bp2build: convert paths/module refs to Bazel label

This currently expands all globs, still need to support converting glob
syntax.

Test: go build_conversion_test
Test: GENERATE_BAZEL_FILES=true m nothing
Test: m nothing
Bug: 165114590
Change-Id: If7b26e8e663d17566fad9614ca87a8da1f095284
diff --git a/android/testing.go b/android/testing.go
index 5640c29..de338bf 100644
--- a/android/testing.go
+++ b/android/testing.go
@@ -56,9 +56,9 @@
 
 type TestContext struct {
 	*Context
-	preArch, preDeps, postDeps, finalDeps []RegisterMutatorFunc
-	bp2buildMutators                      []RegisterMutatorFunc
-	NameResolver                          *NameResolver
+	preArch, preDeps, postDeps, finalDeps           []RegisterMutatorFunc
+	bp2buildPreArch, bp2buildDeps, bp2buildMutators []RegisterMutatorFunc
+	NameResolver                                    *NameResolver
 }
 
 func (ctx *TestContext) PreArchMutators(f RegisterMutatorFunc) {
@@ -85,13 +85,24 @@
 // RegisterBp2BuildMutator registers a BazelTargetModule mutator for converting a module
 // type to the equivalent Bazel target.
 func (ctx *TestContext) RegisterBp2BuildMutator(moduleType string, m func(TopDownMutatorContext)) {
-	mutatorName := moduleType + "_bp2build"
 	f := func(ctx RegisterMutatorsContext) {
-		ctx.TopDown(mutatorName, m)
+		ctx.TopDown(moduleType, m)
 	}
 	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) {
+	ctx.bp2buildPreArch = append(ctx.bp2buildPreArch, f)
+}
+
+// DepsBp2BuildMutators adds mutators to be register for converting Android Blueprint modules into
+// Bazel BUILD targets that should run prior to conversion to resolve dependencies.
+func (ctx *TestContext) DepsBp2BuildMutators(f RegisterMutatorFunc) {
+	ctx.bp2buildDeps = append(ctx.bp2buildDeps, f)
+}
+
 func (ctx *TestContext) Register() {
 	registerMutators(ctx.Context.Context, ctx.preArch, ctx.preDeps, ctx.postDeps, ctx.finalDeps)
 
@@ -100,7 +111,7 @@
 
 // RegisterForBazelConversion prepares a test context for bp2build conversion.
 func (ctx *TestContext) RegisterForBazelConversion() {
-	RegisterMutatorsForBazelConversion(ctx.Context.Context, ctx.bp2buildMutators)
+	RegisterMutatorsForBazelConversion(ctx.Context.Context, ctx.bp2buildPreArch, ctx.bp2buildDeps, ctx.bp2buildMutators)
 }
 
 func (ctx *TestContext) ParseFileList(rootDir string, filePaths []string) (deps []string, errs []error) {