Class android.telecom.Call.Callback

Added Methods
void onHandoverComplete(Call)  
void onHandoverFailed(Call, int)  
 

Added Fields
int HANDOVER_FAILURE_DEST_APP_REJECTED  
int HANDOVER_FAILURE_NOT_SUPPORTED  
int HANDOVER_FAILURE_ONGOING_EMERGENCY_CALL  
int HANDOVER_FAILURE_UNKNOWN  
int HANDOVER_FAILURE_USER_REJECTED