title: try to add platform then getting "Failed to fetch platform cordova-android@~6.2.2"
body: <p><strong>cordova platform add android --save</strong></p>
  
  <pre><code>    ? Running command - failed!**
  
      [ERROR] Cordova encountered an error.
              You may get more insight by running the Cordova command above directly.
  
      [ERROR] An error occurred while running cordova platform add android --save(exit code 1):
  
              **Using cordova-fetch for cordova-android@~6.2.2
              Error: Failed to fetch platform cordova-android@~6.2.2**
              Probably this is either a connection problem, or platform spec is icorrect.
              Check your connection and platform name/version/URL.
              Error: cmd: Command failed with exit code ENOENT
  </code></pre>