Add test WebRtcVideoChannelTest.DoesNotAdaptWhenScreeensharing
Add test WebRtcVideoChannelTest.DoesNotAdaptWhenScreeensharing

Bug: None
Change-Id: Ib0c8a2eeb816631aac65236114b0487104a5c698
Reviewed-on: https://webrtc-review.googlesource.com/c/118121
Reviewed-by: Erik Språng <3ab8c90c99d6dd7822e0fad803ab0211dd287ae5@webrtc.org>
Commit-Queue: Niels Moller <0057859e47d61d90529d0f66d9ef692cefedb46a@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#26321}
ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc