Allow rule to let settings access apex files

In order to show licensing information, we need to read it from
an asset stored in the .apex file.

Bug: 135183006
Test: Manual; settings can access apex files stored on /data
Change-Id: I71fbde6e295d9c890c9b9b0449e5150834a6680e
diff --git a/private/system_server.te b/private/system_server.te
index 1626fab..33d0032 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -1022,7 +1022,7 @@
 # needs these privileges to compare file signatures while processing installs.
 #
 # Only apexd is allowed to create new entries or write to any file under /data/apex.
-allow system_server apex_data_file:dir search;
+allow system_server apex_data_file:dir { getattr search };
 allow system_server apex_data_file:file r_file_perms;
 
 # Allow PasswordSlotManager rw access to /metadata/password_slots, so GSIs and the host image can