make console shell run as GID=shell

Change-Id: I240bec07b04de1b26eef14e4f590af56c1aaa276
diff --git a/rootdir/init.rc b/rootdir/init.rc
index e3a3017..9aa52db 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -468,7 +468,7 @@
     console
     disabled
     user shell
-    group log
+    group shell log
     seclabel u:r:shell:s0
 
 on property:ro.debuggable=1