Summary: This is much faster than using the hosted google fonts. This still has the FOUT issue, but it's not as apparent in most cases.

Test Plan: Tested on staging.

Reviewers: michelle, nserrino, #engineering

Reviewed By: michelle, #engineering

Differential Revision: https://phab.corp.pixielabs.ai/D5603

GitOrigin-RevId: d7c515fc6a556a478d0e2dcd46e1aa24cc7a896b