[apparmor] [Merge] lp:~intrigeri/apparmor/flatpak-exports into lp:apparmor

[intrigeri]

Superseded by https://gitlab.com/apparmor/apparmor/merge_requests/71. Simon, could you please take a look?
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https://code.launchpad.net/~intrigeri/apparmor/flatpak-exports/+merge/331056
Your team AppArmor Developers is requested to review the proposed merge of lp:~intrigeri/apparmor/flatpak-exports into lp:apparmor.