am 5d4f98c4: Merge "Update AVRCP play status only if music is streaming" into lmp-dev

    private void updateA2dpAudioState(int state) {

        boolean isPlaying = (state == BluetoothA2dp.STATE_PLAYING);

        if (isPlaying != isPlayingState(mCurrentPlayState)) {

            /* if a2dp is streaming, check to make sure music is active */

            if ( (isPlaying) && !mAudioManager.isMusicActive())

                return;

            updatePlayPauseState(isPlaying ? RemoteControlClient.PLAYSTATE_PLAYING :

                                 RemoteControlClient.PLAYSTATE_PAUSED,

                                 RemoteControlClient.PLAYBACK_POSITION_INVALID);