Increase testclient timeout from 1 to 5 seconds

BUG=4182
R=pthatcher@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/38839004

Cr-Commit-Position: refs/heads/master@{#8285}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8285 4adac7df-926f-26a2-2b94-8c16560cd09d
5 files changed