bp2build: support full/lite protos in cc libs

Test: bp2build.sh
Bug: 200601772
Change-Id: I3a7e00546726bc63b5eb8d5604557c5988a5320b

android/mutator.go

@@ -221,6 +221,13 @@ var bp2buildMutators = map[string]RegisterMutatorFunc{}
 // See http://b/192523357
 var bp2buildLock sync.Mutex
 
+// A minimal context for Bp2build conversion
+type Bp2buildMutatorContext interface {
+	BazelConversionPathContext
+
+	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.