Add antivirus privilege test cases

Add antivirus privilege test cases

[Issue#]        SSDWSSP-491
[Feature]       Add test cases checking if AV has access to every type of folders set by
                perm_app_setup_path - GROUP_RW, SETTINGS_RW, PUBLIC_RO. Both SMACK and NOSMACK
                version of tests was added.
[Cause]         N/A
[Solution]      N/A
[Verification]  Build and run libprivilege-control-test. Test should pass both on SMACK and NOSMACK
                environment.

Change-Id: Ie073095f4ca78e86f9d7a7e1d5ec5e7014229504