am 2614190c: am 8f742203: am 99c90657: Merge "Camera3Device: Signal buffer...

    status_t res = returnBufferLocked(buffer, timestamp);

    if (res == OK) {

        fireBufferListenersLocked(buffer, /*acquired*/false, /*output*/true);

        mOutputBufferReturnedSignal.signal();

    }

    // Even if returning the buffer failed, we still want to signal whoever is waiting for the

    // buffer to be returned.

    mOutputBufferReturnedSignal.signal();

    return res;

}