This prepares for making the BBR implementation more identical to the
implementation in Quic, to ensure that results are comparable.
Bug: webrtc:8415
Change-Id: Icc66b748e52efb80b5c3ade85f83de6b224a4bd2
Reviewed-on: https://webrtc-review.googlesource.com/76581
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23227}
