Added more logging
Added more logging

Summary: Changes seems to be getting different configs when it creates jobs and when it creates buildsteps, and the current logs do not provide very much information.

Reviewers: anupc

Reviewed By: anupc

Subscribers: kylec

Differential Revision: https://tails.corp.dropbox.com/D208865

dropbox/changes,dropbox/changes,dropbox/changes,dropbox/changes