
Caches the TCP fairness limit to avoid redundant calculation. Adds option to append the delay based estimate as a candidate. Makes the appending of acknowledged bitrate as a candidate optional. Adds a log-bandwidth bias term. (submit on behalf of crodbro) Bug: webrtc:12707 Change-Id: Ic4b0f58e6f0bc3b117fe78a2321a07db65afd9dd Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/228163 Commit-Queue: Ying Wang <yinwa@webrtc.org> Reviewed-by: Christoffer Rodbro <crodbro@webrtc.org> Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34687}