Merge "Add package cache handling to PermissionService."

        userManagerInternal = LocalServices.getService(UserManagerInternal::class.java)

        userManagerService = UserManagerService.getInstance()

        // The package info cache is the cache for package and permission information.

        // Disable the package info and package permission caches locally but leave the

        // checkPermission cache active.

        PackageManager.invalidatePackageInfoCache();

        PermissionManager.disablePackageNamePermissionCache();

        handlerThread = ServiceThread(LOG_TAG, Process.THREAD_PRIORITY_BACKGROUND, true)

            .apply { start() }

        handler = Handler(handlerThread.looper)