Add more constraints to "harbormaster.target.search"

Summary: Ref T13607. Add some time-oriented constraints to this API method to support compiling build statistics.

Test Plan:

• Called "harbormaster.target.search" with all new constraints.
• Viewed documentation in API console.

Subscribers: PHID-OPKG-gm6ozazyms6q6i22gyam

Maniphest Tasks: T13607

Differential Revision: https://secure.phabricator.com/D21559