Some RTSP servers do not include the RANGE attribute for live contents. #minor-release PiperOrigin-RevId: 370662587
Previously loadingFinished will never be set to true because it started in false, and we are and'ing it with `canceled`. #minor-release PiperOrigin-RevId: 370662456
Allow ExoPlayer to open URIs starting with rtsp:// PiperOrigin-RevId: 370653248