Update from https://crrev.com/306655

build/android/gyp/delete_files.py

Index: build/android/gyp/delete_files.py
diff --git a/build/android/gyp/delete_files.py b/build/android/gyp/delete_files.py
deleted file mode 100755
index 2fd945c0c4459a2d104035c3ed56380289dbcad0..0000000000000000000000000000000000000000
--- a/build/android/gyp/delete_files.py
+++ /dev/null
@@ -1,53 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2014 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.
-
-"""Delete files in directories matching a pattern.
-"""
-
-import glob
-import optparse
-import os
-import sys
-
-from util import build_utils
-
-def main():
-  parser = optparse.OptionParser()
-  parser.add_option(
-      '--pattern',
-      help='Pattern for matching Files to delete.')
-  parser.add_option(
-      '--keep',
-      help='Files to keep even if they matches the pattern.')
-  parser.add_option(
-      '--stamp',
-      help='Path to touch on success')
-
-  options, args = parser.parse_args()
-
-  if not options.pattern or not args:
-    print 'No --pattern or target directories given'
-    return
-
-  for target_dir in args:
-    target_pattern = os.path.join(target_dir, options.pattern)
-    matching_files = glob.glob(target_pattern)
-
-    keep_pattern = os.path.join(target_dir, options.keep)
-    files_to_keep = glob.glob(keep_pattern)
-
-    for target_file in matching_files:
-      if target_file in files_to_keep:
-        continue
-
-      if os.path.isfile(target_file):
-        os.remove(target_file)
-
-  if options.stamp:
-    build_utils.Touch(options.stamp)
-
-if __name__ == '__main__':
-  sys.exit(main())
-