Add adjustable trigger area for the @ppbar.  Users can define the width, height and Y position of the trigger area.  Only this area will receive touch events. [2/2]

Change-Id: Ie8f80dfc4de5d3de8bcc1a0c24fb6b2aabeeee65

Conflicts:
	res/values/attrs.xml
	res/values/strings.xml
	res/xml/app_sidebar_settings.xml
	src/com/android/settings/chameleonos/AppSidebar.java