Settings: [3/3] Customizable lockscreen & navring targets

Original commit:

Settings : Port lockscreen shortcut configuration
Autor: Danesh Mondegarian <daneshm90@gmail.com>  2013-11-17 09:22:53
Change-Id: Ib4fd41f747912cc741eca1983c5f56df56176aad

Conflicts:

	AndroidManifest.xml
	res/values/dimens.xml
	res/xml/security_settings_chooser.xml
	src/com/android/settings/Utils.java