Update retrolambda to 2.5.1

build/android/gyp/retrolambda.py

 #!/usr/bin/env python
 #
 # Copyright 2016 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 argparse
 import os
 import shutil
 import sys
 import tempfile
 
 from util import build_utils
 
 
 _SRC_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__),
                                          '..', '..', '..'))
 _RETROLAMBDA_JAR_PATH = os.path.normpath(os.path.join(
-    _SRC_ROOT, 'third_party', 'retrolambda', 'retrolambda-2.3.0.jar'))
+    _SRC_ROOT, 'third_party', 'retrolambda', 'retrolambda-2.5.1.jar'))
 
 
 def _OnStaleMd5(input_jar, output_jar, classpath, android_sdk_jar):
   with build_utils.TempDir() as temp_dir:
     build_utils.ExtractAll(input_jar, path=temp_dir)
     cmd = [
         'java',
         '-Dretrolambda.inputDir=' + temp_dir,
         '-Dretrolambda.classpath=' +
             ':'.join([temp_dir] + classpath + [android_sdk_jar]),
@@ skipping 29 matching lines @@
       lambda: _OnStaleMd5(options.input_jar, options.output_jar,
                           options.classpath, options.android_sdk_jar),
       options,
       input_paths=input_paths,
       input_strings=[],
       output_paths=output_paths)
 
 
 if __name__ == '__main__':
   sys.exit(main())