Jim Miller 138f25d756 Accessibility improvements in keyguard
- add accessibility descriptions to camera and search light
- add new onClick handler to simplify launching search and camera
- plumb camera launch through KeyguardService interface

Fixes bug 10914360

Change-Id: Ic85eda9afadba7381be78b477180f7204030cd17
2013-09-25 15:01:19 -07:00
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