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

[intrigeri]

Review: Approve

Thanks! Merged in GitLab: https://gitlab.com/apparmor/apparmor-profiles/commit/5c48d9f2174c14e3fc3c8401decf1f57e8cdd3ed
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https://code.launchpad.net/~sdeziel/apparmor-profiles/+git/apparmor-profiles/+merge/333081
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