Don't notify on bot code submissions

BUG=chromium:937586
TEST=None

Change-Id: I7aae52fafced45d8cb1a0f3d47dbe095ba792514
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/+/1935945
Tested-by: Sean Abraham <seanabraham@chromium.org>
Auto-Submit: Sean Abraham <seanabraham@chromium.org>
Reviewed-by: Mike Nichols <mikenichols@chromium.org>
Commit-Queue: Mike Nichols <mikenichols@chromium.org>
diff --git a/project.config b/project.config
index d8271bf..c351a5f 100644
--- a/project.config
+++ b/project.config
@@ -163,8 +163,9 @@
 [notify "chromium-os-checkins"]
 	email = chromium-os-checkins@chromium.org
 	type = submitted_changes
+	filter = (-owner:chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com AND -owner:chromeos-staging@chromeos-bot.iam.gserviceaccount.com AND -owner:3su6n15k.default@developer.gserviceaccount.com)
 [notify "chromium-os-reviews"]
 	email = chromium-os-reviews@chromium.org
-	filter = (-owner:chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com AND -owner:3su6n15k.default@developer.gserviceaccount.com)
+	filter = (-owner:chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com AND -owner:chromeos-staging@chromeos-bot.iam.gserviceaccount.com AND -owner:3su6n15k.default@developer.gserviceaccount.com)
 [plugin "find-owners"]
 	rejectErrorInOwners = true