Frameworks: port statusbar notification count (1/2)

Change-Id: Id23ac43866fa7fb9043d1f598a1f88cd4fa9ab9b

update notification count backgrounds and text color to match kitkat ui

  - also add duplicates in inverted folders to keep inline with trds themeing

Conflicts:
	core/java/android/provider/Settings.java
Don't show notification count for a notification with just one item

For example, the Play Store sets the number attribute to 1 for a single
app update. No point in showing a counter for that