max-fr and max-fs are mandatory fields for VP8 and VP9.
Add parsing as a first step to enable use of these fields.
Bug: chromium:1032518
Change-Id: I4fd8f7f84f6303d646fb3f5313a02d6cf4160346
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/162801
Commit-Queue: Johannes Kron <kron@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30114}
