Fix incorrect rtx config in full_stack tests.

BUG=4326
R=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/40819006

Cr-Commit-Position: refs/heads/master@{#8455}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8455 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed