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

..

mock_rtp_packet_sink_interface.h

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