SELinux: su: update policies

- Integrate policies from domain.te (fixes ES File Manager which uses unix socket)
- Allow platform_app to use su (fixes CM File Manager)

original commit from cm:
https://github.com/CyanogenMod/android_vendor_cm/commit/04fd9192b05ae2655560a444711fe8859430f439

Change-Id: I39dd55e63b44590575bbe6d889c8d77141ba8545
superuser : missing permissions for superuser with strict selinux

This stuff is missing.
based on this commit
http://review.cyanogenmod.org/#/c/80814/1/sepolicy/untrusted_app.te

That was postet to device/oppo/msm8974-common but
this is needed for every device so we better put it into the right position
(will most likely come to cm also later)

Change-Id: I15b66f1089e5cda7ee6fe07e194ee446086aed37
Fix the Reliance MMS APN (mcc 405, mnc 01)

Change-Id: Ib1f3927aa55ae57d89e6389d685e340ca4b18063
Added telenor 'smart' ipv4v6 apn

per CYAN-6070

Change-Id: I38edb8a4786bb47d0d0c47ca03a29b72db31ec99