galaxys2: add selinux policies

Change-Id: I52a914da94f5c331b4928cb2e79d8fa5a0c0c41c
galaxys2: refine sepolicies

Change-Id: Ifa7e56537af87f14a59e5c9b5f254073eea22a8f
Merge branch 'cm-10.2' into martincz