Rolling v8/build to e3d87b142123f2da73c94c276ee915c099afe909

Rolling v8/tools/clang to 15dd77e3ea10e43596ec6ac07b73431135915b30

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

Review-Url: https://codereview.chromium.org/1961713002
Cr-Commit-Position: refs/heads/master@{#36093}