[1/2] Notifictation counter

PS2: Try to fix memory leak
PS12: Catch line 143 for debugging track down which instance of
      StatusBarIcon is causing NPE
PS13: Removing apply() from onAttachedToWindow to test a theory
PS14: Remove logging and check if icon is null before setting vars
PS15: == -> =
Change-Id: I95d06df346c77f0089abb749f2ee16a3d4678041
Signed-off-by: kecinzer <kecinzer@gmail.com>

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/res/drawable-hdpi/ic_notification_overlay.9.png
	packages/SystemUI/res/drawable-mdpi/ic_notification_overlay.9.png
	packages/SystemUI/res/drawable-xhdpi/ic_notification_overlay.9.png
	packages/SystemUI/res/drawable-xxhdpi/ic_notification_overlay.9.png