Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/31a054c..244ad31

TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org

Change-Id: Ie4cb30a5c5524787703855e55265d099e8a656ff
Reviewed-on: https://chromium-review.googlesource.com/1074534Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53378}