Philipp Hancke f21cdb0afa Add RTP header extension API regression tests
which describe the existing behavior that necessitated the revert
  b396e2b159b060791954495d68278a55e8f72092

Also change the fake media engine audio clockrate to 8000 instead
of 0 and the fake media engine video payload type to something but
0 as this value seems to be treated specially by the video engine
and is a payload type reserved for PCMU.

BUG=chromium:1051821

Change-Id: Ib0a345d59baba50a565f01685d240e41584367e6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/299000
Commit-Queue: Philipp Hancke <phancke@microsoft.com>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39699}
2023-03-28 11:06:24 +00:00
..
2022-01-18 13:46:37 +00:00