Merge "Allow system server to access bpf fs" into pi-dev

private/system_server.te

@@ -756,6 +756,7 @@ with_asan(`
 
 # allow system_server to read the eBPF maps that stores the traffic stats information amd clean up
 # the map after snapshot is recorded
+allow system_server fs_bpf:dir search;
 allow system_server fs_bpf:file read;
 allow system_server netd:bpf map_read;