Ignore modules which are not exported to Make.

Bug: 323833345
Test: forrest run on git_udc-qpr-dev-plus-aosp/aosp_arm64-trunk_staging-userdebug
Change-Id: I3b190ebc1a1096972d0a1273e490972e04684dd2

bloaty/bloaty.go

@@ -85,6 +85,9 @@ func fileSizesSingleton() android.Singleton {
 func (singleton *sizesSingleton) GenerateBuildActions(ctx android.SingletonContext) {
 	var deps android.Paths
 	ctx.VisitAllModules(func(m android.Module) {
+		if !m.ExportedToMake() {
+			return
+		}
 		filePaths, ok := android.SingletonModuleProvider(ctx, m, fileSizeMeasurerKey)
 		if !ok {
 			return