am d5c7cfd0: Merge "Verify /data/data is not writable." into gingerbread

Merge commit 'd5c7cfd0c2c349b39846c5de8031428ca6e2da08' into gingerbread-plus-aosp

* commit 'd5c7cfd0c2c349b39846c5de8031428ca6e2da08':
  Verify /data/data is not writable.