Added sort order and ended filter to Phrequent.

Summary:
Fixed order by duration, wasn't order by duration.

Added some sorting and filtering.

Test Plan: set some timers, stop them, look at phrequent, sort and filter them.

Reviewers: epriestley, hach-que

CC: aran, Korvin, hach-que

Maniphest Tasks: T2857

Differential Revision: https://secure.phabricator.com/D5554