am 267f0a6b: Merge "Workaround NPE caused by packages missing signatures." into froyo

Merge commit '267f0a6b683a2de75450afee59d2058b292c72c8' into froyo-plus-aosp

* commit '267f0a6b683a2de75450afee59d2058b292c72c8':
  Workaround NPE caused by packages missing signatures.