(so far SetBitrate did not do anything for media transport) Bug: webrtc:9719 Change-Id: I48e669341ffe6c9e4697ff9146c314be7796a209 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/127980 Reviewed-by: Steve Anton <steveanton@webrtc.org> Reviewed-by: Niels Moller <nisse@webrtc.org> Reviewed-by: Bjorn Mellem <mellem@webrtc.org> Commit-Queue: Peter Slatala <psla@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27169}