Clean generated java files since framework intermediates has partially moved.

Change-Id: I89dea945e1c931e26985a6af7bf54ede93d2ee33
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 461aff4..d4024cf 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -181,6 +181,9 @@
 # Clean up around the /system/app -> /system/priv-app migration
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
 
+# Clean up old location of generated Java files from aidl
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************