cleanbuild: switch to *.zip.md5sum to installclean_files

Change-Id: I3b41f1e417b30fa79298707152ad6d428529ac58
diff --git a/ui/build/cleanbuild.go b/ui/build/cleanbuild.go
index 251c955..46e38c9 100644
--- a/ui/build/cleanbuild.go
+++ b/ui/build/cleanbuild.go
@@ -125,7 +125,7 @@
 		hostCommonOut("obj/PACKAGING"),
 		productOut("*.img"),
 		productOut("*.zip"),
-		productOut("*.zip.sha256sum"),
+		productOut("*.zip.md5sum"),
 		productOut("android-info.txt"),
 		productOut("misc_info.txt"),
 		productOut("apex"),