send delay is now measured through SendPacketObserver interface Bug: None Change-Id: I0dc3de1522e2824d9431d7e3a3dc524588687dda Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/319500 Reviewed-by: Åsa Persson <asapersson@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40755}