Add Chromium versions for MimeType API (#8286)
Add Chromium versions for MimeType API (#8286)

This PR adds real values for Chromium (Chrome, Opera, Samsung Internet, WebView Android) for the `MimeType` API, based upon results from the [mdn-bcd-collector](https://mdn-bcd-collector.appspot.com) project (v1.1.8).  Results are manually confirmed for accuracy.

Tests Used: https://mdn-bcd-collector.appspot.com/tests/api/MimeType
chrisdavidmills/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data