Swarm mash_unittests

BUG=606013
TEST=test only change
[email protected]

Review-Url: https://codereview.chromium.org/1919543002
Cr-Commit-Position: refs/heads/master@{#390679}
diff --git a/testing/buildbot/gn_isolate_map.pyl b/testing/buildbot/gn_isolate_map.pyl
index edd32d97..c6d0c9e 100644
--- a/testing/buildbot/gn_isolate_map.pyl
+++ b/testing/buildbot/gn_isolate_map.pyl
@@ -430,7 +430,7 @@
   },
   "mash_unittests": {
     "label": "//mash:mash_unittests",
-    "type": "unknown",
+    "type": "windowed_test_launcher",
   },
   "mus_gpu_unittests": {
     "label": "//components/mus/gpu:mus_gpu_unittests",