
 }
 
-func (m *CriticalUserJourneyMetrics) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_CriticalUserJourneyMetrics.Unmarshal(m, b)
-}
-func (m *CriticalUserJourneyMetrics) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_CriticalUserJourneyMetrics.Marshal(b, m, deterministic)
-}
-func (m *CriticalUserJourneyMetrics) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_CriticalUserJourneyMetrics.Merge(m, src)
-}
-func (m *CriticalUserJourneyMetrics) XXX_Size() int {
-	return xxx_messageInfo_CriticalUserJourneyMetrics.Size(m)
-}
-func (m *CriticalUserJourneyMetrics) XXX_DiscardUnknown() {
-	xxx_messageInfo_CriticalUserJourneyMetrics.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_CriticalUserJourneyMetrics proto.InternalMessageInfo
-
-func (m *CriticalUserJourneyMetrics) GetName() string {
-	if m != nil && m.Name != nil {
-		return *m.Name
+func (x *CriticalUserJourneyMetrics) GetName() string {
+	if x != nil && x.Name != nil {
+		return *x.Name
 	}
 	return ""
 }
 
-func (m *CriticalUserJourneyMetrics) GetMetrics() *MetricsBase {
-	if m != nil {
-		return m.Metrics
+func (x *CriticalUserJourneyMetrics) GetMetrics() *MetricsBase {
+	if x != nil {
+		return x.Metrics
 	}
 	return nil
 }
 
 type CriticalUserJourneysMetrics struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// A set of metrics from a run of the critical user journey tests.
-	Cujs                 []*CriticalUserJourneyMetrics `protobuf:"bytes,1,rep,name=cujs" json:"cujs,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                      `json:"-"`
-	XXX_unrecognized     []byte                        `json:"-"`
-	XXX_sizecache        int32                         `json:"-"`
+	Cujs []*CriticalUserJourneyMetrics `protobuf:"bytes,1,rep,name=cujs" json:"cujs,omitempty"`
 }
 
-func (m *CriticalUserJourneysMetrics) Reset()         { *m = CriticalUserJourneysMetrics{} }
-func (m *CriticalUserJourneysMetrics) String() string { return proto.CompactTextString(m) }
-func (*CriticalUserJourneysMetrics) ProtoMessage()    {}
+func (x *CriticalUserJourneysMetrics) Reset() {
+	*x = CriticalUserJourneysMetrics{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_metrics_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CriticalUserJourneysMetrics) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CriticalUserJourneysMetrics) ProtoMessage() {}
+
+func (x *CriticalUserJourneysMetrics) ProtoReflect() protoreflect.Message {
+	mi := &file_metrics_proto_msgTypes[7]
+	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 CriticalUserJourneysMetrics.ProtoReflect.Descriptor instead.
 func (*CriticalUserJourneysMetrics) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{7}
+	return file_metrics_proto_rawDescGZIP(), []int{7}
 }
 
-func (m *CriticalUserJourneysMetrics) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_CriticalUserJourneysMetrics.Unmarshal(m, b)
-}
-func (m *CriticalUserJourneysMetrics) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_CriticalUserJourneysMetrics.Marshal(b, m, deterministic)
-}
-func (m *CriticalUserJourneysMetrics) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_CriticalUserJourneysMetrics.Merge(m, src)
-}
-func (m *CriticalUserJourneysMetrics) XXX_Size() int {
-	return xxx_messageInfo_CriticalUserJourneysMetrics.Size(m)
-}
-func (m *CriticalUserJourneysMetrics) XXX_DiscardUnknown() {
-	xxx_messageInfo_CriticalUserJourneysMetrics.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_CriticalUserJourneysMetrics proto.InternalMessageInfo
-
-func (m *CriticalUserJourneysMetrics) GetCujs() []*CriticalUserJourneyMetrics {
-	if m != nil {
-		return m.Cujs
+func (x *CriticalUserJourneysMetrics) GetCujs() []*CriticalUserJourneyMetrics {
+	if x != nil {
+		return x.Cujs
 	}
 	return nil
 }
 
 type SoongBuildMetrics struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// The number of modules handled by soong_build.
 	Modules *uint32 `protobuf:"varint,1,opt,name=modules" json:"modules,omitempty"`
 	// The total number of variants handled by soong_build.
@@ -923,180 +1061,475 @@
 	// The total size of allocations in soong_build in bytes.
 	TotalAllocSize *uint64 `protobuf:"varint,4,opt,name=total_alloc_size,json=totalAllocSize" json:"total_alloc_size,omitempty"`
 	// The approximate maximum size of the heap in soong_build in bytes.
-	MaxHeapSize          *uint64  `protobuf:"varint,5,opt,name=max_heap_size,json=maxHeapSize" json:"max_heap_size,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	MaxHeapSize *uint64 `protobuf:"varint,5,opt,name=max_heap_size,json=maxHeapSize" json:"max_heap_size,omitempty"`
 }
 
-func (m *SoongBuildMetrics) Reset()         { *m = SoongBuildMetrics{} }
-func (m *SoongBuildMetrics) String() string { return proto.CompactTextString(m) }
-func (*SoongBuildMetrics) ProtoMessage()    {}
+func (x *SoongBuildMetrics) Reset() {
+	*x = SoongBuildMetrics{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_metrics_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SoongBuildMetrics) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SoongBuildMetrics) ProtoMessage() {}
+
+func (x *SoongBuildMetrics) ProtoReflect() protoreflect.Message {
+	mi := &file_metrics_proto_msgTypes[8]
+	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 SoongBuildMetrics.ProtoReflect.Descriptor instead.
 func (*SoongBuildMetrics) Descriptor() ([]byte, []int) {
-	return fileDescriptor_6039342a2ba47b72, []int{8}
+	return file_metrics_proto_rawDescGZIP(), []int{8}
 }
 
-func (m *SoongBuildMetrics) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_SoongBuildMetrics.Unmarshal(m, b)
-}
-func (m *SoongBuildMetrics) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_SoongBuildMetrics.Marshal(b, m, deterministic)
-}
-func (m *SoongBuildMetrics) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SoongBuildMetrics.Merge(m, src)
-}
-func (m *SoongBuildMetrics) XXX_Size() int {
-	return xxx_messageInfo_SoongBuildMetrics.Size(m)
-}
-func (m *SoongBuildMetrics) XXX_DiscardUnknown() {
-	xxx_messageInfo_SoongBuildMetrics.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_SoongBuildMetrics proto.InternalMessageInfo
-
-func (m *SoongBuildMetrics) GetModules() uint32 {
-	if m != nil && m.Modules != nil {
-		return *m.Modules
+func (x *SoongBuildMetrics) GetModules() uint32 {
+	if x != nil && x.Modules != nil {
+		return *x.Modules
 	}
 	return 0
 }
 
-func (m *SoongBuildMetrics) GetVariants() uint32 {
-	if m != nil && m.Variants != nil {
-		return *m.Variants
+func (x *SoongBuildMetrics) GetVariants() uint32 {
+	if x != nil && x.Variants != nil {
+		return *x.Variants
 	}
 	return 0
 }
 
-func (m *SoongBuildMetrics) GetTotalAllocCount() uint64 {
-	if m != nil && m.TotalAllocCount != nil {
-		return *m.TotalAllocCount
+func (x *SoongBuildMetrics) GetTotalAllocCount() uint64 {
+	if x != nil && x.TotalAllocCount != nil {
+		return *x.TotalAllocCount
 	}
 	return 0
 }
 
-func (m *SoongBuildMetrics) GetTotalAllocSize() uint64 {
-	if m != nil && m.TotalAllocSize != nil {
-		return *m.TotalAllocSize
+func (x *SoongBuildMetrics) GetTotalAllocSize() uint64 {
+	if x != nil && x.TotalAllocSize != nil {
+		return *x.TotalAllocSize
 	}
 	return 0
 }
 
-func (m *SoongBuildMetrics) GetMaxHeapSize() uint64 {
-	if m != nil && m.MaxHeapSize != nil {
-		return *m.MaxHeapSize
+func (x *SoongBuildMetrics) GetMaxHeapSize() uint64 {
+	if x != nil && x.MaxHeapSize != nil {
+		return *x.MaxHeapSize
 	}
 	return 0
 }
 
-func init() {
-	proto.RegisterEnum("soong_build_metrics.MetricsBase_BuildVariant", MetricsBase_BuildVariant_name, MetricsBase_BuildVariant_value)
-	proto.RegisterEnum("soong_build_metrics.MetricsBase_Arch", MetricsBase_Arch_name, MetricsBase_Arch_value)
-	proto.RegisterEnum("soong_build_metrics.ModuleTypeInfo_BuildSystem", ModuleTypeInfo_BuildSystem_name, ModuleTypeInfo_BuildSystem_value)
-	proto.RegisterType((*MetricsBase)(nil), "soong_build_metrics.MetricsBase")
-	proto.RegisterType((*BuildConfig)(nil), "soong_build_metrics.BuildConfig")
-	proto.RegisterType((*SystemResourceInfo)(nil), "soong_build_metrics.SystemResourceInfo")
-	proto.RegisterType((*PerfInfo)(nil), "soong_build_metrics.PerfInfo")
-	proto.RegisterType((*ProcessResourceInfo)(nil), "soong_build_metrics.ProcessResourceInfo")
-	proto.RegisterType((*ModuleTypeInfo)(nil), "soong_build_metrics.ModuleTypeInfo")
-	proto.RegisterType((*CriticalUserJourneyMetrics)(nil), "soong_build_metrics.CriticalUserJourneyMetrics")
-	proto.RegisterType((*CriticalUserJourneysMetrics)(nil), "soong_build_metrics.CriticalUserJourneysMetrics")
-	proto.RegisterType((*SoongBuildMetrics)(nil), "soong_build_metrics.SoongBuildMetrics")
+var File_metrics_proto protoreflect.FileDescriptor
+
+var file_metrics_proto_rawDesc = []byte{
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 }
 
-func init() {
-	proto.RegisterFile("metrics.proto", fileDescriptor_6039342a2ba47b72)
+var (
+	file_metrics_proto_rawDescOnce sync.Once
+	file_metrics_proto_rawDescData = file_metrics_proto_rawDesc
+)
+
+func file_metrics_proto_rawDescGZIP() []byte {
+	file_metrics_proto_rawDescOnce.Do(func() {
+		file_metrics_proto_rawDescData = protoimpl.X.CompressGZIP(file_metrics_proto_rawDescData)
+	})
+	return file_metrics_proto_rawDescData
 }
 
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+var file_metrics_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
+var file_metrics_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+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
+	(*MetricsBase)(nil),                 // 3: soong_build_metrics.MetricsBase
+	(*BuildConfig)(nil),                 // 4: soong_build_metrics.BuildConfig
+	(*SystemResourceInfo)(nil),          // 5: soong_build_metrics.SystemResourceInfo
+	(*PerfInfo)(nil),                    // 6: soong_build_metrics.PerfInfo
+	(*ProcessResourceInfo)(nil),         // 7: soong_build_metrics.ProcessResourceInfo
+	(*ModuleTypeInfo)(nil),              // 8: soong_build_metrics.ModuleTypeInfo
+	(*CriticalUserJourneyMetrics)(nil),  // 9: soong_build_metrics.CriticalUserJourneyMetrics
+	(*CriticalUserJourneysMetrics)(nil), // 10: soong_build_metrics.CriticalUserJourneysMetrics
+	(*SoongBuildMetrics)(nil),           // 11: soong_build_metrics.SoongBuildMetrics
+}
+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
+	6,  // 4: soong_build_metrics.MetricsBase.setup_tools:type_name -> soong_build_metrics.PerfInfo
+	6,  // 5: soong_build_metrics.MetricsBase.kati_runs:type_name -> soong_build_metrics.PerfInfo
+	6,  // 6: soong_build_metrics.MetricsBase.soong_runs:type_name -> soong_build_metrics.PerfInfo
+	6,  // 7: soong_build_metrics.MetricsBase.ninja_runs:type_name -> soong_build_metrics.PerfInfo
+	6,  // 8: soong_build_metrics.MetricsBase.total:type_name -> soong_build_metrics.PerfInfo
+	11, // 9: soong_build_metrics.MetricsBase.soong_build_metrics:type_name -> soong_build_metrics.SoongBuildMetrics
+	4,  // 10: soong_build_metrics.MetricsBase.build_config:type_name -> soong_build_metrics.BuildConfig
+	5,  // 11: soong_build_metrics.MetricsBase.system_resource_info:type_name -> soong_build_metrics.SystemResourceInfo
+	6,  // 12: soong_build_metrics.MetricsBase.bazel_runs:type_name -> soong_build_metrics.PerfInfo
+	7,  // 13: soong_build_metrics.PerfInfo.processes_resource_info:type_name -> soong_build_metrics.ProcessResourceInfo
+	2,  // 14: soong_build_metrics.ModuleTypeInfo.build_system:type_name -> soong_build_metrics.ModuleTypeInfo.BuildSystem
+	3,  // 15: soong_build_metrics.CriticalUserJourneyMetrics.metrics:type_name -> soong_build_metrics.MetricsBase
+	9,  // 16: soong_build_metrics.CriticalUserJourneysMetrics.cujs:type_name -> soong_build_metrics.CriticalUserJourneyMetrics
+	17, // [17:17] is the sub-list for method output_type
+	17, // [17:17] is the sub-list for method input_type
+	17, // [17:17] is the sub-list for extension type_name
+	17, // [17:17] is the sub-list for extension extendee
+	0,  // [0:17] is the sub-list for field type_name
+}
+
+func init() { file_metrics_proto_init() }
+func file_metrics_proto_init() {
+	if File_metrics_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_metrics_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MetricsBase); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_metrics_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BuildConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_metrics_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SystemResourceInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_metrics_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PerfInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_metrics_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ProcessResourceInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_metrics_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ModuleTypeInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_metrics_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CriticalUserJourneyMetrics); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_metrics_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CriticalUserJourneysMetrics); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_metrics_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SoongBuildMetrics); 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:      3,
+			NumMessages:   9,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_metrics_proto_goTypes,
+		DependencyIndexes: file_metrics_proto_depIdxs,
+		EnumInfos:         file_metrics_proto_enumTypes,
+		MessageInfos:      file_metrics_proto_msgTypes,
+	}.Build()
+	File_metrics_proto = out.File
+	file_metrics_proto_rawDesc = nil
+	file_metrics_proto_goTypes = nil
+	file_metrics_proto_depIdxs = nil
 }
diff --git a/ui/metrics/metrics_proto/metrics.proto b/ui/metrics/metrics_proto/metrics.proto
index b284bf9..ef42f54 100644
--- a/ui/metrics/metrics_proto/metrics.proto
+++ b/ui/metrics/metrics_proto/metrics.proto
@@ -15,7 +15,7 @@
 syntax = "proto2";
 
 package soong_build_metrics;
-option go_package = "soong_metrics_proto";
+option go_package = "android/soong/ui/metrics/metrics_proto";
 
 message MetricsBase {
   // Timestamp generated when the build starts.
diff --git a/ui/metrics/upload_proto/upload.pb.go b/ui/metrics/upload_proto/upload.pb.go
index 614d4c7..9c8fb06 100644
--- a/ui/metrics/upload_proto/upload.pb.go
+++ b/ui/metrics/upload_proto/upload.pb.go
@@ -1,26 +1,44 @@
+// Copyright 2020 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.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.9.1
 // source: upload.proto
 
-package soong_metrics_upload_proto
+package upload_proto
 
 import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
 
 type Upload struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// The timestamp in milliseconds that the build was created.
 	CreationTimestampMs *uint64 `protobuf:"varint,1,opt,name=creation_timestamp_ms,json=creationTimestampMs" json:"creation_timestamp_ms,omitempty"`
 	// The timestamp in milliseconds when the build was completed.
@@ -33,102 +51,169 @@
 	MetricsFiles []string `protobuf:"bytes,5,rep,name=metrics_files,json=metricsFiles" json:"metrics_files,omitempty"`
 	// A list of directories to delete after the copy of metrics files
 	// is completed for uploading.
-	DirectoriesToDelete  []string `protobuf:"bytes,6,rep,name=directories_to_delete,json=directoriesToDelete" json:"directories_to_delete,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	DirectoriesToDelete []string `protobuf:"bytes,6,rep,name=directories_to_delete,json=directoriesToDelete" json:"directories_to_delete,omitempty"`
 }
 
-func (m *Upload) Reset()         { *m = Upload{} }
-func (m *Upload) String() string { return proto.CompactTextString(m) }
-func (*Upload) ProtoMessage()    {}
+func (x *Upload) Reset() {
+	*x = Upload{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_upload_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Upload) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Upload) ProtoMessage() {}
+
+func (x *Upload) ProtoReflect() protoreflect.Message {
+	mi := &file_upload_proto_msgTypes[0]
+	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 Upload.ProtoReflect.Descriptor instead.
 func (*Upload) Descriptor() ([]byte, []int) {
-	return fileDescriptor_91b94b655bd2a7e5, []int{0}
+	return file_upload_proto_rawDescGZIP(), []int{0}
 }
 
-func (m *Upload) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Upload.Unmarshal(m, b)
-}
-func (m *Upload) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Upload.Marshal(b, m, deterministic)
-}
-func (m *Upload) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Upload.Merge(m, src)
-}
-func (m *Upload) XXX_Size() int {
-	return xxx_messageInfo_Upload.Size(m)
-}
-func (m *Upload) XXX_DiscardUnknown() {
-	xxx_messageInfo_Upload.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Upload proto.InternalMessageInfo
-
-func (m *Upload) GetCreationTimestampMs() uint64 {
-	if m != nil && m.CreationTimestampMs != nil {
-		return *m.CreationTimestampMs
+func (x *Upload) GetCreationTimestampMs() uint64 {
+	if x != nil && x.CreationTimestampMs != nil {
+		return *x.CreationTimestampMs
 	}
 	return 0
 }
 
-func (m *Upload) GetCompletionTimestampMs() uint64 {
-	if m != nil && m.CompletionTimestampMs != nil {
-		return *m.CompletionTimestampMs
+func (x *Upload) GetCompletionTimestampMs() uint64 {
+	if x != nil && x.CompletionTimestampMs != nil {
+		return *x.CompletionTimestampMs
 	}
 	return 0
 }
 
-func (m *Upload) GetBranchName() string {
-	if m != nil && m.BranchName != nil {
-		return *m.BranchName
+func (x *Upload) GetBranchName() string {
+	if x != nil && x.BranchName != nil {
+		return *x.BranchName
 	}
 	return ""
 }
 
-func (m *Upload) GetTargetName() string {
-	if m != nil && m.TargetName != nil {
-		return *m.TargetName
+func (x *Upload) GetTargetName() string {
+	if x != nil && x.TargetName != nil {
+		return *x.TargetName
 	}
 	return ""
 }
 
-func (m *Upload) GetMetricsFiles() []string {
-	if m != nil {
-		return m.MetricsFiles
+func (x *Upload) GetMetricsFiles() []string {
+	if x != nil {
+		return x.MetricsFiles
 	}
 	return nil
 }
 
-func (m *Upload) GetDirectoriesToDelete() []string {
-	if m != nil {
-		return m.DirectoriesToDelete
+func (x *Upload) GetDirectoriesToDelete() []string {
+	if x != nil {
+		return x.DirectoriesToDelete
 	}
 	return nil
 }
 
-func init() {
-	proto.RegisterType((*Upload)(nil), "soong_metrics_upload.Upload")
+var File_upload_proto protoreflect.FileDescriptor
+
+var file_upload_proto_rawDesc = []byte{
+	0x0a, 0x0c, 0x75, 0x70, 0x6c, 0x6f, 0x61, 0x64, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x14,
+	0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x5f, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x5f, 0x75, 0x70,
+	0x6c, 0x6f, 0x61, 0x64, 0x22, 0x8f, 0x02, 0x0a, 0x06, 0x55, 0x70, 0x6c, 0x6f, 0x61, 0x64, 0x12,
+	0x32, 0x0a, 0x15, 0x63, 0x72, 0x65, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x74, 0x69, 0x6d, 0x65,
+	0x73, 0x74, 0x61, 0x6d, 0x70, 0x5f, 0x6d, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x04, 0x52, 0x13,
+	0x63, 0x72, 0x65, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d,
+	0x70, 0x4d, 0x73, 0x12, 0x36, 0x0a, 0x17, 0x63, 0x6f, 0x6d, 0x70, 0x6c, 0x65, 0x74, 0x69, 0x6f,
+	0x6e, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x5f, 0x6d, 0x73, 0x18, 0x02,
+	0x20, 0x01, 0x28, 0x04, 0x52, 0x15, 0x63, 0x6f, 0x6d, 0x70, 0x6c, 0x65, 0x74, 0x69, 0x6f, 0x6e,
+	0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x4d, 0x73, 0x12, 0x1f, 0x0a, 0x0b, 0x62,
+	0x72, 0x61, 0x6e, 0x63, 0x68, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x0a, 0x62, 0x72, 0x61, 0x6e, 0x63, 0x68, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1f, 0x0a, 0x0b,
+	0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28,
+	0x09, 0x52, 0x0a, 0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x23, 0x0a,
+	0x0d, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x5f, 0x66, 0x69, 0x6c, 0x65, 0x73, 0x18, 0x05,
+	0x20, 0x03, 0x28, 0x09, 0x52, 0x0c, 0x6d, 0x65, 0x74, 0x72, 0x69, 0x63, 0x73, 0x46, 0x69, 0x6c,
+	0x65, 0x73, 0x12, 0x32, 0x0a, 0x15, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x6f, 0x72, 0x69, 0x65,
+	0x73, 0x5f, 0x74, 0x6f, 0x5f, 0x64, 0x65, 0x6c, 0x65, 0x74, 0x65, 0x18, 0x06, 0x20, 0x03, 0x28,
+	0x09, 0x52, 0x13, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x6f, 0x72, 0x69, 0x65, 0x73, 0x54, 0x6f,
+	0x44, 0x65, 0x6c, 0x65, 0x74, 0x65, 0x42, 0x27, 0x5a, 0x25, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69,
+	0x64, 0x2f, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x2f, 0x75, 0x69, 0x2f, 0x6d, 0x65, 0x74, 0x72, 0x69,
+	0x63, 0x73, 0x2f, 0x75, 0x70, 0x6c, 0x6f, 0x61, 0x64, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 }
 
-func init() {
-	proto.RegisterFile("upload.proto", fileDescriptor_91b94b655bd2a7e5)
+var (
+	file_upload_proto_rawDescOnce sync.Once
+	file_upload_proto_rawDescData = file_upload_proto_rawDesc
+)
+
+func file_upload_proto_rawDescGZIP() []byte {
+	file_upload_proto_rawDescOnce.Do(func() {
+		file_upload_proto_rawDescData = protoimpl.X.CompressGZIP(file_upload_proto_rawDescData)
+	})
+	return file_upload_proto_rawDescData
 }
 
-var fileDescriptor_91b94b655bd2a7e5 = []byte{
-	// 230 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x90, 0xb1, 0x4a, 0x04, 0x31,
-	0x10, 0x86, 0xd9, 0xbb, 0xf3, 0xe0, 0xe2, 0xd9, 0xec, 0x79, 0x18, 0x44, 0x70, 0xd1, 0x66, 0x2b,
-	0x0b, 0x0b, 0x1f, 0x40, 0xc4, 0x4e, 0x8b, 0xe5, 0x6c, 0x6c, 0x86, 0x98, 0x1d, 0xd7, 0x40, 0x92,
-	0x09, 0xc9, 0xf8, 0x1c, 0xbe, 0xb2, 0x6c, 0xe2, 0xe2, 0x82, 0x76, 0xc3, 0xff, 0x7d, 0x7f, 0x31,
-	0xbf, 0xd8, 0x7e, 0x06, 0x4b, 0xaa, 0xbf, 0x09, 0x91, 0x98, 0xea, 0xd3, 0x44, 0xe4, 0x07, 0x70,
-	0xc8, 0xd1, 0xe8, 0x04, 0x85, 0x5d, 0x7d, 0x2d, 0xc4, 0xfa, 0x25, 0x9f, 0xf5, 0xad, 0xd8, 0xeb,
-	0x88, 0x8a, 0x0d, 0x79, 0x60, 0xe3, 0x30, 0xb1, 0x72, 0x01, 0x5c, 0x92, 0x55, 0x53, 0xb5, 0xab,
-	0x6e, 0x37, 0xc1, 0xc3, 0xc4, 0x9e, 0x52, 0x7d, 0x27, 0xce, 0x34, 0xb9, 0x60, 0xf1, 0x6f, 0x6b,
-	0x91, 0x5b, 0xfb, 0x5f, 0x3c, 0xef, 0x5d, 0x8a, 0xe3, 0xb7, 0xa8, 0xbc, 0xfe, 0x00, 0xaf, 0x1c,
-	0xca, 0x65, 0x53, 0xb5, 0x9b, 0x4e, 0x94, 0xe8, 0x59, 0x39, 0x1c, 0x05, 0x56, 0x71, 0x40, 0x2e,
-	0xc2, 0xaa, 0x08, 0x25, 0xca, 0xc2, 0xb5, 0x38, 0x99, 0x5e, 0x79, 0x37, 0x16, 0x93, 0x3c, 0x6a,
-	0x96, 0xed, 0xa6, 0xdb, 0xfe, 0x84, 0x8f, 0x63, 0x36, 0xbe, 0xd4, 0x9b, 0x88, 0x9a, 0x29, 0x1a,
-	0x4c, 0xc0, 0x04, 0x3d, 0x5a, 0x64, 0x94, 0xeb, 0x2c, 0xef, 0x66, 0xf0, 0x40, 0x0f, 0x19, 0xdd,
-	0x5f, 0xbc, 0x9e, 0xff, 0xb7, 0x14, 0xe4, 0x15, 0xbf, 0x03, 0x00, 0x00, 0xff, 0xff, 0x64, 0x04,
-	0xa8, 0xf4, 0x54, 0x01, 0x00, 0x00,
+var file_upload_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_upload_proto_goTypes = []interface{}{
+	(*Upload)(nil), // 0: soong_metrics_upload.Upload
+}
+var file_upload_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_upload_proto_init() }
+func file_upload_proto_init() {
+	if File_upload_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_upload_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Upload); 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_upload_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_upload_proto_goTypes,
+		DependencyIndexes: file_upload_proto_depIdxs,
+		MessageInfos:      file_upload_proto_msgTypes,
+	}.Build()
+	File_upload_proto = out.File
+	file_upload_proto_rawDesc = nil
+	file_upload_proto_goTypes = nil
+	file_upload_proto_depIdxs = nil
 }
diff --git a/ui/metrics/upload_proto/upload.proto b/ui/metrics/upload_proto/upload.proto
index bcd0ab2..e621fd1 100644
--- a/ui/metrics/upload_proto/upload.proto
+++ b/ui/metrics/upload_proto/upload.proto
@@ -15,7 +15,7 @@
 syntax = "proto2";
 
 package soong_metrics_upload;
-option go_package = "soong_metrics_upload_proto";
+option go_package = "android/soong/ui/metrics/upload_proto";
 
 message Upload {
   // The timestamp in milliseconds that the build was created.
diff --git a/ui/status/Android.bp b/ui/status/Android.bp
index ac31390..a46a007 100644
--- a/ui/status/Android.bp
+++ b/ui/status/Android.bp
@@ -44,7 +44,10 @@
 bootstrap_go_package {
     name: "soong-ui-status-ninja_frontend",
     pkgPath: "android/soong/ui/status/ninja_frontend",
-    deps: ["golang-protobuf-proto"],
+    deps: [
+        "golang-protobuf-reflect-protoreflect",
+        "golang-protobuf-runtime-protoimpl",
+    ],
     srcs: [
         "ninja_frontend/frontend.pb.go",
     ],
@@ -53,7 +56,10 @@
 bootstrap_go_package {
     name: "soong-ui-status-build_error_proto",
     pkgPath: "android/soong/ui/status/build_error_proto",
-    deps: ["golang-protobuf-proto"],
+    deps: [
+        "golang-protobuf-reflect-protoreflect",
+        "golang-protobuf-runtime-protoimpl",
+    ],
     srcs: [
         "build_error_proto/build_error.pb.go",
     ],
@@ -62,7 +68,10 @@
 bootstrap_go_package {
     name: "soong-ui-status-build_progress_proto",
     pkgPath: "android/soong/ui/status/build_progress_proto",
-    deps: ["golang-protobuf-proto"],
+    deps: [
+        "golang-protobuf-reflect-protoreflect",
+        "golang-protobuf-runtime-protoimpl",
+    ],
     srcs: [
         "build_progress_proto/build_progress.pb.go",
     ],
diff --git a/ui/status/build_error_proto/build_error.pb.go b/ui/status/build_error_proto/build_error.pb.go
index d4d0a6e..22125c2 100644
--- a/ui/status/build_error_proto/build_error.pb.go
+++ b/ui/status/build_error_proto/build_error.pb.go
@@ -1,71 +1,93 @@
+// Copyright 2019 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.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.9.1
 // source: build_error.proto
 
-package soong_build_error_proto
+package build_error_proto
 
 import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
 
 type BuildError struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// List of error messages of the overall build. The error messages
 	// are not associated with a build action.
 	ErrorMessages []string `protobuf:"bytes,1,rep,name=error_messages,json=errorMessages" json:"error_messages,omitempty"`
 	// List of build action errors.
-	ActionErrors         []*BuildActionError `protobuf:"bytes,2,rep,name=action_errors,json=actionErrors" json:"action_errors,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}            `json:"-"`
-	XXX_unrecognized     []byte              `json:"-"`
-	XXX_sizecache        int32               `json:"-"`
+	ActionErrors []*BuildActionError `protobuf:"bytes,2,rep,name=action_errors,json=actionErrors" json:"action_errors,omitempty"`
 }
 
-func (m *BuildError) Reset()         { *m = BuildError{} }
-func (m *BuildError) String() string { return proto.CompactTextString(m) }
-func (*BuildError) ProtoMessage()    {}
+func (x *BuildError) Reset() {
+	*x = BuildError{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_build_error_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BuildError) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BuildError) ProtoMessage() {}
+
+func (x *BuildError) ProtoReflect() protoreflect.Message {
+	mi := &file_build_error_proto_msgTypes[0]
+	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 BuildError.ProtoReflect.Descriptor instead.
 func (*BuildError) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a2e15b05802a5501, []int{0}
+	return file_build_error_proto_rawDescGZIP(), []int{0}
 }
 
-func (m *BuildError) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_BuildError.Unmarshal(m, b)
-}
-func (m *BuildError) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_BuildError.Marshal(b, m, deterministic)
-}
-func (m *BuildError) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_BuildError.Merge(m, src)
-}
-func (m *BuildError) XXX_Size() int {
-	return xxx_messageInfo_BuildError.Size(m)
-}
-func (m *BuildError) XXX_DiscardUnknown() {
-	xxx_messageInfo_BuildError.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_BuildError proto.InternalMessageInfo
-
-func (m *BuildError) GetErrorMessages() []string {
-	if m != nil {
-		return m.ErrorMessages
+func (x *BuildError) GetErrorMessages() []string {
+	if x != nil {
+		return x.ErrorMessages
 	}
 	return nil
 }
 
-func (m *BuildError) GetActionErrors() []*BuildActionError {
-	if m != nil {
-		return m.ActionErrors
+func (x *BuildError) GetActionErrors() []*BuildActionError {
+	if x != nil {
+		return x.ActionErrors
 	}
 	return nil
 }
@@ -73,6 +95,10 @@
 // Build is composed of a list of build action. There can be a set of build
 // actions that can failed.
 type BuildActionError struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Description of the command.
 	Description *string `protobuf:"bytes,1,opt,name=description" json:"description,omitempty"`
 	// The command name that raised the error.
@@ -82,94 +108,177 @@
 	// List of artifacts (i.e. files) that was produced by the command.
 	Artifacts []string `protobuf:"bytes,4,rep,name=artifacts" json:"artifacts,omitempty"`
 	// The error string produced by the build action.
-	Error                *string  `protobuf:"bytes,5,opt,name=error" json:"error,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Error *string `protobuf:"bytes,5,opt,name=error" json:"error,omitempty"`
 }
 
