Disable some flaky libjingle base tests.

ThreadTest.Main and VirtualSocketServerTest.delay_v6

Example:
http://build.chromium.org/p/tryserver.webrtc/builders/win/builds/1234

TBR=wu@webrtc.org
BUG=2409

Review URL: https://webrtc-codereview.appspot.com/2297004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4838 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/base/virtualsocket_unittest.cc b/talk/base/virtualsocket_unittest.cc
index f3b13fc..7f233df 100644
--- a/talk/base/virtualsocket_unittest.cc
+++ b/talk/base/virtualsocket_unittest.cc
@@ -863,7 +863,8 @@
   DelayTest(ipv4_test_addr);
 }
 
-TEST_F(VirtualSocketServerTest, delay_v6) {
+// See: https://code.google.com/p/webrtc/issues/detail?id=2409
+TEST_F(VirtualSocketServerTest, DISABLED_delay_v6) {
   SocketAddress ipv6_test_addr(IPAddress(in6addr_any), 1000);
   DelayTest(ipv6_test_addr);
 }