Add an option to override the TestToStderr trace printout time.

This is useful for offline file-based tests.

R=kjellander@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1407004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@3960 4adac7df-926f-26a2-2b94-8c16560cd09d
2 files changed