diff --git a/android/bazel.go b/android/bazel.go
index 0ee65ef..8c63204 100644
--- a/android/bazel.go
+++ b/android/bazel.go
@@ -15,6 +15,8 @@
 package android
 
 import (
+	"bufio"
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"path/filepath"
@@ -39,6 +41,10 @@
 	// To opt-out a module, set bazel_module: { bp2build_available: false }
 	// To defer the default setting for the directory, do not set the value.
 	Bp2build_available *bool
+
+	// CanConvertToBazel is set via InitBazelModule to indicate that a module type can be converted to
+	// Bazel with Bp2build.
+	CanConvertToBazel bool `blueprint:"mutated"`
 }
 
 // Properties contains common module properties for Bazel migration purposes.
@@ -80,9 +86,10 @@
 	HasHandcraftedLabel() bool
 	HandcraftedLabel() string
 	GetBazelLabel(ctx BazelConversionPathContext, module blueprint.Module) string
-	ConvertWithBp2build(ctx BazelConversionContext) bool
-	convertWithBp2build(ctx BazelConversionContext, module blueprint.Module) bool
+	ShouldConvertWithBp2build(ctx BazelConversionContext) bool
+	shouldConvertWithBp2build(ctx BazelConversionContext, module blueprint.Module) bool
 	GetBazelBuildFileContents(c Config, path, name string) (string, error)
+	ConvertWithBp2build(ctx TopDownMutatorContext)
 
 	// namespacedVariableProps is a map from a soong config variable namespace
 	// (e.g. acme, android) to a map of interfaces{}, which are really
@@ -109,6 +116,7 @@
 // properties.
 func InitBazelModule(module BazelModule) {
 	module.AddProperties(module.bazelProps())
+	module.bazelProps().Bazel_module.CanConvertToBazel = true
 }
 
 // bazelProps returns the Bazel properties for the given BazelModuleBase.
@@ -147,7 +155,7 @@
 	if b.HasHandcraftedLabel() {
 		return b.HandcraftedLabel()
 	}
-	if b.ConvertWithBp2build(ctx) {
+	if b.ShouldConvertWithBp2build(ctx) {
 		return bp2buildModuleLabel(ctx, module)
 	}
 	return "" // no label for unconverted module
@@ -200,7 +208,8 @@
 		"build/bazel/platforms":/* recursive = */ true,
 		"build/bazel/product_variables":/* recursive = */ true,
 		"build/bazel_common_rules":/* recursive = */ true,
-		"build/make/tools":/* recursive = */ true,
+		// build/make/tools/signapk BUILD file is generated, so build/make/tools is not recursive.
+		"build/make/tools":/* recursive = */ false,
 		"build/pesto":/* recursive = */ true,
 
 		// external/bazelbuild-rules_android/... is needed by mixed builds, otherwise mixed builds analysis fails
@@ -231,6 +240,7 @@
 		"bootable/recovery/tools/recovery_l10n": Bp2BuildDefaultTrue,
 		"build/bazel/examples/soong_config_variables":        Bp2BuildDefaultTrueRecursively,
 		"build/bazel/examples/apex/minimal":                  Bp2BuildDefaultTrueRecursively,
+		"build/make/tools/signapk":                           Bp2BuildDefaultTrue,
 		"build/soong":                                        Bp2BuildDefaultTrue,
 		"build/soong/cc/libbuildversion":                     Bp2BuildDefaultTrue, // Skip tests subdir
 		"build/soong/cc/ndkstubgen":                          Bp2BuildDefaultTrue,
@@ -273,7 +283,9 @@
 		"development/sdk":                                    Bp2BuildDefaultTrueRecursively,
 		"external/arm-optimized-routines":                    Bp2BuildDefaultTrueRecursively,
 		"external/boringssl":                                 Bp2BuildDefaultTrueRecursively,
+		"external/bouncycastle":                              Bp2BuildDefaultTrue,
 		"external/brotli":                                    Bp2BuildDefaultTrue,
+		"external/conscrypt":                                 Bp2BuildDefaultTrue,
 		"external/fmtlib":                                    Bp2BuildDefaultTrueRecursively,
 		"external/google-benchmark":                          Bp2BuildDefaultTrueRecursively,
 		"external/googletest":                                Bp2BuildDefaultTrueRecursively,
@@ -343,6 +355,8 @@
 		"system/timezone/output_data":                        Bp2BuildDefaultTrueRecursively,
 		"system/unwinding/libbacktrace":                      Bp2BuildDefaultTrueRecursively,
 		"system/unwinding/libunwindstack":                    Bp2BuildDefaultTrueRecursively,
+		"tools/apksig":                                       Bp2BuildDefaultTrue,
+		"tools/platform-compat/java/android/compat":          Bp2BuildDefaultTrueRecursively,
 	}
 
 	// Per-module denylist to always opt modules out of both bp2build and mixed builds.
@@ -398,8 +412,11 @@
 		"lib_linker_config_proto_lite", // contains .proto sources
 
 		"libprotobuf-python",               // contains .proto sources
-		"libprotobuf-internal-protos",      // we don't handle path property for fileegroups
-		"libprotobuf-internal-python-srcs", // we don't handle path property for fileegroups
+		"libprotobuf-internal-protos",      // b/210751803, we don't handle path property for filegroups
+		"libprotobuf-internal-python-srcs", // b/210751803, we don't handle path property for filegroups
+		"libprotobuf-java-full",            // b/210751803, we don't handle path property for filegroups
+		"libprotobuf-java-util-full",       // b/210751803, we don't handle path property for filegroups
+		"conscrypt",                        // b/210751803, we don't handle path property for filegroups
 
 		"libseccomp_policy", // b/201094425: depends on func_to_syscall_nrs, which depends on py_binary, which is unsupported in mixed builds.
 		"libfdtrack",        // depends on unconverted module libunwindstack
@@ -436,6 +453,9 @@
 
 		"acvp_modulewrapper", // disabled for android x86/x86_64
 		"CarHTMLViewer",      // depends on unconverted modules android.car-stubs, car-ui-lib
+
+		"libdexfile",  // depends on unconverted modules: dexfile_operator_srcs, libartbase, libartpalette,
+		"libdexfiled", // depends on unconverted modules: dexfile_operator_srcs, libartbased, libartpalette
 	}
 
 	// Per-module denylist of cc_library modules to only generate the static
@@ -530,32 +550,21 @@
 	if !ok {
 		return false
 	}
-	return b.convertWithBp2build(ctx, module) || b.HasHandcraftedLabel()
+	return b.shouldConvertWithBp2build(ctx, module) || b.HasHandcraftedLabel()
 }
 
-// ConvertWithBp2build returns whether the given BazelModuleBase should be converted with bp2build.
-func (b *BazelModuleBase) ConvertWithBp2build(ctx BazelConversionContext) bool {
-	return b.convertWithBp2build(ctx, ctx.Module())
+// ShouldConvertWithBp2build returns whether the given BazelModuleBase should be converted with bp2build.
+func (b *BazelModuleBase) ShouldConvertWithBp2build(ctx BazelConversionContext) bool {
+	return b.shouldConvertWithBp2build(ctx, ctx.Module())
 }
 
-func (b *BazelModuleBase) convertWithBp2build(ctx BazelConversionContext, module blueprint.Module) bool {
+func (b *BazelModuleBase) shouldConvertWithBp2build(ctx BazelConversionContext, module blueprint.Module) bool {
 	if bp2buildModuleDoNotConvert[module.Name()] {
 		return false
 	}
 
-	// Ensure that the module type of this module has a bp2build converter. This
-	// prevents mixed builds from using auto-converted modules just by matching
-	// the package dir; it also has to have a bp2build mutator as well.
-	if ctx.Config().bp2buildModuleTypeConfig[ctx.OtherModuleType(module)] == false {
-		if b, ok := module.(Bazelable); ok && b.BaseModuleType() != "" {
-			// For modules with custom types from soong_config_module_types,
-			// check that their _base module type_ has a bp2build mutator.
-			if ctx.Config().bp2buildModuleTypeConfig[b.BaseModuleType()] == false {
-				return false
-			}
-		} else {
-			return false
-		}
+	if !b.bazelProps().Bazel_module.CanConvertToBazel {
+		return false
 	}
 
 	packagePath := ctx.OtherModuleDir(module)
@@ -629,3 +638,35 @@
 	}
 	return string(data[:]), nil
 }
+
+func registerBp2buildConversionMutator(ctx RegisterMutatorsContext) {
+	ctx.TopDown("bp2build_conversion", convertWithBp2build).Parallel()
+}
+
+func convertWithBp2build(ctx TopDownMutatorContext) {
+	bModule, ok := ctx.Module().(Bazelable)
+	if !ok || !bModule.shouldConvertWithBp2build(ctx, ctx.Module()) {
+		return
+	}
+
+	bModule.ConvertWithBp2build(ctx)
+}
+
+// GetMainClassInManifest scans the manifest file specified in filepath and returns
+// the value of attribute Main-Class in the manifest file if it exists, or returns error.
+// WARNING: this is for bp2build converters of java_* modules only.
+func GetMainClassInManifest(c Config, filepath string) (string, error) {
+	file, err := c.fs.Open(filepath)
+	if err != nil {
+		return "", err
+	}
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+		if strings.HasPrefix(line, "Main-Class:") {
+			return strings.TrimSpace(line[len("Main-Class:"):]), nil
+		}
+	}
+
+	return "", errors.New("Main-Class is not found.")
+}
diff --git a/android/config.go b/android/config.go
index 3ce59b2..5d90fd2 100644
--- a/android/config.go
+++ b/android/config.go
@@ -157,7 +157,6 @@
 
 	runningAsBp2Build              bool
 	bp2buildPackageConfig          Bp2BuildConfig
-	bp2buildModuleTypeConfig       map[string]bool
 	Bp2buildSoongConfigDefinitions soongconfig.Bp2BuildSoongConfigDefinitions
 
 	// If testAllowNonExistentPaths is true then PathForSource and PathForModuleSrc won't error
@@ -353,8 +352,6 @@
 
 	config.mockFileSystem(bp, fs)
 
-	config.bp2buildModuleTypeConfig = map[string]bool{}
-
 	determineBuildOS(config)
 
 	return Config{config}
@@ -522,7 +519,6 @@
 
 	config.BazelContext, err = NewBazelContext(config)
 	config.bp2buildPackageConfig = bp2buildDefaultConfig
-	config.bp2buildModuleTypeConfig = make(map[string]bool)
 
 	return Config{config}, err
 }
diff --git a/android/defaults.go b/android/defaults.go
index d2b351d..7b3d38c 100644
--- a/android/defaults.go
+++ b/android/defaults.go
@@ -173,6 +173,10 @@
 func (d *DefaultsModuleBase) GenerateAndroidBuildActions(ctx ModuleContext) {
 }
 
+// ConvertWithBp2build to fulfill Bazelable interface; however, at this time defaults module are
+// *NOT* converted with bp2build
+func (defaultable *DefaultsModuleBase) ConvertWithBp2build(ctx TopDownMutatorContext) {}
+
 func InitDefaultsModule(module DefaultsModule) {
 	commonProperties := &commonProperties{}
 
diff --git a/android/filegroup.go b/android/filegroup.go
index a79374d..c932ffa 100644
--- a/android/filegroup.go
+++ b/android/filegroup.go
@@ -22,7 +22,6 @@
 
 func init() {
 	RegisterModuleType("filegroup", FileGroupFactory)
-	RegisterBp2BuildMutator("filegroup", FilegroupBp2Build)
 }
 
 var PrepareForTestWithFilegroup = FixtureRegisterWithContext(func(ctx RegistrationContext) {
@@ -34,12 +33,8 @@
 	Srcs bazel.LabelListAttribute
 }
 
-func FilegroupBp2Build(ctx TopDownMutatorContext) {
-	fg, ok := ctx.Module().(*fileGroup)
-	if !ok || !fg.ConvertWithBp2build(ctx) {
-		return
-	}
-
+// ConvertWithBp2build performs bp2build conversion of filegroup
+func (fg *fileGroup) ConvertWithBp2build(ctx TopDownMutatorContext) {
 	srcs := bazel.MakeLabelListAttribute(
 		BazelLabelForModuleSrcExcludes(ctx, fg.properties.Srcs, fg.properties.Exclude_srcs))
 
diff --git a/android/module.go b/android/module.go
index 6c7fc65..189781a 100644
--- a/android/module.go
+++ b/android/module.go
@@ -1290,7 +1290,7 @@
 // GetUnconvertedBp2buildDeps returns the list of module names of this module's direct dependencies that
 // were not converted to Bazel.
 func (m *ModuleBase) GetUnconvertedBp2buildDeps() []string {
-	return m.commonProperties.UnconvertedBp2buildDeps
+	return FirstUniqueStrings(m.commonProperties.UnconvertedBp2buildDeps)
 }
 
 func (m *ModuleBase) AddJSONData(d *map[string]interface{}) {
diff --git a/android/mutator.go b/android/mutator.go
index bf1cf80..dbd8c04 100644
--- a/android/mutator.go
+++ b/android/mutator.go
@@ -16,7 +16,6 @@
 
 import (
 	"reflect"
-	"sync"
 
 	"android/soong/bazel"
 
@@ -34,12 +33,12 @@
 //   continue on to GenerateAndroidBuildActions
 
 // RegisterMutatorsForBazelConversion is a alternate registration pipeline for bp2build. Exported for testing.
-func RegisterMutatorsForBazelConversion(ctx *Context, preArchMutators, bp2buildMutators []RegisterMutatorFunc) {
+func RegisterMutatorsForBazelConversion(ctx *Context, preArchMutators []RegisterMutatorFunc) {
 	mctx := &registerMutatorsContext{
 		bazelConversionMode: true,
 	}
 
-	bp2buildPreArchMutators = append([]RegisterMutatorFunc{
+	bp2buildMutators := append([]RegisterMutatorFunc{
 		RegisterNamespaceMutator,
 		RegisterDefaultsPreArchMutators,
 		// TODO(b/165114590): this is required to resolve deps that are only prebuilts, but we should
@@ -47,10 +46,7 @@
 		RegisterPrebuiltsPreArchMutators,
 	},
 		preArchMutators...)
-
-	for _, f := range bp2buildPreArchMutators {
-		f(mctx)
-	}
+	bp2buildMutators = append(bp2buildMutators, registerBp2buildConversionMutator)
 
 	// Register bp2build mutators
 	for _, f := range bp2buildMutators {
@@ -216,10 +212,6 @@
 }
 
 var bp2buildPreArchMutators = []RegisterMutatorFunc{}
-var bp2buildMutators = map[string]RegisterMutatorFunc{}
-
-// See http://b/192523357
-var bp2buildLock sync.Mutex
 
 // A minimal context for Bp2build conversion
 type Bp2buildMutatorContext interface {
@@ -228,21 +220,6 @@
 	CreateBazelTargetModule(bazel.BazelTargetModuleProperties, CommonAttributes, interface{})
 }
 
-// RegisterBp2BuildMutator registers specially crafted mutators for
-// converting Blueprint/Android modules into special modules that can
-// be code-generated into Bazel BUILD targets.
-//
-// TODO(b/178068862): bring this into TestContext.
-func RegisterBp2BuildMutator(moduleType string, m func(TopDownMutatorContext)) {
-	f := func(ctx RegisterMutatorsContext) {
-		ctx.TopDown(moduleType, m)
-	}
-	// Use a lock to avoid a concurrent map write if RegisterBp2BuildMutator is called in parallel
-	bp2buildLock.Lock()
-	defer bp2buildLock.Unlock()
-	bp2buildMutators[moduleType] = f
-}
-
 // PreArchBp2BuildMutators adds mutators to be register for converting Android Blueprint modules
 // into Bazel BUILD targets that should run prior to deps and conversion.
 func PreArchBp2BuildMutators(f RegisterMutatorFunc) {
diff --git a/android/register.go b/android/register.go
index 4244398..1ac4440 100644
--- a/android/register.go
+++ b/android/register.go
@@ -178,13 +178,7 @@
 		t.register(ctx)
 	}
 
-	bp2buildMutatorList := []RegisterMutatorFunc{}
-	for t, f := range bp2buildMutators {
-		ctx.config.bp2buildModuleTypeConfig[t] = true
-		bp2buildMutatorList = append(bp2buildMutatorList, f)
-	}
-
-	RegisterMutatorsForBazelConversion(ctx, bp2buildPreArchMutators, bp2buildMutatorList)
+	RegisterMutatorsForBazelConversion(ctx, bp2buildPreArchMutators)
 }
 
 // Register the pipeline of singletons, module types, and mutators for
@@ -196,15 +190,6 @@
 		t.register(ctx)
 	}
 
-	if ctx.config.BazelContext.BazelEnabled() {
-		// Hydrate the configuration of bp2build-enabled module types. This is
-		// required as a signal to identify which modules should be deferred to
-		// Bazel in mixed builds, if it is enabled.
-		for t, _ := range bp2buildMutators {
-			ctx.config.bp2buildModuleTypeConfig[t] = true
-		}
-	}
-
 	mutators := collateGloballyRegisteredMutators()
 	mutators.registerAll(ctx)
 
diff --git a/android/testing.go b/android/testing.go
index 6290d43..8daf6b7 100644
--- a/android/testing.go
+++ b/android/testing.go
@@ -208,16 +208,6 @@
 	ctx.config.bp2buildPackageConfig = config
 }
 
-// RegisterBp2BuildMutator registers a BazelTargetModule mutator for converting a module
-// type to the equivalent Bazel target.
-func (ctx *TestContext) RegisterBp2BuildMutator(moduleType string, m func(TopDownMutatorContext)) {
-	f := func(ctx RegisterMutatorsContext) {
-		ctx.TopDown(moduleType, m)
-	}
-	ctx.config.bp2buildModuleTypeConfig[moduleType] = true
-	ctx.bp2buildMutators = append(ctx.bp2buildMutators, f)
-}
-
 // PreArchBp2BuildMutators adds mutators to be register for converting Android Blueprint modules
 // into Bazel BUILD targets that should run prior to deps and conversion.
 func (ctx *TestContext) PreArchBp2BuildMutators(f RegisterMutatorFunc) {
@@ -459,7 +449,7 @@
 // RegisterForBazelConversion prepares a test context for bp2build conversion.
 func (ctx *TestContext) RegisterForBazelConversion() {
 	ctx.SetRunningAsBp2build()
-	RegisterMutatorsForBazelConversion(ctx.Context, ctx.bp2buildPreArch, ctx.bp2buildMutators)
+	RegisterMutatorsForBazelConversion(ctx.Context, ctx.bp2buildPreArch)
 }
 
 func (ctx *TestContext) ParseFileList(rootDir string, filePaths []string) (deps []string, errs []error) {
diff --git a/apex/apex.go b/apex/apex.go
index e5cee72..b7faa5b 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -54,8 +54,6 @@
 	ctx.PreArchMutators(registerPreArchMutators)
 	ctx.PreDepsMutators(RegisterPreDepsMutators)
 	ctx.PostDepsMutators(RegisterPostDepsMutators)
-
-	android.RegisterBp2BuildMutator("apex", ApexBundleBp2Build)
 }
 
 func registerPreArchMutators(ctx android.RegisterMutatorsContext) {
@@ -98,6 +96,14 @@
 	// /system/sepolicy/apex/<module_name>_file_contexts.
 	File_contexts *string `android:"path"`
 
+	// Path to the canned fs config file for customizing file's uid/gid/mod/capabilities. The
+	// format is /<path_or_glob> <uid> <gid> <mode> [capabilities=0x<cap>], where path_or_glob is a
+	// path or glob pattern for a file or set of files, uid/gid are numerial values of user ID
+	// and group ID, mode is octal value for the file mode, and cap is hexadecimal value for the
+	// capability. If this property is not set, or a file is missing in the file, default config
+	// is used.
+	Canned_fs_config *string `android:"path"`
+
 	ApexNativeDependencies
 
 	Multilib apexMultilibProperties
@@ -3274,72 +3280,62 @@
 	Prebuilts          bazel.LabelListAttribute
 }
 
-func ApexBundleBp2Build(ctx android.TopDownMutatorContext) {
-	module, ok := ctx.Module().(*apexBundle)
-	if !ok {
-		// Not an APEX bundle
-		return
-	}
-	if !module.ConvertWithBp2build(ctx) {
-		return
-	}
+// ConvertWithBp2build performs bp2build conversion of an apex
+func (a *apexBundle) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	// We do not convert apex_test modules at this time
 	if ctx.ModuleType() != "apex" {
 		return
 	}
 
-	apexBundleBp2BuildInternal(ctx, module)
-}
-
-func apexBundleBp2BuildInternal(ctx android.TopDownMutatorContext, module *apexBundle) {
 	var manifestLabelAttribute bazel.LabelAttribute
-	if module.properties.Manifest != nil {
-		manifestLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *module.properties.Manifest))
+	if a.properties.Manifest != nil {
+		manifestLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *a.properties.Manifest))
 	}
 
 	var androidManifestLabelAttribute bazel.LabelAttribute
-	if module.properties.AndroidManifest != nil {
-		androidManifestLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *module.properties.AndroidManifest))
+	if a.properties.AndroidManifest != nil {
+		androidManifestLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *a.properties.AndroidManifest))
 	}
 
 	var fileContextsLabelAttribute bazel.LabelAttribute
-	if module.properties.File_contexts != nil {
-		fileContextsLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *module.properties.File_contexts))
+	if a.properties.File_contexts != nil {
+		fileContextsLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *a.properties.File_contexts))
 	}
 
 	var minSdkVersion *string
-	if module.properties.Min_sdk_version != nil {
-		minSdkVersion = module.properties.Min_sdk_version
+	if a.properties.Min_sdk_version != nil {
+		minSdkVersion = a.properties.Min_sdk_version
 	}
 
 	var keyLabelAttribute bazel.LabelAttribute
-	if module.overridableProperties.Key != nil {
-		keyLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *module.overridableProperties.Key))
+	if a.overridableProperties.Key != nil {
+		keyLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *a.overridableProperties.Key))
 	}
 
 	var certificateLabelAttribute bazel.LabelAttribute
-	if module.overridableProperties.Certificate != nil {
-		certificateLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *module.overridableProperties.Certificate))
+	if a.overridableProperties.Certificate != nil {
+		certificateLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *a.overridableProperties.Certificate))
 	}
 
-	nativeSharedLibs := module.properties.ApexNativeDependencies.Native_shared_libs
+	nativeSharedLibs := a.properties.ApexNativeDependencies.Native_shared_libs
 	nativeSharedLibsLabelList := android.BazelLabelForModuleDeps(ctx, nativeSharedLibs)
 	nativeSharedLibsLabelListAttribute := bazel.MakeLabelListAttribute(nativeSharedLibsLabelList)
 
-	prebuilts := module.overridableProperties.Prebuilts
+	prebuilts := a.overridableProperties.Prebuilts
 	prebuiltsLabelList := android.BazelLabelForModuleDeps(ctx, prebuilts)
 	prebuiltsLabelListAttribute := bazel.MakeLabelListAttribute(prebuiltsLabelList)
 
-	binaries := android.BazelLabelForModuleDeps(ctx, module.properties.ApexNativeDependencies.Binaries)
+	binaries := android.BazelLabelForModuleDeps(ctx, a.properties.ApexNativeDependencies.Binaries)
 	binariesLabelListAttribute := bazel.MakeLabelListAttribute(binaries)
 
 	var updatableAttribute bazel.BoolAttribute
-	if module.properties.Updatable != nil {
-		updatableAttribute.Value = module.properties.Updatable
+	if a.properties.Updatable != nil {
+		updatableAttribute.Value = a.properties.Updatable
 	}
 
 	var installableAttribute bazel.BoolAttribute
-	if module.properties.Installable != nil {
-		installableAttribute.Value = module.properties.Installable
+	if a.properties.Installable != nil {
+		installableAttribute.Value = a.properties.Installable
 	}
 
 	attrs := &bazelApexBundleAttributes{
@@ -3361,5 +3357,5 @@
 		Bzl_load_location: "//build/bazel/rules:apex.bzl",
 	}
 
-	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: module.Name()}, attrs)
+	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: a.Name()}, attrs)
 }
diff --git a/apex/apex_test.go b/apex/apex_test.go
index c71b6d0..a749ea1 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -2581,22 +2581,21 @@
 	`)
 
 	generateFsRule := ctx.ModuleForTests("myapex", "android_common_myapex_image").Rule("generateFsConfig")
-	dirs := strings.Split(generateFsRule.Args["exec_paths"], " ")
+	cmd := generateFsRule.RuleParams.Command
 
 	// Ensure that the subdirectories are all listed
-	ensureListContains(t, dirs, "etc")
-	ensureListContains(t, dirs, "etc/foo")
-	ensureListContains(t, dirs, "etc/foo/bar")
-	ensureListContains(t, dirs, "lib64")
-	ensureListContains(t, dirs, "lib64/foo")
-	ensureListContains(t, dirs, "lib64/foo/bar")
-	ensureListContains(t, dirs, "lib")
-	ensureListContains(t, dirs, "lib/foo")
-	ensureListContains(t, dirs, "lib/foo/bar")
-
-	ensureListContains(t, dirs, "bin")
-	ensureListContains(t, dirs, "bin/foo")
-	ensureListContains(t, dirs, "bin/foo/bar")
+	ensureContains(t, cmd, "/etc ")
+	ensureContains(t, cmd, "/etc/foo ")
+	ensureContains(t, cmd, "/etc/foo/bar ")
+	ensureContains(t, cmd, "/lib64 ")
+	ensureContains(t, cmd, "/lib64/foo ")
+	ensureContains(t, cmd, "/lib64/foo/bar ")
+	ensureContains(t, cmd, "/lib ")
+	ensureContains(t, cmd, "/lib/foo ")
+	ensureContains(t, cmd, "/lib/foo/bar ")
+	ensureContains(t, cmd, "/bin ")
+	ensureContains(t, cmd, "/bin/foo ")
+	ensureContains(t, cmd, "/bin/foo/bar ")
 }
 
 func TestFilesInSubDirWhenNativeBridgeEnabled(t *testing.T) {
diff --git a/apex/builder.go b/apex/builder.go
index 5910784..ea25537 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -72,19 +72,6 @@
 }
 
 var (
-	// Create a canned fs config file where all files and directories are
-	// by default set to (uid/gid/mode) = (1000/1000/0644)
-	// TODO(b/113082813) make this configurable using config.fs syntax
-	generateFsConfig = pctx.StaticRule("generateFsConfig", blueprint.RuleParams{
-		Command: `( set -e; echo '/ 1000 1000 0755' ` +
-			`&& for i in ${ro_paths}; do echo "/$$i 1000 1000 0644"; done ` +
-			`&& for i in  ${exec_paths}; do echo "/$$i 0 2000 0755"; done ` +
-			`&& ( tr ' ' '\n' <${out}.apklist | for i in ${apk_paths}; do read apk; echo "/$$i 0 2000 0755"; zipinfo -1 $$apk | sed "s:\(.*\):/$$i/\1 1000 1000 0644:"; done ) ) > ${out}`,
-		Description:    "fs_config ${out}",
-		Rspfile:        "$out.apklist",
-		RspfileContent: "$in",
-	}, "ro_paths", "exec_paths", "apk_paths")
-
 	apexManifestRule = pctx.StaticRule("apexManifestRule", blueprint.RuleParams{
 		Command: `rm -f $out && ${jsonmodify} $in ` +
 			`-a provideNativeLibs ${provideNativeLibs} ` +
@@ -583,55 +570,11 @@
 	// Figure out if need to compress apex.
 	compressionEnabled := ctx.Config().CompressedApex() && proptools.BoolDefault(a.properties.Compressible, false) && !a.testApex && !ctx.Config().UnbundledBuildApps()
 	if apexType == imageApex {
+
 		////////////////////////////////////////////////////////////////////////////////////
 		// Step 2: create canned_fs_config which encodes filemode,uid,gid of each files
 		// in this APEX. The file will be used by apexer in later steps.
-		// TODO(jiyong): make this as a function
-		// TODO(jiyong): use the RuleBuilder
-		var readOnlyPaths = []string{"apex_manifest.json", "apex_manifest.pb"}
-		var executablePaths []string // this also includes dirs
-		var extractedAppSetPaths android.Paths
-		var extractedAppSetDirs []string
-		for _, f := range a.filesInfo {
-			pathInApex := f.path()
-			if f.installDir == "bin" || strings.HasPrefix(f.installDir, "bin/") {
-				executablePaths = append(executablePaths, pathInApex)
-				for _, d := range f.dataPaths {
-					readOnlyPaths = append(readOnlyPaths, filepath.Join(f.installDir, d.RelativeInstallPath, d.SrcPath.Rel()))
-				}
-				for _, s := range f.symlinks {
-					executablePaths = append(executablePaths, filepath.Join(f.installDir, s))
-				}
-			} else if f.class == appSet {
-				extractedAppSetPaths = append(extractedAppSetPaths, f.builtFile)
-				extractedAppSetDirs = append(extractedAppSetDirs, f.installDir)
-			} else {
-				readOnlyPaths = append(readOnlyPaths, pathInApex)
-			}
-			dir := f.installDir
-			for !android.InList(dir, executablePaths) && dir != "" {
-				executablePaths = append(executablePaths, dir)
-				dir, _ = filepath.Split(dir) // move up to the parent
-				if len(dir) > 0 {
-					// remove trailing slash
-					dir = dir[:len(dir)-1]
-				}
-			}
-		}
-		sort.Strings(readOnlyPaths)
-		sort.Strings(executablePaths)
-		cannedFsConfig := android.PathForModuleOut(ctx, "canned_fs_config")
-		ctx.Build(pctx, android.BuildParams{
-			Rule:        generateFsConfig,
-			Output:      cannedFsConfig,
-			Description: "generate fs config",
-			Inputs:      extractedAppSetPaths,
-			Args: map[string]string{
-				"ro_paths":   strings.Join(readOnlyPaths, " "),
-				"exec_paths": strings.Join(executablePaths, " "),
-				"apk_paths":  strings.Join(extractedAppSetDirs, " "),
-			},
-		})
+		cannedFsConfig := a.buildCannedFsConfig(ctx)
 		implicitInputs = append(implicitInputs, cannedFsConfig)
 
 		////////////////////////////////////////////////////////////////////////////////////
@@ -1072,3 +1015,65 @@
 
 	a.lintReports = java.BuildModuleLintReportZips(ctx, depSetsBuilder.Build())
 }
+
+func (a *apexBundle) buildCannedFsConfig(ctx android.ModuleContext) android.OutputPath {
+	var readOnlyPaths = []string{"apex_manifest.json", "apex_manifest.pb"}
+	var executablePaths []string // this also includes dirs
+	var appSetDirs []string
+	appSetFiles := make(map[string]android.Path)
+	for _, f := range a.filesInfo {
+		pathInApex := f.path()
+		if f.installDir == "bin" || strings.HasPrefix(f.installDir, "bin/") {
+			executablePaths = append(executablePaths, pathInApex)
+			for _, d := range f.dataPaths {
+				readOnlyPaths = append(readOnlyPaths, filepath.Join(f.installDir, d.RelativeInstallPath, d.SrcPath.Rel()))
+			}
+			for _, s := range f.symlinks {
+				executablePaths = append(executablePaths, filepath.Join(f.installDir, s))
+			}
+		} else if f.class == appSet {
+			appSetDirs = append(appSetDirs, f.installDir)
+			appSetFiles[f.installDir] = f.builtFile
+		} else {
+			readOnlyPaths = append(readOnlyPaths, pathInApex)
+		}
+		dir := f.installDir
+		for !android.InList(dir, executablePaths) && dir != "" {
+			executablePaths = append(executablePaths, dir)
+			dir, _ = filepath.Split(dir) // move up to the parent
+			if len(dir) > 0 {
+				// remove trailing slash
+				dir = dir[:len(dir)-1]
+			}
+		}
+	}
+	sort.Strings(readOnlyPaths)
+	sort.Strings(executablePaths)
+	sort.Strings(appSetDirs)
+
+	cannedFsConfig := android.PathForModuleOut(ctx, "canned_fs_config")
+	builder := android.NewRuleBuilder(pctx, ctx)
+	cmd := builder.Command()
+	cmd.Text("(")
+	cmd.Text("echo '/ 1000 1000 0755';")
+	for _, p := range readOnlyPaths {
+		cmd.Textf("echo '/%s 1000 1000 0644';", p)
+	}
+	for _, p := range executablePaths {
+		cmd.Textf("echo '/%s 0 2000 0755';", p)
+	}
+	for _, dir := range appSetDirs {
+		cmd.Textf("echo '/%s 0 2000 0755';", dir)
+		file := appSetFiles[dir]
+		cmd.Text("zipinfo -1").Input(file).Textf(`| sed "s:\(.*\):/%s/\1 1000 1000 0644:";`, dir)
+	}
+	// Custom fs_config is "appended" to the last so that entries from the file are preferred
+	// over default ones set above.
+	if a.properties.Canned_fs_config != nil {
+		cmd.Text("cat").Input(android.PathForModuleSrc(ctx, *a.properties.Canned_fs_config))
+	}
+	cmd.Text(")").FlagWithOutput("> ", cannedFsConfig)
+	builder.Build("generateFsConfig", fmt.Sprintf("Generating canned fs config for %s", a.BaseModuleName()))
+
+	return cannedFsConfig.OutputPath
+}
diff --git a/apex/key.go b/apex/key.go
index 259060f..829410e 100644
--- a/apex/key.go
+++ b/apex/key.go
@@ -34,8 +34,6 @@
 func registerApexKeyBuildComponents(ctx android.RegistrationContext) {
 	ctx.RegisterModuleType("apex_key", ApexKeyFactory)
 	ctx.RegisterSingletonType("apex_keys_text", apexKeysTextFactory)
-
-	android.RegisterBp2BuildMutator("apex_key", ApexKeyBp2Build)
 }
 
 type apexKey struct {
@@ -209,20 +207,9 @@
 	Private_key bazel.LabelAttribute
 }
 
-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)
+// ConvertWithBp2build performs conversion apexKey for bp2build
+func (m *apexKey) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	apexKeyBp2BuildInternal(ctx, m)
 }
 
 func apexKeyBp2BuildInternal(ctx android.TopDownMutatorContext, module *apexKey) {
diff --git a/bp2build/Android.bp b/bp2build/Android.bp
index 337fe86..ae0fb11 100644
--- a/bp2build/Android.bp
+++ b/bp2build/Android.bp
@@ -32,15 +32,17 @@
     ],
     testSrcs: [
         "android_app_certificate_conversion_test.go",
+        "android_app_conversion_test.go",
         "apex_conversion_test.go",
         "apex_key_conversion_test.go",
         "build_conversion_test.go",
         "bzl_conversion_test.go",
+        "cc_binary_conversion_test.go",
         "cc_genrule_conversion_test.go",
         "cc_library_conversion_test.go",
         "cc_library_headers_conversion_test.go",
-        "cc_library_static_conversion_test.go",
         "cc_library_shared_conversion_test.go",
+        "cc_library_static_conversion_test.go",
         "cc_object_conversion_test.go",
         "conversion_test.go",
         "filegroup_conversion_test.go",
@@ -50,6 +52,7 @@
         "python_binary_conversion_test.go",
         "python_library_conversion_test.go",
         "sh_conversion_test.go",
+        "soong_config_module_type_conversion_test.go",
         "testing.go",
     ],
     pluginFor: [
diff --git a/bp2build/android_app_certificate_conversion_test.go b/bp2build/android_app_certificate_conversion_test.go
index 6a53b00..035a352 100644
--- a/bp2build/android_app_certificate_conversion_test.go
+++ b/bp2build/android_app_certificate_conversion_test.go
@@ -31,11 +31,10 @@
 
 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{},
+		description:                "Android app certificate - simple example",
+		moduleTypeUnderTest:        "android_app_certificate",
+		moduleTypeUnderTestFactory: java.AndroidAppCertificateFactory,
+		filesystem:                 map[string]string{},
 		blueprint: `
 android_app_certificate {
         name: "com.android.apogee.cert",
diff --git a/bp2build/android_app_conversion_test.go b/bp2build/android_app_conversion_test.go
index b12b567..153817b 100644
--- a/bp2build/android_app_conversion_test.go
+++ b/bp2build/android_app_conversion_test.go
@@ -31,10 +31,9 @@
 
 func TestMinimalAndroidApp(t *testing.T) {
 	runAndroidAppTestCase(t, bp2buildTestCase{
-		description:                        "Android app - simple example",
-		moduleTypeUnderTest:                "android_app",
-		moduleTypeUnderTestFactory:         java.AndroidAppFactory,
-		moduleTypeUnderTestBp2BuildMutator: java.AppBp2Build,
+		description:                "Android app - simple example",
+		moduleTypeUnderTest:        "android_app",
+		moduleTypeUnderTestFactory: java.AndroidAppFactory,
 		filesystem: map[string]string{
 			"app.java":            "",
 			"res/res.png":         "",
@@ -58,10 +57,9 @@
 
 func TestAndroidAppAllSupportedFields(t *testing.T) {
 	runAndroidAppTestCase(t, bp2buildTestCase{
-		description:                        "Android app - all supported fields",
-		moduleTypeUnderTest:                "android_app",
-		moduleTypeUnderTestFactory:         java.AndroidAppFactory,
-		moduleTypeUnderTestBp2BuildMutator: java.AppBp2Build,
+		description:                "Android app - all supported fields",
+		moduleTypeUnderTest:        "android_app",
+		moduleTypeUnderTestFactory: java.AndroidAppFactory,
 		filesystem: map[string]string{
 			"app.java":                     "",
 			"resa/res.png":                 "",
diff --git a/bp2build/apex_conversion_test.go b/bp2build/apex_conversion_test.go
index 64440df..a3825e6 100644
--- a/bp2build/apex_conversion_test.go
+++ b/bp2build/apex_conversion_test.go
@@ -43,11 +43,10 @@
 
 func TestApexBundleSimple(t *testing.T) {
 	runApexTestCase(t, bp2buildTestCase{
-		description:                        "apex - example with all props",
-		moduleTypeUnderTest:                "apex",
-		moduleTypeUnderTestFactory:         apex.BundleFactory,
-		moduleTypeUnderTestBp2BuildMutator: apex.ApexBundleBp2Build,
-		filesystem:                         map[string]string{},
+		description:                "apex - example with all props",
+		moduleTypeUnderTest:        "apex",
+		moduleTypeUnderTestFactory: apex.BundleFactory,
+		filesystem:                 map[string]string{},
 		blueprint: `
 apex_key {
 	name: "com.android.apogee.key",
@@ -147,11 +146,10 @@
 
