[logdog] Don't promote dev upload.

The Makefile forgot to set the "--no-promote" flag when uploading the
dev static instance.

TBR=hinoka@chromium.org
BUG=None
TEST=None

Review-Url: https://codereview.chromium.org/2990133002

logdog/appengine/cmd/coordinator/Makefile

diff --git a/logdog/appengine/cmd/coordinator/Makefile b/logdog/appengine/cmd/coordinator/Makefile
index 2312727..a7240df 100644
--- a/logdog/appengine/cmd/coordinator/Makefile
+++ b/logdog/appengine/cmd/coordinator/Makefile
@@ -134,4 +134,5 @@
 			--project $(CLOUD_PROJECT) \
 			--version "dev" \
 			--quiet \
+			--no-promote \
 			static/module-static.yaml