Merge "Use uint32_t sequence numbers for IAudioRecord"

    // These are private to processAudioBuffer(), and are not protected by a lock

    uint32_t                mRemainingFrames;       // number of frames to request in obtainBuffer()

    bool                    mRetryOnPartialBuffer;  // sleep and retry after partial obtainBuffer()

    int                     mObservedSequence;      // last observed value of mSequence

    uint32_t                mObservedSequence;      // last observed value of mSequence

    uint32_t                mMarkerPosition;    // in wrapping (overflow) frame units

    bool                    mMarkerReached;

        mRetryOnPartialBuffer = false;

    }

    size_t misalignment = mProxy->getMisalignment();

    int32_t sequence = mSequence;

    uint32_t sequence = mSequence;

    // These fields don't need to be cached, because they are assigned only by set():

    //      mTransfer, mCbf, mUserData, mSampleRate, mFrameSize