 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{},
+		description:                "apex - default property values",
+		moduleTypeUnderTest:        "apex",
+		moduleTypeUnderTestFactory: apex.BundleFactory,
+		filesystem:                 map[string]string{},
 		blueprint: `
 apex {
 	name: "com.android.apogee",
@@ -166,11 +164,10 @@
 
 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{},
+		description:                "apex - has bazel module props",
+		moduleTypeUnderTest:        "apex",
+		moduleTypeUnderTestFactory: apex.BundleFactory,
+		filesystem:                 map[string]string{},
 		blueprint: `
 apex {
 	name: "apogee",
diff --git a/bp2build/apex_key_conversion_test.go b/bp2build/apex_key_conversion_test.go
index 17f79a6..1d949901 100644
--- a/bp2build/apex_key_conversion_test.go
+++ b/bp2build/apex_key_conversion_test.go
@@ -31,11 +31,10 @@
 
 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{},
+		description:                "apex key - simple example",
+		moduleTypeUnderTest:        "apex_key",
+		moduleTypeUnderTestFactory: apex.ApexKeyFactory,
+		filesystem:                 map[string]string{},
 		blueprint: `
 apex_key {
         name: "com.android.apogee.key",
diff --git a/bp2build/build_conversion_test.go b/bp2build/build_conversion_test.go
index 95a26a9..1440b6f 100644
--- a/bp2build/build_conversion_test.go
+++ b/bp2build/build_conversion_test.go
@@ -245,7 +245,7 @@
 		{
 			description: "string props",
 			blueprint: `custom {
-	name: "foo",
+  name: "foo",
     string_list_prop: ["a", "b"],
     string_ptr_prop: "a",
     bazel_module: { bp2build_available: true },
@@ -470,7 +470,7 @@
 			android.FailIfErrored(t, err)
 
 			if actualCount, expectedCount := len(bazelTargets), len(testCase.expectedBazelTargets); actualCount != expectedCount {
-				t.Errorf("Expected %d bazel target, got %d", expectedCount, actualCount)
+				t.Errorf("Expected %d bazel target (%s),\ngot %d (%s)", expectedCount, testCase.expectedBazelTargets, actualCount, bazelTargets)
 			} else {
 				for i, expectedBazelTarget := range testCase.expectedBazelTargets {
 					actualBazelTarget := bazelTargets[i]
@@ -596,6 +596,7 @@
 		{
 			bp: `custom {
     name: "bar",
+    one_to_many_prop: true,
     bazel_module: { bp2build_available: true  },
 }`,
 			expectedBazelTarget: `my_library(
@@ -620,7 +621,6 @@
 		config := android.TestConfig(buildDir, nil, testCase.bp, nil)
 		ctx := android.NewTestContext(config)
 		ctx.RegisterModuleType("custom", customModuleFactory)
-		ctx.RegisterBp2BuildMutator("custom", customBp2BuildMutatorFromStarlark)
 		ctx.RegisterForBazelConversion()
 
 		_, errs := ctx.ParseFileList(dir, []string{"Android.bp"})
@@ -658,10 +658,9 @@
 func TestModuleTypeBp2Build(t *testing.T) {
 	testCases := []bp2buildTestCase{
 		{
-			description:                        "filegroup with does not specify srcs",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "filegroup with does not specify srcs",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			blueprint: `filegroup {
     name: "fg_foo",
     bazel_module: { bp2build_available: true },
@@ -671,10 +670,9 @@
 			},
 		},
 		{
-			description:                        "filegroup with no srcs",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "filegroup with no srcs",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			blueprint: `filegroup {
     name: "fg_foo",
     srcs: [],
@@ -685,10 +683,9 @@
 			},
 		},
 		{
-			description:                        "filegroup with srcs",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "filegroup with srcs",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			blueprint: `filegroup {
     name: "fg_foo",
     srcs: ["a", "b"],
@@ -704,10 +701,9 @@
 			},
 		},
 		{
-			description:                        "filegroup with excludes srcs",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "filegroup with excludes srcs",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			blueprint: `filegroup {
     name: "fg_foo",
     srcs: ["a", "b"],
@@ -721,10 +717,9 @@
 			},
 		},
 		{
-			description:                        "filegroup with glob",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "filegroup with glob",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			blueprint: `filegroup {
     name: "fg_foo",
     srcs: ["**/*.txt"],
@@ -747,12 +742,10 @@
 			},
 		},
 		{
-			description:                        "filegroup with glob in subdir",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
-			blueprint:                          ``,
-			dir:                                "other",
+			description:                "filegroup with glob in subdir",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
+			dir:                        "other",
 			filesystem: map[string]string{
 				"other/Android.bp": `filegroup {
     name: "fg_foo",
@@ -775,10 +768,9 @@
 			},
 		},
 		{
-			description:                        "depends_on_other_dir_module",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "depends_on_other_dir_module",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			blueprint: `filegroup {
     name: "fg_foo",
     srcs: [
@@ -804,26 +796,25 @@
 			},
 		},
 		{
-			description:                        "depends_on_other_unconverted_module_error",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
-			unconvertedDepsMode:                errorModulesUnconvertedDeps,
-			filesystem: map[string]string{
-				"other/Android.bp": `filegroup {
-    name: "foo",
-    srcs: ["a", "b"],
-}`,
-			},
+			description:                "depends_on_other_unconverted_module_error",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
+			unconvertedDepsMode:        errorModulesUnconvertedDeps,
 			blueprint: `filegroup {
-    name: "fg_foo",
+    name: "foobar",
     srcs: [
         ":foo",
         "c",
     ],
     bazel_module: { bp2build_available: true },
 }`,
-			expectedErr: fmt.Errorf(`"fg_foo" depends on unconverted modules: foo`),
+			expectedErr: fmt.Errorf(`"foobar" depends on unconverted modules: foo`),
+			filesystem: map[string]string{
+				"other/Android.bp": `filegroup {
+    name: "foo",
+    srcs: ["a", "b"],
+}`,
+			},
 		},
 	}
 
@@ -838,18 +829,16 @@
 
 func TestAllowlistingBp2buildTargetsExplicitly(t *testing.T) {
 	testCases := []struct {
-		moduleTypeUnderTest                string
-		moduleTypeUnderTestFactory         android.ModuleFactory
-		moduleTypeUnderTestBp2BuildMutator bp2buildMutator
-		bp                                 string
-		expectedCount                      int
-		description                        string
+		moduleTypeUnderTest        string
+		moduleTypeUnderTestFactory android.ModuleFactory
+		bp                         string
+		expectedCount              int
+		description                string
 	}{
 		{
-			description:                        "explicitly unavailable",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "explicitly unavailable",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			bp: `filegroup {
     name: "foo",
     srcs: ["a", "b"],
@@ -858,10 +847,9 @@
 			expectedCount: 0,
 		},
 		{
-			description:                        "implicitly unavailable",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "implicitly unavailable",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			bp: `filegroup {
     name: "foo",
     srcs: ["a", "b"],
@@ -869,10 +857,9 @@
 			expectedCount: 0,
 		},
 		{
-			description:                        "explicitly available",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "explicitly available",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			bp: `filegroup {
     name: "foo",
     srcs: ["a", "b"],
@@ -881,12 +868,12 @@
 			expectedCount: 1,
 		},
 		{
-			description:                        "generates more than 1 target if needed",
-			moduleTypeUnderTest:                "custom",
-			moduleTypeUnderTestFactory:         customModuleFactory,
-			moduleTypeUnderTestBp2BuildMutator: customBp2BuildMutatorFromStarlark,
+			description:                "generates more than 1 target if needed",
+			moduleTypeUnderTest:        "custom",
+			moduleTypeUnderTestFactory: customModuleFactory,
 			bp: `custom {
     name: "foo",
+    one_to_many_prop: true,
     bazel_module: { bp2build_available: true },
 }`,
 			expectedCount: 3,
@@ -899,7 +886,6 @@
 			config := android.TestConfig(buildDir, nil, testCase.bp, nil)
 			ctx := android.NewTestContext(config)
 			ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
-			ctx.RegisterBp2BuildMutator(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestBp2BuildMutator)
 			ctx.RegisterForBazelConversion()
 
 			_, errs := ctx.ParseFileList(dir, []string{"Android.bp"})
@@ -919,20 +905,18 @@
 
 func TestAllowlistingBp2buildTargetsWithConfig(t *testing.T) {
 	testCases := []struct {
-		moduleTypeUnderTest                string
-		moduleTypeUnderTestFactory         android.ModuleFactory
-		moduleTypeUnderTestBp2BuildMutator bp2buildMutator
-		expectedCount                      map[string]int
-		description                        string
-		bp2buildConfig                     android.Bp2BuildConfig
-		checkDir                           string
-		fs                                 map[string]string
+		moduleTypeUnderTest        string
+		moduleTypeUnderTestFactory android.ModuleFactory
+		expectedCount              map[string]int
+		description                string
+		bp2buildConfig             android.Bp2BuildConfig
+		checkDir                   string
+		fs                         map[string]string
 	}{
 		{
-			description:                        "test bp2build config package and subpackages config",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "test bp2build config package and subpackages config",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			expectedCount: map[string]int{
 				"migrated":                           1,
 				"migrated/but_not_really":            0,
@@ -954,10 +938,9 @@
 			},
 		},
 		{
-			description:                        "test bp2build config opt-in and opt-out",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "test bp2build config opt-in and opt-out",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			expectedCount: map[string]int{
 				"package-opt-in":             2,
 				"package-opt-in/subpackage":  0,
@@ -1008,7 +991,6 @@
 		config := android.TestConfig(buildDir, nil, "", fs)
 		ctx := android.NewTestContext(config)
 		ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
-		ctx.RegisterBp2BuildMutator(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestBp2BuildMutator)
 		ctx.RegisterBp2BuildConfig(testCase.bp2buildConfig)
 		ctx.RegisterForBazelConversion()
 
@@ -1039,10 +1021,9 @@
 func TestCombineBuildFilesBp2buildTargets(t *testing.T) {
 	testCases := []bp2buildTestCase{
 		{
-			description:                        "filegroup bazel_module.label",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "filegroup bazel_module.label",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			blueprint: `filegroup {
     name: "fg_foo",
     bazel_module: { label: "//other:fg_foo" },
@@ -1055,19 +1036,18 @@
 			},
 		},
 		{
-			description:                        "multiple bazel_module.label same BUILD",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "multiple bazel_module.label same BUILD",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			blueprint: `filegroup {
-		    name: "fg_foo",
-		    bazel_module: { label: "//other:fg_foo" },
-		}
+        name: "fg_foo",
+        bazel_module: { label: "//other:fg_foo" },
+    }
 
-		filegroup {
-		    name: "foo",
-		    bazel_module: { label: "//other:foo" },
-		}`,
+    filegroup {
+        name: "foo",
+        bazel_module: { label: "//other:foo" },
+    }`,
 			expectedBazelTargets: []string{
 				`// BUILD file`,
 			},
@@ -1076,25 +1056,24 @@
 			},
 		},
 		{
-			description:                        "filegroup bazel_module.label and bp2build in subdir",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
-			dir:                                "other",
-			blueprint:                          ``,
+			description:                "filegroup bazel_module.label and bp2build in subdir",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
+			dir:                        "other",
+			blueprint:                  ``,
 			filesystem: map[string]string{
 				"other/Android.bp": `filegroup {
-				name: "fg_foo",
-				bazel_module: {
-					bp2build_available: true,
-				},
-			}
-			filegroup {
-				name: "fg_bar",
-				bazel_module: {
-					label: "//other:fg_bar"
-				},
-			}`,
+        name: "fg_foo",
+        bazel_module: {
+          bp2build_available: true,
+        },
+      }
+      filegroup {
+        name: "fg_bar",
+        bazel_module: {
+          label: "//other:fg_bar"
+        },
+      }`,
 				"other/BUILD.bazel": `// definition for fg_bar`,
 			},
 			expectedBazelTargets: []string{
@@ -1103,26 +1082,26 @@
 			},
 		},
 		{
-			description:                        "filegroup bazel_module.label and filegroup bp2build",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "filegroup bazel_module.label and filegroup bp2build",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
+
 			filesystem: map[string]string{
 				"other/BUILD.bazel": `// BUILD file`,
 			},
 			blueprint: `filegroup {
-		    name: "fg_foo",
-		    bazel_module: {
-		      label: "//other:fg_foo",
-		    },
-		}
+        name: "fg_foo",
+        bazel_module: {
+          label: "//other:fg_foo",
+        },
+    }
 
-		filegroup {
-		    name: "fg_bar",
-		    bazel_module: {
-		      bp2build_available: true,
-		    },
-		}`,
+    filegroup {
+        name: "fg_bar",
+        bazel_module: {
+          bp2build_available: true,
+        },
+    }`,
 			expectedBazelTargets: []string{
 				makeBazelTarget("filegroup", "fg_bar", map[string]string{}),
 				`// BUILD file`,
@@ -1146,7 +1125,6 @@
 			config := android.TestConfig(buildDir, nil, testCase.blueprint, fs)
 			ctx := android.NewTestContext(config)
 			ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
-			ctx.RegisterBp2BuildMutator(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestBp2BuildMutator)
 			ctx.RegisterForBazelConversion()
 
 			_, errs := ctx.ParseFileList(dir, toParse)
@@ -1192,10 +1170,9 @@
 func TestGlobExcludeSrcs(t *testing.T) {
 	testCases := []bp2buildTestCase{
 		{
-			description:                        "filegroup top level exclude_srcs",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "filegroup top level exclude_srcs",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			blueprint: `filegroup {
     name: "fg_foo",
     srcs: ["**/*.txt"],
@@ -1222,12 +1199,11 @@
 			},
 		},
 		{
-			description:                        "filegroup in subdir exclude_srcs",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
-			blueprint:                          "",
-			dir:                                "dir",
+			description:                "filegroup in subdir exclude_srcs",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
+			blueprint:                  "",
+			dir:                        "dir",
 			filesystem: map[string]string{
 				"dir/Android.bp": `filegroup {
     name: "fg_foo",
@@ -1264,10 +1240,9 @@
 func TestCommonBp2BuildModuleAttrs(t *testing.T) {
 	testCases := []bp2buildTestCase{
 		{
-			description:                        "Required into data test",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "Required into data test",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			blueprint: simpleModuleDoNotConvertBp2build("filegroup", "reqd") + `
 filegroup {
     name: "fg_foo",
@@ -1281,21 +1256,20 @@
 			},
 		},
 		{
-			description:                        "Required via arch into data test",
-			moduleTypeUnderTest:                "python_library",
-			moduleTypeUnderTestFactory:         python.PythonLibraryFactory,
-			moduleTypeUnderTestBp2BuildMutator: python.PythonLibraryBp2Build,
+			description:                "Required via arch into data test",
+			moduleTypeUnderTest:        "python_library",
+			moduleTypeUnderTestFactory: python.PythonLibraryFactory,
 			blueprint: simpleModuleDoNotConvertBp2build("python_library", "reqdx86") +
 				simpleModuleDoNotConvertBp2build("python_library", "reqdarm") + `
 python_library {
     name: "fg_foo",
     arch: {
-			 arm: {
-				 required: ["reqdarm"],
-			 },
-			 x86: {
-				 required: ["reqdx86"],
-			 },
+       arm: {
+         required: ["reqdarm"],
+       },
+       x86: {
+         required: ["reqdx86"],
+       },
     },
     bazel_module: { bp2build_available: true },
 }`,
@@ -1311,10 +1285,9 @@
 			},
 		},
 		{
-			description:                        "Required appended to data test",
-			moduleTypeUnderTest:                "python_library",
-			moduleTypeUnderTestFactory:         python.PythonLibraryFactory,
-			moduleTypeUnderTestBp2BuildMutator: python.PythonLibraryBp2Build,
+			description:                "Required appended to data test",
+			moduleTypeUnderTest:        "python_library",
+			moduleTypeUnderTestFactory: python.PythonLibraryFactory,
 			filesystem: map[string]string{
 				"data.bin": "",
 				"src.py":   "",
@@ -1337,10 +1310,9 @@
 			},
 		},
 		{
-			description:                        "All props-to-attrs at once together test",
-			moduleTypeUnderTest:                "filegroup",
-			moduleTypeUnderTestFactory:         android.FileGroupFactory,
-			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			description:                "All props-to-attrs at once together test",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
 			blueprint: simpleModuleDoNotConvertBp2build("filegroup", "reqd") + `
 filegroup {
     name: "fg_foo",
diff --git a/bp2build/bzl_conversion_test.go b/bp2build/bzl_conversion_test.go
index 1e78c0e..f3345a6 100644
--- a/bp2build/bzl_conversion_test.go
+++ b/bp2build/bzl_conversion_test.go
@@ -100,6 +100,7 @@
         # nested_props_ptr start
 #         "nested_prop": attr.string(),
         # nested_props_ptr end
+        "one_to_many_prop": attr.bool(),
         "other_embedded_prop": attr.string(),
         "string_list_prop": attr.string_list(),
         "string_prop": attr.string(),
@@ -128,6 +129,7 @@
         # nested_props_ptr start
 #         "nested_prop": attr.string(),
         # nested_props_ptr end
+        "one_to_many_prop": attr.bool(),
         "other_embedded_prop": attr.string(),
         "string_list_prop": attr.string_list(),
         "string_prop": attr.string(),
@@ -156,6 +158,7 @@
         # nested_props_ptr start
 #         "nested_prop": attr.string(),
         # nested_props_ptr end
+        "one_to_many_prop": attr.bool(),
         "other_embedded_prop": attr.string(),
         "string_list_prop": attr.string_list(),
         "string_prop": attr.string(),
diff --git a/bp2build/cc_binary_conversion_test.go b/bp2build/cc_binary_conversion_test.go
index b46248f..a156480 100644
--- a/bp2build/cc_binary_conversion_test.go
+++ b/bp2build/cc_binary_conversion_test.go
@@ -68,14 +68,14 @@
 	t.Helper()
 	moduleTypeUnderTest := "cc_binary"
 	testCase := bp2buildTestCase{
-		expectedBazelTargets:               generateBazelTargetsForTest(tc.targets),
-		moduleTypeUnderTest:                moduleTypeUnderTest,
-		moduleTypeUnderTestFactory:         cc.BinaryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.BinaryBp2build,
-		description:                        fmt.Sprintf("%s %s", moduleTypeUnderTest, tc.description),
-		blueprint:                          binaryReplacer.Replace(tc.blueprint),
+		expectedBazelTargets:       generateBazelTargetsForTest(tc.targets),
+		moduleTypeUnderTest:        moduleTypeUnderTest,
+		moduleTypeUnderTestFactory: cc.BinaryFactory,
+		description:                fmt.Sprintf("%s %s", moduleTypeUnderTest, tc.description),
+		blueprint:                  binaryReplacer.Replace(tc.blueprint),
 	}
 	t.Run(testCase.description, func(t *testing.T) {
+		t.Helper()
 		runBp2BuildTestCase(t, registerCcBinaryModuleTypes, testCase)
 	})
 }
@@ -96,12 +96,11 @@
 	moduleTypeUnderTest := "cc_binary_host"
 	t.Run(testCase.description, func(t *testing.T) {
 		runBp2BuildTestCase(t, registerCcBinaryModuleTypes, bp2buildTestCase{
-			expectedBazelTargets:               generateBazelTargetsForTest(testCase.targets),
-			moduleTypeUnderTest:                moduleTypeUnderTest,
-			moduleTypeUnderTestFactory:         cc.BinaryHostFactory,
-			moduleTypeUnderTestBp2BuildMutator: cc.BinaryHostBp2build,
-			description:                        fmt.Sprintf("%s %s", moduleTypeUnderTest, tc.description),
-			blueprint:                          hostBinaryReplacer.Replace(testCase.blueprint),
+			expectedBazelTargets:       generateBazelTargetsForTest(testCase.targets),
+			moduleTypeUnderTest:        moduleTypeUnderTest,
+			moduleTypeUnderTestFactory: cc.BinaryHostFactory,
+			description:                fmt.Sprintf("%s %s", moduleTypeUnderTest, tc.description),
+			blueprint:                  hostBinaryReplacer.Replace(testCase.blueprint),
 		})
 	})
 }
@@ -258,11 +257,13 @@
 genrule {
     name: "generated_hdr",
     cmd: "nothing to see here",
+    bazel_module: { bp2build_available: false },
 }
 
 genrule {
     name: "export_generated_hdr",
     cmd: "nothing to see here",
+    bazel_module: { bp2build_available: false },
 }
 
