Add vulcanize to tools.

android_webview/tools/webview_licenses.py

 #!/usr/bin/python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Checks third-party licenses for the purposes of the Android WebView build.
 
 The Android tree includes a snapshot of Chromium in order to power the system
 WebView.  This tool checks that all code uses open-source licenses compatible
 with Android, and that we meet the requirements of those licenses. It can also
@@ skipping 99 matching lines @@
   # This is tests directory, doesn't exist in the snapshot
   excluded_dirs_list.append('content/test/data')
   # This is a tests directory that doesn't exist in the shipped product.
   excluded_dirs_list.append('gin/test')
   # This is a test output directory
   excluded_dirs_list.append('data/dom_perf')
   # Histogram tools, doesn't exist in the snapshot
   excluded_dirs_list.append('tools/histograms')
   # Swarming tools, doesn't exist in the snapshot
   excluded_dirs_list.append('tools/swarming_client')
+  # vulcanize tools, doesn't exist in the snapshot.
+  excluded_dirs_list.append('tools/vulcanize')
   # Arm sysroot tools, doesn't exist in the snapshot
   excluded_dirs_list.append('arm-sysroot')
   # Data is not part of open source chromium, but are included on some bots.
   excluded_dirs_list.append('data')
   # This is not part of open source chromium, but are included on some bots.
   excluded_dirs_list.append('skia/tools/clusterfuzz-data')
 
   args = ['android_webview/tools/find_copyrights.pl',
           '.'
           ] + excluded_dirs_list
@@ skipping 162 matching lines @@
     return scan_result
   elif args[0] == 'notice':
     print GenerateNoticeFile()
     return ScanResult.Ok
 
   parser.print_help()
   return ScanResult.Errors
 
 if __name__ == '__main__':
   sys.exit(main())