Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/e840a06..0312f98

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/ea7d9cf..32a3f0b

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/34e6d43..7474c16

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

Change-Id: I30259bb2e7399419ee7f258e15edd9488efa7f16
Reviewed-on: https://chromium-review.googlesource.com/518722Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45614}