Update libjingle to 53057474.

R=wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/2274004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4818 4adac7df-926f-26a2-2b94-8c16560cd09d

talk/base/virtualsocket_unittest.cc

@@ -69,7 +69,7 @@ struct Sender : public MessageHandler {
 
     count += size;
     memcpy(dummy, &cur_time, sizeof(cur_time));
-    socket->Send(dummy, size);
+    socket->Send(dummy, size, DSCP_NO_CHANGE);
 
     last_send = cur_time;
     thread->PostDelayed(NextDelay(), this, 1);