test plan:
* run a sis import that changes a user but does not
update their email address
* the imported items count should include a User
closes #CNVS-14648
Change-Id: I67dfdf167c8eed77d3b4839fed5dbf905bcf513a
Reviewed-on: https://gerrit.instructure.com/65222
Reviewed-by: Tyler Pickett <tpickett@instructure.com>
Tested-by: Jenkins
QA-Review: Clare Strong <clare@instructure.com>
Product-Review: James Williams <jamesw@instructure.com>