apparmor: add the ability to report a sha1 hash of loaded policy

Provide userspace the ability to introspect a sha1 hash value for each
profile currently loaded.

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Seth Arnold <seth.arnold@canonical.com>

diff --cc security/apparmor/Kconfig
Simple merge

diff --cc security/apparmor/Makefile
Simple merge

diff --cc security/apparmor/apparmorfs.c
Simple merge

diff --cc security/apparmor/crypto.c
Simple merge

diff --cc security/apparmor/include/apparmorfs.h
Simple merge

diff --cc security/apparmor/include/crypto.h
Simple merge

diff --cc security/apparmor/include/policy.h
Simple merge

diff --cc security/apparmor/policy_unpack.c
Simple merge