Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/497761f..9c22ce7

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/d71b471..ed0540f

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

Review-Url: https://codereview.chromium.org/2623403003
Cr-Commit-Position: refs/heads/master@{#42290}