Creates the EmulatedSFUConfig that will receive the parameters for
controlling the virtual SFU used in the call.
Its current only field is the previous target_spatial_index from
VideoSimulcastConfig.
This allow to filter out the bottom layers for SVC S mode tests
and enable them.
Bug: webrtc:11607
Change-Id: Id4f3a96b3a03b9be7155796c3bafefce01f32b7d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/274162
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38182}
bfdb9577ff