This allows the script to be reliably run on the bots.
Bug: webrtc:8365
Change-Id: Ie4f216403c1f4fabe8db07f261fe06d1e64be0ae
Reviewed-on: https://webrtc-review.googlesource.com/42720
Reviewed-by: Edward Lemur <ehmaldonado@webrtc.org>
Commit-Queue: Sami Kalliomäki <sakal@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21717}