Move perfprofd to late_start class.

Bug: http://b/19483574
Change-Id: I88649b50b95cbddb7d0671a5499232cbef156c48
(cherry picked from commit e8efd0d6bf41527d67a402ed3a945a8c5f75f10d)
diff --git a/rootdir/init.rc b/rootdir/init.rc
index d44f98b..d501141 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -657,10 +657,7 @@
     disabled
     oneshot
 
-on property:ro.debuggable=1
-    start perfprofd
-
 service perfprofd /system/xbin/perfprofd
-    disabled
+    class late_start
     user root
     oneshot