-func (m *BuildActionError) Reset()         { *m = BuildActionError{} }
-func (m *BuildActionError) String() string { return proto.CompactTextString(m) }
-func (*BuildActionError) ProtoMessage()    {}
+func (x *BuildActionError) Reset() {
+	*x = BuildActionError{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_build_error_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BuildActionError) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BuildActionError) ProtoMessage() {}
+
+func (x *BuildActionError) ProtoReflect() protoreflect.Message {
+	mi := &file_build_error_proto_msgTypes[1]
+	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 BuildActionError.ProtoReflect.Descriptor instead.
 func (*BuildActionError) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a2e15b05802a5501, []int{1}
+	return file_build_error_proto_rawDescGZIP(), []int{1}
 }
 
-func (m *BuildActionError) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_BuildActionError.Unmarshal(m, b)
-}
-func (m *BuildActionError) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_BuildActionError.Marshal(b, m, deterministic)
-}
-func (m *BuildActionError) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_BuildActionError.Merge(m, src)
-}
-func (m *BuildActionError) XXX_Size() int {
-	return xxx_messageInfo_BuildActionError.Size(m)
-}
-func (m *BuildActionError) XXX_DiscardUnknown() {
-	xxx_messageInfo_BuildActionError.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_BuildActionError proto.InternalMessageInfo
-
-func (m *BuildActionError) GetDescription() string {
-	if m != nil && m.Description != nil {
-		return *m.Description
+func (x *BuildActionError) GetDescription() string {
+	if x != nil && x.Description != nil {
+		return *x.Description
 	}
 	return ""
 }
 
-func (m *BuildActionError) GetCommand() string {
-	if m != nil && m.Command != nil {
-		return *m.Command
+func (x *BuildActionError) GetCommand() string {
+	if x != nil && x.Command != nil {
+		return *x.Command
 	}
 	return ""
 }
 
-func (m *BuildActionError) GetOutput() string {
-	if m != nil && m.Output != nil {
-		return *m.Output
+func (x *BuildActionError) GetOutput() string {
+	if x != nil && x.Output != nil {
+		return *x.Output
 	}
 	return ""
 }
 
-func (m *BuildActionError) GetArtifacts() []string {
-	if m != nil {
-		return m.Artifacts
+func (x *BuildActionError) GetArtifacts() []string {
+	if x != nil {
+		return x.Artifacts
 	}
 	return nil
 }
 
-func (m *BuildActionError) GetError() string {
-	if m != nil && m.Error != nil {
-		return *m.Error
+func (x *BuildActionError) GetError() string {
+	if x != nil && x.Error != nil {
+		return *x.Error
 	}
 	return ""
 }
 
-func init() {
-	proto.RegisterType((*BuildError)(nil), "soong_build_error.BuildError")
-	proto.RegisterType((*BuildActionError)(nil), "soong_build_error.BuildActionError")
+var File_build_error_proto protoreflect.FileDescriptor
+
+var file_build_error_proto_rawDesc = []byte{
+	0x0a, 0x11, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x5f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x2e, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x12, 0x11, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x5f, 0x62, 0x75, 0x69, 0x6c, 0x64,
+	0x5f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x22, 0x7d, 0x0a, 0x0a, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x45,
+	0x72, 0x72, 0x6f, 0x72, 0x12, 0x25, 0x0a, 0x0e, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x5f, 0x6d, 0x65,
+	0x73, 0x73, 0x61, 0x67, 0x65, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x09, 0x52, 0x0d, 0x65, 0x72,
+	0x72, 0x6f, 0x72, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x73, 0x12, 0x48, 0x0a, 0x0d, 0x61,
+	0x63, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x18, 0x02, 0x20, 0x03,
+	0x28, 0x0b, 0x32, 0x23, 0x2e, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x5f, 0x62, 0x75, 0x69, 0x6c, 0x64,
+	0x5f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x2e, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x41, 0x63, 0x74, 0x69,
+	0x6f, 0x6e, 0x45, 0x72, 0x72, 0x6f, 0x72, 0x52, 0x0c, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x45,
+	0x72, 0x72, 0x6f, 0x72, 0x73, 0x22, 0x9a, 0x01, 0x0a, 0x10, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x41,
+	0x63, 0x74, 0x69, 0x6f, 0x6e, 0x45, 0x72, 0x72, 0x6f, 0x72, 0x12, 0x20, 0x0a, 0x0b, 0x64, 0x65,
+	0x73, 0x63, 0x72, 0x69, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x0b, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x18, 0x0a, 0x07,
+	0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x63,
+	0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x16, 0x0a, 0x06, 0x6f, 0x75, 0x74, 0x70, 0x75, 0x74,
+	0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x12, 0x1c,
+	0x0a, 0x09, 0x61, 0x72, 0x74, 0x69, 0x66, 0x61, 0x63, 0x74, 0x73, 0x18, 0x04, 0x20, 0x03, 0x28,
+	0x09, 0x52, 0x09, 0x61, 0x72, 0x74, 0x69, 0x66, 0x61, 0x63, 0x74, 0x73, 0x12, 0x14, 0x0a, 0x05,
+	0x65, 0x72, 0x72, 0x6f, 0x72, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x65, 0x72, 0x72,
+	0x6f, 0x72, 0x42, 0x2b, 0x5a, 0x29, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64, 0x2f, 0x73, 0x6f,
+	0x6f, 0x6e, 0x67, 0x2f, 0x75, 0x69, 0x2f, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x2f, 0x62, 0x75,
+	0x69, 0x6c, 0x64, 0x5f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 }
 
-func init() { proto.RegisterFile("build_error.proto", fileDescriptor_a2e15b05802a5501) }
+var (
+	file_build_error_proto_rawDescOnce sync.Once
+	file_build_error_proto_rawDescData = file_build_error_proto_rawDesc
+)
 
-var fileDescriptor_a2e15b05802a5501 = []byte{
-	// 229 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x64, 0x90, 0xc1, 0x4a, 0xc3, 0x40,
-	0x10, 0x86, 0x49, 0x63, 0x95, 0x4c, 0xad, 0xd8, 0x41, 0x74, 0x04, 0x0f, 0xa1, 0x22, 0xe4, 0x94,
-	0x83, 0x6f, 0x60, 0x41, 0xf0, 0xe2, 0x25, 0x47, 0x2f, 0x61, 0xdd, 0xac, 0x65, 0xc1, 0x64, 0xc2,
-	0xce, 0xe6, 0xe8, 0x8b, 0xf8, 0xb4, 0x92, 0x69, 0xa5, 0xa5, 0x39, 0x7e, 0xdf, 0x3f, 0xfb, 0xef,
-	0xce, 0xc2, 0xea, 0x73, 0xf0, 0xdf, 0x4d, 0xed, 0x42, 0xe0, 0x50, 0xf6, 0x81, 0x23, 0xe3, 0x4a,
-	0x98, 0xbb, 0x6d, 0x7d, 0x14, 0xac, 0x7f, 0x00, 0x36, 0x23, 0xbe, 0x8e, 0x84, 0x4f, 0x70, 0xa5,
-	0xba, 0x6e, 0x9d, 0x88, 0xd9, 0x3a, 0xa1, 0x24, 0x4f, 0x8b, 0xac, 0x5a, 0xaa, 0x7d, 0xdf, 0x4b,
-	0x7c, 0x83, 0xa5, 0xb1, 0xd1, 0x73, 0xb7, 0x2b, 0x11, 0x9a, 0xe5, 0x69, 0xb1, 0x78, 0x7e, 0x2c,
-	0x27, 0xfd, 0xa5, 0x96, 0xbf, 0xe8, 0xb0, 0x5e, 0x51, 0x5d, 0x9a, 0x03, 0xc8, 0xfa, 0x37, 0x81,
-	0xeb, 0xd3, 0x11, 0xcc, 0x61, 0xd1, 0x38, 0xb1, 0xc1, 0xf7, 0xa3, 0xa3, 0x24, 0x4f, 0x8a, 0xac,
-	0x3a, 0x56, 0x48, 0x70, 0x61, 0xb9, 0x6d, 0x4d, 0xd7, 0xd0, 0x4c, 0xd3, 0x7f, 0xc4, 0x5b, 0x38,
-	0xe7, 0x21, 0xf6, 0x43, 0xa4, 0x54, 0x83, 0x3d, 0xe1, 0x03, 0x64, 0x26, 0x44, 0xff, 0x65, 0x6c,
-	0x14, 0x3a, 0xd3, 0xa5, 0x0e, 0x02, 0x6f, 0x60, 0xae, 0xcf, 0xa5, 0xb9, 0x1e, 0xda, 0xc1, 0xe6,
-	0xfe, 0xe3, 0x6e, 0xb2, 0x50, 0xad, 0x3f, 0xf9, 0x17, 0x00, 0x00, 0xff, 0xff, 0xb6, 0x18, 0x9e,
-	0x17, 0x5d, 0x01, 0x00, 0x00,
+func file_build_error_proto_rawDescGZIP() []byte {
+	file_build_error_proto_rawDescOnce.Do(func() {
+		file_build_error_proto_rawDescData = protoimpl.X.CompressGZIP(file_build_error_proto_rawDescData)
+	})
+	return file_build_error_proto_rawDescData
+}
+
+var file_build_error_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_build_error_proto_goTypes = []interface{}{
+	(*BuildError)(nil),       // 0: soong_build_error.BuildError
+	(*BuildActionError)(nil), // 1: soong_build_error.BuildActionError
+}
+var file_build_error_proto_depIdxs = []int32{
+	1, // 0: soong_build_error.BuildError.action_errors:type_name -> soong_build_error.BuildActionError
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_build_error_proto_init() }
+func file_build_error_proto_init() {
+	if File_build_error_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_build_error_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BuildError); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_build_error_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BuildActionError); 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_build_error_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_build_error_proto_goTypes,
+		DependencyIndexes: file_build_error_proto_depIdxs,
+		MessageInfos:      file_build_error_proto_msgTypes,
+	}.Build()
+	File_build_error_proto = out.File
+	file_build_error_proto_rawDesc = nil
+	file_build_error_proto_goTypes = nil
+	file_build_error_proto_depIdxs = nil
 }
diff --git a/ui/status/build_error_proto/build_error.proto b/ui/status/build_error_proto/build_error.proto
index 9c8470d..ecd6074 100644
--- a/ui/status/build_error_proto/build_error.proto
+++ b/ui/status/build_error_proto/build_error.proto
@@ -15,7 +15,7 @@
 syntax = "proto2";
 
 package soong_build_error;
-option go_package = "soong_build_error_proto";
+option go_package = "android/soong/ui/status/build_error_proto";
 
 message BuildError {
   // List of error messages of the overall build. The error messages
diff --git a/ui/status/build_progress_proto/build_progress.pb.go b/ui/status/build_progress_proto/build_progress.pb.go
index f63c157..e243fe0 100644
--- a/ui/status/build_progress_proto/build_progress.pb.go
+++ b/ui/status/build_progress_proto/build_progress.pb.go
@@ -1,26 +1,44 @@
+// Copyright 2020 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.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.9.1
 // source: build_progress.proto
 
