[apparmor] [PATCH v2 0/7] Create stacking regression tests

[Tyler Hicks]

This set of patches introduces a good number of regression tests related to
stacking. The tests are true to John's first set of profile stacking kernel
patches.

These tests pass on John's stacking kernel as well as the latest non-stacking
kernel found in Ubuntu Xenial (4.4.0-13.29).

A log of changes from v1 to v2 of this patch set is not provided as, to my
knowledge, nobody has had a chance to review v1 of the patches.

Tyler