Changed FinalizeFecHeader to recieve a list of `ProtectedStream` struct,
in order to prepare for receiving multiple ssrcs to protect in the same
FEC packet header. Implementation of the multistream case will follow in
next CL.
Change-Id: I697ef9172a07797a6f500b9ec3a9916f8f45bc04
Bug: webrtc:15002
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/307620
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40269}
bde7c6ad11