Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/1fd2d08..b61b6b6

Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/3059fd7..e853531

Rolling v8/third_party/googletest/src: https://chromium.googlesource.com/external/github.com/google/googletest/+log/a6f06bf..045e7f9

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/de94aab..51de78a

Also added fixes for fuchsia-sdk and additional DEPS entry.

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

Bug: chromium:840669
Change-Id: Ic0370c56e98118780f02758e5ea057bb9026bacd
Reviewed-on: https://chromium-review.googlesource.com/1049305
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53176}