Remove CreateVariations, CreateLocalVariations and AddInterVariantDependencies

These have all been replaced by TransitionMutators.

Bug: 319288033
Flag: EXEMPT refactor
Test: all soong tests pass
Change-Id: Ib8f2a7419b879d69d8a1e0d2d4fadd89b082c064
diff --git a/android/prebuilt.go b/android/prebuilt.go
index fd5a6ea..4f04d05 100644
--- a/android/prebuilt.go
+++ b/android/prebuilt.go
@@ -359,8 +359,8 @@
 //
 // This function is for use on dependencies after PrebuiltPostDepsMutator has
 // run - any dependency that is registered before that will already reference
-// the right module. This function is only safe to call after all mutators that
-// may call CreateVariations, e.g. in GenerateAndroidBuildActions.
+// the right module. This function is only safe to call after all TransitionMutators
+// have run, e.g. in GenerateAndroidBuildActions.
 func PrebuiltGetPreferred(ctx BaseModuleContext, module Module) Module {
 	if !module.IsReplacedByPrebuilt() {
 		return module