Rolling v8/tools/clang to 0e7dbd100f91096de47919f394ac0b32dd7c21a2

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

Review URL: https://codereview.chromium.org/1355633003

Cr-Commit-Position: refs/heads/master@{#30815}