Clean step for the move of SearchableInfo to android.app

This is part of http://b/issue?id=2270838

Change-Id: I4f70549f0a15e5c90fa5297a2af9f872bb5312a1
diff --git a/cleanspec.mk b/cleanspec.mk
index da6f94f..02c36d1 100644
--- a/cleanspec.mk
+++ b/cleanspec.mk
@@ -123,6 +123,7 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST