This CL utilizes the input frame rate in the RTCVideoEncoderH264, by setting it into VT Property.
The main purpose is to guide VT encoder to make correct decision of the encoded frame size.
Bug: webrtc:10015
Change-Id: Id5c89f2876539f3181030f49b546326fc40b8ea3
Reviewed-on: https://webrtc-review.googlesource.com/c/111420
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25724}