Privacy Guard Slim version (1/2)

Re-implements slims ehanced privacy guard from 4.3
and addapt it to 4.4 changes

Change-Id: If57de2b541fa6b0a590fd65e8664bf173e259035

Conflicts:

	core/java/android/provider/Settings.java
	core/res/res/values/slim_strings.xml
Frameworks: Advanced Power Menu

Change-Id: I1c9af874a340e4fccbef09a5879f0b718d6998dd

Conflicts:

	core/java/android/provider/Settings.java
	core/java/android/view/WindowManagerPolicy.java
	core/java/com/android/internal/util/slim/PolicyConstants.java
	core/java/com/android/internal/util/slim/PolicyHelper.java
	core/res/res/drawable-hdpi/ic_lock_screenshot.png
	core/res/res/drawable-xhdpi/ic_lock_reboot.png
	core/res/res/drawable-xhdpi/ic_lock_screenshot.png
	core/res/res/values-mcc405/config.xml
	core/res/res/values/slim_strings.xml
	policy/src/com/android/internal/policy/impl/GlobalActions.java
	services/java/com/android/server/power/ShutdownThread.java