Respect app-ops permission in FileIntegrityService

Previous permission doesn't consider REQUEST_INSTALL_PACKAGES permission
as an app-ops permission.

Bug: 152009905
Test: atest GtsPlayFsiTestCases
Test: remove appops setup from AndroidTest.xml, the same test failed
Change-Id: Icdbf6bb35fe146c5be8a97e29c4c554b3ce91b5d