-package soong_build_progress_proto
+package build_progress_proto
 
 import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
 
 type BuildProgress struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Total number of actions in a build. The total actions will increase
 	// and might decrease during the course of a build.
 	TotalActions *uint64 `protobuf:"varint,1,opt,name=total_actions,json=totalActions" json:"total_actions,omitempty"`
@@ -34,82 +52,150 @@
 	// build and current_actions + finished_actions <= total_actions.
 	CurrentActions *uint64 `protobuf:"varint,3,opt,name=current_actions,json=currentActions" json:"current_actions,omitempty"`
 	// Total number of actions that reported as a failure.
-	FailedActions        *uint64  `protobuf:"varint,4,opt,name=failed_actions,json=failedActions" json:"failed_actions,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	FailedActions *uint64 `protobuf:"varint,4,opt,name=failed_actions,json=failedActions" json:"failed_actions,omitempty"`
 }
 
-func (m *BuildProgress) Reset()         { *m = BuildProgress{} }
-func (m *BuildProgress) String() string { return proto.CompactTextString(m) }
-func (*BuildProgress) ProtoMessage()    {}
+func (x *BuildProgress) Reset() {
+	*x = BuildProgress{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_build_progress_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BuildProgress) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BuildProgress) ProtoMessage() {}
+
+func (x *BuildProgress) ProtoReflect() protoreflect.Message {
+	mi := &file_build_progress_proto_msgTypes[0]
+	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 BuildProgress.ProtoReflect.Descriptor instead.
 func (*BuildProgress) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a8a463f8e30dab2e, []int{0}
+	return file_build_progress_proto_rawDescGZIP(), []int{0}
 }
 
-func (m *BuildProgress) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_BuildProgress.Unmarshal(m, b)
-}
-func (m *BuildProgress) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_BuildProgress.Marshal(b, m, deterministic)
-}
-func (m *BuildProgress) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_BuildProgress.Merge(m, src)
-}
-func (m *BuildProgress) XXX_Size() int {
-	return xxx_messageInfo_BuildProgress.Size(m)
-}
-func (m *BuildProgress) XXX_DiscardUnknown() {
-	xxx_messageInfo_BuildProgress.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_BuildProgress proto.InternalMessageInfo
-
-func (m *BuildProgress) GetTotalActions() uint64 {
-	if m != nil && m.TotalActions != nil {
-		return *m.TotalActions
+func (x *BuildProgress) GetTotalActions() uint64 {
+	if x != nil && x.TotalActions != nil {
+		return *x.TotalActions
 	}
 	return 0
 }
 
-func (m *BuildProgress) GetFinishedActions() uint64 {
-	if m != nil && m.FinishedActions != nil {
-		return *m.FinishedActions
+func (x *BuildProgress) GetFinishedActions() uint64 {
+	if x != nil && x.FinishedActions != nil {
+		return *x.FinishedActions
 	}
 	return 0
 }
 
-func (m *BuildProgress) GetCurrentActions() uint64 {
-	if m != nil && m.CurrentActions != nil {
-		return *m.CurrentActions
+func (x *BuildProgress) GetCurrentActions() uint64 {
+	if x != nil && x.CurrentActions != nil {
+		return *x.CurrentActions
 	}
 	return 0
 }
 
-func (m *BuildProgress) GetFailedActions() uint64 {
-	if m != nil && m.FailedActions != nil {
-		return *m.FailedActions
+func (x *BuildProgress) GetFailedActions() uint64 {
+	if x != nil && x.FailedActions != nil {
+		return *x.FailedActions
 	}
 	return 0
 }
 
-func init() {
-	proto.RegisterType((*BuildProgress)(nil), "soong_build_progress.BuildProgress")
+var File_build_progress_proto protoreflect.FileDescriptor
+
+var file_build_progress_proto_rawDesc = []byte{
+	0x0a, 0x14, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x5f, 0x70, 0x72, 0x6f, 0x67, 0x72, 0x65, 0x73, 0x73,
+	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x14, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x5f, 0x62, 0x75,
+	0x69, 0x6c, 0x64, 0x5f, 0x70, 0x72, 0x6f, 0x67, 0x72, 0x65, 0x73, 0x73, 0x22, 0xaf, 0x01, 0x0a,
+	0x0d, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x50, 0x72, 0x6f, 0x67, 0x72, 0x65, 0x73, 0x73, 0x12, 0x23,
+	0x0a, 0x0d, 0x74, 0x6f, 0x74, 0x61, 0x6c, 0x5f, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18,
+	0x01, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0c, 0x74, 0x6f, 0x74, 0x61, 0x6c, 0x41, 0x63, 0x74, 0x69,
+	0x6f, 0x6e, 0x73, 0x12, 0x29, 0x0a, 0x10, 0x66, 0x69, 0x6e, 0x69, 0x73, 0x68, 0x65, 0x64, 0x5f,
+	0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0f, 0x66,
+	0x69, 0x6e, 0x69, 0x73, 0x68, 0x65, 0x64, 0x41, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x12, 0x27,
+	0x0a, 0x0f, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x74, 0x5f, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e,
+	0x73, 0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x0e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x74,
+	0x41, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x12, 0x25, 0x0a, 0x0e, 0x66, 0x61, 0x69, 0x6c, 0x65,
+	0x64, 0x5f, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0x04, 0x20, 0x01, 0x28, 0x04, 0x52,
+	0x0d, 0x66, 0x61, 0x69, 0x6c, 0x65, 0x64, 0x41, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x42, 0x2e,
+	0x5a, 0x2c, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64, 0x2f, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x2f,
+	0x75, 0x69, 0x2f, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x2f, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x5f,
+	0x70, 0x72, 0x6f, 0x67, 0x72, 0x65, 0x73, 0x73, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 }
 
-func init() { proto.RegisterFile("build_progress.proto", fileDescriptor_a8a463f8e30dab2e) }
+var (
+	file_build_progress_proto_rawDescOnce sync.Once
+	file_build_progress_proto_rawDescData = file_build_progress_proto_rawDesc
+)
 
-var fileDescriptor_a8a463f8e30dab2e = []byte{
-	// 165 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x12, 0x49, 0x2a, 0xcd, 0xcc,
-	0x49, 0x89, 0x2f, 0x28, 0xca, 0x4f, 0x2f, 0x4a, 0x2d, 0x2e, 0xd6, 0x2b, 0x28, 0xca, 0x2f, 0xc9,
-	0x17, 0x12, 0x29, 0xce, 0xcf, 0xcf, 0x4b, 0x8f, 0x47, 0x95, 0x53, 0x5a, 0xcf, 0xc8, 0xc5, 0xeb,
-	0x04, 0x12, 0x0a, 0x80, 0x8a, 0x08, 0x29, 0x73, 0xf1, 0x96, 0xe4, 0x97, 0x24, 0xe6, 0xc4, 0x27,
-	0x26, 0x97, 0x64, 0xe6, 0xe7, 0x15, 0x4b, 0x30, 0x2a, 0x30, 0x6a, 0xb0, 0x04, 0xf1, 0x80, 0x05,
-	0x1d, 0x21, 0x62, 0x42, 0x9a, 0x5c, 0x02, 0x69, 0x99, 0x79, 0x99, 0xc5, 0x19, 0xa9, 0x29, 0x70,
-	0x75, 0x4c, 0x60, 0x75, 0xfc, 0x30, 0x71, 0x98, 0x52, 0x75, 0x2e, 0xfe, 0xe4, 0xd2, 0xa2, 0xa2,
-	0xd4, 0xbc, 0x12, 0xb8, 0x4a, 0x66, 0xb0, 0x4a, 0x3e, 0xa8, 0x30, 0x4c, 0xa1, 0x2a, 0x17, 0x5f,
-	0x5a, 0x62, 0x66, 0x0e, 0x92, 0x89, 0x2c, 0x60, 0x75, 0xbc, 0x10, 0x51, 0xa8, 0x32, 0x27, 0x99,
-	0x28, 0x29, 0x6c, 0x3e, 0x89, 0x07, 0xfb, 0x12, 0x10, 0x00, 0x00, 0xff, 0xff, 0x3f, 0x6e, 0xc1,
-	0xef, 0xfc, 0x00, 0x00, 0x00,
+func file_build_progress_proto_rawDescGZIP() []byte {
+	file_build_progress_proto_rawDescOnce.Do(func() {
+		file_build_progress_proto_rawDescData = protoimpl.X.CompressGZIP(file_build_progress_proto_rawDescData)
+	})
+	return file_build_progress_proto_rawDescData
+}
+
+var file_build_progress_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_build_progress_proto_goTypes = []interface{}{
+	(*BuildProgress)(nil), // 0: soong_build_progress.BuildProgress
+}
+var file_build_progress_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_build_progress_proto_init() }
+func file_build_progress_proto_init() {
+	if File_build_progress_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_build_progress_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BuildProgress); 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_build_progress_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_build_progress_proto_goTypes,
+		DependencyIndexes: file_build_progress_proto_depIdxs,
+		MessageInfos:      file_build_progress_proto_msgTypes,
+	}.Build()
+	File_build_progress_proto = out.File
+	file_build_progress_proto_rawDesc = nil
+	file_build_progress_proto_goTypes = nil
+	file_build_progress_proto_depIdxs = nil
 }
diff --git a/ui/status/build_progress_proto/build_progress.proto b/ui/status/build_progress_proto/build_progress.proto
index d78060a..2672622 100644
--- a/ui/status/build_progress_proto/build_progress.proto
+++ b/ui/status/build_progress_proto/build_progress.proto
@@ -15,7 +15,7 @@
 syntax = "proto2";
 
 package soong_build_progress;
-option go_package = "soong_build_progress_proto";
+option go_package = "android/soong/ui/status/build_progress_proto";
 
 message BuildProgress {
   // Total number of actions in a build. The total actions will increase
diff --git a/ui/status/log.go b/ui/status/log.go
index 4a08acb..14df346 100644
--- a/ui/status/log.go
+++ b/ui/status/log.go
@@ -23,11 +23,11 @@
 	"os"
 	"strings"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/proto"
 
 	"android/soong/ui/logger"
-	"android/soong/ui/status/build_error_proto"
-	"android/soong/ui/status/build_progress_proto"
+	soong_build_error_proto "android/soong/ui/status/build_error_proto"
+	soong_build_progress_proto "android/soong/ui/status/build_progress_proto"
 )
 
 type verboseLog struct {
diff --git a/ui/status/ninja.go b/ui/status/ninja.go
index 2445972..4d99621 100644
--- a/ui/status/ninja.go
+++ b/ui/status/ninja.go
@@ -24,7 +24,7 @@
 	"syscall"
 	"time"
 
-	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/proto"
 
