The video engine MapCodecs function returned an empty list of
codecs when errors occured, which caused crashes downstream.
This created issues with diagnosing errors caused by PT redesign.
Bug: webrtc:360058654
Change-Id: I0b5bdc9f95814ac4cfb99f749075990c3077e7a6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/370420
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#43499}