JIT default opt-in

Bug: 17950037

(cherry picked from commit 2a2a03046ecea689ff8cc86b80c27c24905c2d60)

Change-Id: I97fd6b1797e54ad3dea1930889f32a717543490d
diff --git a/CleanSpec.mk b/CleanSpec.mk
index bfa236c..c0fe216 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -334,6 +334,11 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
 
+# Adding dalvik.vm.usejit
+$(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
 # ************************************************