Rolling v8/third_party/google_benchmark/src: https://chromium.googlesource.com/external/github.com/google/benchmark/+log/e539e80..db2de74

Fix pedantic compilation flag violation (#1156) (Mariusz Wachowicz)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/db2de74

fix version recorded in releases (#1047) (Kai Germaschewski)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/a4bcd93

Implementation of random interleaving.  (#1105) (haih-g)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/a6a738c

remove appveyor and add libera.chat as IRC resource (Dominic Hamon)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/c983c3e

TBR=v8-waterfall-sheriff@grotations.appspotmail.com,mlippautz@chromium.org

Bug: chromium:1213169
Change-Id: Ic89fd04b6f121e8997b54dcbbbd4a43b2ce8ecb8
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2919959Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74812}