Add fetch recipe alias targeting Android

recipes/android.py

Index: recipes/android.py
diff --git a/recipes/android.py b/recipes/android.py
new file mode 100644
index 0000000000000000000000000000000000000000..efc78a32abcc3410bc2297b92c4c020e639d7832
--- /dev/null
+++ b/recipes/android.py
@@ -0,0 +1,30 @@
+# Copyright (c) 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 sys
+
+import recipe_util  # pylint: disable=F0401
+
+
+# This class doesn't need an __init__ method, so we disable the warning
+# pylint: disable=W0232
+class Android(recipe_util.Recipe):
+  """Basic Recipe alias for Android -> Chromium."""
+
+  @staticmethod
+  def fetch_spec(props):
+    return {
+      'alias': {
+        'recipe': 'chromium',
+        'props': ['--target_os=android'],
+      },
+    }
+
+
+def main(argv=None):
+  return Android().handle_args(argv)
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))