Dontaudit zygote to read and open media_rw_data_file dir

Zygote will trigger sdcardfs to read and open media_rw_data_file:dir.
We can safely ignore this message.

Bug: 177248242
Test: Able to boot without selinux warning.
Change-Id: Ie9723ac79547bf857f55fc0e60b461210a4e4557
diff --git a/private/zygote.te b/private/zygote.te
index 83323c9..5f24115 100644
--- a/private/zygote.te
+++ b/private/zygote.te
@@ -197,9 +197,11 @@
 # undesirable, so suppress the denial.
 dontaudit zygote self:global_capability_class_set { sys_resource fsetid };
 
-# Ignore spurious denials calling access() on fuse
+# Ignore spurious denials calling access() on fuse.
+# Also ignore read and open as sdcardfs may read and open dir when app tries to access a dir that
+# doesn't exist.
 # TODO(b/151316657): avoid the denials
-dontaudit zygote media_rw_data_file:dir setattr;
+dontaudit zygote media_rw_data_file:dir  { read open setattr };
 
 # Allow zygote to use ashmem fds from system_server.
 allow zygote system_server:fd use;