Trivial update to parameters for _instance_update

Change-Id: I23d2c17ff3c54be97a2710da316eaa4f06cc9425
Merge branch 'havana/1.4' into havana/1.5-merge

The fixed being merged was already included in havana/1.5
and this is a trivial sync-up merge.

Change-Id: I1b1a40c88f289273aa663219bf58d0e71134efd8