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/26.0/26.0.ignore.cil b/private/compat/26.0/26.0.ignore.cil
index d99c58f..ae36f1c 100644
--- a/private/compat/26.0/26.0.ignore.cil
+++ b/private/compat/26.0/26.0.ignore.cil
@@ -82,6 +82,7 @@
     mediaextractor_update_service
     mediaprovider_tmpfs
     metadata_file
+    mnt_product_file
     mnt_vendor_file
     netd_stable_secret_prop
     network_watchlist_data_file