[webrtc-pc] new commits pushed by alvestrand

The following commits were just pushed by alvestrand to https://github.com/w3c/webrtc-pc:

* Specify how setCodecPreferences is affected by direction.
  by Henrik Boström

* nit and remove unused algorithm
  by Henrik Boström

* Merge pull request #2030 from henbos/181108_setCodecPreferences

Specify how codec preferences is affected by direction.
  by Harald Alvestrand

Received on Thursday, 6 December 2018 15:10:34 UTC