Add Statusbar Quick Peek [1/2]

Adds the ability to peek at the statusbar when hidden
by swiping down from the top edge of the screen.

	modified:   res/values/pa_strings.xml
	modified:   res/xml/tool_bar_settings.xml
	modified:   src/com/android/settings/paranoid/Toolbar.java

Change-Id: Iffea0969be80b3a3c2e5209720c585772d431f8d