Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/20c1311..3899f1b

Rolling v8/tools/luci-go: https://chromium.googlesource.com/chromium/src/tools/luci-go/+log/abcd908..445d7c4

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

Change-Id: Ibd109913b42c2bd758855378ac61fb1a6a4f5cfe
Reviewed-on: https://chromium-review.googlesource.com/1145040Reviewed-by: V8 Autoroller <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: V8 Autoroller <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#54577}