 	"android/soong/ui/logger"
 	"android/soong/ui/status/ninja_frontend"
diff --git a/ui/status/ninja_frontend/frontend.pb.go b/ui/status/ninja_frontend/frontend.pb.go
index 86e474b..bcadc67 100644
--- a/ui/status/ninja_frontend/frontend.pb.go
+++ b/ui/status/ninja_frontend/frontend.pb.go
@@ -1,24 +1,38 @@
+// Copyright 2017 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.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.9.1
 // source: frontend.proto
 
 package ninja_frontend
 
 import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
 
 type Status_Message_Level int32
 
@@ -29,19 +43,21 @@
 	Status_Message_DEBUG   Status_Message_Level = 3
 )
 
-var Status_Message_Level_name = map[int32]string{
-	0: "INFO",
-	1: "WARNING",
-	2: "ERROR",
-	3: "DEBUG",
-}
-
-var Status_Message_Level_value = map[string]int32{
-	"INFO":    0,
-	"WARNING": 1,
-	"ERROR":   2,
-	"DEBUG":   3,
-}
+// Enum value maps for Status_Message_Level.
+var (
+	Status_Message_Level_name = map[int32]string{
+		0: "INFO",
+		1: "WARNING",
+		2: "ERROR",
+		3: "DEBUG",
+	}
+	Status_Message_Level_value = map[string]int32{
+		"INFO":    0,
+		"WARNING": 1,
+		"ERROR":   2,
+		"DEBUG":   3,
+	}
+)
 
 func (x Status_Message_Level) Enum() *Status_Message_Level {
 	p := new(Status_Message_Level)
@@ -50,222 +66,271 @@
 }
 
 func (x Status_Message_Level) String() string {
-	return proto.EnumName(Status_Message_Level_name, int32(x))
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
 }
 
-func (x *Status_Message_Level) UnmarshalJSON(data []byte) error {
-	value, err := proto.UnmarshalJSONEnum(Status_Message_Level_value, data, "Status_Message_Level")
+func (Status_Message_Level) Descriptor() protoreflect.EnumDescriptor {
+	return file_frontend_proto_enumTypes[0].Descriptor()
+}
+
+func (Status_Message_Level) Type() protoreflect.EnumType {
+	return &file_frontend_proto_enumTypes[0]
+}
+
+func (x Status_Message_Level) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Do not use.
+func (x *Status_Message_Level) UnmarshalJSON(b []byte) error {
+	num, err := protoimpl.X.UnmarshalJSONEnum(x.Descriptor(), b)
 	if err != nil {
 		return err
 	}
-	*x = Status_Message_Level(value)
+	*x = Status_Message_Level(num)
 	return nil
 }
 
+// Deprecated: Use Status_Message_Level.Descriptor instead.
 func (Status_Message_Level) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_eca3873955a29cfe, []int{0, 5, 0}
+	return file_frontend_proto_rawDescGZIP(), []int{0, 5, 0}
 }
 
 type Status struct {
-	TotalEdges           *Status_TotalEdges    `protobuf:"bytes,1,opt,name=total_edges,json=totalEdges" json:"total_edges,omitempty"`
-	BuildStarted         *Status_BuildStarted  `protobuf:"bytes,2,opt,name=build_started,json=buildStarted" json:"build_started,omitempty"`
-	BuildFinished        *Status_BuildFinished `protobuf:"bytes,3,opt,name=build_finished,json=buildFinished" json:"build_finished,omitempty"`
-	EdgeStarted          *Status_EdgeStarted   `protobuf:"bytes,4,opt,name=edge_started,json=edgeStarted" json:"edge_started,omitempty"`
-	EdgeFinished         *Status_EdgeFinished  `protobuf:"bytes,5,opt,name=edge_finished,json=edgeFinished" json:"edge_finished,omitempty"`
-	Message              *Status_Message       `protobuf:"bytes,6,opt,name=message" json:"message,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}              `json:"-"`
-	XXX_unrecognized     []byte                `json:"-"`
-	XXX_sizecache        int32                 `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	TotalEdges    *Status_TotalEdges    `protobuf:"bytes,1,opt,name=total_edges,json=totalEdges" json:"total_edges,omitempty"`
+	BuildStarted  *Status_BuildStarted  `protobuf:"bytes,2,opt,name=build_started,json=buildStarted" json:"build_started,omitempty"`
+	BuildFinished *Status_BuildFinished `protobuf:"bytes,3,opt,name=build_finished,json=buildFinished" json:"build_finished,omitempty"`
+	EdgeStarted   *Status_EdgeStarted   `protobuf:"bytes,4,opt,name=edge_started,json=edgeStarted" json:"edge_started,omitempty"`
+	EdgeFinished  *Status_EdgeFinished  `protobuf:"bytes,5,opt,name=edge_finished,json=edgeFinished" json:"edge_finished,omitempty"`
+	Message       *Status_Message       `protobuf:"bytes,6,opt,name=message" json:"message,omitempty"`
 }
 
-func (m *Status) Reset()         { *m = Status{} }
-func (m *Status) String() string { return proto.CompactTextString(m) }
-func (*Status) ProtoMessage()    {}
+func (x *Status) Reset() {
+	*x = Status{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_frontend_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Status) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Status) ProtoMessage() {}
+
+func (x *Status) ProtoReflect() protoreflect.Message {
+	mi := &file_frontend_proto_msgTypes[0]
+	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 Status.ProtoReflect.Descriptor instead.
 func (*Status) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eca3873955a29cfe, []int{0}
+	return file_frontend_proto_rawDescGZIP(), []int{0}
 }
 
-func (m *Status) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Status.Unmarshal(m, b)
-}
-func (m *Status) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Status.Marshal(b, m, deterministic)
-}
-func (m *Status) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Status.Merge(m, src)
-}
-func (m *Status) XXX_Size() int {
-	return xxx_messageInfo_Status.Size(m)
-}
-func (m *Status) XXX_DiscardUnknown() {
-	xxx_messageInfo_Status.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Status proto.InternalMessageInfo
-
-func (m *Status) GetTotalEdges() *Status_TotalEdges {
-	if m != nil {
-		return m.TotalEdges
+func (x *Status) GetTotalEdges() *Status_TotalEdges {
+	if x != nil {
+		return x.TotalEdges
 	}
 	return nil
 }
 
-func (m *Status) GetBuildStarted() *Status_BuildStarted {
-	if m != nil {
-		return m.BuildStarted
+func (x *Status) GetBuildStarted() *Status_BuildStarted {
+	if x != nil {
+		return x.BuildStarted
 	}
 	return nil
 }
 
-func (m *Status) GetBuildFinished() *Status_BuildFinished {
-	if m != nil {
-		return m.BuildFinished
+func (x *Status) GetBuildFinished() *Status_BuildFinished {
+	if x != nil {
+		return x.BuildFinished
 	}
 	return nil
 }
 
-func (m *Status) GetEdgeStarted() *Status_EdgeStarted {
-	if m != nil {
-		return m.EdgeStarted
+func (x *Status) GetEdgeStarted() *Status_EdgeStarted {
+	if x != nil {
+		return x.EdgeStarted
 	}
 	return nil
 }
 
-func (m *Status) GetEdgeFinished() *Status_EdgeFinished {
-	if m != nil {
-		return m.EdgeFinished
+func (x *Status) GetEdgeFinished() *Status_EdgeFinished {
+	if x != nil {
+		return x.EdgeFinished
 	}
 	return nil
 }
 
-func (m *Status) GetMessage() *Status_Message {
-	if m != nil {
-		return m.Message
+func (x *Status) GetMessage() *Status_Message {
+	if x != nil {
+		return x.Message
 	}
 	return nil
 }
 
 type Status_TotalEdges struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// New value for total edges in the build.
-	TotalEdges           *uint32  `protobuf:"varint,1,opt,name=total_edges,json=totalEdges" json:"total_edges,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	TotalEdges *uint32 `protobuf:"varint,1,opt,name=total_edges,json=totalEdges" json:"total_edges,omitempty"`
 }
 
-func (m *Status_TotalEdges) Reset()         { *m = Status_TotalEdges{} }
-func (m *Status_TotalEdges) String() string { return proto.CompactTextString(m) }
-func (*Status_TotalEdges) ProtoMessage()    {}
+func (x *Status_TotalEdges) Reset() {
+	*x = Status_TotalEdges{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_frontend_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Status_TotalEdges) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Status_TotalEdges) ProtoMessage() {}
+
+func (x *Status_TotalEdges) ProtoReflect() protoreflect.Message {
+	mi := &file_frontend_proto_msgTypes[1]
+	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 Status_TotalEdges.ProtoReflect.Descriptor instead.
 func (*Status_TotalEdges) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eca3873955a29cfe, []int{0, 0}
+	return file_frontend_proto_rawDescGZIP(), []int{0, 0}
 }
 
-func (m *Status_TotalEdges) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Status_TotalEdges.Unmarshal(m, b)
-}
-func (m *Status_TotalEdges) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Status_TotalEdges.Marshal(b, m, deterministic)
-}
-func (m *Status_TotalEdges) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Status_TotalEdges.Merge(m, src)
-}
-func (m *Status_TotalEdges) XXX_Size() int {
-	return xxx_messageInfo_Status_TotalEdges.Size(m)
-}
-func (m *Status_TotalEdges) XXX_DiscardUnknown() {
-	xxx_messageInfo_Status_TotalEdges.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Status_TotalEdges proto.InternalMessageInfo
-
-func (m *Status_TotalEdges) GetTotalEdges() uint32 {
-	if m != nil && m.TotalEdges != nil {
-		return *m.TotalEdges
+func (x *Status_TotalEdges) GetTotalEdges() uint32 {
+	if x != nil && x.TotalEdges != nil {
+		return *x.TotalEdges
 	}
 	return 0
 }
 
 type Status_BuildStarted struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Number of jobs Ninja will run in parallel.
 	Parallelism *uint32 `protobuf:"varint,1,opt,name=parallelism" json:"parallelism,omitempty"`
 	// Verbose value passed to ninja.
-	Verbose              *bool    `protobuf:"varint,2,opt,name=verbose" json:"verbose,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Verbose *bool `protobuf:"varint,2,opt,name=verbose" json:"verbose,omitempty"`
 }
 
-func (m *Status_BuildStarted) Reset()         { *m = Status_BuildStarted{} }
-func (m *Status_BuildStarted) String() string { return proto.CompactTextString(m) }
-func (*Status_BuildStarted) ProtoMessage()    {}
+func (x *Status_BuildStarted) Reset() {
+	*x = Status_BuildStarted{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_frontend_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Status_BuildStarted) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Status_BuildStarted) ProtoMessage() {}
+
+func (x *Status_BuildStarted) ProtoReflect() protoreflect.Message {
+	mi := &file_frontend_proto_msgTypes[2]
+	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 Status_BuildStarted.ProtoReflect.Descriptor instead.
 func (*Status_BuildStarted) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eca3873955a29cfe, []int{0, 1}
+	return file_frontend_proto_rawDescGZIP(), []int{0, 1}
 }
 
