AppOps: only apply app type filters to summary screen

  *) If buildState() is called for a single package, do
     not apply hide user/system app filters.

  *) Fixes show detail display when called via
     long press in privacyguard and an AppOp hide
     filter is ticked.

Original feature commit:
http://review.cyanogenmod.org/#/c/51699/

Change-Id: If31d094fb989836ab6829daeefe820695032c0ed