$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
+# L development
+$(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 $(PRODUCT_OUT)/obj/APPS/*)
+
+# L development
+$(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/*)
+
+ # Add ro.product.cpu.abilist{32,64} to build.prop.
+ $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+
# ************************************************
# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
# ************************************************