Fix script to display cleanup message

Change-Id: Iada02f1aa90c5facbf6ac1068d5afaba85fbf056
diff --git a/cleanup.sh b/cleanup.sh
index 9997fa6..c303445 100755
--- a/cleanup.sh
+++ b/cleanup.sh
@@ -13,3 +13,4 @@
 rm -r assets
 rm -r search
 
+echo "Finished cleaning. Copy the new artifacts here."