Lockscreen Options : Disable keyguard camera only

Current method of disabling camera does so for entire system, not just
lockscreen. This patchset addresses that.

Change-Id: Iba357214df36ddd8afd49a3e39abcaaba4ec808e
Remove unused string.

Change-Id: I42efede12c7a8e501dcef5e6eed84839ec586716
Merge "Lockscreen Options : Disable keyguard camera only" into cm-10.1
merge changes from remotes/github/cm-10.1 into master
Settings: AF translations

Change-Id: Ia2571ce89ea3d688690d85b9fcc18037a9a8b91d
merge changes from remotes/github/cm-10.1 into master