Add CleanSpec.mk for change If98e456e779f8e97f562d99c57d909b1f5d9db55.

Change-Id: I0aeb6355ab856bdfaafba0d2ab13801c73a9cf44
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 8d34636..f3eaeeb 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -100,6 +100,7 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libstagefright_intermediates)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/core/java/android/os)
 $(call add-clean-step, rm -rf $(OUT_DIR)target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/keystore/java/android/security/IKeyChainAliasResponse.java)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/vpn)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************