Flip this for a day or two to gather perf bot results & stability
issues. Results will be collected in https://crbug.com/782637.

TBR=hablich@chromium.org

Bug: v8:6624, chromium:782637
Change-Id: I70eb5d6287d4723f935715ef80d9ba129dc282f0
Reviewed-on: https://chromium-review.googlesource.com/758375Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49222}