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/talk@4838 4adac7df-926f-26a2-2b94-8c16560cd09d
2 files changed