storaged: fix selinux dac_override denial

Bug: 35250057
Bug: 34198239
Change-Id: I18592d298765dc46ab05f25ae2ced0a5eddacc8b
diff --git a/storaged/storaged.rc b/storaged/storaged.rc
index 53fdb85..bb7c623 100644
--- a/storaged/storaged.rc
+++ b/storaged/storaged.rc
@@ -2,3 +2,5 @@
     class main
     file /d/mmc0/mmc0:0001/ext_csd r
     writepid /dev/cpuset/system-background/tasks
+    user root
+    group system package_info
\ No newline at end of file