Hack clock_unittest fix for parallel execution.

It's a bad idea to depend on timing constraints in unit tests, but
moving this from 5 -> 100 ms should allow it to fail only very rarely.

TBR=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/35659004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7999 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed