[goma] Re-enabled window ATS support on prod

This change re-enable windows ATS support that was disabled due
to a recent rollback.

Change-Id: I1c1a94f7707a2ab0b8055d7d9024729b3dfb2f9b
Reviewed-on: https://fuchsia-review.googlesource.com/c/infra/config/+/405858
Reviewed-by: Petr Hosek <phosek@google.com>
diff --git a/goma/k8s/rbe-prod1/goma/configmap.toolchain-config.yaml b/goma/k8s/rbe-prod1/goma/configmap.toolchain-config.yaml
index c92633c..69d9855 100644
--- a/goma/k8s/rbe-prod1/goma/configmap.toolchain-config.yaml
+++ b/goma/k8s/rbe-prod1/goma/configmap.toolchain-config.yaml
@@ -25,4 +25,23 @@
        >
      >
    >
-
+   runtimes <
+     name: "fuchsia_win"
+     platform_runtime_config <
+      dimensions: "os:win"
+     >
+     platform <
+       properties <
+         name: "OSFamily"
+         value: "Windows"
+       >
+       properties <
+         name: "container-image"
+         value: "docker://gcr.io/fuchsia-toolchain-images-gcr/fuchsia_win/remoteexec-platform@sha256:fe1b853cc9240f829841b3f5426f1296230b294b545e5fbf2c6a83b7ec6d2e9b"
+       >
+       properties <
+         name: "label:os"
+         value: "windows_2019"
+       >
+     >
+   >