Fix issue #3401380: Raise OOM killer limits

Change-Id: Ia9c82e7d31b7f1b89bf9650ebea697d9b3a64506
diff --git a/CleanSpec.mk b/CleanSpec.mk
index b84e1b65..069832d 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -47,3 +47,5 @@
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
+
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/init.rc)