Fix Setting->Display always force close issue

CTS's AdminTest will change the display timeout to 5 seconds.
It will cause Setting->Display 100% force close. It has been reported in
http://code.google.com/p/android/issues/detail?id=27026 . This patch is
for solving this issue.

Change-Id: Icf4061023f040ee164d161b9db717acbc9697124
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: If03aa5319c520b6c4a78887f0f46ef1443ddaa83

Conflicts:
	res/layout/installed_app_details.xml
	res/values/cm_strings.xml
	src/com/android/settings/SecuritySettings.java
	src/com/android/settings/applications/InstalledAppDetails.java

Conflicts:
	res/layout/installed_app_details.xml
	res/values/strings.xml
	src/com/android/settings/SecuritySettings.java
	src/com/android/settings/applications/InstalledAppDetails.java