[apparmor] [Merge] ~sdeziel/apparmor-profiles/+git/apparmor-profiles:thunderbird-bug-880425 into ~apparmor-dev/apparmor-profiles/+git/apparmor-profiles-old:master

[Simon Déziel]

Thanks for merging. I will submit future ones via GitLab.
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https://code.launchpad.net/~sdeziel/apparmor-profiles/+git/apparmor-profiles/+merge/333081
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