docs: translation editor update

a variety of locales to the app's translation file. With

<a href="https://tools.ietf.org/html/bcp47">BCP 47</a> support, the editor combines language and

region codes into a single selection for targeted localizations. Color codes indicate whether a

locale is complete or still missing string translations. You can also use the plugin to export

your strings to the

<a href="{@docRoot}distribute/googleplay/developer-console.html">Google Play Developer Console</a>

for translation, then download and import your translations back into your project. </p>

locale is complete or still missing string translations. </p>

<p>To access the Translations Editor, open a <code>strings.xml</code> file and click the

<strong>Open Editor</strong> link.  </p>