updateLiveStsInfo method
更新LiveSts信息
Implementation
Future<dynamic> updateLiveStsInfo(String accId, String accKey, String token,
    String region) async {
  Map<String, String> liveStsInfo = {
    "accId": accId,
    "accKey": accKey,
    "token": token,
    "region": region,
  };
  return FlutterAliPlayerFactory.methodChannel
      .invokeMethod('updateLiveStsInfo', wrapWithPlayerId(arg: liveStsInfo));
}