getVersionedPackage can't see packages installed on the 2nd user

See b/161410257#comment1 for the details.

We need to pass MATCH_ANY_USER to ensure packages installed on the
2nd user are visiable to PackageWatchdog so it can observe packages
with rollback enabled correctly.

Bug: 161410257
Test: atest MultiUserRollbackTest#testBadUpdateRollback
Change-Id: Ie06eadfe14e003675b1898208f907ba7bb1d86b7