Use trigger PRD_AssociationTool - fix for ATR-20676

Use trigger PRD_AssociationTool - removes this per-event warning: {noformat} SGInputLoader 5 0 WARNING unable to find proxy for ( 'InDet::PixelGangedClusterAmbiguities' , 'StoreGateSvc+PixelClusterAmbiguitiesMap' ) {noformat}