Move UnimplementedMethod in ITestService.aidl

Moved the UnimplmementedMethod to be the first method in the ITestService
interface. This allows methods to be added and removed from ITestService
without changing UnimplementedMethod's generated transaction number.
This number is hardcoded in the test service to catch the call and
simulate an unimplemented method, so if it changes it can lead to an
abort in the service.

Test: atest aidl_integration_test
Change-Id: Id419e1bd04d05173524e68beb699add2ba27082b
2 files changed