Add more cleanspecs for the property files, fixing ro.secure.

Change-Id: Iae47959c25ca9779df7679528d1d61ebd3c48b50
diff --git a/CleanSpec.mk b/CleanSpec.mk
index ffa7e77..3fa5463 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -52,6 +52,8 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libmedia_jni_intermediates)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libstagefright_omx_intermediates)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST