security, apparmor: add (Set|Restore)ChardevLabel
security, apparmor: add (Set|Restore)ChardevLabel

Since 1b4f66e "security: introduce virSecurityManager
(Set|Restore)ChardevLabel" this is a public API of security manager.

Implementing this in apparmor avoids miss any rules that should be
added for devices labeled via these calls.

Signed-off-by: Christian Ehrhardt <48da28e2c2cd455d60e19b14c46925e20a3c5d5b@canonical.com>

andreabolognani/libvirt,libvirt/libvirt,eskultety/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,olafhering/libvirt,libvirt/libvirt,jfehlig/libvirt,nertpinx/libvirt,nertpinx/libvirt,crobinso/libvirt,eskultety/libvirt,zippy2/libvirt,libvirt/libvirt,zippy2/libvirt,fabianfreyer/libvirt,eskultety/libvirt,eskultety/libvirt,nertpinx/libvirt,crobinso/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,libvirt/libvirt,nertpinx/libvirt,zippy2/libvirt,jfehlig/libvirt,jardasgit/libvirt,andreabolognani/libvirt,crobinso/libvirt,crobinso/libvirt,eskultety/libvirt,olafhering/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,jardasgit/libvirt,olafhering/libvirt,olafhering/libvirt,jfehlig/libvirt,andreabolognani/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,jardasgit/libvirt,zippy2/libvirt