This is a reland of 52fd96fb731d9a911bd064a9718d96fef0bd5b24 Original change's description: > Migrate test/time_controller to webrtc::Mutex. > > Bug: webrtc:11567 > Change-Id: I26fb07bf84ed197ce667290aa0bf4816bc9c5c06 > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/178818 > Reviewed-by: Sebastian Jansson <srte@webrtc.org> > Commit-Queue: Markus Handell <handellm@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#31660} Bug: webrtc:11567 Change-Id: I4979b6be8ac5ec661e0f18cca4d0c185916233bb Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/178876 Reviewed-by: Sebastian Jansson <srte@webrtc.org> Commit-Queue: Markus Handell <handellm@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31687}