Revert "Do not launch floating window when on default launcher"

This reverts commit 3eba208d71e0a2b86026cc524288b4042ae4dc1c.

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationHelper.java

Change-Id: I1c0872f7f3c15a497bb472ac62902be47aa81cc9
Merge "Revert "Do not launch floating window when on default launcher"" into kitkat3