android: Remove last two references to bug 177552.

build/android/gyp/javac.py

 #!/usr/bin/env python
 #
 # Copyright 2013 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.
 
 import fnmatch
 import optparse
 import os
 import sys
@@ skipping 70 matching lines @@
   parser.add_option('--javac-includes',
       help='A list of file patterns. If provided, only java files that match' +
         'one of the patterns will be compiled.')
   parser.add_option('--classpath', help='Classpath for javac.')
   parser.add_option('--output-dir', help='Directory for javac output.')
   parser.add_option('--stamp', help='Path to touch on success.')
   parser.add_option('--chromium-code', type='int', help='Whether code being '
                     'compiled should be built with stricter warnings for '
                     'chromium code.')
 
-  # TODO(newt): remove this once http://crbug.com/177552 is fixed in ninja.
-  parser.add_option('--ignore', help='Ignored.')
-
   options, args = parser.parse_args()
 
   DoJavac(options, args)
 
   if options.stamp:
     build_utils.Touch(options.stamp)
 
 
 if __name__ == '__main__':
   sys.exit(main())