 {rule_name} {
diff --git a/bp2build/cc_genrule_conversion_test.go b/bp2build/cc_genrule_conversion_test.go
index b3624dd..440b462 100644
--- a/bp2build/cc_genrule_conversion_test.go
+++ b/bp2build/cc_genrule_conversion_test.go
@@ -19,7 +19,6 @@
 
 	"android/soong/android"
 	"android/soong/cc"
-	"android/soong/genrule"
 )
 
 var otherCcGenruleBp = map[string]string{
@@ -41,7 +40,6 @@
 	t.Helper()
 	(&tc).moduleTypeUnderTest = "cc_genrule"
 	(&tc).moduleTypeUnderTestFactory = cc.GenRuleFactory
-	(&tc).moduleTypeUnderTestBp2BuildMutator = genrule.CcGenruleBp2Build
 	runBp2BuildTestCase(t, func(ctx android.RegistrationContext) {}, tc)
 }
 
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index dcbe326..b4eb28f 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -70,10 +70,9 @@
 
 func TestCcLibrarySimple(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library - simple example",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library - simple example",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		filesystem: map[string]string{
 			"android.cpp": "",
 			"bionic.cpp":  "",
@@ -159,10 +158,9 @@
 
 func TestCcLibraryTrimmedLdAndroid(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library - trimmed example of //bionic/linker:ld-android",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library - trimmed example of //bionic/linker:ld-android",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		filesystem: map[string]string{
 			"ld-android.cpp":           "",
 			"linked_list.h":            "",
@@ -170,8 +168,8 @@
 			"linker_block_allocator.h": "",
 			"linker_cfi.h":             "",
 		},
-		blueprint: soongCcLibraryPreamble + `
-cc_library_headers { name: "libc_headers" }
+		blueprint: soongCcLibraryPreamble +
+			simpleModuleDoNotConvertBp2build("cc_library_headers", "libc_headers") + `
 cc_library {
     name: "fake-ld-android",
     srcs: ["ld_android.cpp"],
@@ -228,11 +226,10 @@
 
 func TestCcLibraryExcludeSrcs(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library exclude_srcs - trimmed example of //external/arm-optimized-routines:libarm-optimized-routines-math",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		dir:                                "external",
+		description:                "cc_library exclude_srcs - trimmed example of //external/arm-optimized-routines:libarm-optimized-routines-math",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
+		dir:                        "external",
 		filesystem: map[string]string{
 			"external/math/cosf.c":      "",
 			"external/math/erf.c":       "",
@@ -280,10 +277,9 @@
 
 func TestCcLibrarySharedStaticProps(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library shared/static props",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library shared/static props",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		filesystem: map[string]string{
 			"both.cpp":       "",
 			"sharedonly.cpp": "",
@@ -409,10 +405,9 @@
 
 func TestCcLibraryDeps(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library shared/static props",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library shared/static props",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		filesystem: map[string]string{
 			"both.cpp":       "",
 			"sharedonly.cpp": "",
@@ -537,10 +532,9 @@
 
 func TestCcLibraryWholeStaticLibsAlwaysLink(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		dir:                                "foo/bar",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
+		dir:                        "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
 cc_library {
@@ -584,11 +578,10 @@
 
 func TestCcLibrarySharedStaticPropsInArch(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library shared/static props in arch",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		dir:                                "foo/bar",
+		description:                "cc_library shared/static props in arch",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
+		dir:                        "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/arm.cpp":        "",
 			"foo/bar/x86.cpp":        "",
@@ -735,11 +728,10 @@
 
 func TestCcLibrarySharedStaticPropsWithMixedSources(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library shared/static props with c/cpp/s mixed sources",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		dir:                                "foo/bar",
+		description:                "cc_library shared/static props with c/cpp/s mixed sources",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
+		dir:                        "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/both_source.cpp":   "",
 			"foo/bar/both_source.cc":    "",
@@ -868,11 +860,10 @@
 
 func TestCcLibraryNonConfiguredVersionScript(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library non-configured version script",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		dir:                                "foo/bar",
+		description:                "cc_library non-configured version script",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
+		dir:                        "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
 cc_library {
@@ -896,11 +887,10 @@
 
 func TestCcLibraryConfiguredVersionScript(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library configured version script",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		dir:                                "foo/bar",
+		description:                "cc_library configured version script",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
+		dir:                        "foo/bar",
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": `
 cc_library {
@@ -940,10 +930,9 @@
 
 func TestCcLibrarySharedLibs(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library shared_libs",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library shared_libs",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "mylib",
@@ -994,10 +983,9 @@
 	})...)
 
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library pack_relocations test",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library pack_relocations test",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "a",
@@ -1036,10 +1024,9 @@
 
 func TestCcLibrarySpacesInCopts(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library spaces in copts",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library spaces in copts",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "a",
@@ -1059,10 +1046,9 @@
 
 func TestCcLibraryCppFlagsGoesIntoCopts(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library cppflags usage",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library cppflags usage",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `cc_library {
     name: "a",
     srcs: ["a.cpp"],
@@ -1104,10 +1090,9 @@
 
 func TestCcLibraryExcludeLibs(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		filesystem:                         map[string]string{},
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
+		filesystem:                 map[string]string{},
 		blueprint: soongCcLibraryStaticPreamble + `
 cc_library {
     name: "foo_static",
@@ -1212,10 +1197,9 @@
 
 func TestCCLibraryNoCrtTrue(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library - nocrt: true emits attribute",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library - nocrt: true emits attribute",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		filesystem: map[string]string{
 			"impl.cpp": "",
 		},
@@ -1237,10 +1221,9 @@
 
 func TestCCLibraryNoCrtFalse(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library - nocrt: false - does not emit attribute",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library - nocrt: false - does not emit attribute",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		filesystem: map[string]string{
 			"impl.cpp": "",
 		},
@@ -1260,10 +1243,9 @@
 
 func TestCCLibraryNoCrtArchVariant(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library - nocrt in select",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library - nocrt in select",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		filesystem: map[string]string{
 			"impl.cpp": "",
 		},
@@ -1288,15 +1270,12 @@
 
 func TestCCLibraryNoLibCrtTrue(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library - simple example",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		filesystem: map[string]string{
 			"impl.cpp": "",
 		},
 		blueprint: soongCcLibraryPreamble + `
-cc_library_headers { name: "some-headers" }
 cc_library {
     name: "foo-lib",
     srcs: ["impl.cpp"],
@@ -1337,14 +1316,12 @@
 
 func TestCCLibraryNoLibCrtFalse(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		filesystem: map[string]string{
 			"impl.cpp": "",
 		},
 		blueprint: soongCcLibraryPreamble + `
-cc_library_headers { name: "some-headers" }
 cc_library {
     name: "foo-lib",
     srcs: ["impl.cpp"],
@@ -1361,9 +1338,8 @@
 
 func TestCCLibraryNoLibCrtArchVariant(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		filesystem: map[string]string{
 			"impl.cpp": "",
 		},
@@ -1423,10 +1399,9 @@
 	expectedTargets = append(expectedTargets, makeCcLibraryTargets("nothing", attrNameToString{})...)
 
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library strip args",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library strip args",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "nothing",
@@ -1474,10 +1449,9 @@
 
 func TestCcLibraryStripWithArch(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library strip args",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library strip args",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "multi-arch",
@@ -1528,10 +1502,9 @@
 
 func TestCcLibrary_SystemSharedLibsRootEmpty(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library system_shared_libs empty at root",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library system_shared_libs empty at root",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "root_empty",
@@ -1548,10 +1521,9 @@
 
 func TestCcLibrary_SystemSharedLibsStaticEmpty(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library system_shared_libs empty for static variant",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library system_shared_libs empty for static variant",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "static_empty",
@@ -1572,10 +1544,9 @@
 
 func TestCcLibrary_SystemSharedLibsSharedEmpty(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library system_shared_libs empty for shared variant",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library system_shared_libs empty for shared variant",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "shared_empty",
@@ -1596,10 +1567,9 @@
 
 func TestCcLibrary_SystemSharedLibsSharedBionicEmpty(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library system_shared_libs empty for shared, bionic variant",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library system_shared_libs empty for shared, bionic variant",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "shared_empty",
@@ -1628,10 +1598,9 @@
 	// only for linux_bionic, but `android` had `["libc", "libdl", "libm"].
 	// b/195791252 tracks the fix.
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library system_shared_libs empty for linux_bionic variant",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library system_shared_libs empty for linux_bionic variant",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "target_linux_bionic_empty",
@@ -1652,10 +1621,9 @@
 
 func TestCcLibrary_SystemSharedLibsBionicEmpty(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library system_shared_libs empty for bionic variant",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library system_shared_libs empty for bionic variant",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "target_bionic_empty",
@@ -1676,10 +1644,9 @@
 
 func TestCcLibrary_SystemSharedLibsSharedAndRoot(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library system_shared_libs set for shared and root",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		description:                "cc_library system_shared_libs set for shared and root",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcLibraryPreamble + `
 cc_library {
     name: "libc",
@@ -1715,13 +1682,11 @@
 
 func TestCcLibraryOsSelects(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		description:                        "cc_library - selects for all os targets",
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
-		filesystem:                         map[string]string{},
+		description:                "cc_library - selects for all os targets",
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
+		filesystem:                 map[string]string{},
 		blueprint: soongCcLibraryPreamble + `
-cc_library_headers { name: "some-headers" }
 cc_library {
     name: "foo-lib",
     srcs: ["base.cpp"],
@@ -1861,10 +1826,9 @@
 
 		runCcLibraryTestCase(t, bp2buildTestCase{
 			description: fmt.Sprintf(
-				"cc_library with c_std: %s, cpp_std: %s and gnu_extensions: %s", tc.c_std, tc.cpp_std, tc.gnu_extensions),
-			moduleTypeUnderTest:                "cc_library",
-			moduleTypeUnderTestFactory:         cc.LibraryFactory,
-			moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+				"cc_library with cpp_std: %s and gnu_extensions: %s", tc.cpp_std, tc.gnu_extensions),
+			moduleTypeUnderTest:        "cc_library",
+			moduleTypeUnderTestFactory: cc.LibraryFactory,
 			blueprint: soongCcLibraryPreamble + fmt.Sprintf(`
 cc_library {
 	name: "%s_full",
@@ -1879,10 +1843,9 @@
 
 		runCcLibraryStaticTestCase(t, bp2buildTestCase{
 			description: fmt.Sprintf(
-				"cc_library_static with c_std: %s, cpp_std: %s and gnu_extensions: %s", tc.c_std, tc.cpp_std, tc.gnu_extensions),
-			moduleTypeUnderTest:                "cc_library_static",
-			moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
-			moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
+				"cc_library_static with cpp_std: %s and gnu_extensions: %s", tc.cpp_std, tc.gnu_extensions),
+			moduleTypeUnderTest:        "cc_library_static",
+			moduleTypeUnderTestFactory: cc.LibraryStaticFactory,
 			blueprint: soongCcLibraryPreamble + fmt.Sprintf(`
 cc_library_static {
 	name: "%s_static",
@@ -1899,10 +1862,9 @@
 
 		runCcLibrarySharedTestCase(t, bp2buildTestCase{
 			description: fmt.Sprintf(
-				"cc_library_shared with c_std: %s, cpp_std: %s and gnu_extensions: %s", tc.c_std, tc.cpp_std, tc.gnu_extensions),
-			moduleTypeUnderTest:                "cc_library_shared",
-			moduleTypeUnderTestFactory:         cc.LibrarySharedFactory,
-			moduleTypeUnderTestBp2BuildMutator: cc.CcLibrarySharedBp2Build,
+				"cc_library_shared with cpp_std: %s and gnu_extensions: %s", tc.cpp_std, tc.gnu_extensions),
+			moduleTypeUnderTest:        "cc_library_shared",
+			moduleTypeUnderTestFactory: cc.LibrarySharedFactory,
 			blueprint: soongCcLibraryPreamble + fmt.Sprintf(`
 cc_library_shared {
 	name: "%s_shared",
@@ -1921,9 +1883,8 @@
 
 func TestCcLibraryProtoSimple(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcProtoPreamble + `cc_library {
 	name: "foo",
 	srcs: ["foo.proto"],
@@ -1947,9 +1908,8 @@
 
 func TestCcLibraryProtoNoCanonicalPathFromRoot(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcProtoPreamble + `cc_library {
 	name: "foo",
 	srcs: ["foo.proto"],
@@ -1973,9 +1933,8 @@
 
 func TestCcLibraryProtoExplicitCanonicalPathFromRoot(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcProtoPreamble + `cc_library {
 	name: "foo",
 	srcs: ["foo.proto"],
@@ -2000,9 +1959,8 @@
 
 func TestCcLibraryProtoFull(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcProtoPreamble + `cc_library {
 	name: "foo",
 	srcs: ["foo.proto"],
@@ -2029,9 +1987,8 @@
 
 func TestCcLibraryProtoLite(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcProtoPreamble + `cc_library {
 	name: "foo",
 	srcs: ["foo.proto"],
@@ -2058,9 +2015,8 @@
 
 func TestCcLibraryProtoExportHeaders(t *testing.T) {
 	runCcLibraryTestCase(t, bp2buildTestCase{
-		moduleTypeUnderTest:                "cc_library",
-		moduleTypeUnderTestFactory:         cc.LibraryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
+		moduleTypeUnderTest:        "cc_library",
+		moduleTypeUnderTestFactory: cc.LibraryFactory,
 		blueprint: soongCcProtoPreamble + `cc_library {
 	name: "foo",
 	srcs: ["foo.proto"],
diff --git a/bp2build/cc_library_headers_conversion_test.go b/bp2build/cc_library_headers_conversion_test.go
index 76fdab2..594c050 100644
--- a/bp2build/cc_library_headers_conversion_test.go
+++ b/bp2build/cc_library_headers_conversion_test.go
@@ -78,10 +78,9 @@
 
 func TestCcLibraryHeadersSimple(t *testing.T) {
 	runCcLibraryHeadersTestCase(t, bp2buildTestCase{
-		description:                        "cc_library_headers test",
-		moduleTypeUnderTest:                "cc_library_headers",
-		moduleTypeUnderTestFactory:         cc.LibraryHeaderFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
+		description:                "cc_library_headers test",
+		moduleTypeUnderTest:        "cc_library_headers",
+		moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
 		filesystem: map[string]string{
 			"lib-1/lib1a.h":                        "",
 			"lib-1/lib1b.h":                        "",
@@ -150,11 +149,10 @@
 
 func TestCcLibraryHeadersOsSpecificHeader(t *testing.T) {
 	runCcLibraryHeadersTestCase(t, bp2buildTestCase{
-		description:                        "cc_library_headers test with os-specific header_libs props",
-		moduleTypeUnderTest:                "cc_library_headers",
-		moduleTypeUnderTestFactory:         cc.LibraryHeaderFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
-		filesystem:                         map[string]string{},
+		description:                "cc_library_headers test with os-specific header_libs props",
+		moduleTypeUnderTest:        "cc_library_headers",
+		moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
+		filesystem:                 map[string]string{},
 		blueprint: soongCcLibraryPreamble + `
 cc_library_headers {
     name: "android-lib",
@@ -209,11 +207,10 @@
 
 func TestCcLibraryHeadersOsSpecficHeaderLibsExportHeaderLibHeaders(t *testing.T) {
 	runCcLibraryHeadersTestCase(t, bp2buildTestCase{
-		description:                        "cc_library_headers test with os-specific header_libs and export_header_lib_headers props",
-		moduleTypeUnderTest:                "cc_library_headers",
-		moduleTypeUnderTestFactory:         cc.LibraryHeaderFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
-		filesystem:                         map[string]string{},
+		description:                "cc_library_headers test with os-specific header_libs and export_header_lib_headers props",
+		moduleTypeUnderTest:        "cc_library_headers",
+		moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
+		filesystem:                 map[string]string{},
 		blueprint: soongCcLibraryPreamble + `
 cc_library_headers {
     name: "android-lib",
@@ -250,11 +247,10 @@
 
 func TestCcLibraryHeadersArchAndTargetExportSystemIncludes(t *testing.T) {
 	runCcLibraryHeadersTestCase(t, bp2buildTestCase{
-		description:                        "cc_library_headers test with arch-specific and target-specific export_system_include_dirs props",
-		moduleTypeUnderTest:                "cc_library_headers",
-		moduleTypeUnderTestFactory:         cc.LibraryHeaderFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
-		filesystem:                         map[string]string{},
+		description:                "cc_library_headers test with arch-specific and target-specific export_system_include_dirs props",
+		moduleTypeUnderTest:        "cc_library_headers",
+		moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
+		filesystem:                 map[string]string{},
 		blueprint: soongCcLibraryPreamble + `cc_library_headers {
     name: "foo_headers",
     export_system_include_dirs: [
@@ -310,10 +306,9 @@
 
 func TestCcLibraryHeadersNoCrtIgnored(t *testing.T) {
 	runCcLibraryHeadersTestCase(t, bp2buildTestCase{
-		description:                        "cc_library_headers test",
-		moduleTypeUnderTest:                "cc_library_headers",
-		moduleTypeUnderTestFactory:         cc.LibraryHeaderFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
+		description:                "cc_library_headers test",
+		moduleTypeUnderTest:        "cc_library_headers",
+		moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
 		filesystem: map[string]string{
 			"lib-1/lib1a.h":                        "",
 			"lib-1/lib1b.h":                        "",
diff --git a/bp2build/cc_library_shared_conversion_test.go b/bp2build/cc_library_shared_conversion_test.go
index 64f368e..97a600a 100644
--- a/bp2build/cc_library_shared_conversion_test.go
+++ b/bp2build/cc_library_shared_conversion_test.go
@@ -40,7 +40,6 @@
 	t.Helper()
 	(&tc).moduleTypeUnderTest = "cc_library_shared"
 	(&tc).moduleTypeUnderTestFactory = cc.LibrarySharedFactory
-	(&tc).moduleTypeUnderTestBp2BuildMutator = cc.CcLibrarySharedBp2Build
 	runBp2BuildTestCase(t, registerCcLibrarySharedModuleTypes, tc)
 }
 
diff --git a/bp2build/cc_library_static_conversion_test.go b/bp2build/cc_library_static_conversion_test.go
index fff0b4e..e2e55dd 100644
--- a/bp2build/cc_library_static_conversion_test.go
+++ b/bp2build/cc_library_static_conversion_test.go
@@ -82,7 +82,6 @@
 
