Fix bug causing audio to stop being sent when AudioSendStreams are recreated.

Fix bug causing audio to stop being sent when AudioSendStreams are recreated.

BUG=webrtc:5772
Committed: https://crrev.com/6d6e7c5e1ac4b033e919cf562cc34ccc3b37f201
Cr-Commit-Position: refs/heads/master@{#12347}

[the sun, 2016-04-13 08:51:24]

Description was changed from

==========
Fix bug causing audio to stop being sent when AudioSendStreams are being
recreated.

BUG=
==========

to

==========
Fix bug causing audio to stop being sent when AudioSendStreams are being
recreated.

BUG=webrtc:5772
==========

[the sun, 2016-04-13 08:51:24]

solenberg@webrtc.org changed reviewers:
+ tommi@webrtc.org

[the sun, 2016-04-13 09:41:58]

Description was changed from

==========
Fix bug causing audio to stop being sent when AudioSendStreams are being
recreated.

BUG=webrtc:5772
==========

to

==========
Fix bug causing audio to stop being sent when AudioSendStreams are recreated.

BUG=webrtc:5772
==========

[tommi, 2016-04-13 14:24:04]

lgtm! verified that the issue is fixed.

[the sun, 2016-04-13 15:00:47]

The CQ bit was checked by solenberg@webrtc.org

[commit-bot: I haz the power, 2016-04-13 15:00:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1881793006/60001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1881793006/60001

[commit-bot: I haz the power, 2016-04-13 16:07:33]

Description was changed from

==========
Fix bug causing audio to stop being sent when AudioSendStreams are recreated.

BUG=webrtc:5772
==========

to

==========
Fix bug causing audio to stop being sent when AudioSendStreams are recreated.

BUG=webrtc:5772
==========

[commit-bot: I haz the power, 2016-04-13 16:07:34]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2016-04-13 16:07:42]

Description was changed from

==========
Fix bug causing audio to stop being sent when AudioSendStreams are recreated.

BUG=webrtc:5772
==========

to

==========
Fix bug causing audio to stop being sent when AudioSendStreams are recreated.

BUG=webrtc:5772

Committed: https://crrev.com/6d6e7c5e1ac4b033e919cf562cc34ccc3b37f201
Cr-Commit-Position: refs/heads/master@{#12347}
==========

[commit-bot: I haz the power, 2016-04-13 16:07:43]

Patchset 4 (id:??) landed as
https://crrev.com/6d6e7c5e1ac4b033e919cf562cc34ccc3b37f201
Cr-Commit-Position: refs/heads/master@{#12347}