Adding tsan suppression for error introduced in r5555, causing libjingle_unittest to fail on TSan bot.

BUG=2931
R=kjellander@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/8779005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5559 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed