n7100: add selinux policies

port from i9300: http://review.cyanogenmod.org/#/c/47915/5

Change-Id: If232f942449b6a01a178cca36a5bc47fa6e4c8d6
SELinux: Remove duplicate rules

These are now declared in the global sepolicy

Change-Id: I32cbe2c987a47817c05e7020b6845d7d92643010