Remove multiuser test config and add config for work profile

Multiuser config enforces the tests to run on primary user, secondary user, work profile, private profile and clone profile. However the tests are only written to support primary, secondary and work profile. Adding config to run for work profile.

Test: atest CtsOsTestCases
Bug: 402525702
Flag: EXEMPT config fix
Change-Id: I7763b14c466e667419a28127ba86f94d09de0ff9