R1:0883ea6977ef

Move "unlisted" apps to Query, use Query for app preferences

Summary:
- Demagic "unlisted" apps.
- Respect policies in application visibility settings.

Test Plan: Viewed applications, settings.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D7212