am d4cdb357: Merge "Update the card table scanning for header-only card marks." into gingerbread

Merge commit 'd4cdb3572b489e770d20a6afba0f86563f380825' into gingerbread-plus-aosp

* commit 'd4cdb3572b489e770d20a6afba0f86563f380825':
  Update the card table scanning for header-only card marks.