Add mac_permissions.xml dependency.

Include the MMAC install perms policy configuration
file to the list of SELINUX dependencies.
This changes depends on the project:

git.selinuxproject.org/~seandroid/selinux/mac-policy

Signed-off-by: rpcraig <rpcraig@tycho.ncsc.mil>

Change-Id: Ief91d6a717741c91c5ba8745452bb247dc8048ec