Rolling v8/base/trace_event/common to 4b09207e447ae5bd34643b4c6321bee7b76d35f9

Rolling v8/third_party/icu to 8f91ea3a7e0413df3312204058da856058a8099b

Rolling v8/tools/clang to 003558cb5f46e54fdbf5d14507f5c233d2ea91e6

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

Review URL: https://codereview.chromium.org/1665713002

Cr-Commit-Position: refs/heads/master@{#33692}