Sepolicy for rw mount point for vendors.

Bug: 64905218
Test: device boots with /mnt/vendor present and selinux label
mnt_vendor_file applied correctly.
Change-Id: Ib34e2859948019d237cf2fe8f71845ef2533ae27
Merged-In: Ib34e2859948019d237cf2fe8f71845ef2533ae27
(cherry picked from commit 210a805b46782a2a49bf5338732cf8c6abaf95de)
diff --git a/private/compat/26.0/26.0.ignore.cil b/private/compat/26.0/26.0.ignore.cil
index 68d6b40..bc31452 100644
--- a/private/compat/26.0/26.0.ignore.cil
+++ b/private/compat/26.0/26.0.ignore.cil
@@ -66,6 +66,7 @@
     lowpan_service
     mediaextractor_update_service
     mediaprovider_tmpfs
+    mnt_vendor_file
     netd_stable_secret_prop
     network_watchlist_data_file
     network_watchlist_service