Adding bug map entry for surfaceflinger denial

Test: the surfaceflinger denial is properly tagged
Change-Id: I734aa3880491504c2c7e73236bda11e3cd111384
diff --git a/sepolicy/vendor/bug_map b/sepolicy/vendor/bug_map
index c156f28..a7b5b54 100644
--- a/sepolicy/vendor/bug_map
+++ b/sepolicy/vendor/bug_map
@@ -2,3 +2,4 @@
 zygote cgroup file 67860826
 shell ramdump_exec file 68002524
 system_server sysfs_msm_subsys dir 68003344
+surfaceflinger vendor_firmware_file dir 68213100