apparmor, libapparmor: update to 3.1.6

BUG=b/415499432
TEST=presubmit
RELEASE_NOTE=Updated apparmor to 3.1.6. This fixes CVE-2016-1585.

cos-patch: security-high
Change-Id: I3e721d264e6a1cdc25e3a1d962fd9285fe19b88a
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/102004
Reviewed-by: Kevin Berry <kpberry@google.com>
Main-Branch-Verified: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
8 files changed