Launch floating notifications from notification panel (long click)
 * Status bar - long click on notification select 'floating mode' option
 * PIE - long click on notification, auto launches floating window

Conflicts:
	packages/SystemUI/res/values/strings.xml

Change-Id: Ia7b85ddd41a663d1fb175d60c0fa34bcaf43f28f

Conflicts:
	packages/SystemUI/res/values/cm_strings.xml