Disabling flaky CanReceiveFec.

CanReceiveFec is flaky, likely to the test expecting the first FEC
packet to always be decoded and rendered.

R=stefan@webrtc.org
BUG=3269

Review URL: https://webrtc-codereview.appspot.com/19379004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5992 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed