[Android] Workaround of an android platform bug.

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
new file mode 100755
index 0000000000000000000000000000000000000000..6411c4c9660d8bfbb97fbfe18c575d314a66c722
--- /dev/null
+++ b/build/android/gyp/delete_files.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+# Copyright (c) 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
+
+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.')
+
+  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 __name__ == '__main__':
+  sys.exit(main())
+