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