diff --git a/android/mutator.go b/android/mutator.go
index c8f3e8fee..e20bc2ce2 100644
--- a/android/mutator.go
+++ b/android/mutator.go
@@ -74,7 +74,7 @@ var preArch = []RegisterMutatorFunc{
 	func(ctx RegisterMutatorsContext) {
 		ctx.TopDown("load_hooks", loadHookMutator).Parallel()
 	},
-	registerPrebuiltsPreArchMutators,
+	RegisterPrebuiltsPreArchMutators,
 	RegisterDefaultsPreArchMutators,
 }
 
@@ -86,7 +86,7 @@ var preDeps = []RegisterMutatorFunc{
 }
 
 var postDeps = []RegisterMutatorFunc{
-	registerPrebuiltsPostDepsMutators,
+	RegisterPrebuiltsPostDepsMutators,
 }
 
 func PreArchMutators(f RegisterMutatorFunc) {
diff --git a/android/prebuilt.go b/android/prebuilt.go
index 080df919d..507aa5fbe 100644
--- a/android/prebuilt.go
+++ b/android/prebuilt.go
@@ -61,11 +61,11 @@ type PrebuiltInterface interface {
 	Prebuilt() *Prebuilt
 }
 
-func registerPrebuiltsPreArchMutators(ctx RegisterMutatorsContext) {
+func RegisterPrebuiltsPreArchMutators(ctx RegisterMutatorsContext) {
 	ctx.BottomUp("prebuilts", prebuiltMutator).Parallel()
 }
 
-func registerPrebuiltsPostDepsMutators(ctx RegisterMutatorsContext) {
+func RegisterPrebuiltsPostDepsMutators(ctx RegisterMutatorsContext) {
 	ctx.TopDown("prebuilt_select", PrebuiltSelectModuleMutator).Parallel()
 	ctx.BottomUp("prebuilt_replace", PrebuiltReplaceMutator).Parallel()
 }
diff --git a/android/prebuilt_test.go b/android/prebuilt_test.go
index fe763eddc..774a15c6b 100644
--- a/android/prebuilt_test.go
+++ b/android/prebuilt_test.go
@@ -123,8 +123,8 @@ func TestPrebuilts(t *testing.T) {
 	for _, test := range prebuiltsTests {
 		t.Run(test.name, func(t *testing.T) {
 			ctx := NewTestContext()
-			ctx.PreArchMutators(registerPrebuiltsPreArchMutators)
-			ctx.PostDepsMutators(registerPrebuiltsPostDepsMutators)
+			ctx.PreArchMutators(RegisterPrebuiltsPreArchMutators)
+			ctx.PostDepsMutators(RegisterPrebuiltsPostDepsMutators)
 			ctx.RegisterModuleType("prebuilt", ModuleFactoryAdaptor(newPrebuiltModule))
 			ctx.RegisterModuleType("source", ModuleFactoryAdaptor(newSourceModule))
 			ctx.Register()
diff --git a/java/java.go b/java/java.go
index 1ef1c2661..f7191bfbc 100644
--- a/java/java.go
+++ b/java/java.go
@@ -531,6 +531,10 @@ func (j *Prebuilt) Prebuilt() *android.Prebuilt {
 	return &j.prebuilt
 }
 
+func (j *Prebuilt) Name() string {
+	return j.prebuilt.Name(j.ModuleBase.Name())
+}
+
 func (j *Prebuilt) DepsMutator(ctx android.BottomUpMutatorContext) {
 }
 
diff --git a/java/java_test.go b/java/java_test.go
index 344361058..de3be494a 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -57,6 +57,8 @@ func testJava(t *testing.T, bp string) *android.TestContext {
 	ctx.RegisterModuleType("java_library", android.ModuleFactoryAdaptor(LibraryFactory))
 	ctx.RegisterModuleType("java_prebuilt_library", android.ModuleFactoryAdaptor(PrebuiltFactory))
 	ctx.RegisterModuleType("java_defaults", android.ModuleFactoryAdaptor(defaultsFactory))
+	ctx.PreArchMutators(android.RegisterPrebuiltsPreArchMutators)
+	ctx.PreArchMutators(android.RegisterPrebuiltsPostDepsMutators)
 	ctx.PreArchMutators(android.RegisterDefaultsPreArchMutators)
 	ctx.Register()