init.rc: allow all users to open the qtaguid misc dev

The netfilter xt_qtaguid module uses a misc dev so that processes
that use the module can be tracked.
Every process that does socket tagging must open that dev.

Change-Id: I6af3e0f0180637b14455dd9607724523f142c402

rootdir/init.rc

@@ -84,6 +84,10 @@ loglevel 3
     # 5.0 %
     write /dev/cpuctl/bg_non_interactive/cpu.shares 52
 
+# Allow everybody to read the xt_qtaguid resource tracking misc dev.
+# This is needed by any process that uses socket tagging.
+    chmod 0644 /dev/xt_qtaguid
+
 on fs
 # mount mtd partitions
     # Mount /system rw first to give the filesystem a chance to save a checkpoint