Revert "Disable Crankshaft for performance testing."

This reverts commit 13fdc5013628214a3157970deba6e2b6a621892a.

Enable Crankshaft again.

Bug: 5052287
Change-Id: Ie4352dbc73ab1534d4b09ee0ff570a571f4335ef
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 6a95da9..d2b89d2 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -60,6 +60,10 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libv8_intermediates)
 $(call add-clean-step, rm -rf $(OUT_DIR)/host/$(HOST_OS)-$(HOST_ARCH)/bin/mksnapshot)
 $(call add-clean-step, rm -rf $(OUT_DIR)/host/$(HOST_OS)-$(HOST_ARCH)/obj/EXECUTABLES/mksnapshot_intermediates)
+
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libv8_intermediates)
+$(call add-clean-step, rm -rf $(OUT_DIR)/host/$(HOST_OS)-$(HOST_ARCH)/bin/mksnapshot)
+$(call add-clean-step, rm -rf $(OUT_DIR)/host/$(HOST_OS)-$(HOST_ARCH)/obj/EXECUTABLES/mksnapshot_intermediates)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************