Sergey Silkin ebb5383fd8 Dump codec input
Add functionality for dumping encoder and decoder input to file in video codec test.

Bug: b/261160916, webrtc:14852
Change-Id: I49a84a886d87903c601cf5c35bd723b6393c2a75
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/298051
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39626}
2023-03-21 16:54:19 +00:00
..
2023-03-21 16:54:19 +00:00