PiperOrigin-RevId: 195735915 Change-Id: If4dcd836c3cf9da7c314b95101b23f95ff0eb234
It directs users to our contributor guidelines and Gerrit instance. PiperOrigin-RevId: 194830523 Change-Id: I9882da0e95d04f7e1ee941bf65d40fbe45a47b24