packages/TtsService/proguard.flags - platform/frameworks/base - Git at Google

 -keep class android.tts.SynthProxy {
   int mJniData;
   # keep all declarations for native methods
   <methods>;
 }
	-keep class android.tts.SynthProxy {
	int mJniData;
	# keep all declarations for native methods
	<methods>;
	}