message: Don't use .graph extension for reachability graph
diff: @@ -763,8 +763,8 @@ def finalize_redex(state):
  copy_file_to_out_dir(state.dex_dir, state.args.out, 'class-method-info-map.txt', 'class method info map', 'redex-class-method-info-map.txt')
  copy_file_to_out_dir(state.dex_dir, state.args.out, 'cfp-unsafe-references.txt', 'cfp unsafe references', 'redex-cfp-unsafe-references.txt')
  copy_file_to_out_dir(state.dex_dir, state.args.out, 'merge-interface-mappings.txt', 'merged interface to merger interface', 'redex-merge-interface-mappings.txt')
  - copy_file_to_out_dir(state.dex_dir, state.args.out, 'reachability.graph', 'reachability graph', 'redex-reachability.graph')
  - copy_file_to_out_dir(state.dex_dir, state.args.out, 'method-override.graph', 'reachability graph', 'redex-method-override.graph')
  + copy_file_to_out_dir(state.dex_dir, state.args.out, 'reachability-graph', 'reachability graph', 'redex-reachability-graph')
  + copy_file_to_out_dir(state.dex_dir, state.args.out, 'method-override-graph', 'method override graph', 'redex-method-override-graph')
  copy_all_file_to_out_dir(state.dex_dir, state.args.out, '*.dot', 'approximate shape graphs')
  if state.config_dict.get('proguard_map_output', '') != '':
  