Bump classes/system

Change-Id: I783f438ba5cd6def23525bd9dbe2a42c58343715
diff --git a/classes/system b/classes/system
index b30ffd8..bc49d34 160000
--- a/classes/system
+++ b/classes/system
@@ -1 +1 @@
-Subproject commit b30ffd8f4b675aff251e9e851dd6267c4fe894b3
+Subproject commit bc49d346f1ac5df1bae934264aa95b1dc19e596b