Remove Disco video from builds.

Bug: 6294985
Change-Id: Idde6148b94a55a27740f3b4f82c2038272f06628
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 539b84e..0d8a7cd 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -132,6 +132,7 @@
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/core/java/android/accessibilityservice/IAccessibilityServiceClientCallback.java)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/core/java/android/accessibilityservice/IAccessibilityServiceClientCallback.P)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/core/java/android/accessibilityservice/IAccessibilityServiceClient.P)
+$(call add-clean-step, rm -f $(PRODUCT_OUT)/system/media/video/Disco*)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************