code: function deleteDefaultResourceAt(baseDir, resourceName) {
      shell.ls(path.join(baseDir, 'res/drawable-*'))
      .forEach(function (drawableFolder) {
          var imagePath = path.join(drawableFolder, resourceName);
          shell.rm('-f', [imagePath, imagePath.replace(/\.png$/, '.9.png')]);
          events.emit('verbose', 'Deleted ' + imagePath);
      });
  }
docs: remove the default resource name from all drawable folders