This reduces dependency on the struct RTCPReportBlock and would allow to delete it in favor of class ReportBlockData Bug: None Change-Id: I751c7fae1b0285eccdff6e0fe85c8e1ea7d7362c Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/304280 Auto-Submit: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Jakob Ivarsson <jakobi@webrtc.org> Reviewed-by: Jakob Ivarsson <jakobi@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39992}