Peter Boström 718b6c72ae Add waiting to SetSendSsrc tests.
These tests were flaky since a paced packet could arrive between
consecutive calls to NumRtpPackets or NumRtpBytes.

BUG=webrtc:5193
R=stefan@webrtc.org
TBR=pthatcher@webrtc.org

Review URL: https://codereview.webrtc.org/1436753003 .

Cr-Commit-Position: refs/heads/master@{#10603}
2015-11-11 16:19:40 +00:00
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2015-11-11 16:19:40 +00:00
2015-10-27 11:08:19 +00:00