Use TestLooper in AdapterService*Test

TestLooper should gave us more reliable and reproducible test

So we can control the loop the loop the loop the the the loop loop can
Oh no... here we are again

Bug: 292141273
Bug: 291815510
Test: atest AdapterServiceFactoryResetTest
Test: atest AdapterServiceTest
Test: atest AdapterServiceRestartTest
Change-Id: I83807df8ab4803cabca8c2dabb91bc9c96528c49