Backport of "rtcpbuffer: Allow padding on first reduced size packets" into 1.20
Backport of !2422 (merged) "rtcpbuffer: Allow padding on first reduced size packets".
Commits:
- 3296c678 rtcpbuffer: Allow padding on first reduced size packets
Backport of !2422 (merged) "rtcpbuffer: Allow padding on first reduced size packets".
Commits: