[1/2] packages/apps/Settings: enable quickunlock

Automatically unlock the lockscreen when correct PIN/Password is keyed
Taken from omni.

Change-Id: I4d37a1651689f88a878b58530c77fa562eca42db

Conflicts:

	res/values/custom_strings.xml
	res/xml/security_settings_chooser.xml
	src/com/android/settings/SecuritySettings.java

Change-Id: I06dd7f90add46b7791f15ba6c2efad471b6b3b26