honghaiz a0c44eaa82 Add 16-bit network id to the candidate signaling.
Also include that in the stun-ping request as part of the
network-info attribute.
Change the network cost to be 16 bits.

BUG=

Review URL: https://codereview.webrtc.org/1815473002

Cr-Commit-Position: refs/heads/master@{#12110}
2016-03-23 23:07:54 +00:00
..
2014-10-28 22:20:11 +00:00
2014-10-28 22:20:11 +00:00
2014-10-28 22:20:11 +00:00
2014-10-28 22:20:11 +00:00
2014-10-28 22:20:11 +00:00
2014-10-28 22:20:11 +00:00