Update singleusergroup plugin

* Use account index to suggest user groups

Change-Id: I48fa6358708b14bed97ca54a5aefcb4c407c5577
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/plugins/singleusergroup b/plugins/singleusergroup
index b355c90..3ca1167 160000
--- a/plugins/singleusergroup
+++ b/plugins/singleusergroup
@@ -1 +1 @@
-Subproject commit b355c909345e3ccf5ebb139ded538e35cbdbb67c
+Subproject commit 3ca1167edda713f4bfdcecd9c0e2626797d7027f