- Filter data channel codecs based on codec name instead of payload type, which may have been remapped.
- Rename the data codec payload types to end with "PlType" instead of "Id", for consistency.

BUG=webrtc:2795

Review-Url: https://codereview.webrtc.org/2397413002
Cr-Original-Commit-Position: refs/heads/master@{#14581}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 9fa49759e5e51a45cbc7c03a17c269e3d2658fc8
8 files changed