Settings: Fix missing preference when lockscreen disabled.

    - Introduced in security settings reshuffle.

Change-Id: I1b6b608682208396d5efc54fd985652f65e86ffc
HOVER [2/2]
Check framework commit for description. Needs our blacklist interface,
a similar implement or a removal of blacklist interface.

Change-Id: Ie02a765e696322137d8487236d415f90f7f950c8
Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

Conflicts:
	src/com/android/settings/applications/InstalledAppDetails.java