Update "setQueryParam[s]()" calls in libphutil

Summary: Ref T13250. See D20149.

Test Plan: Lightly tested Google, AWS. Mostly inspection since it's hard to hit all of these. These are largely mechanical.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13250

Differential Revision: https://secure.phabricator.com/D20155