noahric 6a35590d14 Add code for dummy file audio to fallback to dummy audio.
BUG=

Review-Url: https://codereview.webrtc.org/2250853002
Cr-Commit-Position: refs/heads/master@{#13804}
2016-08-17 22:19:55 +00:00
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2016-08-16 07:56:14 +00:00
2016-08-16 07:56:14 +00:00
2015-12-16 19:44:39 +00:00