Add incident command and incidentd daemon se policy.

Test: adb shell incident
Bug: 31122534
Change-Id: I4ac9c9ab86867f09b63550707673149fe60f1906
diff --git a/private/su.te b/private/su.te
index b594ebe..466bc0b 100644
--- a/private/su.te
+++ b/private/su.te
@@ -8,6 +8,9 @@
   # from the "init" domain.
   domain_auto_trans(su, dumpstate_exec, dumpstate)
 
+  # Put the incident command into its domain so it is the same on user, userdebug and eng.
+  domain_auto_trans(su, incident_exec, incident)
+
 # su is also permissive to permit setenforce.
   permissive su;