[Merge] ~utkarsh/livecd-rootfs/+git/livecd-rootfs:6-11-apparmor-mismatch into livecd-rootfs:ubuntu/master

[Ankush Pathak]

Review: Approve

If possible, could you confirm "snap debug seeding" output does not contain "seed-restart-system-key" on a booted test image built with these changes?
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https://code.launchpad.net/~utkarsh/livecd-rootfs/+git/livecd-rootfs/+merge/473522
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