Refactor MeasurementCtsDebuggableTest to reduce latency Reduced sleep time and separated one test into four. Also corrected delete registration call. Bug: 289710698 Test: atest CtsAdServicesDebuggableDeviceTestCases:MeasurementCtsDebuggableTest Change-Id: I1d79fead7505108d83230898eb9b1fb7ad8599eb