Set device to false for all pages which don't specify device readiness
Summary:
Ref T5446.
- For all callsites which do not specify a value, set false explicitly.
- Make true the default.
Test Plan: Used grep, then manually went through everything.
Reviewers: chad
Reviewed By: chad
Subscribers: epriestley
Maniphest Tasks: T5446
Differential Revision: https://secure.phabricator.com/D9687