
kMaxSimulcastStreams, kMaxSpatialLayers and kMaxTemporalStreams don't really beling on VideoBitrateAllocation. common_types.h is going away and it feels dubious to requrie include of the full VideoEncoder api to use them. Therefore moving them into a seprate file/target. Also includes some remaining cleanup of includes. Bug: webrtc:9271 Change-Id: I7ded3d97a9a835ac756159700774445a2b93a697 Reviewed-on: https://webrtc-review.googlesource.com/c/117305 Reviewed-by: Stefan Holmer <stefan@webrtc.org> Reviewed-by: Niels Moller <nisse@webrtc.org> Commit-Queue: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26299}