Update version to MNC.

Change-Id: I67a69efa90babcfbc3e83907e46be0833c0ddcdd
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 5b18d44..bfa236c 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -329,6 +329,11 @@
 # instead.
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 
+# On to MNC
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************