Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/3f61809..81ffd00

Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/93cd73d..af0ede1

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

Change-Id: I4d9b172f6657d33629a021475290869f743c5482
Reviewed-on: https://chromium-review.googlesource.com/c/1330911
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#57415}