Merge "AudioFlinger: Ensure triple buffering is preserved for notifications" into qt-dev

            // notify every HAL buffer, regardless of the size of the track buffer

            maxNotificationFrames = mFrameCount;

        } else {

            // For normal tracks, use at least double-buffering if no sample rate conversion,

            // or at least triple-buffering if there is sample rate conversion

            const int nBuffering = sampleRate == mSampleRate ? 2 : 3;

            // Triple buffer the notification period for a triple buffered mixer period;

            // otherwise, double buffering for the notification period is fine.

            //

            // TODO: This should be moved to AudioTrack to modify the notification period

            // on AudioTrack::setBufferSizeInFrames() changes.

            const int nBuffering =

                    (uint64_t{frameCount} * mSampleRate)

                            / (uint64_t{mNormalFrameCount} * sampleRate) == 3 ? 3 : 2;

            maxNotificationFrames = frameCount / nBuffering;

            // If client requested a fast track but this was denied, then use the smaller maximum.

            if (requestedFlags & AUDIO_OUTPUT_FLAG_FAST) {