Add mac-mojo-rel to the other milo console.

Bug: 878082
Change-Id: Iaa92ae14c3d64b8cfee0628080c7a4377397741e
Reviewed-on: https://chromium-review.googlesource.com/c/1282217
Reviewed-by: Ben Pastene <bpastene@chromium.org>
Commit-Queue: John Budorick <jbudorick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#600011}
diff --git a/infra/config/global/luci-milo.cfg b/infra/config/global/luci-milo.cfg
index a8e3cba..552a6cd 100644
--- a/infra/config/global/luci-milo.cfg
+++ b/infra/config/global/luci-milo.cfg
@@ -3086,6 +3086,11 @@
     short_name: "lnx"
   }
   builders {
+    name: "buildbucket/luci.chromium.ci/mac-mojo-rel"
+    category: "mojo"
+    short_name: "mac"
+  }
+  builders {
     name: "buildbot/chromium.fyi/Mojo Windows"
     name: "buildbucket/luci.chromium.ci/Mojo Windows"
     category: "mojo"