[libvirt] [PATCH v2] apparmor, libvirt-qemu: add default pki path of libvirt-spice

[intrigeri]

Christian Ehrhardt:
> Adding the PKI path that is used as default suggestion in src/qemu/qemu.conf
> If people use non-default paths they should use local overrides but the
> suggested defaults we should open up.

> This is the default path as referenced by src/qemu/qemu.conf in libvirt.

> While doing so merge the several places we have to cover PKI access into
> one.

> Bug-Ubuntu: https://bugs.launchpad.net/bugs/1690140

> Signed-off-by: Christian Ehrhardt <christian.ehrhardt at canonical.com>

Looks good, thanks for the refactoring ⇒ +1 for applying.