Bug#882697: stretch-pu: package apparmor/2.11.0-3+deb9u1

[intrigeri <intrigeri@debian.org>]

intrigeri:
> At first glance this very much looks like a bug in the custom kernel
> you're using.

According to #883703 this bug affects the mainline Linux kernel as
well so this stretch-pu may break as many use cases at it'll repair
when running Linux 4.13+ on Stretch :/

Dear release team, how can we revert this s-p-u? Should I upload
2.11.0-3+deb9u2 that reverts to what we had in 2.11.0-3?

I'm very sorry for the mess.

Cheers,
-- 
intrigeri