am ba16a89d: Override LOCAL_CERTIFICATE in inherit-package.

Merge commit 'ba16a89dbd61003a3b907d0f5e8fc48fba2afcab' into froyo-plus-aosp

* commit 'ba16a89dbd61003a3b907d0f5e8fc48fba2afcab':
  Override LOCAL_CERTIFICATE in inherit-package.