Bug 4089635 mediaserver fewer supplementary groups

Change-Id: I90111567564397ca08e87dcfcbdf23337bf79ae6
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 7f5a38f..8e08ef3 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -406,7 +406,7 @@
 service media /system/bin/mediaserver
     class main
     user media
-    group system audio camera graphics inet net_bt net_bt_admin net_raw
+    group audio camera inet net_bt net_bt_admin
     ioprio rt 4
 
 service bootanim /system/bin/bootanimation