Remove stale .bc intermediates.

Change-Id: Ib672e4f4eff39c2e086bced15ad32f688be29ec2
diff --git a/CleanSpec.mk b/CleanSpec.mk
index a7ef88d..e33480f 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -57,6 +57,7 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libclcore_neon.bc_intermediates)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libclcore*.bc_intermediates)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libbcinfo_intermediates)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libclcore*.bc_intermediates)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST