sm8450-common: sepolicy: Drop label of wlan_mac.bin in persist

ueventd wants to load it and neverallows forbid to allow ueventd to access the new type.

Change-Id: I8cf246860cfc40bdf1706dec79ab5f2df0ba1881

sepolicy/vendor/file_contexts

@@ -63,7 +63,6 @@
 
 # Mac Address
 /data/vendor/mac_addr(/.*)? u:object_r:vendor_mac_vendor_data_file:s0
-/mnt/vendor/persist/qca6490/wlan_mac\.bin u:object_r:vendor_mac_vendor_data_file:s0
 /vendor/bin/nv_mac u:object_r:vendor_wcnss_service_exec:s0
 
 # Mlipay

sepolicy/vendor/wcnss_service.te

@@ -4,3 +4,5 @@ allow vendor_wcnss_service sysfs_net:file read;
 allow vendor_wcnss_service mnt_vendor_file:dir search;
 allow vendor_wcnss_service vendor_mac_vendor_data_file:dir create_dir_perms;
 allow vendor_wcnss_service vendor_mac_vendor_data_file:file create_file_perms;
+allow vendor_wcnss_service mnt_vendor_file:dir create_dir_perms;
+allow vendor_wcnss_service mnt_vendor_file:file create_file_perms;