Settings: Lockscreen Quick Unlock (1/2)

Only show option if pin or password lockscreen selected.

Updated to use strings_custom.xml

Signed-off-by: Stevespear426 <stephen.k.spear@gmail.com>

Conflicts:
	res/values/strings.xml
	src/com/android/settings/SecuritySettings.java

Change-Id: I9ae99d1818d910ca175db28904b9ac51d0a61d6f