1. Use AndroidJunit4 instead of RobolectricTestRunner 2. Use ApplicationProvider instead of RuntimeEnvironment to get context 3. Change Copy Right 4. Workaround the resource getString to resolve the resource not found 5. Add @After to reset the content provider data Bug: 167377501 Test: atest -c PreferredNetworkModePreferenceControllerTest Change-Id: I8c123747a59eb4cf6c6b8b73109cf00cef4515f0