Allow dumpstate to read the list of routing tables.

Change-Id: I55475c08c5e43bcf61af916210e680c47480ac32
diff --git a/dumpstate.te b/dumpstate.te
index 2221222..279fd98 100644
--- a/dumpstate.te
+++ b/dumpstate.te
@@ -92,3 +92,7 @@
 # logd access
 read_logd(dumpstate)
 control_logd(dumpstate)
+
+# Read network state info files.
+allow dumpstate net_data_file:dir search;
+allow dumpstate net_data_file:file r_file_perms;