[2/2] Frameworks: HALO

Forward port from jb.
PS1: Initial port
     Fix conficts with notification LED
     Fix derp
     Major derp
     HALO Mods
     Rebase
     Fix blackist, code clean and added some TODOs
PS2: Fix build
PS3: Fix bubble sometimes doesn't respond on new notification
PS4: Align halo icon

Change-Id: I3e79945433d61da090ca263f4e2989be9987f11d

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/AndroidManifest.xml
	packages/SystemUI/res/values/cm_strings.xml
	packages/SystemUI/res/values/dimens.xml
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	services/java/com/android/server/NotificationManagerService.java
	services/java/com/android/server/am/ActivityStack.java
Halo: Add master switch to disable Halo (1/2)

Change-Id: Ifb0f4e8abdce1ed3d4cc4c973edc08794781db64

Conflicts:
	core/java/android/provider/Settings.java
Update HaloProperties battery value

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java
Dokdo WhiteHalo 2.0
Halo PS 16 -> 17

Change-Id: I11b694ecd6a46f745596e32d81479b863ff6c232
PS17: Get the correct activity stack: this makes all windows in the same stack to get the floating mode