Rename invalid domain name to be RFC compliant.

http://tools.ietf.org/html/rfc6761 and
http://tools.ietf.org/html/rfc2606 define invalid domain names to
be used in contexts such as this. It's good to be compliant with RFCs.

Change-Id: Ibb7f9ee12c0c4331f8a33470def74c3a136ef6d9
Merge "Rename invalid domain name to be RFC compliant."