This will be used when adaptivePtime is enabled. Bug: chromium:1086942 Change-Id: I63c947c53a8c5b8e0825b78b847c3f7900197d6c Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/177421 Reviewed-by: Minyue Li <minyue@webrtc.org> Commit-Queue: Jakob Ivarsson <jakobi@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31544}