[1/2] CPUFreq Tile

Change-Id: Ib762bd668cb1b169b758e8f1d84c396bbb67dc96

Conflicts:
	core/java/com/android/internal/util/cm/QSConstants.java
	core/java/com/android/internal/util/cm/QSUtils.java
	packages/SystemUI/res/values/spirit_strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java