am 26067c2d: Make CTS use the ddmlib-prebuilt.

Merge commit '26067c2d962b06c2928ac1c233d9ba8f1252bfad' into gingerbread-plus-aosp

* commit '26067c2d962b06c2928ac1c233d9ba8f1252bfad':
  Make CTS use the ddmlib-prebuilt.