 	(&tc).moduleTypeUnderTest = "cc_library_static"
 	(&tc).moduleTypeUnderTestFactory = cc.LibraryStaticFactory
-	(&tc).moduleTypeUnderTestBp2BuildMutator = cc.CcLibraryStaticBp2Build
 	runBp2BuildTestCase(t, registerCcLibraryStaticModuleTypes, tc)
 }
 
@@ -954,11 +953,13 @@
 genrule {
     name: "generated_hdr",
     cmd: "nothing to see here",
+    bazel_module: { bp2build_available: false },
 }
 
 genrule {
     name: "export_generated_hdr",
     cmd: "nothing to see here",
+    bazel_module: { bp2build_available: false },
 }
 
 cc_library_static {
@@ -998,48 +999,17 @@
 			"for-x86.cpp":            "",
 			"not-for-x86.cpp":        "",
 			"not-for-everything.cpp": "",
-			"dep/Android.bp": `
-genrule {
-  name: "generated_src_other_pkg",
-  cmd: "nothing to see here",
-}
-
-genrule {
-  name: "generated_hdr_other_pkg",
-  cmd: "nothing to see here",
-}
-
-genrule {
-  name: "generated_hdr_other_pkg_x86",
-  cmd: "nothing to see here",
-}
-
-genrule {
-  name: "generated_hdr_other_pkg_android",
-  cmd: "nothing to see here",
-}`,
+			"dep/Android.bp": simpleModuleDoNotConvertBp2build("genrule", "generated_src_other_pkg") +
+				simpleModuleDoNotConvertBp2build("genrule", "generated_hdr_other_pkg") +
+				simpleModuleDoNotConvertBp2build("genrule", "generated_src_other_pkg_x86") +
+				simpleModuleDoNotConvertBp2build("genrule", "generated_hdr_other_pkg_x86") +
+				simpleModuleDoNotConvertBp2build("genrule", "generated_hdr_other_pkg_android"),
 		},
-		blueprint: soongCcLibraryStaticPreamble + `
-genrule {
-    name: "generated_src",
-    cmd: "nothing to see here",
-}
-
-genrule {
-    name: "generated_src_not_x86",
-    cmd: "nothing to see here",
-}
-
-genrule {
-    name: "generated_src_android",
-    cmd: "nothing to see here",
-}
-
-genrule {
-    name: "generated_hdr",
-    cmd: "nothing to see here",
-}
-
+		blueprint: soongCcLibraryStaticPreamble +
+			simpleModuleDoNotConvertBp2build("genrule", "generated_src") +
+			simpleModuleDoNotConvertBp2build("genrule", "generated_src_not_x86") +
+			simpleModuleDoNotConvertBp2build("genrule", "generated_src_android") +
+			simpleModuleDoNotConvertBp2build("genrule", "generated_hdr") + `
 cc_library_static {
     name: "foo_static",
     srcs: ["common.cpp", "not-for-*.cpp"],
@@ -1373,9 +1343,8 @@
 func TestStaticLibrary_SystemSharedLibsBionic(t *testing.T) {
 	runCcLibraryStaticTestCase(t, bp2buildTestCase{
 		description: "cc_library_static system_shared_libs set for bionic variant",
-		blueprint: soongCcLibraryStaticPreamble + `
-cc_library{name: "libc"}
-
+		blueprint: soongCcLibraryStaticPreamble +
+			simpleModuleDoNotConvertBp2build("cc_library", "libc") + `
 cc_library_static {
     name: "target_bionic",
     target: {
@@ -1401,10 +1370,9 @@
 func TestStaticLibrary_SystemSharedLibsLinuxRootAndLinuxBionic(t *testing.T) {
 	runCcLibraryStaticTestCase(t, bp2buildTestCase{
 		description: "cc_library_static system_shared_libs set for root and linux_bionic variant",
-		blueprint: soongCcLibraryStaticPreamble + `
-cc_library{name: "libc"}
-cc_library{name: "libm"}
-
+		blueprint: soongCcLibraryStaticPreamble +
+			simpleModuleDoNotConvertBp2build("cc_library", "libc") +
+			simpleModuleDoNotConvertBp2build("cc_library", "libm") + `
 cc_library_static {
     name: "target_linux_bionic",
     system_shared_libs: ["libc"],
diff --git a/bp2build/cc_object_conversion_test.go b/bp2build/cc_object_conversion_test.go
index 5ab9129..0a6c317 100644
--- a/bp2build/cc_object_conversion_test.go
+++ b/bp2build/cc_object_conversion_test.go
@@ -30,7 +30,6 @@
 	t.Helper()
 	(&tc).moduleTypeUnderTest = "cc_object"
 	(&tc).moduleTypeUnderTestFactory = cc.ObjectFactory
-	(&tc).moduleTypeUnderTestBp2BuildMutator = cc.ObjectBp2Build
 	runBp2BuildTestCase(t, registerCcObjectModuleTypes, tc)
 }
 
diff --git a/bp2build/cc_prebuilt_library_shared_test.go b/bp2build/cc_prebuilt_library_shared_test.go
index bac3908..ef2fddc 100644
--- a/bp2build/cc_prebuilt_library_shared_test.go
+++ b/bp2build/cc_prebuilt_library_shared_test.go
@@ -9,10 +9,9 @@
 func TestSharedPrebuiltLibrary(t *testing.T) {
 	runBp2BuildTestCaseSimple(t,
 		bp2buildTestCase{
-			description:                        "prebuilt library shared simple",
-			moduleTypeUnderTest:                "cc_prebuilt_library_shared",
-			moduleTypeUnderTestFactory:         cc.PrebuiltSharedLibraryFactory,
-			moduleTypeUnderTestBp2BuildMutator: cc.PrebuiltLibrarySharedBp2Build,
+			description:                "prebuilt library shared simple",
+			moduleTypeUnderTest:        "cc_prebuilt_library_shared",
+			moduleTypeUnderTestFactory: cc.PrebuiltSharedLibraryFactory,
 			filesystem: map[string]string{
 				"libf.so": "",
 			},
@@ -33,10 +32,9 @@
 func TestSharedPrebuiltLibraryWithArchVariance(t *testing.T) {
 	runBp2BuildTestCaseSimple(t,
 		bp2buildTestCase{
-			description:                        "prebuilt library shared with arch variance",
-			moduleTypeUnderTest:                "cc_prebuilt_library_shared",
-			moduleTypeUnderTestFactory:         cc.PrebuiltSharedLibraryFactory,
-			moduleTypeUnderTestBp2BuildMutator: cc.PrebuiltLibrarySharedBp2Build,
+			description:                "prebuilt library shared with arch variance",
+			moduleTypeUnderTest:        "cc_prebuilt_library_shared",
+			moduleTypeUnderTestFactory: cc.PrebuiltSharedLibraryFactory,
 			filesystem: map[string]string{
 				"libf.so": "",
 				"libg.so": "",
diff --git a/bp2build/filegroup_conversion_test.go b/bp2build/filegroup_conversion_test.go
index 9f4add2..b43cf53 100644
--- a/bp2build/filegroup_conversion_test.go
+++ b/bp2build/filegroup_conversion_test.go
@@ -25,7 +25,6 @@
 	t.Helper()
 	(&tc).moduleTypeUnderTest = "filegroup"
 	(&tc).moduleTypeUnderTestFactory = android.FileGroupFactory
-	(&tc).moduleTypeUnderTestBp2BuildMutator = android.FilegroupBp2Build
 	runBp2BuildTestCase(t, registerFilegroupModuleTypes, tc)
 }
 
diff --git a/bp2build/genrule_conversion_test.go b/bp2build/genrule_conversion_test.go
index 5976666..fd631a5 100644
--- a/bp2build/genrule_conversion_test.go
+++ b/bp2build/genrule_conversion_test.go
@@ -28,7 +28,6 @@
 	t.Helper()
 	(&tc).moduleTypeUnderTest = "genrule"
 	(&tc).moduleTypeUnderTestFactory = genrule.GenRuleFactory
-	(&tc).moduleTypeUnderTestBp2BuildMutator = genrule.GenruleBp2Build
 	runBp2BuildTestCase(t, registerGenruleModuleTypes, tc)
 }
 
diff --git a/bp2build/java_binary_host_conversion_test.go b/bp2build/java_binary_host_conversion_test.go
new file mode 100644
index 0000000..96b8958
--- /dev/null
+++ b/bp2build/java_binary_host_conversion_test.go
@@ -0,0 +1,63 @@
+// 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 (
+	"testing"
+
+	"android/soong/android"
+	"android/soong/cc"
+	"android/soong/java"
+)
+
+func runJavaBinaryHostTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	(&tc).moduleTypeUnderTest = "java_binary_host"
+	(&tc).moduleTypeUnderTestFactory = java.BinaryHostFactory
+	runBp2BuildTestCase(t, func(ctx android.RegistrationContext) {
+		ctx.RegisterModuleType("cc_library_host_shared", cc.LibraryHostSharedFactory)
+	}, tc)
+}
+
+var fs = map[string]string{
+	"test.mf": "Main-Class: com.android.test.MainClass",
+	"other/Android.bp": `cc_library_host_shared {
+    name: "jni-lib-1",
+    stl: "none",
+}`,
+}
+
+func TestJavaBinaryHost(t *testing.T) {
+	runJavaBinaryHostTestCase(t, bp2buildTestCase{
+		description: "java_binary_host with srcs, exclude_srcs, jni_libs and manifest.",
+		filesystem:  fs,
+		blueprint: `java_binary_host {
+    name: "java-binary-host-1",
+    srcs: ["a.java", "b.java"],
+    exclude_srcs: ["b.java"],
+    manifest: "test.mf",
+    jni_libs: ["jni-lib-1"],
+    bazel_module: { bp2build_available: true },
+}`,
+		expectedBazelTargets: []string{
+			makeBazelTarget("java_binary", "java-binary-host-1", attrNameToString{
+				"srcs":       `["a.java"]`,
+				"main_class": `"com.android.test.MainClass"`,
+				"deps":       `["//other:jni-lib-1"]`,
+				"jvm_flags":  `["-Djava.library.path=$${RUNPATH}other"]`,
+			}),
+		},
+	})
+}
diff --git a/bp2build/java_library_conversion_test.go b/bp2build/java_library_conversion_test.go
new file mode 100644
index 0000000..5c65ec2
--- /dev/null
+++ b/bp2build/java_library_conversion_test.go
@@ -0,0 +1,57 @@
+// 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 (
+	"testing"
+
+	"android/soong/android"
+	"android/soong/java"
+)
+
+func runJavaLibraryTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	(&tc).moduleTypeUnderTest = "java_library"
+	(&tc).moduleTypeUnderTestFactory = java.LibraryFactory
+	runBp2BuildTestCase(t, func(ctx android.RegistrationContext) {}, tc)
+}
+
+func TestJavaLibrary(t *testing.T) {
+	runJavaLibraryTestCase(t, bp2buildTestCase{
+		description: "java_library with srcs, exclude_srcs and libs",
+		blueprint: `java_library {
+    name: "java-lib-1",
+    srcs: ["a.java", "b.java"],
+    exclude_srcs: ["b.java"],
+    libs: ["java-lib-2"],
+    bazel_module: { bp2build_available: true },
+}
+
+java_library {
+    name: "java-lib-2",
+    srcs: ["b.java"],
+    bazel_module: { bp2build_available: true },
+}`,
+		expectedBazelTargets: []string{
+			makeBazelTarget("java_library", "java-lib-1", attrNameToString{
+				"srcs": `["a.java"]`,
+				"deps": `[":java-lib-2"]`,
+			}),
+			makeBazelTarget("java_library", "java-lib-2", attrNameToString{
+				"srcs": `["b.java"]`,
+			}),
+		},
+	})
+}
diff --git a/bp2build/java_library_host_conversion_test.go b/bp2build/java_library_host_conversion_test.go
new file mode 100644
index 0000000..6ac82db
--- /dev/null
+++ b/bp2build/java_library_host_conversion_test.go
@@ -0,0 +1,57 @@
+// 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 (
+	"testing"
+
+	"android/soong/android"
+	"android/soong/java"
+)
+
+func runJavaLibraryHostTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	(&tc).moduleTypeUnderTest = "java_library_host"
+	(&tc).moduleTypeUnderTestFactory = java.LibraryHostFactory
+	runBp2BuildTestCase(t, func(ctx android.RegistrationContext) {}, tc)
+}
+
+func TestJavaLibraryHost(t *testing.T) {
+	runJavaLibraryHostTestCase(t, bp2buildTestCase{
+		description: "java_library_host with srcs, exclude_srcs and libs",
+		blueprint: `java_library_host {
+    name: "java-lib-host-1",
+    srcs: ["a.java", "b.java"],
+    exclude_srcs: ["b.java"],
+    libs: ["java-lib-host-2"],
+    bazel_module: { bp2build_available: true },
+}
+
+java_library_host {
+    name: "java-lib-host-2",
+    srcs: ["c.java"],
+    bazel_module: { bp2build_available: true },
+}`,
+		expectedBazelTargets: []string{
+			makeBazelTarget("java_library", "java-lib-host-1", attrNameToString{
+				"srcs": `["a.java"]`,
+				"deps": `[":java-lib-host-2"]`,
+			}),
+			makeBazelTarget("java_library", "java-lib-host-2", attrNameToString{
+				"srcs": `["c.java"]`,
+			}),
+		},
+	})
+}
diff --git a/bp2build/prebuilt_etc_conversion_test.go b/bp2build/prebuilt_etc_conversion_test.go
index 1189309..5065893 100644
--- a/bp2build/prebuilt_etc_conversion_test.go
+++ b/bp2build/prebuilt_etc_conversion_test.go
@@ -25,7 +25,6 @@
 	t.Helper()
 	(&tc).moduleTypeUnderTest = "prebuilt_etc"
 	(&tc).moduleTypeUnderTestFactory = etc.PrebuiltEtcFactory
-	(&tc).moduleTypeUnderTestBp2BuildMutator = etc.PrebuiltEtcBp2Build
 	runBp2BuildTestCase(t, registerPrebuiltEtcModuleTypes, tc)
 }
 
diff --git a/bp2build/python_binary_conversion_test.go b/bp2build/python_binary_conversion_test.go
index 01b6aa2..40c8ba1 100644
--- a/bp2build/python_binary_conversion_test.go
+++ b/bp2build/python_binary_conversion_test.go
@@ -17,10 +17,9 @@
 
 func TestPythonBinaryHostSimple(t *testing.T) {
 	runBp2BuildTestCaseWithPythonLibraries(t, bp2buildTestCase{
-		description:                        "simple python_binary_host converts to a native py_binary",
-		moduleTypeUnderTest:                "python_binary_host",
-		moduleTypeUnderTestFactory:         python.PythonBinaryHostFactory,
-		moduleTypeUnderTestBp2BuildMutator: python.PythonBinaryBp2Build,
+		description:                "simple python_binary_host converts to a native py_binary",
+		moduleTypeUnderTest:        "python_binary_host",
+		moduleTypeUnderTestFactory: python.PythonBinaryHostFactory,
 		filesystem: map[string]string{
 			"a.py":           "",
 			"b/c.py":         "",
@@ -40,7 +39,7 @@
     python_library_host {
       name: "bar",
       srcs: ["b/e.py"],
-      bazel_module: { bp2build_available: true },
+      bazel_module: { bp2build_available: false },
     }`,
 		expectedBazelTargets: []string{
 			makeBazelTarget("py_binary", "foo", attrNameToString{
@@ -59,10 +58,9 @@
 
 func TestPythonBinaryHostPy2(t *testing.T) {
 	runBp2BuildTestCaseSimple(t, bp2buildTestCase{
-		description:                        "py2 python_binary_host",
-		moduleTypeUnderTest:                "python_binary_host",
-		moduleTypeUnderTestFactory:         python.PythonBinaryHostFactory,
-		moduleTypeUnderTestBp2BuildMutator: python.PythonBinaryBp2Build,
+		description:                "py2 python_binary_host",
+		moduleTypeUnderTest:        "python_binary_host",
+		moduleTypeUnderTestFactory: python.PythonBinaryHostFactory,
 		blueprint: `python_binary_host {
     name: "foo",
     srcs: ["a.py"],
@@ -89,10 +87,9 @@
 
 func TestPythonBinaryHostPy3(t *testing.T) {
 	runBp2BuildTestCaseSimple(t, bp2buildTestCase{
-		description:                        "py3 python_binary_host",
-		moduleTypeUnderTest:                "python_binary_host",
-		moduleTypeUnderTestFactory:         python.PythonBinaryHostFactory,
-		moduleTypeUnderTestBp2BuildMutator: python.PythonBinaryBp2Build,
+		description:                "py3 python_binary_host",
+		moduleTypeUnderTest:        "python_binary_host",
+		moduleTypeUnderTestFactory: python.PythonBinaryHostFactory,
 		blueprint: `python_binary_host {
     name: "foo",
     srcs: ["a.py"],
@@ -119,10 +116,9 @@
 
 func TestPythonBinaryHostArchVariance(t *testing.T) {
 	runBp2BuildTestCaseSimple(t, bp2buildTestCase{
-		description:                        "test arch variants",
-		moduleTypeUnderTest:                "python_binary_host",
-		moduleTypeUnderTestFactory:         python.PythonBinaryHostFactory,
-		moduleTypeUnderTestBp2BuildMutator: python.PythonBinaryBp2Build,
+		description:                "test arch variants",
+		moduleTypeUnderTest:        "python_binary_host",
+		moduleTypeUnderTestFactory: python.PythonBinaryHostFactory,
 		filesystem: map[string]string{
 			"dir/arm.py": "",
 			"dir/x86.py": "",
diff --git a/bp2build/python_library_conversion_test.go b/bp2build/python_library_conversion_test.go
index e334592..6b26105 100644
--- a/bp2build/python_library_conversion_test.go
+++ b/bp2build/python_library_conversion_test.go
@@ -18,7 +18,6 @@
 	testCase.blueprint = fmt.Sprintf(testCase.blueprint, "python_library")
 	testCase.moduleTypeUnderTest = "python_library"
 	testCase.moduleTypeUnderTestFactory = python.PythonLibraryFactory
-	testCase.moduleTypeUnderTestBp2BuildMutator = python.PythonLibraryBp2Build
 	runBp2BuildTestCaseSimple(t, testCase)
 }
 
