Return: Smart Pulldown [1/2]

Adds the ability to directly open the QS panel when there are
no notifications present in the notification panel.
This commit combines the enhancement by HardCorePawn for detectin
notification types for the same.

Credits: kufikugel, HardCorePawn

PS 2-4 : Cleanup

Change-Id: Idf7076eff47a9b02659e1e98e60fa474b3e7cbeb
SystemUI: Smart Pull-Down - Any Notification (1/2)

Change-Id: I1749d0e166df707f125e454a47826b6e4df531fc