Allow shutter/recording sound to be adjusted unless it's forced.

// media players.

static MediaPlayer* newMediaPlayer(const char *file) {

    // Read the system property to determine if we have need to use the

    // AUDIO_STREAM_ENFORCED_AUDIBLE type.

    char value[PROPERTY_VALUE_MAX];

    property_get("ro.camera.sound.forced", value, "0");

    int audioStreamType;

    if (strcmp(value, "0") != 0) {

        audioStreamType = AUDIO_STREAM_ENFORCED_AUDIBLE;

    } else {

        audioStreamType = AUDIO_STREAM_MUSIC;

    }

    MediaPlayer* mp = new MediaPlayer();

    if (mp->setDataSource(file, NULL) == NO_ERROR) {

        mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE);

        mp->setAudioStreamType(audioStreamType);

        mp->prepare();

    } else {

        LOGE("Failed to load CameraService sounds: %s", file);