henrika 9b2b40231d Ensures that RECORD_AUDIO permission is required to start recording.
Avoids existing crash and ensures that error message is passed up to Libjingle. Will lead to the following logcat output:

E/libjingle(31404): Error(channel.cc:1514): Failed to SetSend 2 on voice channel

BUG=b/21273153
R=magjed@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/54459004

Cr-Commit-Position: refs/heads/master@{#9236}
2015-05-20 14:08:44 +00:00
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