Move 'revision' file creation from upload_sdk into create_sdk

tools/create_sdk.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 #
 # A script which will be invoked from gyp to create an SDK.
 #
 # Usage: create_sdk.py sdk_directory
 #
@@ skipping 407 matching lines @@
 
 
   # Copy import maps
   PLATFORMS = ['any', 'vm', 'dartium', 'dart2js', 'frog' ]
   os.makedirs(join(LIB, 'config'))
   for platform in PLATFORMS:
     import_src = join(HOME, 'lib', 'config', 'import_' + platform + '.config')
     import_dst = join(LIB, 'config', 'import_' + platform + '.config')
     copyfile(import_src, import_dst);
 
+  # Write the 'revision' file
+  revision = utils.GetSVNRevision()
+  if revision is not None:
+    with open(os.path.join(SDK_tmp, 'revision'), 'w') as f:
+      f.write(revision + '\n')
+      f.close()
+
   move(SDK_tmp, SDK)
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv))