Roll down cras audio dbus change in cros_system_api.

Roll down cras audio dbus change in cros_system_api.

BUG=244597
TBR=ben

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=202982

[dgreid, 2013-05-29 00:35:56]

LGTM but you'll need at a committer to approve as well

[commit-bot: I haz the power, 2013-05-29 01:13:46]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jennyz@chromium.org/15649011/1

[commit-bot: I haz the power, 2013-05-29 01:50:47]

Step "update" is always a major failure.
Look at the try server FAQ for more details.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_rel&...

[commit-bot: I haz the power, 2013-05-29 05:46:43]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jennyz@chromium.org/15649011/1

[commit-bot: I haz the power, 2013-05-29 06:13:53]

Step "update" is always a major failure.
Look at the try server FAQ for more details.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_rel&...

[commit-bot: I haz the power, 2013-05-29 20:20:54]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jennyz@chromium.org/15649011/1

[commit-bot: I haz the power, 2013-05-29 21:40:36]

Change committed as 202982