This will be used in an experiment to ramp up BWE when BWE is reduced
due to loss.
Bug: webrtc:12707
Change-Id: I3b78f9dd3fe8ef9f94a9616640ffb8b2225e161e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/324042
Reviewed-by: Diep Bui <diepbp@webrtc.org>
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40961}