This CL adds miscellaneous unit tests for the ResourceAdaptationProcessor, the VideoSourceRestrictions comparators and the VideoStreamInputStateProvider. Bug: webrtc:11172 Change-Id: If95f69644aaf2b43e3b19d5729bedef0b438c77b Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/174101 Reviewed-by: Evan Shrubsole <eshr@google.com> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Henrik Boström <hbos@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31147}