R1:f9dc4ef6d80b

Set device true on all XHProf pages

Summary: Pass this as true when building XHProf pages

Test Plan: Verify setDeviceReady exists in class PhabricatorBarePageView

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11980