rtcp::ReportBlock class is designed for serialization while
ReportBlockData designed for passing report block information across
multiple components.
This slightly reduce how RtcpTransceiver and RtcpReceiver interact with other webrtc components
Bug: webrtc:8239
Change-Id: I582e3d7b32dc6357954b29a1def37e2e72116a74
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/304285
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Emil Lundmark <lndmrk@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40006}
f66b9f5efe