frameworks: add double tap to wake tile (1/2)

Change-Id: I1de7e1ab2b290fa0bc944b1eef735248e2b59a95

Conflicts:
	core/java/android/provider/Settings.java
	core/java/com/android/internal/util/cm/QSConstants.java
	packages/SystemUI/Android.mk
	packages/SystemUI/res/values/cm_strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java