message: Log classes removed by Cleanup Feature pass
  Summary:
  Update config native/redex/facebook/config/fb4a.config
  Output removed classes to redex-cleanup-removed-classes.txt
diff: @@ -661,6 +661,7 @@ def run_redex(args):
  copy_file_to_out_dir(dex_dir, args.out, 'resid-splitres-mapping.json', 'resid map after split pass', 'redex-resid-splitres-mapping.json')
  copy_file_to_out_dir(dex_dir, args.out, 'type-erasure-mappings.txt', 'class map after type erasure pass', 'redex-type-erasure-mappings.txt')
  copy_file_to_out_dir(dex_dir, args.out, 'instrument-methods-idx.txt', 'instrumented methods id map', 'redex-instrument-methods-idx.txt')
  + copy_file_to_out_dir(dex_dir, args.out, 'cleanup-removed-classes.txt', 'cleanup removed classes', 'redex-cleanup-removed-classes.txt')
  if config_dict.get('proguard_map_output', '') != '':
  # if our map output strategy is overwrite, we don't merge at all
  