selinux: Allow dumpstate send signals to vold

Test: adb bugreport
Test: verified vold stacktrace is present in bugreport
Bug: 132344997
Change-Id: I0ebf7f171d854b9aaf894ccb8c7a5f68f18e692b
Merged-In: I0ebf7f171d854b9aaf894ccb8c7a5f68f18e692b
(cherry picked from commit f7c3d19d294b166012d699899bfa190ac30f9d60)
diff --git a/public/dumpstate.te b/public/dumpstate.te
index 2906b5b..614e1b8 100644
--- a/public/dumpstate.te
+++ b/public/dumpstate.te
@@ -72,6 +72,7 @@
   mediaswcodec
   sdcardd
   surfaceflinger
+  vold
 
   # This list comes from hal_interfaces_to_dump in dumputils/dump_utils.c
   hal_audio_server