Failure can still happen by CameraBufferManager during Unlock() and/or Deregister() of camera3Buffer handles. We should be logging those errors as well. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>