The idea is to let the RtpRtcp and RTPSender classes be responsible for media-agnostic RTP transport, and move out the media-specific processing, such as packetization and media-specific headers. Bug: webrtc:7135 Change-Id: Ib0ce45bf06713b3eb6c06acd91c5168856874e4e Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/123187 Reviewed-by: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26954}