-func (m *Status_BuildStarted) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Status_BuildStarted.Unmarshal(m, b)
-}
-func (m *Status_BuildStarted) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Status_BuildStarted.Marshal(b, m, deterministic)
-}
-func (m *Status_BuildStarted) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Status_BuildStarted.Merge(m, src)
-}
-func (m *Status_BuildStarted) XXX_Size() int {
-	return xxx_messageInfo_Status_BuildStarted.Size(m)
-}
-func (m *Status_BuildStarted) XXX_DiscardUnknown() {
-	xxx_messageInfo_Status_BuildStarted.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Status_BuildStarted proto.InternalMessageInfo
-
-func (m *Status_BuildStarted) GetParallelism() uint32 {
-	if m != nil && m.Parallelism != nil {
-		return *m.Parallelism
+func (x *Status_BuildStarted) GetParallelism() uint32 {
+	if x != nil && x.Parallelism != nil {
+		return *x.Parallelism
 	}
 	return 0
 }
 
-func (m *Status_BuildStarted) GetVerbose() bool {
-	if m != nil && m.Verbose != nil {
-		return *m.Verbose
+func (x *Status_BuildStarted) GetVerbose() bool {
+	if x != nil && x.Verbose != nil {
+		return *x.Verbose
 	}
 	return false
 }
 
 type Status_BuildFinished struct {
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
 }
 
-func (m *Status_BuildFinished) Reset()         { *m = Status_BuildFinished{} }
-func (m *Status_BuildFinished) String() string { return proto.CompactTextString(m) }
-func (*Status_BuildFinished) ProtoMessage()    {}
+func (x *Status_BuildFinished) Reset() {
+	*x = Status_BuildFinished{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_frontend_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Status_BuildFinished) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Status_BuildFinished) ProtoMessage() {}
+
+func (x *Status_BuildFinished) ProtoReflect() protoreflect.Message {
+	mi := &file_frontend_proto_msgTypes[3]
+	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 Status_BuildFinished.ProtoReflect.Descriptor instead.
 func (*Status_BuildFinished) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eca3873955a29cfe, []int{0, 2}
+	return file_frontend_proto_rawDescGZIP(), []int{0, 2}
 }
 
-func (m *Status_BuildFinished) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Status_BuildFinished.Unmarshal(m, b)
-}
-func (m *Status_BuildFinished) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Status_BuildFinished.Marshal(b, m, deterministic)
-}
-func (m *Status_BuildFinished) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Status_BuildFinished.Merge(m, src)
-}
-func (m *Status_BuildFinished) XXX_Size() int {
-	return xxx_messageInfo_Status_BuildFinished.Size(m)
-}
-func (m *Status_BuildFinished) XXX_DiscardUnknown() {
-	xxx_messageInfo_Status_BuildFinished.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Status_BuildFinished proto.InternalMessageInfo
-
 type Status_EdgeStarted struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Edge identification number, unique to a Ninja run.
 	Id *uint32 `protobuf:"varint,1,opt,name=id" json:"id,omitempty"`
 	// Edge start time in milliseconds since Ninja started.
@@ -279,87 +344,95 @@
 	// Command field from the edge.
 	Command *string `protobuf:"bytes,6,opt,name=command" json:"command,omitempty"`
 	// Edge uses console.
-	Console              *bool    `protobuf:"varint,7,opt,name=console" json:"console,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Console *bool `protobuf:"varint,7,opt,name=console" json:"console,omitempty"`
 }
 
-func (m *Status_EdgeStarted) Reset()         { *m = Status_EdgeStarted{} }
-func (m *Status_EdgeStarted) String() string { return proto.CompactTextString(m) }
-func (*Status_EdgeStarted) ProtoMessage()    {}
+func (x *Status_EdgeStarted) Reset() {
+	*x = Status_EdgeStarted{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_frontend_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Status_EdgeStarted) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Status_EdgeStarted) ProtoMessage() {}
+
+func (x *Status_EdgeStarted) ProtoReflect() protoreflect.Message {
+	mi := &file_frontend_proto_msgTypes[4]
+	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 Status_EdgeStarted.ProtoReflect.Descriptor instead.
 func (*Status_EdgeStarted) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eca3873955a29cfe, []int{0, 3}
+	return file_frontend_proto_rawDescGZIP(), []int{0, 3}
 }
 
-func (m *Status_EdgeStarted) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Status_EdgeStarted.Unmarshal(m, b)
-}
-func (m *Status_EdgeStarted) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Status_EdgeStarted.Marshal(b, m, deterministic)
-}
-func (m *Status_EdgeStarted) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Status_EdgeStarted.Merge(m, src)
-}
-func (m *Status_EdgeStarted) XXX_Size() int {
-	return xxx_messageInfo_Status_EdgeStarted.Size(m)
-}
-func (m *Status_EdgeStarted) XXX_DiscardUnknown() {
-	xxx_messageInfo_Status_EdgeStarted.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Status_EdgeStarted proto.InternalMessageInfo
-
-func (m *Status_EdgeStarted) GetId() uint32 {
-	if m != nil && m.Id != nil {
-		return *m.Id
+func (x *Status_EdgeStarted) GetId() uint32 {
+	if x != nil && x.Id != nil {
+		return *x.Id
 	}
 	return 0
 }
 
-func (m *Status_EdgeStarted) GetStartTime() uint32 {
-	if m != nil && m.StartTime != nil {
-		return *m.StartTime
+func (x *Status_EdgeStarted) GetStartTime() uint32 {
+	if x != nil && x.StartTime != nil {
+		return *x.StartTime
 	}
 	return 0
 }
 
-func (m *Status_EdgeStarted) GetInputs() []string {
-	if m != nil {
-		return m.Inputs
+func (x *Status_EdgeStarted) GetInputs() []string {
+	if x != nil {
+		return x.Inputs
 	}
 	return nil
 }
 
-func (m *Status_EdgeStarted) GetOutputs() []string {
-	if m != nil {
-		return m.Outputs
+func (x *Status_EdgeStarted) GetOutputs() []string {
+	if x != nil {
+		return x.Outputs
 	}
 	return nil
 }
 
-func (m *Status_EdgeStarted) GetDesc() string {
-	if m != nil && m.Desc != nil {
-		return *m.Desc
+func (x *Status_EdgeStarted) GetDesc() string {
+	if x != nil && x.Desc != nil {
+		return *x.Desc
 	}
 	return ""
 }
 
-func (m *Status_EdgeStarted) GetCommand() string {
-	if m != nil && m.Command != nil {
-		return *m.Command
+func (x *Status_EdgeStarted) GetCommand() string {
+	if x != nil && x.Command != nil {
+		return *x.Command
 	}
 	return ""
 }
 
-func (m *Status_EdgeStarted) GetConsole() bool {
-	if m != nil && m.Console != nil {
-		return *m.Console
+func (x *Status_EdgeStarted) GetConsole() bool {
+	if x != nil && x.Console != nil {
+		return *x.Console
 	}
 	return false
 }
 
 type Status_EdgeFinished struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Edge identification number, unique to a Ninja run.
 	Id *uint32 `protobuf:"varint,1,opt,name=id" json:"id,omitempty"`
 	// Edge end time in milliseconds since Ninja started.
@@ -385,237 +458,434 @@
 	// Voluntary context switches
 	VoluntaryContextSwitches *uint64 `protobuf:"varint,12,opt,name=voluntary_context_switches,json=voluntaryContextSwitches" json:"voluntary_context_switches,omitempty"`
 	// Involuntary context switches
-	InvoluntaryContextSwitches *uint64  `protobuf:"varint,13,opt,name=involuntary_context_switches,json=involuntaryContextSwitches" json:"involuntary_context_switches,omitempty"`
-	XXX_NoUnkeyedLiteral       struct{} `json:"-"`
-	XXX_unrecognized           []byte   `json:"-"`
-	XXX_sizecache              int32    `json:"-"`
+	InvoluntaryContextSwitches *uint64 `protobuf:"varint,13,opt,name=involuntary_context_switches,json=involuntaryContextSwitches" json:"involuntary_context_switches,omitempty"`
 }
 
-func (m *Status_EdgeFinished) Reset()         { *m = Status_EdgeFinished{} }
-func (m *Status_EdgeFinished) String() string { return proto.CompactTextString(m) }
-func (*Status_EdgeFinished) ProtoMessage()    {}
+func (x *Status_EdgeFinished) Reset() {
+	*x = Status_EdgeFinished{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_frontend_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Status_EdgeFinished) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Status_EdgeFinished) ProtoMessage() {}
+
+func (x *Status_EdgeFinished) ProtoReflect() protoreflect.Message {
+	mi := &file_frontend_proto_msgTypes[5]
+	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 Status_EdgeFinished.ProtoReflect.Descriptor instead.
 func (*Status_EdgeFinished) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eca3873955a29cfe, []int{0, 4}
+	return file_frontend_proto_rawDescGZIP(), []int{0, 4}
 }
 
-func (m *Status_EdgeFinished) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Status_EdgeFinished.Unmarshal(m, b)
-}
-func (m *Status_EdgeFinished) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Status_EdgeFinished.Marshal(b, m, deterministic)
-}
-func (m *Status_EdgeFinished) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Status_EdgeFinished.Merge(m, src)
-}
-func (m *Status_EdgeFinished) XXX_Size() int {
-	return xxx_messageInfo_Status_EdgeFinished.Size(m)
-}
-func (m *Status_EdgeFinished) XXX_DiscardUnknown() {
-	xxx_messageInfo_Status_EdgeFinished.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Status_EdgeFinished proto.InternalMessageInfo
-
-func (m *Status_EdgeFinished) GetId() uint32 {
-	if m != nil && m.Id != nil {
-		return *m.Id
+func (x *Status_EdgeFinished) GetId() uint32 {
+	if x != nil && x.Id != nil {
+		return *x.Id
 	}
 	return 0
 }
 
-func (m *Status_EdgeFinished) GetEndTime() uint32 {
-	if m != nil && m.EndTime != nil {
-		return *m.EndTime
+func (x *Status_EdgeFinished) GetEndTime() uint32 {
+	if x != nil && x.EndTime != nil {
+		return *x.EndTime
 	}
 	return 0
 }
 
-func (m *Status_EdgeFinished) GetStatus() int32 {
-	if m != nil && m.Status != nil {
-		return *m.Status
+func (x *Status_EdgeFinished) GetStatus() int32 {
+	if x != nil && x.Status != nil {
+		return *x.Status
 	}
 	return 0
 }
 
-func (m *Status_EdgeFinished) GetOutput() string {
-	if m != nil && m.Output != nil {
-		return *m.Output
+func (x *Status_EdgeFinished) GetOutput() string {
+	if x != nil && x.Output != nil {
+		return *x.Output
 	}
 	return ""
 }
 
