am af6ccb69: am 30e1f2bd: Add dpi tests to CTS.

Merge commit 'af6ccb69fe171614d9dd3e1a5f0c6a1d19cb14d4' into eclair-plus-aosp

* commit 'af6ccb69fe171614d9dd3e1a5f0c6a1d19cb14d4':
  Add dpi tests to CTS.