Add Firefox Android versions for api.DOMRectReadOnly.fromRect (#16922)
Add Firefox Android versions for api.DOMRectReadOnly.fromRect (#16922)

This PR adds real values for Firefox Android for the `fromRect` member of the `DOMRectReadOnly` API, based upon results from the [mdn-bcd-collector](https://mdn-bcd-collector.appspot.com) project (v6.0.8).

Tests Used: https://mdn-bcd-collector.appspot.com/tests/api/DOMRectReadOnly/fromRect

_Check out the [collector's guide on how to review this PR](https://github.com/foolip/mdn-bcd-collector#reviewing-bcd-changes)._
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data