Use bpfloader to create bpf maps instead of netd

Recent change in netd and bpfloader switched the creater of bpf maps
from netd to bpfloader. Change the rules related to it to make sure it
doesn't fail.

Test: dumpsys netd trafficcontroller
Bug: 112334572
Change-Id: I016ff68b58ef7b12bdfdebc2fd178be1d0206a62
diff --git a/private/netd.te b/private/netd.te
index 281105d..711d569 100644
--- a/private/netd.te
+++ b/private/netd.te
@@ -11,5 +11,6 @@
 # Allow netd to start bpfloader_exec in its own domain
 domain_auto_trans(netd, bpfloader_exec, bpfloader)
 
-# give netd permission to setup iptables rule with xt_bpf
-allow netd bpfloader:bpf prog_run;
+# give netd permission to setup iptables rule with xt_bpf, attach program to cgroup, and read/write
+# the map created by bpfloader
+allow netd bpfloader:bpf { prog_run map_read map_write };