@@ -29,7 +28,6 @@
 	testCase.blueprint = fmt.Sprintf(testCase.blueprint, "python_library_host")
 	testCase.moduleTypeUnderTest = "python_library_host"
 	testCase.moduleTypeUnderTestFactory = python.PythonLibraryHostFactory
-	testCase.moduleTypeUnderTestBp2BuildMutator = python.PythonLibraryHostBp2Build
 	runBp2BuildTestCase(t, func(ctx android.RegistrationContext) {
 		ctx.RegisterModuleType("python_library", python.PythonLibraryFactory)
 	},
diff --git a/bp2build/sh_conversion_test.go b/bp2build/sh_conversion_test.go
index 0d87c8d..f6d2a20 100644
--- a/bp2build/sh_conversion_test.go
+++ b/bp2build/sh_conversion_test.go
@@ -55,10 +55,9 @@
 
 func TestShBinarySimple(t *testing.T) {
 	runShBinaryTestCase(t, bp2buildTestCase{
-		description:                        "sh_binary test",
-		moduleTypeUnderTest:                "sh_binary",
-		moduleTypeUnderTestFactory:         sh.ShBinaryFactory,
-		moduleTypeUnderTestBp2BuildMutator: sh.ShBinaryBp2Build,
+		description:                "sh_binary test",
+		moduleTypeUnderTest:        "sh_binary",
+		moduleTypeUnderTestFactory: sh.ShBinaryFactory,
 		blueprint: `sh_binary {
     name: "foo",
     src: "foo.sh",
diff --git a/bp2build/soong_config_module_type_conversion_test.go b/bp2build/soong_config_module_type_conversion_test.go
index d21db04..f1489aa 100644
--- a/bp2build/soong_config_module_type_conversion_test.go
+++ b/bp2build/soong_config_module_type_conversion_test.go
@@ -61,11 +61,10 @@
 `
 
 	runSoongConfigModuleTypeTest(t, bp2buildTestCase{
-		description:                        "soong config variables - soong_config_module_type is supported in bp2build",
-		moduleTypeUnderTest:                "cc_library_static",
-		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		blueprint:                          bp,
+		description:                "soong config variables - soong_config_module_type is supported in bp2build",
+		moduleTypeUnderTest:        "cc_library_static",
+		moduleTypeUnderTestFactory: cc.LibraryStaticFactory,
+		blueprint:                  bp,
 		expectedBazelTargets: []string{`cc_library_static(
     name = "foo",
     copts = select({
@@ -107,10 +106,9 @@
 `
 
 	runSoongConfigModuleTypeTest(t, bp2buildTestCase{
-		description:                        "soong config variables - soong_config_module_type_import is supported in bp2build",
-		moduleTypeUnderTest:                "cc_library_static",
-		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
+		description:                "soong config variables - soong_config_module_type_import is supported in bp2build",
+		moduleTypeUnderTest:        "cc_library_static",
+		moduleTypeUnderTestFactory: cc.LibraryStaticFactory,
 		filesystem: map[string]string{
 			"foo/bar/SoongConfig.bp": configBp,
 		},
@@ -161,11 +159,10 @@
 `
 
 	runSoongConfigModuleTypeTest(t, bp2buildTestCase{
-		description:                        "soong config variables - generates selects for string vars",
-		moduleTypeUnderTest:                "cc_library_static",
-		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		blueprint:                          bp,
+		description:                "soong config variables - generates selects for string vars",
+		moduleTypeUnderTest:        "cc_library_static",
+		moduleTypeUnderTestFactory: cc.LibraryStaticFactory,
+		blueprint:                  bp,
 		expectedBazelTargets: []string{`cc_library_static(
     name = "foo",
     copts = select({
@@ -232,11 +229,10 @@
 }`
 
 	runSoongConfigModuleTypeTest(t, bp2buildTestCase{
-		description:                        "soong config variables - generates selects for multiple variable types",
-		moduleTypeUnderTest:                "cc_library_static",
-		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		blueprint:                          bp,
+		description:                "soong config variables - generates selects for multiple variable types",
+		moduleTypeUnderTest:        "cc_library_static",
+		moduleTypeUnderTestFactory: cc.LibraryStaticFactory,
+		blueprint:                  bp,
 		expectedBazelTargets: []string{`cc_library_static(
     name = "foo",
     copts = select({
@@ -298,11 +294,10 @@
 `
 
 	runSoongConfigModuleTypeTest(t, bp2buildTestCase{
-		description:                        "soong config variables - generates selects for label list attributes",
-		moduleTypeUnderTest:                "cc_library_static",
-		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		blueprint:                          bp,
+		description:                "soong config variables - generates selects for label list attributes",
+		moduleTypeUnderTest:        "cc_library_static",
+		moduleTypeUnderTestFactory: cc.LibraryStaticFactory,
+		blueprint:                  bp,
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": otherDeps,
 		},
@@ -365,11 +360,10 @@
 `
 
 	runSoongConfigModuleTypeTest(t, bp2buildTestCase{
-		description:                        "soong config variables - defaults with a single namespace",
-		moduleTypeUnderTest:                "cc_library_static",
-		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		blueprint:                          bp,
+		description:                "soong config variables - defaults with a single namespace",
+		moduleTypeUnderTest:        "cc_library_static",
+		moduleTypeUnderTestFactory: cc.LibraryStaticFactory,
+		blueprint:                  bp,
 		expectedBazelTargets: []string{`cc_library_static(
     name = "lib",
     copts = select({
@@ -445,11 +439,10 @@
 `
 
 	runSoongConfigModuleTypeTest(t, bp2buildTestCase{
-		description:                        "soong config variables - multiple defaults with a single namespace",
-		moduleTypeUnderTest:                "cc_library_static",
-		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		blueprint:                          bp,
+		description:                "soong config variables - multiple defaults with a single namespace",
+		moduleTypeUnderTest:        "cc_library_static",
+		moduleTypeUnderTestFactory: cc.LibraryStaticFactory,
+		blueprint:                  bp,
 		expectedBazelTargets: []string{`cc_library_static(
     name = "lib",
     asflags = select({
@@ -561,11 +554,10 @@
 `
 
 	runSoongConfigModuleTypeTest(t, bp2buildTestCase{
-		description:                        "soong config variables - defaults with multiple namespaces",
-		moduleTypeUnderTest:                "cc_library_static",
-		moduleTypeUnderTestFactory:         cc.LibraryStaticFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryStaticBp2Build,
-		blueprint:                          bp,
+		description:                "soong config variables - defaults with multiple namespaces",
+		moduleTypeUnderTest:        "cc_library_static",
+		moduleTypeUnderTestFactory: cc.LibraryStaticFactory,
+		blueprint:                  bp,
 		expectedBazelTargets: []string{`cc_library_static(
     name = "lib",
     copts = select({
@@ -652,11 +644,10 @@
 `
 
 	runSoongConfigModuleTypeTest(t, bp2buildTestCase{
-		description:                        "soong config variables - generates selects for library_linking_strategy",
-		moduleTypeUnderTest:                "cc_binary",
-		moduleTypeUnderTestFactory:         cc.BinaryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.BinaryBp2build,
-		blueprint:                          bp,
+		description:                "soong config variables - generates selects for library_linking_strategy",
+		moduleTypeUnderTest:        "cc_binary",
+		moduleTypeUnderTestFactory: cc.BinaryFactory,
+		blueprint:                  bp,
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": otherDeps,
 		},
@@ -733,11 +724,10 @@
 `
 
 	runSoongConfigModuleTypeTest(t, bp2buildTestCase{
-		description:                        "soong config variables - generates selects for library_linking_strategy",
-		moduleTypeUnderTest:                "cc_binary",
-		moduleTypeUnderTestFactory:         cc.BinaryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.BinaryBp2build,
-		blueprint:                          bp,
+		description:                "soong config variables - generates selects for library_linking_strategy",
+		moduleTypeUnderTest:        "cc_binary",
+		moduleTypeUnderTestFactory: cc.BinaryFactory,
+		blueprint:                  bp,
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": otherDeps,
 		},
@@ -821,11 +811,10 @@
 `
 
 	runSoongConfigModuleTypeTest(t, bp2buildTestCase{
-		description:                        "soong config variables - generates selects for library_linking_strategy",
-		moduleTypeUnderTest:                "cc_binary",
-		moduleTypeUnderTestFactory:         cc.BinaryFactory,
-		moduleTypeUnderTestBp2BuildMutator: cc.BinaryBp2build,
-		blueprint:                          bp,
+		description:                "soong config variables - generates selects for library_linking_strategy",
+		moduleTypeUnderTest:        "cc_binary",
+		moduleTypeUnderTestFactory: cc.BinaryFactory,
+		blueprint:                  bp,
 		filesystem: map[string]string{
 			"foo/bar/Android.bp": otherDeps,
 		},
diff --git a/bp2build/testing.go b/bp2build/testing.go
index cd84519..15cf486 100644
--- a/bp2build/testing.go
+++ b/bp2build/testing.go
@@ -74,16 +74,15 @@
 }
 
 type bp2buildTestCase struct {
-	description                        string
-	moduleTypeUnderTest                string
-	moduleTypeUnderTestFactory         android.ModuleFactory
-	moduleTypeUnderTestBp2BuildMutator func(android.TopDownMutatorContext)
-	blueprint                          string
-	expectedBazelTargets               []string
-	filesystem                         map[string]string
-	dir                                string
-	expectedErr                        error
-	unconvertedDepsMode                unconvertedDepsMode
+	description                string
+	moduleTypeUnderTest        string
+	moduleTypeUnderTestFactory android.ModuleFactory
+	blueprint                  string
+	expectedBazelTargets       []string
+	filesystem                 map[string]string
+	dir                        string
+	expectedErr                error
+	unconvertedDepsMode        unconvertedDepsMode
 }
 
 func runBp2BuildTestCase(t *testing.T, registerModuleTypes func(ctx android.RegistrationContext), tc bp2buildTestCase) {
@@ -105,7 +104,6 @@
 	registerModuleTypes(ctx)
 	ctx.RegisterModuleType(tc.moduleTypeUnderTest, tc.moduleTypeUnderTestFactory)
 	ctx.RegisterBp2BuildConfig(bp2buildConfig)
-	ctx.RegisterBp2BuildMutator(tc.moduleTypeUnderTest, tc.moduleTypeUnderTestBp2BuildMutator)
 	ctx.RegisterForBazelConversion()
 
 	_, parseErrs := ctx.ParseFileList(dir, toParse)
@@ -178,6 +176,9 @@
 
 	Arch_paths         []string `android:"path,arch_variant"`
 	Arch_paths_exclude []string `android:"path,arch_variant"`
+
+	// Prop used to indicate this conversion should be 1 module -> multiple targets
+	One_to_many_prop *bool
 }
 
 type customModule struct {
@@ -277,71 +278,65 @@
 	Arch_paths       bazel.LabelListAttribute
 }
 
-func customBp2BuildMutator(ctx android.TopDownMutatorContext) {
-	if m, ok := ctx.Module().(*customModule); ok {
-		if !m.ConvertWithBp2build(ctx) {
-			return
-		}
+func (m *customModule) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	paths := bazel.LabelListAttribute{}
 
-		paths := bazel.LabelListAttribute{}
+	if p := m.props.One_to_many_prop; p != nil && *p {
+		customBp2buildOneToMany(ctx, m)
+		return
+	}
 
-		for axis, configToProps := range m.GetArchVariantProperties(ctx, &customProps{}) {
-			for config, props := range configToProps {
-				if archProps, ok := props.(*customProps); ok && archProps.Arch_paths != nil {
-					paths.SetSelectValue(axis, config, android.BazelLabelForModuleSrcExcludes(ctx, archProps.Arch_paths, archProps.Arch_paths_exclude))
-				}
+	for axis, configToProps := range m.GetArchVariantProperties(ctx, &customProps{}) {
+		for config, props := range configToProps {
+			if archProps, ok := props.(*customProps); ok && archProps.Arch_paths != nil {
+				paths.SetSelectValue(axis, config, android.BazelLabelForModuleSrcExcludes(ctx, archProps.Arch_paths, archProps.Arch_paths_exclude))
 			}
 		}
-
-		paths.ResolveExcludes()
-
-		attrs := &customBazelModuleAttributes{
-			String_ptr_prop:  m.props.String_ptr_prop,
-			String_list_prop: m.props.String_list_prop,
-			Arch_paths:       paths,
-		}
-		attrs.Embedded_attr = m.props.Embedded_prop
-		if m.props.OtherEmbeddedProps != nil {
-			attrs.OtherEmbeddedAttr = &OtherEmbeddedAttr{Other_embedded_attr: m.props.OtherEmbeddedProps.Other_embedded_prop}
-		}
-
-		props := bazel.BazelTargetModuleProperties{
-			Rule_class: "custom",
-		}
-
-		ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: m.Name()}, attrs)
 	}
+
+	paths.ResolveExcludes()
+
+	attrs := &customBazelModuleAttributes{
+		String_ptr_prop:  m.props.String_ptr_prop,
+		String_list_prop: m.props.String_list_prop,
+		Arch_paths:       paths,
+	}
+	attrs.Embedded_attr = m.props.Embedded_prop
+	if m.props.OtherEmbeddedProps != nil {
+		attrs.OtherEmbeddedAttr = &OtherEmbeddedAttr{Other_embedded_attr: m.props.OtherEmbeddedProps.Other_embedded_prop}
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class: "custom",
+	}
+
+	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: m.Name()}, attrs)
 }
 
 // A bp2build mutator that uses load statements and creates a 1:M mapping from
 // module to target.
-func customBp2BuildMutatorFromStarlark(ctx android.TopDownMutatorContext) {
-	if m, ok := ctx.Module().(*customModule); ok {
-		if !m.ConvertWithBp2build(ctx) {
-			return
-		}
+func customBp2buildOneToMany(ctx android.TopDownMutatorContext, m *customModule) {
 
-		baseName := m.Name()
-		attrs := &customBazelModuleAttributes{}
+	baseName := m.Name()
+	attrs := &customBazelModuleAttributes{}
 
-		myLibraryProps := bazel.BazelTargetModuleProperties{
-			Rule_class:        "my_library",
-			Bzl_load_location: "//build/bazel/rules:rules.bzl",
-		}
-		ctx.CreateBazelTargetModule(myLibraryProps, android.CommonAttributes{Name: baseName}, attrs)
-
-		protoLibraryProps := bazel.BazelTargetModuleProperties{
-			Rule_class:        "proto_library",
-			Bzl_load_location: "//build/bazel/rules:proto.bzl",
-		}
-		ctx.CreateBazelTargetModule(protoLibraryProps, android.CommonAttributes{Name: baseName + "_proto_library_deps"}, attrs)
-
-		myProtoLibraryProps := bazel.BazelTargetModuleProperties{
-			Rule_class:        "my_proto_library",
-			Bzl_load_location: "//build/bazel/rules:proto.bzl",
-		}
-		ctx.CreateBazelTargetModule(myProtoLibraryProps, android.CommonAttributes{Name: baseName + "_my_proto_library_deps"}, attrs)
+	myLibraryProps := bazel.BazelTargetModuleProperties{
+		Rule_class:        "my_library",
+		Bzl_load_location: "//build/bazel/rules:rules.bzl",
 	}
+	ctx.CreateBazelTargetModule(myLibraryProps, android.CommonAttributes{Name: baseName}, attrs)
+
+	protoLibraryProps := bazel.BazelTargetModuleProperties{
+		Rule_class:        "proto_library",
+		Bzl_load_location: "//build/bazel/rules:proto.bzl",
+	}
+	ctx.CreateBazelTargetModule(protoLibraryProps, android.CommonAttributes{Name: baseName + "_proto_library_deps"}, attrs)
+
+	myProtoLibraryProps := bazel.BazelTargetModuleProperties{
+		Rule_class:        "my_proto_library",
+		Bzl_load_location: "//build/bazel/rules:proto.bzl",
+	}
+	ctx.CreateBazelTargetModule(myProtoLibraryProps, android.CommonAttributes{Name: baseName + "_my_proto_library_deps"}, attrs)
 }
 
 // Helper method for tests to easily access the targets in a dir.
@@ -353,7 +348,6 @@
 
 func registerCustomModuleForBp2buildConversion(ctx *android.TestContext) {
 	ctx.RegisterModuleType("custom", customModuleFactory)
-	ctx.RegisterBp2BuildMutator("custom", customBp2BuildMutator)
 	ctx.RegisterForBazelConversion()
 }
 
diff --git a/cc/binary.go b/cc/binary.go
index e839122..50175d9 100644
--- a/cc/binary.go
+++ b/cc/binary.go
@@ -69,13 +69,14 @@
 
 // cc_binary produces a binary that is runnable on a device.
 func BinaryFactory() android.Module {
-	module, _ := NewBinary(android.HostAndDeviceSupported)
+	module, _ := newBinary(android.HostAndDeviceSupported, true)
 	return module.Init()
 }
 
 // cc_binary_host produces a binary that is runnable on a host.
 func BinaryHostFactory() android.Module {
-	module, _ := NewBinary(android.HostSupported)
+	module, _ := newBinary(android.HostSupported, true)
+	module.bazelable = true
 	return module.Init()
 }
 
@@ -193,6 +194,10 @@
 // Individual module implementations which comprise a C++ binary should call this function,
 // set some fields on the result, and then call the Init function.
 func NewBinary(hod android.HostOrDeviceSupported) (*Module, *binaryDecorator) {
+	return newBinary(hod, true)
+}
+
+func newBinary(hod android.HostOrDeviceSupported, bazelable bool) (*Module, *binaryDecorator) {
 	module := newModule(hod, android.MultilibFirst)
 	binary := &binaryDecorator{
 		baseLinker:    NewBaseLinker(module.sanitize),
@@ -201,6 +206,7 @@
 	module.compiler = NewBaseCompiler()
 	module.linker = binary
 	module.installer = binary
+	module.bazelable = bazelable
 
