sdm845-common: sepolicy: Copy over public_vendor_default_prop rules from qcom sepolicy

* This addresses many denials introduced by enabling
  vendor and system property isolation.

Change-Id: I24e04fc24be32698c7fdae4b28e90e9c20161a77

sepolicy/private/property.te

@@ -1 +1,2 @@
+type public_vendor_default_prop, property_type;
 type vendor_camera_prop, property_type;