Add testcase for CarPropertyManager APIs

Add test case for unregisterCallback(listener, propId)
Add test case for getIntArrayProperty()

Bug: 150168353
Test: atest CtsCarTestCases:CarPropertyManagerTest
      atest CtsCarTestCases:CarInfoManagerTest
Change-Id: I9d1c4a64273ec5b8583a664ac449b50c7b320c1d
3 files changed