It was moved to api/video_codecs/video_encoder_config.h in cl
https://webrtc-review.googlesource.com/77683.
Bug: webrtc:8830
Change-Id: I197fd3270d3dea0a5ec98b22cc675c407c388e93
Reviewed-on: https://webrtc-review.googlesource.com/90243
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24092}