am 7c1bd7fd: Fix logic error in downgrade of system apps

Merge commit '7c1bd7fdbf9ac539c9832693b403511b2fc7bac7' into gingerbread-plus-aosp

* commit '7c1bd7fdbf9ac539c9832693b403511b2fc7bac7':
  Fix logic error in downgrade of system apps