base: add back permission-group SECURITY to fix blacklist

  This will allow READ|CHANGE_PHONE_BLACKLIST
to be accepted by system. CM's MMS app should
work fine now.

Original commit message:

base: Add blacklist provider permission

JIRA: CYAN-3727
Issue: https://jira.cyanogenmod.org/browse/CYAN-3727


Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Change-Id: Id911dcf40a509b2233cae3964802531f5b0d55c1