bin/storage shell: force TCP
Summary:
mysql has the magic feature of ignoring port arguments and using the socket when connecting to localhost.
This flag makes it not do that.
Test Plan: ./bin/storage shell, execute status, see Connection: localhost via TCP/IP.
Reviewers: joshuaspence, #blessed_reviewers, epriestley
Reviewed By: #blessed_reviewers, epriestley
Subscribers: Korvin
Differential Revision: https://secure.phabricator.com/D16317