netd/netutils_wrapper/network_stack/system_server - allow getattr on bpf progs/maps

This is so that we can potentially verify that things
are setup right.

Test: TreeHugger
Bug: 275209284
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I59a49cbece2710345fff0b2fb98e32f4e5f3af44
diff --git a/private/system_server.te b/private/system_server.te
index 27e5594..8d7057c 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -1175,7 +1175,7 @@
 # the map after snapshot is recorded, and to read, update and run the maps and programs used for
 # time in state accounting
 allow system_server { fs_bpf fs_bpf_net_shared fs_bpf_netd_readonly fs_bpf_netd_shared }:dir search;
-allow system_server { fs_bpf fs_bpf_net_shared fs_bpf_netd_readonly fs_bpf_netd_shared }:file { read write };
+allow system_server { fs_bpf fs_bpf_net_shared fs_bpf_netd_readonly fs_bpf_netd_shared }:file { getattr read write };
 allow system_server bpfloader:bpf { map_read map_write prog_run };
 # in order to invoke side effect of close() on such a socket calling synchronize_rcu()
 allow system_server self:key_socket create;