Parameterize CARSM unit tests

Use JUnit parametrization instead of the roll-our-own parameterization
we had going on. This potentially resolves the flakiness that was going
on before in the CARSM tests.

Test: unit tests
Bug: 69482930
Change-Id: Ib0b99e25eda12f5df862de83bb3291e4e79c5190
4 files changed