This reduces dependency on the struct RTCPReportBlock and would allow to delete it in favor of class ReportBlockData Bug: None Change-Id: Ia46a2516e26453724eed2e499f475f65df6cd3fa Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/304163 Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39990}