title: Flutter : Several variant outputs are configured to use the same file name
body: <p>I am just trying to run the first app and this is what happens:</p>
  
  <pre><code>FAILURE: Build failed with an exception.
  * What went wrong:
  Execution failed for task ':app:packageDebug'.
  &gt; Several variant outputs are configured to use the same file name "resources-debug.ap_", filters : MAIN:MAIN
  </code></pre>