init now uses libprocessgroup, so set up /acct.

Change-Id: Iec1492dfaf2ceae6f4d8618dd725d07316ee960b
diff --git a/etc/init.rc b/etc/init.rc
index 5915b8d..29b088d 100644
--- a/etc/init.rc
+++ b/etc/init.rc
@@ -14,6 +14,9 @@
 
     symlink /system/etc /etc
 
+    mount cgroup none /acct cpuacct
+    mkdir /acct/uid
+
     mkdir /sdcard
     mkdir /system
     mkdir /data