Update test to specify WorkTypes directly.

Also add a check to make sure hard-coded defaults are sensible.

Bug: 141645789
Bug: 171305774
Test: atest CtsJobSchedulerTestCases
Test: atest FrameworksMockingServicesTests:JobSchedulerServiceTest
Test: atest FrameworksServicesTests:PrioritySchedulingTest
Test: atest FrameworksServicesTests:WorkCountTrackerTest
Test: atest FrameworksServicesTests:WorkTypeConfigTest
Change-Id: Iaed21d60072b7ee838ff944715b2a82663e9ba9d