DO NOT MERGE - Bump version to 5.1.1

Bug: 19939307
Change-Id: I069f514fe6d3759aa7dde38627c54f7bed38c1bb
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 6e7c9b0..e706b9c 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -309,6 +309,11 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
 
+# 5.1.1!
+$(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
 # ************************************************