am a9c381ed: Any intermediate targets between Progaurd and the built_dex should be differently named.

Merge commit 'a9c381ed4517993175a5bb6741ecf2aac3e8040c' into gingerbread-plus-aosp

* commit 'a9c381ed4517993175a5bb6741ecf2aac3e8040c':
  Any intermediate targets between Progaurd and the built_dex should be differently named.