-func (m *Status_EdgeFinished) GetUserTime() uint32 {
-	if m != nil && m.UserTime != nil {
-		return *m.UserTime
+func (x *Status_EdgeFinished) GetUserTime() uint32 {
+	if x != nil && x.UserTime != nil {
+		return *x.UserTime
 	}
 	return 0
 }
 
-func (m *Status_EdgeFinished) GetSystemTime() uint32 {
-	if m != nil && m.SystemTime != nil {
-		return *m.SystemTime
+func (x *Status_EdgeFinished) GetSystemTime() uint32 {
+	if x != nil && x.SystemTime != nil {
+		return *x.SystemTime
 	}
 	return 0
 }
 
-func (m *Status_EdgeFinished) GetMaxRssKb() uint64 {
-	if m != nil && m.MaxRssKb != nil {
-		return *m.MaxRssKb
+func (x *Status_EdgeFinished) GetMaxRssKb() uint64 {
+	if x != nil && x.MaxRssKb != nil {
+		return *x.MaxRssKb
 	}
 	return 0
 }
 
-func (m *Status_EdgeFinished) GetMinorPageFaults() uint64 {
-	if m != nil && m.MinorPageFaults != nil {
-		return *m.MinorPageFaults
+func (x *Status_EdgeFinished) GetMinorPageFaults() uint64 {
+	if x != nil && x.MinorPageFaults != nil {
+		return *x.MinorPageFaults
 	}
 	return 0
 }
 
-func (m *Status_EdgeFinished) GetMajorPageFaults() uint64 {
-	if m != nil && m.MajorPageFaults != nil {
-		return *m.MajorPageFaults
+func (x *Status_EdgeFinished) GetMajorPageFaults() uint64 {
+	if x != nil && x.MajorPageFaults != nil {
+		return *x.MajorPageFaults
 	}
 	return 0
 }
 
-func (m *Status_EdgeFinished) GetIoInputKb() uint64 {
-	if m != nil && m.IoInputKb != nil {
-		return *m.IoInputKb
+func (x *Status_EdgeFinished) GetIoInputKb() uint64 {
+	if x != nil && x.IoInputKb != nil {
+		return *x.IoInputKb
 	}
 	return 0
 }
 
-func (m *Status_EdgeFinished) GetIoOutputKb() uint64 {
-	if m != nil && m.IoOutputKb != nil {
-		return *m.IoOutputKb
+func (x *Status_EdgeFinished) GetIoOutputKb() uint64 {
+	if x != nil && x.IoOutputKb != nil {
+		return *x.IoOutputKb
 	}
 	return 0
 }
 
-func (m *Status_EdgeFinished) GetVoluntaryContextSwitches() uint64 {
-	if m != nil && m.VoluntaryContextSwitches != nil {
-		return *m.VoluntaryContextSwitches
+func (x *Status_EdgeFinished) GetVoluntaryContextSwitches() uint64 {
+	if x != nil && x.VoluntaryContextSwitches != nil {
+		return *x.VoluntaryContextSwitches
 	}
 	return 0
 }
 
-func (m *Status_EdgeFinished) GetInvoluntaryContextSwitches() uint64 {
-	if m != nil && m.InvoluntaryContextSwitches != nil {
-		return *m.InvoluntaryContextSwitches
+func (x *Status_EdgeFinished) GetInvoluntaryContextSwitches() uint64 {
+	if x != nil && x.InvoluntaryContextSwitches != nil {
+		return *x.InvoluntaryContextSwitches
 	}
 	return 0
 }
 
 type Status_Message struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// Message priority level (DEBUG, INFO, WARNING, ERROR).
 	Level *Status_Message_Level `protobuf:"varint,1,opt,name=level,enum=ninja.Status_Message_Level,def=0" json:"level,omitempty"`
 	// Info/warning/error message from Ninja.
-	Message              *string  `protobuf:"bytes,2,opt,name=message" json:"message,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Message *string `protobuf:"bytes,2,opt,name=message" json:"message,omitempty"`
 }
 
-func (m *Status_Message) Reset()         { *m = Status_Message{} }
-func (m *Status_Message) String() string { return proto.CompactTextString(m) }
-func (*Status_Message) ProtoMessage()    {}
+// Default values for Status_Message fields.
+const (
+	Default_Status_Message_Level = Status_Message_INFO
+)
+
+func (x *Status_Message) Reset() {
+	*x = Status_Message{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_frontend_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Status_Message) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Status_Message) ProtoMessage() {}
+
+func (x *Status_Message) ProtoReflect() protoreflect.Message {
+	mi := &file_frontend_proto_msgTypes[6]
+	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 Status_Message.ProtoReflect.Descriptor instead.
 func (*Status_Message) Descriptor() ([]byte, []int) {
-	return fileDescriptor_eca3873955a29cfe, []int{0, 5}
+	return file_frontend_proto_rawDescGZIP(), []int{0, 5}
 }
 
-func (m *Status_Message) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Status_Message.Unmarshal(m, b)
-}
-func (m *Status_Message) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Status_Message.Marshal(b, m, deterministic)
-}
-func (m *Status_Message) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Status_Message.Merge(m, src)
-}
-func (m *Status_Message) XXX_Size() int {
-	return xxx_messageInfo_Status_Message.Size(m)
-}
-func (m *Status_Message) XXX_DiscardUnknown() {
-	xxx_messageInfo_Status_Message.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Status_Message proto.InternalMessageInfo
-
-const Default_Status_Message_Level Status_Message_Level = Status_Message_INFO
-
-func (m *Status_Message) GetLevel() Status_Message_Level {
-	if m != nil && m.Level != nil {
-		return *m.Level
+func (x *Status_Message) GetLevel() Status_Message_Level {
+	if x != nil && x.Level != nil {
+		return *x.Level
 	}
 	return Default_Status_Message_Level
 }
 
-func (m *Status_Message) GetMessage() string {
-	if m != nil && m.Message != nil {
-		return *m.Message
+func (x *Status_Message) GetMessage() string {
+	if x != nil && x.Message != nil {
+		return *x.Message
 	}
 	return ""
 }
 
-func init() {
-	proto.RegisterEnum("ninja.Status_Message_Level", Status_Message_Level_name, Status_Message_Level_value)
-	proto.RegisterType((*Status)(nil), "ninja.Status")
-	proto.RegisterType((*Status_TotalEdges)(nil), "ninja.Status.TotalEdges")
-	proto.RegisterType((*Status_BuildStarted)(nil), "ninja.Status.BuildStarted")
-	proto.RegisterType((*Status_BuildFinished)(nil), "ninja.Status.BuildFinished")
-	proto.RegisterType((*Status_EdgeStarted)(nil), "ninja.Status.EdgeStarted")
-	proto.RegisterType((*Status_EdgeFinished)(nil), "ninja.Status.EdgeFinished")
-	proto.RegisterType((*Status_Message)(nil), "ninja.Status.Message")
+var File_frontend_proto protoreflect.FileDescriptor
+
+var file_frontend_proto_rawDesc = []byte{
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 }
 
-func init() {
-	proto.RegisterFile("frontend.proto", fileDescriptor_eca3873955a29cfe)
+var (
+	file_frontend_proto_rawDescOnce sync.Once
+	file_frontend_proto_rawDescData = file_frontend_proto_rawDesc
+)
+
+func file_frontend_proto_rawDescGZIP() []byte {
+	file_frontend_proto_rawDescOnce.Do(func() {
+		file_frontend_proto_rawDescData = protoimpl.X.CompressGZIP(file_frontend_proto_rawDescData)
+	})
+	return file_frontend_proto_rawDescData
 }
 
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-	0x33, 0x13, 0x62, 0x05, 0x00, 0x00,
+var file_frontend_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_frontend_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_frontend_proto_goTypes = []interface{}{
+	(Status_Message_Level)(0),    // 0: ninja.Status.Message.Level
+	(*Status)(nil),               // 1: ninja.Status
+	(*Status_TotalEdges)(nil),    // 2: ninja.Status.TotalEdges
+	(*Status_BuildStarted)(nil),  // 3: ninja.Status.BuildStarted
+	(*Status_BuildFinished)(nil), // 4: ninja.Status.BuildFinished
+	(*Status_EdgeStarted)(nil),   // 5: ninja.Status.EdgeStarted
+	(*Status_EdgeFinished)(nil),  // 6: ninja.Status.EdgeFinished
+	(*Status_Message)(nil),       // 7: ninja.Status.Message
+}
+var file_frontend_proto_depIdxs = []int32{
+	2, // 0: ninja.Status.total_edges:type_name -> ninja.Status.TotalEdges
+	3, // 1: ninja.Status.build_started:type_name -> ninja.Status.BuildStarted
+	4, // 2: ninja.Status.build_finished:type_name -> ninja.Status.BuildFinished
+	5, // 3: ninja.Status.edge_started:type_name -> ninja.Status.EdgeStarted
+	6, // 4: ninja.Status.edge_finished:type_name -> ninja.Status.EdgeFinished
+	7, // 5: ninja.Status.message:type_name -> ninja.Status.Message
+	0, // 6: ninja.Status.Message.level:type_name -> ninja.Status.Message.Level
+	7, // [7:7] is the sub-list for method output_type
+	7, // [7:7] is the sub-list for method input_type
+	7, // [7:7] is the sub-list for extension type_name
+	7, // [7:7] is the sub-list for extension extendee
+	0, // [0:7] is the sub-list for field type_name
+}
+
+func init() { file_frontend_proto_init() }
+func file_frontend_proto_init() {
+	if File_frontend_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_frontend_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Status); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_frontend_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Status_TotalEdges); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_frontend_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Status_BuildStarted); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_frontend_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Status_BuildFinished); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_frontend_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Status_EdgeStarted); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_frontend_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Status_EdgeFinished); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_frontend_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Status_Message); 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_frontend_proto_rawDesc,
+			NumEnums:      1,
+			NumMessages:   7,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_frontend_proto_goTypes,
+		DependencyIndexes: file_frontend_proto_depIdxs,
+		EnumInfos:         file_frontend_proto_enumTypes,
+		MessageInfos:      file_frontend_proto_msgTypes,
+	}.Build()
+	File_frontend_proto = out.File
+	file_frontend_proto_rawDesc = nil
+	file_frontend_proto_goTypes = nil
+	file_frontend_proto_depIdxs = nil
 }
diff --git a/ui/status/ninja_frontend/frontend.proto b/ui/status/ninja_frontend/frontend.proto
index e5e5d9f..5730388 100644
--- a/ui/status/ninja_frontend/frontend.proto
+++ b/ui/status/ninja_frontend/frontend.proto
@@ -17,7 +17,7 @@
 option optimize_for = LITE_RUNTIME;
 
 package ninja;
-option go_package = "ninja_frontend";
+option go_package = "android/soong/ui/status/ninja_frontend";
 
 message Status {
   message TotalEdges {