Move from dalvik.vm.image-dex2oat-flags to dalvik.vm.dex2oat-filter [build]

This will allow us to conditionally change the compiler-filter based on other properties.

Bug: 15165413

(cherry picked from commit 4d30e5e2604a77df2acd41e36cbca54cd42cbf0a)

Change-Id: I84e8038c6536291e6775f39b33556b8169fdf292
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 4e90c90..3918fce 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -283,6 +283,12 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
 
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system)
+
+# Adding dalvik.vm.dex2oat-filter
+$(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
 # ************************************************