settings: Privacy Guard support

 * Add toggle to InstalledAppDetails to enable/disable privacy guard flag on
   a per-application basis.
 * Add toggle to enable privacy guard by default for applications.

Change-Id: I74210e8cfd35bf23d3a28763f2133113d6621fa3
fix build

Change-Id: Ia2597b9c98fe49f898f2b774e208c8f709944923
QuickSettings: Camera tile

Change-Id: I8de198c6144e1b0194ebeaffffec084035492635

Conflicts:
	res/values/cm_strings.xml
	src/com/android/settings/custom/QuickSettings.java
fix strings

Change-Id: I6af7df98a58fa17e743923c3474cf53e8a884040
fix settings

Change-Id: If06edc23dcdea1942cb9427736182994b86c8b52
fix build

Change-Id: I54ee86bf69fb0d2d896e4eaaf9b767b462badef6