Show time on Drydock logs

Summary: Show the time in addition to the date in the Drydock logs.

Test Plan: Brought forward from D10479.

Reviewers: epriestley, Blessed Reviewers

Reviewed By: epriestley, Blessed Reviewers

Subscribers: joshuaspence, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D10909