22.0 add uniqueClone to TrkMeasurementBase
Preparatory work for ATLASRECTS-6384, adding non-virtual interface uniqueClone to MeasurementBase and derived classes. This is not yet used by clients, so should be trivial changes.
Edited by Shaun Roe
Preparatory work for ATLASRECTS-6384, adding non-virtual interface uniqueClone to MeasurementBase and derived classes. This is not yet used by clients, so should be trivial changes.