Convert test mutators to TransitionMutators

Convert various mutators in tests to TransitionMutators.

Bug: 319288033
Flag: EXEMPT refactor
Test: all soong tests pass
Change-Id: I1da55889c391582a7c825c118c5988ec27820237

android/mutator.go

@@ -516,6 +516,9 @@ type androidTransitionMutator struct {
 }
 
 func (a *androidTransitionMutator) Split(ctx blueprint.BaseModuleContext) []string {
+	if a.finalPhase {
+		panic("TransitionMutator not allowed in FinalDepsMutators")
+	}
 	if m, ok := ctx.Module().(Module); ok {
 		moduleContext := m.base().baseModuleContextFactory(ctx)
 		return a.mutator.Split(&moduleContext)