Add Firefox versions for api.DOMTokenList.toggle.force_argument (#8491)
Add Firefox versions for api.DOMTokenList.toggle.force_argument (#8491)

This PR adds real values for Firefox and Firefox Android for the `toggle.force_argument` member of the `DOMTokenList` API, based upon information in a tracking bug.

Tracking Bug:
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data