This will allow us to enable receive-side RTT without having to recreate all AudioReceiveStream objects. Bug: webrtc:12951 Change-Id: I1227297ec4ebeea9ba15fe2ed904349829b2e669 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/225262 Commit-Queue: Ivo Creusen <ivoc@webrtc.org> Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Jakob Ivarsson <jakobi@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34464}