Update Chromium versions for api.CSSStyleDeclaration.length (#15864)
Update Chromium versions for api.CSSStyleDeclaration.length (#15864)

This PR updates and corrects the real values for Chromium (Chrome, Opera, Samsung Internet, WebView Android) for the `length` member of the `CSSStyleDeclaration` API, based upon results from the [mdn-bcd-collector](https://mdn-bcd-collector.appspot.com) project (v5.0.0).

Tests Used: https://mdn-bcd-collector.appspot.com/tests/api/CSSStyleDeclaration/length

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