Add bare bones RelativeTimeFormat data (#3254)
Add bare bones RelativeTimeFormat data (#3254)

* Add bare bones RelativeTimeFormat data

* Android Webview version 71 also supports RelativeTimeFormat

* Fix link lint

chrisdavidmills/browser-compat-data,mdn/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data