Explicitly only add transport-cc RTCP feedback param to default FlexFEC codec.
Earlier, the FlexFEC codec would receive the same default RTCP feedback
params as the media codecs. Since most of these are not used, there is
no point negotiating them.
BUG=webrtc:5654
Review-Url: https://codereview.webrtc.org/2623513002
Cr-Original-Commit-Position: refs/heads/master@{#16057}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 36e7d704100d632799f32344fb125e2944172c78
3 files changed
