Hover notification timeout [2/2]

Allow user to set how much time the hover notification will stay visisible without touch the screen

Change-Id: I6a6fb5609a8dd4f97bfefdbbab38b87de8d2a11a

Conflicts:
	res/values/kang_arrays.xml
	res/values/kang_strings.xml
	res/xml/hover_settings.xml