Clean frameworks after replacing IDropBox.aidl with
IDropBoxService.aidl, which causes some build confusion
with dependencies and Parcelables and so on.

(Will be checked in immediately after the change in question)
diff --git a/cleanspec.mk b/cleanspec.mk
index ba85378..ea6c75d 100644
--- a/cleanspec.mk
+++ b/cleanspec.mk
@@ -103,6 +103,7 @@
 $(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 $(PRODUCT_OUT)/system/build.prop)
+$(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