Rolling v8/build to 0aef44ff3987075f96208a8418c9f92038e7cf52

Rolling v8/tools/clang to c08b639033e7eca409e7d61c8384b7e328aabe8f

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

Review-Url: https://codereview.chromium.org/2227473002
Cr-Commit-Position: refs/heads/master@{#38409}