danilchap c547e84ec5 Allow rtp::Packet::*RawExtension to take 0 as an extension id
BUG=webrtc:7433

Review-Url: https://codereview.webrtc.org/2803623004
Cr-Commit-Position: refs/heads/master@{#17610}
2017-04-10 08:31:49 +00:00
..
2016-11-16 19:11:38 +00:00