[INTERNAL] ManagedObject: Mention interface as possible type of aggregations
[INTERNAL] ManagedObject: Mention interface as possible type of aggregations

Change-Id: Ifb03a2e84364992128ff4177cdf1f5e9fee876ff
BCP: 1970314603

SAP/openui5,SAP/openui5,SAP/openui5,SAP/openui5