The purpose is to not allow an initial low link capacity estimate to reduce the current estimate. Only delay overuse detection , low probe results or a loss event can reduce the estimate. Bug: webrtc:14392 Change-Id: Ib1618347f2c7681e3bd65d85ee687dec3cd67c97 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/320380 Reviewed-by: Diep Bui <diepbp@google.com> Commit-Queue: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40751}