Fix build break in master/chromium-dev

A cleanspec is needed in frameworks/base. Add it.

Change-Id: I205cbab5e52db0a5f4841c4f072479972907f0ca
diff --git a/CleanSpec.mk b/CleanSpec.mk
index a94252d..ebf5de9 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -171,6 +171,7 @@
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework-base_intermediates/src/core/java/android/print/)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework-base_intermediates/src/core/java/android/printservice/)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework-base_intermediates/src/packages/services/Proxy/)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework-base_intermediates)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************