editentity aliases only 1 changeop per change type

Previously a changeop was created for each alias
given to wbeditentity. As each changeop is a set
each changeop was overwriting the previous changes
Bug: 50983

Change-Id: Iae7d15467c31bbf09f03acd4b069b3a2199a1509
Merge "editentity aliases only 1 changeop per change type"