Make dex2oat heap size product configurable [build]

Bug: 15919420
Change-Id: If92318a6e3d5b9c8c6a2d08a3371386fa5ad8f45
diff --git a/CleanSpec.mk b/CleanSpec.mk
index dae2b35..7b317e2 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -239,6 +239,11 @@
 # Change ro.zygote for core_64_bit.mk from zygote32_64 to zygote64_32
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/default.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/recovery/root/default.prop)
+
+# Adding dalvik.vm.dex2oat-Xms, dalvik.vm.dex2oat-Xmx
+# dalvik.vm.image-dex2oat-Xms, and dalvik.vm.image-dex2oat-Xmx
+$(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
 # ************************************************