[master]expand the interface of socket, add sn

foudations/mogo-live/src/main/java/com/mogo/cloud/live/socket/SocketMsgUtils.java

@@ -46,7 +46,7 @@ public class SocketMsgUtils implements IMogoCloudSocketMsgAckListener {
         Log.i(TAG, "初始化长连接……");
         mSocketManager = SocketManager.getInstance();
         mMessageListener = listener;
-        mSocketManager.init(mContext,0,0);
+        mSocketManager.init(mContext,"",0,0);
         mSocketManager.registerOnMessageListener(401017, listener);
     }