 	// Allow module to be added as member of an sdk/module_exports.
 	module.sdkMemberTypes = []android.SdkMemberType{
@@ -551,33 +557,7 @@
 	})
 }
 
-func init() {
-	android.RegisterBp2BuildMutator("cc_binary", BinaryBp2build)
-	android.RegisterBp2BuildMutator("cc_binary_host", BinaryHostBp2build)
-}
-
-func BinaryBp2build(ctx android.TopDownMutatorContext) {
-	binaryBp2build(ctx, "cc_binary")
-}
-
-func BinaryHostBp2build(ctx android.TopDownMutatorContext) {
-	binaryBp2build(ctx, "cc_binary_host")
-}
-
-func binaryBp2build(ctx android.TopDownMutatorContext, typ string) {
-	m, ok := ctx.Module().(*Module)
-	if !ok {
-		// Not a cc module
-		return
-	}
-	if !m.ConvertWithBp2build(ctx) {
-		return
-	}
-
-	if ctx.ModuleType() != typ {
-		return
-	}
-
+func binaryBp2build(ctx android.TopDownMutatorContext, m *Module, typ string) {
 	var compatibleWith bazel.StringListAttribute
 	if typ == "cc_binary_host" {
 		//incompatible with android OS
diff --git a/cc/cc.go b/cc/cc.go
index 39fdcb7..7211359 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -786,8 +786,9 @@
 	Properties       BaseProperties
 
 	// initialize before calling Init
-	hod      android.HostOrDeviceSupported
-	multilib android.Multilib
+	hod       android.HostOrDeviceSupported
+	multilib  android.Multilib
+	bazelable bool
 
 	// Allowable SdkMemberTypes of this module type.
 	sdkMemberTypes []android.SdkMemberType
@@ -1150,7 +1151,9 @@
 	}
 
 	android.InitAndroidArchModule(c, c.hod, c.multilib)
-	android.InitBazelModule(c)
+	if c.bazelable {
+		android.InitBazelModule(c)
+	}
 	android.InitApexModule(c)
 	android.InitSdkAwareModule(c)
 	android.InitDefaultableModule(c)
@@ -3185,6 +3188,24 @@
 	return false
 }
 
+func (c *Module) benchmarkBinary() bool {
+	if b, ok := c.linker.(interface {
+		benchmarkBinary() bool
+	}); ok {
+		return b.benchmarkBinary()
+	}
+	return false
+}
+
+func (c *Module) fuzzBinary() bool {
+	if f, ok := c.linker.(interface {
+		fuzzBinary() bool
+	}); ok {
+		return f.fuzzBinary()
+	}
+	return false
+}
+
 // Header returns true if the module is a header-only variant. (See cc/library.go header()).
 func (c *Module) Header() bool {
 	if h, ok := c.linker.(interface {
@@ -3430,6 +3451,37 @@
 
 var _ snapshot.RelativeInstallPath = (*Module)(nil)
 
+// ConvertWithBp2build converts Module to Bazel for bp2build.
+func (c *Module) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	if c.Binary() {
+		binaryBp2build(ctx, c, ctx.ModuleType())
+	} else if c.Object() {
+		objectBp2Build(ctx, c)
+	} else if c.CcLibrary() {
+		static := c.BuildStaticVariant()
+		shared := c.BuildSharedVariant()
+		prebuilt := c.IsPrebuilt()
+
+		if static && shared {
+			libraryBp2Build(ctx, c)
+		} else if !static && !shared {
+			libraryHeadersBp2Build(ctx, c)
+		} else if static {
+			if prebuilt {
+				prebuiltLibraryStaticBp2Build(ctx, c)
+			} else {
+				sharedOrStaticLibraryBp2Build(ctx, c, true)
+			}
+		} else if shared {
+			if prebuilt {
+				prebuiltLibrarySharedBp2Build(ctx, c)
+			} else {
+				sharedOrStaticLibraryBp2Build(ctx, c, false)
+			}
+		}
+	}
+}
+
 //
 // Defaults
 //
diff --git a/cc/fuzz.go b/cc/fuzz.go
index e987fe4..23d81d6 100644
--- a/cc/fuzz.go
+++ b/cc/fuzz.go
@@ -52,6 +52,10 @@
 	installedSharedDeps []string
 }
 
+func (fuzz *fuzzBinary) fuzzBinary() bool {
+	return true
+}
+
 func (fuzz *fuzzBinary) linkerProps() []interface{} {
 	props := fuzz.binaryDecorator.linkerProps()
 	props = append(props, &fuzz.fuzzPackagedModule.FuzzProperties)
@@ -234,7 +238,7 @@
 }
 
 func NewFuzz(hod android.HostOrDeviceSupported) *Module {
-	module, binary := NewBinary(hod)
+	module, binary := newBinary(hod, false)
 
 	binary.baseInstaller = NewFuzzInstaller()
 	module.sanitize.SetSanitizer(Fuzzer, true)
diff --git a/cc/library.go b/cc/library.go
index 15c4ec3..216c124 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -207,10 +207,6 @@
 
 func init() {
 	RegisterLibraryBuildComponents(android.InitRegistrationContext)
-
-	android.RegisterBp2BuildMutator("cc_library_static", CcLibraryStaticBp2Build)
-	android.RegisterBp2BuildMutator("cc_library_shared", CcLibrarySharedBp2Build)
-	android.RegisterBp2BuildMutator("cc_library", CcLibraryBp2Build)
 }
 
 func RegisterLibraryBuildComponents(ctx android.RegistrationContext) {
@@ -277,21 +273,12 @@
 	None                         bazel.BoolAttribute
 }
 
-func CcLibraryBp2Build(ctx android.TopDownMutatorContext) {
-	m, ok := ctx.Module().(*Module)
-	if !ok || !m.ConvertWithBp2build(ctx) {
-		return
-	}
-
-	if ctx.ModuleType() != "cc_library" {
-		return
-	}
-
+func libraryBp2Build(ctx android.TopDownMutatorContext, m *Module) {
 	// For some cc_library modules, their static variants are ready to be
 	// converted, but not their shared variants. For these modules, delegate to
 	// the cc_library_static bp2build converter temporarily instead.
 	if android.GenerateCcLibraryStaticOnly(ctx.Module().Name()) {
-		ccSharedOrStaticBp2BuildMutatorInternal(ctx, m, "cc_library_static")
+		sharedOrStaticLibraryBp2Build(ctx, m, true)
 		return
 	}
 
@@ -421,6 +408,7 @@
 		staticLibrarySdkMemberType,
 		staticAndSharedLibrarySdkMemberType,
 	}
+	module.bazelable = true
 	module.bazelHandler = &ccLibraryBazelHandler{module: module}
 	return module.Init()
 }
@@ -430,6 +418,7 @@
 	module, library := NewLibrary(android.HostAndDeviceSupported)
 	library.BuildOnlyStatic()
 	module.sdkMemberTypes = []android.SdkMemberType{staticLibrarySdkMemberType}
+	module.bazelable = true
 	module.bazelHandler = &ccLibraryBazelHandler{module: module}
 	return module.Init()
 }
@@ -439,6 +428,7 @@
 	module, library := NewLibrary(android.HostAndDeviceSupported)
 	library.BuildOnlyShared()
 	module.sdkMemberTypes = []android.SdkMemberType{sharedLibrarySdkMemberType}
+	module.bazelable = true
 	module.bazelHandler = &ccLibraryBazelHandler{module: module}
 	return module.Init()
 }
@@ -457,6 +447,8 @@
 	module, library := NewLibrary(android.HostSupported)
 	library.BuildOnlyShared()
 	module.sdkMemberTypes = []android.SdkMemberType{sharedLibrarySdkMemberType}
+	module.bazelable = true
+	module.bazelHandler = &ccLibraryBazelHandler{module: module}
 	return module.Init()
 }
 
@@ -2413,25 +2405,7 @@
 	return outputFile
 }
 
-func ccSharedOrStaticBp2BuildMutator(ctx android.TopDownMutatorContext, modType string) {
-	module, ok := ctx.Module().(*Module)
-	if !ok {
-		// Not a cc module
-		return
-	}
-	if !module.ConvertWithBp2build(ctx) {
-		return
-	}
-
-	ccSharedOrStaticBp2BuildMutatorInternal(ctx, module, modType)
-}
-
-func ccSharedOrStaticBp2BuildMutatorInternal(ctx android.TopDownMutatorContext, module *Module, modType string) {
-	if modType != "cc_library_static" && modType != "cc_library_shared" {
-		panic("ccSharedOrStaticBp2BuildMutatorInternal only supports cc_library_{static,shared}")
-	}
-	isStatic := modType == "cc_library_static"
-
+func sharedOrStaticLibraryBp2Build(ctx android.TopDownMutatorContext, module *Module, isStatic bool) {
 	baseAttributes := bp2BuildParseBaseProps(ctx, module)
 	compilerAttrs := baseAttributes.compilerAttributes
 	linkerAttrs := baseAttributes.linkerAttributes
@@ -2541,6 +2515,12 @@
 		}
 	}
 
+	var modType string
+	if isStatic {
+		modType = "cc_library_static"
+	} else {
+		modType = "cc_library_shared"
+	}
 	props := bazel.BazelTargetModuleProperties{
 		Rule_class:        modType,
 		Bzl_load_location: fmt.Sprintf("//build/bazel/rules:%s.bzl", modType),
@@ -2575,18 +2555,6 @@
 	Features bazel.StringListAttribute
 }
 
-func CcLibraryStaticBp2Build(ctx android.TopDownMutatorContext) {
-	isLibraryStatic := ctx.ModuleType() == "cc_library_static"
-	if b, ok := ctx.Module().(android.Bazelable); ok {
-		// This is created by a custom soong config module type, so its ctx.ModuleType() is not
-		// cc_library_static. Check its BaseModuleType.
-		isLibraryStatic = isLibraryStatic || b.BaseModuleType() == "cc_library_static"
-	}
-	if isLibraryStatic {
-		ccSharedOrStaticBp2BuildMutator(ctx, "cc_library_static")
-	}
-}
-
 // TODO(b/199902614): Can this be factored to share with the other Attributes?
 type bazelCcLibrarySharedAttributes struct {
 	staticOrSharedAttributes
@@ -2618,15 +2586,3 @@
 
 	Features bazel.StringListAttribute
 }
-
-func CcLibrarySharedBp2Build(ctx android.TopDownMutatorContext) {
-	isLibraryShared := ctx.ModuleType() == "cc_library_shared"
-	if b, ok := ctx.Module().(android.Bazelable); ok {
-		// This is created by a custom soong config module type, so its ctx.ModuleType() is not
-		// cc_library_shared. Check its BaseModuleType.
-		isLibraryShared = isLibraryShared || b.BaseModuleType() == "cc_library_shared"
-	}
-	if isLibraryShared {
-		ccSharedOrStaticBp2BuildMutator(ctx, "cc_library_shared")
-	}
-}
diff --git a/cc/library_headers.go b/cc/library_headers.go
index ce8c391..70e4715 100644
--- a/cc/library_headers.go
+++ b/cc/library_headers.go
@@ -25,7 +25,6 @@
 	// Register sdk member types.
 	android.RegisterSdkMemberType(headersLibrarySdkMemberType)
 
-	android.RegisterBp2BuildMutator("cc_library_headers", CcLibraryHeadersBp2Build)
 }
 
 var headersLibrarySdkMemberType = &librarySdkMemberType{
@@ -96,6 +95,7 @@
 	module, library := NewLibrary(android.HostAndDeviceSupported)
 	library.HeaderOnly()
 	module.sdkMemberTypes = []android.SdkMemberType{headersLibrarySdkMemberType}
+	module.bazelable = true
 	module.bazelHandler = &libraryHeaderBazelHander{module: module, library: library}
 	return module.Init()
 }
@@ -117,21 +117,7 @@
 	System_dynamic_deps      bazel.LabelListAttribute
 }
 
-func CcLibraryHeadersBp2Build(ctx android.TopDownMutatorContext) {
-	module, ok := ctx.Module().(*Module)
-	if !ok {
-		// Not a cc module
-		return
-	}
-
-	if !module.ConvertWithBp2build(ctx) {
-		return
-	}
-
-	if ctx.ModuleType() != "cc_library_headers" {
-		return
-	}
-
+func libraryHeadersBp2Build(ctx android.TopDownMutatorContext, module *Module) {
 	baseAttributes := bp2BuildParseBaseProps(ctx, module)
 	exportedIncludes := bp2BuildParseExportedIncludes(ctx, module, baseAttributes.includes)
 	linkerAttrs := baseAttributes.linkerAttributes
diff --git a/cc/object.go b/cc/object.go
index 0327a45..bd43e36 100644
--- a/cc/object.go
+++ b/cc/object.go
@@ -29,7 +29,6 @@
 	android.RegisterModuleType("cc_object", ObjectFactory)
 	android.RegisterSdkMemberType(ccObjectSdkMemberType)
 
-	android.RegisterBp2BuildMutator("cc_object", ObjectBp2Build)
 }
 
 var ccObjectSdkMemberType = &librarySdkMemberType{
@@ -117,6 +116,7 @@
 
 	module.sdkMemberTypes = []android.SdkMemberType{ccObjectSdkMemberType}
 
+	module.bazelable = true
 	return module.Init()
 }
 
@@ -135,19 +135,9 @@
 	Linker_script       bazel.LabelAttribute
 }
 
-// ObjectBp2Build is the bp2build converter from cc_object modules to the
+// objectBp2Build is the bp2build converter from cc_object modules to the
 // Bazel equivalent target, plus any necessary include deps for the cc_object.
-func ObjectBp2Build(ctx android.TopDownMutatorContext) {
-	m, ok := ctx.Module().(*Module)
-	if !ok || !m.ConvertWithBp2build(ctx) {
-		return
-	}
-
-	// a Module can be something other than a cc_object.
-	if ctx.ModuleType() != "cc_object" {
-		return
-	}
-
+func objectBp2Build(ctx android.TopDownMutatorContext, m *Module) {
 	if m.compiler == nil {
 		// a cc_object must have access to the compiler decorator for its props.
 		ctx.ModuleErrorf("compiler must not be nil for a cc_object module")
diff --git a/cc/prebuilt.go b/cc/prebuilt.go
index c303fda..4c3c7b4 100644
--- a/cc/prebuilt.go
+++ b/cc/prebuilt.go
@@ -32,8 +32,6 @@
 	ctx.RegisterModuleType("cc_prebuilt_test_library_shared", PrebuiltSharedTestLibraryFactory)
 	ctx.RegisterModuleType("cc_prebuilt_object", prebuiltObjectFactory)
 	ctx.RegisterModuleType("cc_prebuilt_binary", prebuiltBinaryFactory)
-
-	android.RegisterBp2BuildMutator("cc_prebuilt_library_shared", PrebuiltLibrarySharedBp2Build)
 }
 
 type prebuiltLinkerInterface interface {
@@ -299,6 +297,7 @@
 func NewPrebuiltSharedLibrary(hod android.HostOrDeviceSupported) (*Module, *libraryDecorator) {
 	module, library := NewPrebuiltLibrary(hod, "srcs")
 	library.BuildOnlyShared()
+	module.bazelable = true
 
 	// Prebuilt shared libraries can be included in APEXes
 	android.InitApexModule(module)
@@ -316,31 +315,41 @@
 func NewPrebuiltStaticLibrary(hod android.HostOrDeviceSupported) (*Module, *libraryDecorator) {
 	module, library := NewPrebuiltLibrary(hod, "srcs")
 	library.BuildOnlyStatic()
+	module.bazelable = true
 	module.bazelHandler = &prebuiltStaticLibraryBazelHandler{module: module, library: library}
 	return module, library
 }
 
+type bazelPrebuiltLibraryStaticAttributes struct {
+	Static_library         bazel.LabelAttribute
+	Export_includes        bazel.StringListAttribute
+	Export_system_includes bazel.StringListAttribute
+}
+
+func prebuiltLibraryStaticBp2Build(ctx android.TopDownMutatorContext, module *Module) {
+	prebuiltAttrs := Bp2BuildParsePrebuiltLibraryProps(ctx, module)
+	exportedIncludes := Bp2BuildParseExportedIncludesForPrebuiltLibrary(ctx, module)
+
+	attrs := &bazelPrebuiltLibraryStaticAttributes{
+		Static_library:         prebuiltAttrs.Src,
+		Export_includes:        exportedIncludes.Includes,
+		Export_system_includes: exportedIncludes.SystemIncludes,
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class:        "prebuilt_library_static",
+		Bzl_load_location: "//build/bazel/rules:prebuilt_library_static.bzl",
+	}
+
+	name := android.RemoveOptionalPrebuiltPrefix(module.Name())
+	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: name}, attrs)
+}
+
 type bazelPrebuiltLibrarySharedAttributes struct {
 	Shared_library bazel.LabelAttribute
 }
 
-func PrebuiltLibrarySharedBp2Build(ctx android.TopDownMutatorContext) {
-	module, ok := ctx.Module().(*Module)
-	if !ok {
-		// Not a cc module
-		return
-	}
-	if !module.ConvertWithBp2build(ctx) {
-		return
-	}
-	if ctx.ModuleType() != "cc_prebuilt_library_shared" {
-		return
-	}
-
-	prebuiltLibrarySharedBp2BuildInternal(ctx, module)
-}
-
-func prebuiltLibrarySharedBp2BuildInternal(ctx android.TopDownMutatorContext, module *Module) {
+func prebuiltLibrarySharedBp2Build(ctx android.TopDownMutatorContext, module *Module) {
 	prebuiltAttrs := Bp2BuildParsePrebuiltLibraryProps(ctx, module)
 
 	attrs := &bazelPrebuiltLibrarySharedAttributes{
diff --git a/cc/test.go b/cc/test.go
index 0ca96f7..d8b7833 100644
--- a/cc/test.go
+++ b/cc/test.go
@@ -461,7 +461,7 @@
 }
 
 func NewTest(hod android.HostOrDeviceSupported) *Module {
-	module, binary := NewBinary(hod)
+	module, binary := newBinary(hod, false)
 	module.multilib = android.MultilibBoth
 	binary.baseInstaller = NewTestInstaller()
 
@@ -551,6 +551,10 @@
 	testConfig android.Path
 }
 
+func (benchmark *benchmarkDecorator) benchmarkBinary() bool {
+	return true
+}
+
 func (benchmark *benchmarkDecorator) linkerInit(ctx BaseModuleContext) {
 	runpath := "../../lib"
 	if ctx.toolchain().Is64Bit() {
@@ -588,7 +592,7 @@
 }
 
 func NewBenchmark(hod android.HostOrDeviceSupported) *Module {
-	module, binary := NewBinary(hod)
+	module, binary := newBinary(hod, false)
 	module.multilib = android.MultilibBoth
 	binary.baseInstaller = NewBaseInstaller("benchmarktest", "benchmarktest64", InstallInData)
 
diff --git a/etc/prebuilt_etc.go b/etc/prebuilt_etc.go
index 2865ffa..80ab41b 100644
--- a/etc/prebuilt_etc.go
+++ b/etc/prebuilt_etc.go
@@ -63,7 +63,6 @@
 
 	ctx.RegisterModuleType("prebuilt_defaults", defaultsFactory)
 
