Bug 1624396 - update SWGL to use the centralized WR shader list. r=jr…
…muizel Depends on D67958 Differential Revision: https://phabricator.services.mozilla.com/D67959 [ghsync] From https://hg.mozilla.org/mozilla-central/rev/72cbbe719b5d526b950d77691d36c234d21395fe