am 54717320: Camera2: Don\'t touch frame counter on output frames.

        // Real interfaces. On enqueue, queue takes ownership of buffer pointer

        // On dequeue, user takes ownership of buffer pointer.

        status_t enqueue(camera_metadata_t *buf);

        status_t dequeue(camera_metadata_t **buf, bool incrementCount = true);

        status_t dequeue(camera_metadata_t **buf, bool incrementCount = false);

        int      getBufferCount();

        status_t waitForBuffer(nsecs_t timeout);

        // Wait until a buffer with the given ID is dequeued. Will return