4.4 implementation of active display

Change-Id: I08330a28d0880f82c09ccaec7e36844d9e6570d5

Conflicts:
	core/res/AndroidManifest.xml
	packages/SystemUI/res/layout-land/active_display_content.xml
	packages/SystemUI/res/layout/active_display_content.xml
	packages/SystemUI/res/layout/glow_pad_view.xml
	packages/SystemUI/res/values/vendor_dimens.xml
	packages/SystemUI/res/values/vendor_styles.xml
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/activedisplay/ActiveDisplayView.java