vendor/omni: Comment out SEPolicies that are now neverallow

Change-Id: Ia905832d5cb0f87fdaa3d785fb8f77dbaf756855
diff --git a/sepolicy/system.te b/sepolicy/system.te
index 0b37f4e..a573553 100644
--- a/sepolicy/system.te
+++ b/sepolicy/system.te
@@ -6,4 +6,4 @@
 allow system_server adbtcp_prop:property_service set;
 
 # System server dynamically loads some dexfiles
-allow system_server dex2oat_exec:file rx_file_perms;
+# allow system_server dex2oat_exec:file rx_file_perms;