Class android.media.AudioManager

Added Methods
void addOnCommunicationDeviceChangedListener(Executor, OnCommunicationDeviceChangedListener)  
void clearDeviceForCommunication()  
int getAudioHwSyncForSession(int)  
AudioDeviceInfo getDeviceForCommunication()  
int getPlaybackOffloadSupport(AudioFormat, AudioAttributes)  
void removeOnCommunicationDeviceChangedListener(OnCommunicationDeviceChangedListener)  
boolean setDeviceForCommunication(AudioDeviceInfo)  
 

Added Fields
int FX_BACK  
int PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED  
int PLAYBACK_OFFLOAD_NOT_SUPPORTED  
int PLAYBACK_OFFLOAD_SUPPORTED