eladalon e2173d9f0d Only one implementation of MockRtpPacketSink once
MockRtpPacketSink has three identical implementations now, so time to move it to its own file.

BUG=None

Review-Url: https://codereview.webrtc.org/2988853002
Cr-Commit-Position: refs/heads/master@{#19183}
2017-07-28 17:05:45 +00:00
..
2016-11-17 14:48:56 +00:00
2016-11-16 19:11:38 +00:00