Appears mozrunner has changed; need to update which module to import.

This surprised me quite a bit, but I don't think there's anything
wrong with my checkout that would explain why I have to do this.
I guess mozrunner has changed while the test was broken...

Bug:751211
Change-Id: I7ed0aa6a904e697de010014aa1ea2e2116e14909
Reviewed-on: https://webrtc-review.googlesource.com/3401
Reviewed-by: Edward Lemur <ehmaldonado@webrtc.org>
1 file changed