Re: [webrtc-pc] How to truncate simulcast layers? (#2537)

Proposal:
- When doing addTransceiver, we default scaleResolutionDownBy according to the supported layers.
- When negotiating, if all layers are not supported, we truncate according to https://tools.ietf.org/html/draft-ietf-mmusic-sdp-simulcast-14#section-5.2 and cut off the end of the list, even if that results in no layer with scaleResolutionDownBy:1

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Received on Wednesday, 8 July 2020 12:42:23 UTC