If pacing rate, (current loss based bwe * pacing factor) is larger than the current upper link capacity estimate, reduce pacing factor to max of current bwe and upper link capacity. Bug: webrtc:42220543 Change-Id: I5246da1f38530f8d411e7314adaa8651fc848f48 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/349601 Reviewed-by: Diep Bui <diepbp@webrtc.org> Commit-Queue: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42210}