zhihuang ebbe4f2ed5 Set the preferred DSCP value for Rtp data channel to be DSCP_AF41.
BUG=b/31996729

Review-Url: https://codereview.webrtc.org/2539813003
Cr-Commit-Position: refs/heads/master@{#15449}
2016-12-06 18:45:47 +00:00
..
2016-09-29 00:42:08 +00:00
2016-11-07 11:04:03 +00:00