Merge "Fix SoundPool.play() looping regression in 4.3 DO NOT MERGE"

// must be called with mLock held

status_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount)

{

    if (mSharedBuffer == 0 || mIsTimed) {

    // SoundPool streaming implementation uses AudioTrack EVENT_MORE_DATA callback mode,

    // and relies on being able to loop the data provided by the most recent callback.

    if (/*mSharedBuffer == 0 ||*/ mIsTimed) {

        return INVALID_OPERATION;

    }