Summary:
Ref T2852. Add a `log()` method to `PhabricatorWorker` to make debugging easier.
I renamed the similar Drydock-specific method.
Test Plan:
Used logging in a future revision:
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<<< [36] <http> 211,704 us
Updating main task.
>>> [37] <http> https://app.asana.com/api/1.0/tasks/6153776820388
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Reviewers: btrahan, chad
Reviewed By: chad
CC: aran
Maniphest Tasks: T2852
Differential Revision: https://secure.phabricator.com/D6296