This is an attempt to isolate what's causing the hard-to-diagnose bots only
failures with that CL.

Bug: chromium:812178
Change-Id: I50ffe8953bebbbc6b5a5e2f689718662a537acb4
Reviewed-on: https://chromium-review.googlesource.com/924864Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Gabriel Charette <gab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51348}