Sepolicy for rw mount point for product extensions.

Bug: 110808288
Test: device boots with /mnt/product present and selinux label
      mnt_product_file applied correctly.

Change-Id: I596e4b79285fe1a79d31ad1b07f4bcffe6a6cd98
diff --git a/private/compat/27.0/27.0.ignore.cil b/private/compat/27.0/27.0.ignore.cil
index 9b82f35..4530df4 100644
--- a/private/compat/27.0/27.0.ignore.cil
+++ b/private/compat/27.0/27.0.ignore.cil
@@ -68,6 +68,7 @@
     lowpan_service
     mediaextractor_update_service
     metadata_file
+    mnt_product_file
     mnt_vendor_file
     network_watchlist_data_file
     network_watchlist_service