Allow dumpstate to dump incidentd

An incident.proto section has been added to the bugreport. Need
appropriate sepolicy changes to allow binder calls and fd access.

Bug: 119417232
Test: adb bugreport. Verify incident.proto is in the proto folder,
      and there are no sepolicy violations.

Change-Id: Iac27cbf283a2e1cb41862c76343c2b639f6c0e1e
diff --git a/private/incident_helper.te b/private/incident_helper.te
index 078aa24..b453855 100644
--- a/private/incident_helper.te
+++ b/private/incident_helper.te
@@ -6,8 +6,8 @@
 domain_auto_trans(incidentd, incident_helper_exec, incident_helper)
 
 # use pipe to transmit data from/to incidentd/incident_helper for parsing
-allow incident_helper { shell incident incidentd }:fd use;
-allow incident_helper { shell incident incidentd }:fifo_file { getattr read write };
+allow incident_helper { shell incident incidentd dumpstate }:fd use;
+allow incident_helper { shell incident incidentd dumpstate }:fifo_file { getattr read write };
 allow incident_helper incidentd:unix_stream_socket { read write };
 
 # only allow incidentd and shell to call incident_helper