Make bin/aphlict stop read new config properly

Summary: Ref T10697. I missed this so it isn't reading the new config properly.

Test Plan: Ran bin/aphlict stop, saw it read config.

Reviewers: chad, Mnkras

Reviewed By: Mnkras

Subscribers: Mnkras

Maniphest Tasks: T10697

Differential Revision: https://secure.phabricator.com/D15729