Make QuicSession::ResetStream() smarter. If the stream reseted doesn't exist, we always send out 0 as the bytes written. And if it doesn, we always send what the stream has written. So we don't need the explicit parameter for bytes_written. No behavior change. not protected. PiperOrigin-RevId: 319211675 Change-Id: I6c96d94e2d0ec1eca0c86a4740a7384aa15c8529