MR1 is version 4.1, API 15.

Change-Id: I5f31630b17121ce43b3c60d43409069640e4d97a
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 62a3a09..ffe106c 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -103,6 +103,10 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/JAVA_LIBRARIES/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/framework/*)
 $(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 $(PRODUCT_OUT)/obj/APPS/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libbcinfo_intermediates)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST