Converts both the AppOpsControllerImpl and the PermissionUsageHelper to
use the same static method when filtering which packages to show. The
only packages which are filtered are 6 device intelligence roles, and
the system package. These values are updated at most every 15 seconds
Fixes: 184141707
Test: manual
Change-Id: I9dc44197a2ff3df7783b37f450ada4ef2fb1ca6f
2d400b8737