apparmor: fix cross for different bit depths between build and host
Fixes #405780
Void also does not attempt to enable python on cross for armv7 [1].
This means apparmor-parser will never work on cross.
[1] https://github.com/void-linux/void-packages/blob/f8130e11caa853e434dc0ecdfb229d8fcd29c7de/srcpkgs/apparmor/template#L32-L36
authored by Grimmauld and committed by Alyssa Ross ce8e2c97 b654ff50