[webrtc-pc] Pull Request: fix RTCRtpSynchronizationSource.audioLevel idl to be nullable

na-g has just submitted a new pull request for https://github.com/w3c/webrtc-pc:

== fix RTCRtpSynchronizationSource.audioLevel idl to be nullable ==
Fixes #1665 

See https://github.com/w3c/webrtc-pc/pull/1666

Received on Friday, 17 November 2017 17:45:19 UTC