GitLab

This test was recently marked as flaky on debug builds, but it is also
flaking on release builds. Example:
https://ci.chromium.org/p/chromium/builders/try/win10_chromium_x64_rel_ng/419689

TBR=cmp@chromium.org

Bug: 1022915
Change-Id: Ieca4c3b5b0f435862c28aa818f237ade814e1389
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1918087Reviewed-by: Tommy Steimel <steimel@chromium.org>
Commit-Queue: Tommy Steimel <steimel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#715488}