Merge branch 'ADCDPA50_20170803_1' into '21.2'

Fix of the SharedWriter to write out only the selected auxstore variables(ADCDPA-50)

See merge request !3821

Former-commit-id: 7410f94a

Database/AthenaPOOL/AthenaPoolCnvSvc/src/AuxDiscoverySvc.cxx

@@ -122,7 +122,7 @@ const SG::auxid_set_t& AuxDiscoverySvc::getAuxIDs(const void* obj, const Guid& c
    if (m_store == nullptr) {
       return s_emptySet;
    }
-   return m_store->getDynamicAuxIDs();
+   return m_store->getSelectedAuxIDs();
 }
 
 const void* AuxDiscoverySvc::getData(SG::auxid_t auxid) {