Adapt to behavior change in MATCH_UNINSTALLED_PACKAGES

Don't use the PM flag to reach across users.
If retrieving labels, etc., use MATCH_ANY_USER, since
several Settings screens show work profile apps as well.

Bug: 31000380
Test: Manual test of affected screens
Change-Id: Ib6f981ae8443f640276d395c37247c8c0b610894