Class android.media.MediaRecorder

Added interfaces android.media.AudioRecordingMonitor, android.media.MicrophoneDirection.

Added Methods
AudioRecordingConfiguration getActiveRecordingConfiguration()  
void registerAudioRecordingCallback(Executor, AudioRecordingCallback)  
boolean setPreferredMicrophoneDirection(int)  
boolean setPreferredMicrophoneFieldDimension(float)  
void unregisterAudioRecordingCallback(AudioRecordingCallback)