Merge "Make mInitializationLooper final"

    /**

     * Looper associated with the thread that creates the AudioTrack instance.

     */

    private Looper mInitializationLooper = null;

    private final Looper mInitializationLooper;

    /**

     * The audio data sampling rate in Hz.

     */

        mState = STATE_UNINITIALIZED;

        // remember which looper is associated with the AudioTrack instantiation

        if ((mInitializationLooper = Looper.myLooper()) == null) {

            mInitializationLooper = Looper.getMainLooper();

        Looper looper;

        if ((looper = Looper.myLooper()) == null) {

            looper = Looper.getMainLooper();

        }

        mInitializationLooper = looper;

        audioParamCheck(streamType, sampleRateInHz, channelConfig, audioFormat, mode);