Pass additional arguments to the PhabricatorDaemonEventListener.

Summary: Include non-standard command line arguments in the daemon.didLaunch event.

Test Plan: See D9607.

Reviewers: epriestley, Blessed Reviewers

Reviewed By: epriestley, Blessed Reviewers

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D9613