Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/788dcd7..53448a6

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/415a532..11d3d44

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/7f925e3..caccf42

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

Review-Url: https://codereview.chromium.org/2555223003
Cr-Commit-Position: refs/heads/master@{#41568}