Merge "Revert^2 "AudioFlinger: do not reset mHwPaused on flush"" into main

{

    PlaybackThread::flushHw_l();

    mOutput->flush();

    mHwPaused = false;

    mFlushPending = false;

    mTimestampVerifier.discontinuity(discontinuityForStandbyOrFlush());

    mTimestamp.clear();

    mMonotonicFrameCounter.onFlush();

    // We do not reset mHwPaused which is hidden from the Track client.

    // Note: the client track in Tracks.cpp and AudioTrack.cpp

    // has a FLUSHED state but the DirectOutputThread does not;

    // those tracks will continue to show isStopped().

}

int64_t DirectOutputThread::computeWaitTimeNs_l() const {