Note: google3 needs to set this clock before we can start using it. Bug: webrtc:11327 Change-Id: I0436c6633976afe208f28601fdfd50e0f6f54d6e Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/214480 Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Paul Hallak <phallak@google.com> Cr-Commit-Position: refs/heads/master@{#33653}