-	android.RegisterBp2BuildMutator("prebuilt_etc", PrebuiltEtcBp2Build)
 }
 
 var PrepareForTestWithPrebuiltEtc = android.FixtureRegisterWithContext(RegisterPrebuiltEtcBuildComponents)
@@ -663,20 +662,14 @@
 	Installable bazel.BoolAttribute
 }
 
-func PrebuiltEtcBp2Build(ctx android.TopDownMutatorContext) {
-	module, ok := ctx.Module().(*PrebuiltEtc)
-	if !ok {
-		// Not an prebuilt_etc
-		return
-	}
-	if !module.ConvertWithBp2build(ctx) {
-		return
-	}
+// ConvertWithBp2build performs bp2build conversion of PrebuiltEtc
+func (p *PrebuiltEtc) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	// All prebuilt_* modules are PrebuiltEtc, but at this time, we only convert prebuilt_etc modules.
 	if ctx.ModuleType() != "prebuilt_etc" {
 		return
 	}
 
-	prebuiltEtcBp2BuildInternal(ctx, module)
+	prebuiltEtcBp2BuildInternal(ctx, p)
 }
 
 func prebuiltEtcBp2BuildInternal(ctx android.TopDownMutatorContext, module *PrebuiltEtc) {
diff --git a/genrule/genrule.go b/genrule/genrule.go
index e7343a2..6a91e01 100644
--- a/genrule/genrule.go
+++ b/genrule/genrule.go
@@ -67,13 +67,6 @@
 	ctx.FinalDepsMutators(func(ctx android.RegisterMutatorsContext) {
 		ctx.BottomUp("genrule_tool_deps", toolDepsMutator).Parallel()
 	})
-
-	android.RegisterBp2BuildMutator("genrule", GenruleBp2Build)
-	android.RegisterBp2BuildMutator("cc_genrule", CcGenruleBp2Build)
-}
-
-func RegisterGenruleBp2BuildDeps(ctx android.RegisterMutatorsContext) {
-	ctx.BottomUp("genrule_tool_deps", toolDepsMutator)
 }
 
 var (
@@ -833,38 +826,8 @@
 	Cmd   string
 }
 
-// CcGenruleBp2Build is for cc_genrule.
-func CcGenruleBp2Build(ctx android.TopDownMutatorContext) {
-	m, ok := ctx.Module().(*Module)
-	if !ok || !m.ConvertWithBp2build(ctx) {
-		return
-	}
-
-	if ctx.ModuleType() != "cc_genrule" {
-		// Not a cc_genrule.
-		return
-	}
-
-	genruleBp2Build(ctx)
-}
-
-// GenruleBp2Build is used for genrule.
-func GenruleBp2Build(ctx android.TopDownMutatorContext) {
-	m, ok := ctx.Module().(*Module)
-	if !ok || !m.ConvertWithBp2build(ctx) {
-		return
-	}
-
-	if ctx.ModuleType() != "genrule" {
-		// Not a regular genrule.
-		return
-	}
-
-	genruleBp2Build(ctx)
-}
-
-func genruleBp2Build(ctx android.TopDownMutatorContext) {
-	m, _ := ctx.Module().(*Module)
+// ConvertWithBp2build converts a Soong module -> Bazel target.
+func (m *Module) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
 	// Bazel only has the "tools" attribute.
 	tools_prop := android.BazelLabelForModuleDeps(ctx, m.properties.Tools)
 	tool_files_prop := android.BazelLabelForModuleSrc(ctx, m.properties.Tool_files)
diff --git a/java/app.go b/java/app.go
index b43e532..b753c0c 100755
--- a/java/app.go
+++ b/java/app.go
@@ -43,9 +43,6 @@
 	ctx.RegisterModuleType("android_app_certificate", AndroidAppCertificateFactory)
 	ctx.RegisterModuleType("override_android_app", OverrideAndroidAppModuleFactory)
 	ctx.RegisterModuleType("override_android_test", OverrideAndroidTestModuleFactory)
-
-	android.RegisterBp2BuildMutator("android_app_certificate", AndroidAppCertificateBp2Build)
-	android.RegisterBp2BuildMutator("android_app", AppBp2Build)
 }
 
 // AndroidManifest.xml merging
@@ -945,6 +942,7 @@
 	android.InitDefaultableModule(module)
 	android.InitOverridableModule(module, &module.appProperties.Overrides)
 	android.InitApexModule(module)
+	android.InitBazelModule(module)
 
 	return module
 }
@@ -1407,23 +1405,11 @@
 	Certificate string
 }
 
-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 (m *AndroidAppCertificate) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	androidAppCertificateBp2Build(ctx, m)
 }
 
-func androidAppCertificateBp2BuildInternal(ctx android.TopDownMutatorContext, module *AndroidAppCertificate) {
+func androidAppCertificateBp2Build(ctx android.TopDownMutatorContext, module *AndroidAppCertificate) {
 	var certificate string
 	if module.properties.Certificate != nil {
 		certificate = *module.properties.Certificate
@@ -1448,16 +1434,8 @@
 	Resource_files bazel.LabelListAttribute
 }
 
-// AppBp2Build is used for android_app.
-func AppBp2Build(ctx android.TopDownMutatorContext) {
-	a, ok := ctx.Module().(*AndroidApp)
-	if !ok || !a.ConvertWithBp2build(ctx) {
-		return
-	}
-	if ctx.ModuleType() != "android_app" {
-		return
-	}
-
+// ConvertWithBp2build is used to convert android_app to Bazel.
+func (a *AndroidApp) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
 	//TODO(b/209577426): Support multiple arch variants
 	srcs := bazel.MakeLabelListAttribute(android.BazelLabelForModuleSrcExcludes(ctx, a.properties.Srcs, a.properties.Exclude_srcs))
 
diff --git a/java/base.go b/java/base.go
index c0da215..c45ef64 100644
--- a/java/base.go
+++ b/java/base.go
@@ -372,6 +372,7 @@
 	android.DefaultableModuleBase
 	android.ApexModuleBase
 	android.SdkBase
+	android.BazelModuleBase
 
 	// Functionality common to Module and Import.
 	embeddableInModuleAndImport
@@ -1952,3 +1953,17 @@
 }
 
 var _ ModuleWithStem = (*Module)(nil)
+
+func (j *Module) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	switch ctx.ModuleType() {
+	case "java_library", "java_library_host":
+		if lib, ok := ctx.Module().(*Library); ok {
+			javaLibraryBp2Build(ctx, lib)
+		}
+	case "java_binary_host":
+		if binary, ok := ctx.Module().(*Binary); ok {
+			javaBinaryHostBp2Build(ctx, binary)
+		}
+	}
+
+}
diff --git a/java/java.go b/java/java.go
index e7b1f4f..f77c694 100644
--- a/java/java.go
+++ b/java/java.go
@@ -21,7 +21,9 @@
 import (
 	"fmt"
 	"path/filepath"
+	"strings"
 
+	"android/soong/bazel"
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
 
@@ -756,6 +758,7 @@
 
 	android.InitApexModule(module)
 	android.InitSdkAwareModule(module)
+	android.InitBazelModule(module)
 	InitJavaModule(module, android.HostAndDeviceSupported)
 	return module
 }
@@ -778,6 +781,7 @@
 
 	android.InitApexModule(module)
 	android.InitSdkAwareModule(module)
+	android.InitBazelModule(module)
 	InitJavaModule(module, android.HostSupported)
 	return module
 }
@@ -1228,6 +1232,8 @@
 
 	android.InitAndroidArchModule(module, android.HostAndDeviceSupported, android.MultilibCommonFirst)
 	android.InitDefaultableModule(module)
+	android.InitBazelModule(module)
+
 	return module
 }
 
@@ -1245,6 +1251,7 @@
 
 	android.InitAndroidArchModule(module, android.HostSupported, android.MultilibCommonFirst)
 	android.InitDefaultableModule(module)
+	android.InitBazelModule(module)
 	return module
 }
 
@@ -1961,3 +1968,103 @@
 		clcMap.AddContextMap(dep.ClassLoaderContexts(), depName)
 	}
 }
+
+type javaLibraryAttributes struct {
+	Srcs      bazel.LabelListAttribute
+	Deps      bazel.LabelListAttribute
+	Javacopts bazel.StringListAttribute
+}
+
+func javaLibraryBp2Build(ctx android.TopDownMutatorContext, m *Library) {
+	srcs := bazel.MakeLabelListAttribute(android.BazelLabelForModuleSrcExcludes(ctx, m.properties.Srcs, m.properties.Exclude_srcs))
+	attrs := &javaLibraryAttributes{
+		Srcs: srcs,
+	}
+
+	if m.properties.Javacflags != nil {
+		attrs.Javacopts = bazel.MakeStringListAttribute(m.properties.Javacflags)
+	}
+
+	if m.properties.Libs != nil {
+		attrs.Deps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDeps(ctx, m.properties.Libs))
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class:        "java_library",
+		Bzl_load_location: "//build/bazel/rules/java:library.bzl",
+	}
+
+	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: m.Name()}, attrs)
+}
+
+type javaBinaryHostAttributes struct {
+	Srcs       bazel.LabelListAttribute
+	Deps       bazel.LabelListAttribute
+	Main_class string
+	Jvm_flags  bazel.StringListAttribute
+}
+
+// JavaBinaryHostBp2Build is for java_binary_host bp2build.
+func javaBinaryHostBp2Build(ctx android.TopDownMutatorContext, m *Binary) {
+	mainClass := ""
+	if m.binaryProperties.Main_class != nil {
+		mainClass = *m.binaryProperties.Main_class
+	}
+	if m.properties.Manifest != nil {
+		mainClassInManifest, err := android.GetMainClassInManifest(ctx.Config(), android.PathForModuleSrc(ctx, *m.properties.Manifest).String())
+		if err != nil {
+			return
+		}
+		mainClass = mainClassInManifest
+	}
+	srcs := bazel.MakeLabelListAttribute(android.BazelLabelForModuleSrcExcludes(ctx, m.properties.Srcs, m.properties.Exclude_srcs))
+	attrs := &javaBinaryHostAttributes{
+		Srcs:       srcs,
+		Main_class: mainClass,
+	}
+
+	// Attribute deps
+	deps := []string{}
+	if m.properties.Static_libs != nil {
+		deps = append(deps, m.properties.Static_libs...)
+	}
+	if m.binaryProperties.Jni_libs != nil {
+		deps = append(deps, m.binaryProperties.Jni_libs...)
+	}
+	if len(deps) > 0 {
+		attrs.Deps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDeps(ctx, deps))
+	}
+
+	// Attribute jvm_flags
+	if m.binaryProperties.Jni_libs != nil {
+		jniLibPackages := map[string]bool{}
+		for _, jniLibLabel := range android.BazelLabelForModuleDeps(ctx, m.binaryProperties.Jni_libs).Includes {
+			jniLibPackage := jniLibLabel.Label
+			indexOfColon := strings.Index(jniLibLabel.Label, ":")
+			if indexOfColon > 0 {
+				// JNI lib from other package
+				jniLibPackage = jniLibLabel.Label[2:indexOfColon]
+			} else if indexOfColon == 0 {
+				// JNI lib in the same package of java_binary
+				packageOfCurrentModule := m.GetBazelLabel(ctx, m)
+				jniLibPackage = packageOfCurrentModule[2:strings.Index(packageOfCurrentModule, ":")]
+			}
+			if _, inMap := jniLibPackages[jniLibPackage]; !inMap {
+				jniLibPackages[jniLibPackage] = true
+			}
+		}
+		jniLibPaths := []string{}
+		for jniLibPackage, _ := range jniLibPackages {
+			// See cs/f:.*/third_party/bazel/.*java_stub_template.txt for the use of RUNPATH
+			jniLibPaths = append(jniLibPaths, "$${RUNPATH}"+jniLibPackage)
+		}
+		attrs.Jvm_flags = bazel.MakeStringListAttribute([]string{"-Djava.library.path=" + strings.Join(jniLibPaths, ":")})
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class: "java_binary",
+	}
+
+	// Create the BazelTargetModule.
+	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: m.Name()}, attrs)
+}
diff --git a/python/binary.go b/python/binary.go
index af02de6..99c6259 100644
--- a/python/binary.go
+++ b/python/binary.go
@@ -27,7 +27,6 @@
 
 func init() {
 	registerPythonBinaryComponents(android.InitRegistrationContext)
-	android.RegisterBp2BuildMutator("python_binary_host", PythonBinaryBp2Build)
 }
 
 func registerPythonBinaryComponents(ctx android.RegistrationContext) {
@@ -41,17 +40,7 @@
 	Python_version *string
 }
 
-func PythonBinaryBp2Build(ctx android.TopDownMutatorContext) {
-	m, ok := ctx.Module().(*Module)
-	if !ok || !m.ConvertWithBp2build(ctx) {
-		return
-	}
-
-	// a Module can be something other than a python_binary_host
-	if ctx.ModuleType() != "python_binary_host" {
-		return
-	}
-
+func pythonBinaryBp2Build(ctx android.TopDownMutatorContext, m *Module) {
 	var main *string
 	for _, propIntf := range m.GetProperties() {
 		if props, ok := propIntf.(*BinaryProperties); ok {
diff --git a/python/library.go b/python/library.go
index 9c92ebd..d026c13 100644
--- a/python/library.go
+++ b/python/library.go
@@ -17,8 +17,6 @@
 // This file contains the module types for building Python library.
 
 import (
-	"fmt"
-
 	"android/soong/android"
 	"android/soong/bazel"
 
@@ -27,8 +25,6 @@
 
 func init() {
 	registerPythonLibraryComponents(android.InitRegistrationContext)
-	android.RegisterBp2BuildMutator("python_library_host", PythonLibraryHostBp2Build)
-	android.RegisterBp2BuildMutator("python_library", PythonLibraryBp2Build)
 }
 
 func registerPythonLibraryComponents(ctx android.RegistrationContext) {
@@ -50,25 +46,7 @@
 	Srcs_version *string
 }
 
-func PythonLibraryHostBp2Build(ctx android.TopDownMutatorContext) {
-	pythonLibBp2Build(ctx, "python_library_host")
-}
-
-func PythonLibraryBp2Build(ctx android.TopDownMutatorContext) {
-	pythonLibBp2Build(ctx, "python_library")
-}
-
-func pythonLibBp2Build(ctx android.TopDownMutatorContext, modType string) {
-	m, ok := ctx.Module().(*Module)
-	if !ok || !m.ConvertWithBp2build(ctx) {
-		return
-	}
-
-	// a Module can be something other than a `modType`
-	if ctx.ModuleType() != modType {
-		return
-	}
-
+func pythonLibBp2Build(ctx android.TopDownMutatorContext, m *Module) {
 	// TODO(b/182306917): this doesn't fully handle all nested props versioned
 	// by the python version, which would have been handled by the version split
 	// mutator. This is sufficient for very simple python_library modules under
@@ -81,9 +59,7 @@
 	} else if !py2Enabled && py3Enabled {
 		python_version = &pyVersion3
 	} else if !py2Enabled && !py3Enabled {
-		panic(fmt.Errorf(
-			"error for '%s' module: bp2build's %s converter doesn't understand having "+
-				"neither py2 nor py3 enabled", m.Name(), modType))
+		ctx.ModuleErrorf("bp2build converter doesn't understand having neither py2 nor py3 enabled")
 	} else {
 		// do nothing, since python_version defaults to PY2ANDPY3
 	}
diff --git a/python/python.go b/python/python.go
index 401d91f..734ac57 100644
--- a/python/python.go
+++ b/python/python.go
@@ -23,6 +23,7 @@
 	"strings"
 
 	"android/soong/bazel"
+
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
 
@@ -667,18 +668,25 @@
 }
 
 // isPythonLibModule returns whether the given module is a Python library Module or not
-// This is distinguished by the fact that Python libraries are not installable, while other Python
-// modules are.
 func isPythonLibModule(module blueprint.Module) bool {
 	if m, ok := module.(*Module); ok {
-		// Python library has no bootstrapper or installer
-		if m.bootstrapper == nil && m.installer == nil {
-			return true
-		}
+		return m.isLibrary()
 	}
 	return false
 }
 
+// This is distinguished by the fact that Python libraries are not installable, while other Python
+// modules are.
+func (p *Module) isLibrary() bool {
+	// Python library has no bootstrapper or installer
+	return p.bootstrapper == nil && p.installer == nil
+}
+
+func (p *Module) isBinary() bool {
+	_, ok := p.bootstrapper.(*binaryDecorator)
+	return ok
+}
+
 // collectPathsFromTransitiveDeps checks for source/data files for duplicate paths
 // for module and its transitive dependencies and collects list of data/source file
 // zips for transitive dependencies.
@@ -752,6 +760,14 @@
 	return true
 }
 
+func (p *Module) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	if p.isLibrary() {
+		pythonLibBp2Build(ctx, p)
+	} else if p.isBinary() {
+		pythonBinaryBp2Build(ctx, p)
+	}
+}
+
 var Bool = proptools.Bool
 var BoolDefault = proptools.BoolDefault
 var String = proptools.String
diff --git a/scripts/gen_java_usedby_apex.sh b/scripts/gen_java_usedby_apex.sh
index 0cadb1a..e398541 100755
--- a/scripts/gen_java_usedby_apex.sh
+++ b/scripts/gen_java_usedby_apex.sh
@@ -32,7 +32,7 @@
   touch "$out"
   echo "<externals>" >> "$out"
   for x in "$@"; do
-    "$dexdeps" "$x" >> "$out" || true
+    "$dexdeps" "$x" >> "$out" || echo "</external>" >> "$out"
   done
   echo "</externals>" >> "$out"
 }
diff --git a/sh/sh_binary.go b/sh/sh_binary.go
index a87b9cf..2d98e8b 100644
--- a/sh/sh_binary.go
+++ b/sh/sh_binary.go
@@ -42,8 +42,6 @@
 	pctx.Import("android/soong/android")
 
 	registerShBuildComponents(android.InitRegistrationContext)
-
-	android.RegisterBp2BuildMutator("sh_binary", ShBinaryBp2Build)
 }
 
 func registerShBuildComponents(ctx android.RegistrationContext) {
@@ -540,12 +538,7 @@
 	// visibility
 }
 
-func ShBinaryBp2Build(ctx android.TopDownMutatorContext) {
-	m, ok := ctx.Module().(*ShBinary)
-	if !ok || !m.ConvertWithBp2build(ctx) {
-		return
-	}
-
+func (m *ShBinary) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
 	srcs := bazel.MakeLabelListAttribute(
 		android.BazelLabelForModuleSrc(ctx, []string{*m.properties.Src}))