Fixes steps 2 and 3 of identity image. Fixes bug 911892. Step 2 is a get tenants request and has a response with it. Added the response. Step 3 assumes a scoped token to a tenant so added a call to get the scoped token. (2873)

Fixes steps 2 and 3 of identity image. Fixes bug 911892. Step 2 is a get tenants request and has a response with it. Added the response. Step 3 assumes a scoped token to a tenant so added a call to get the scoped token. (2873) · Gerrit Code Review