am 14282f97: Merge "Change hosttestlib to use ddm-prebuilt." into gingerbread

Merge commit '14282f9796f888c3388d25a878b625fd76840212' into gingerbread-plus-aosp

* commit '14282f9796f888c3388d25a878b625fd76840212':
  Change hosttestlib to use ddm-prebuilt.