Imported using git-ubuntu import.
Changelog parent: d0bcbdc422778c3200116a89c26808ecff9161ef
New changelog entries:
* live-build/ubuntu-core/hooks/21-snappy-security-policy-stamp.chroot:
- create a /usr/share/snappy/security-policy-version so that
snappy can re-generate the security profiles if any of the versions
of apparmor or ubuntu-core-security-* changes
