[ALPS04737987] Move clearkey and widevine sepolicy to basic repo

Basic project which need clearkey and widevine will fail to
launch clearkey and widevine process, so we need move clearkey
and widevine related sepolicy to basic repo

MTK-Commit-Id: 889fb14b0d049c0fb53e1f2a45b43a1ba6700f9f

Change-Id: I7b9154b9dcee05be01a2d5f1c7a5f8d365ce4da6
CR-Id: ALPS04737987
Feature: [Android Default] SELinux, SEAndroid, and SE-MTK