Run video_decode_accelerator_unittest on windows GPU bots.

testing/buildbot/gn_isolate_map.pyl

Index: testing/buildbot/gn_isolate_map.pyl
diff --git a/testing/buildbot/gn_isolate_map.pyl b/testing/buildbot/gn_isolate_map.pyl
index 1904a63db1c5f6197b0e5a62ad99fdb2cf5f947e..f7dd9af233742b16a5c43c4cc47198c32598f0b3 100644
--- a/testing/buildbot/gn_isolate_map.pyl
+++ b/testing/buildbot/gn_isolate_map.pyl
@@ -951,6 +951,12 @@
     "label": "//url:url_unittests",
     "type": "console_test_launcher",
   },
+
+  "video_decode_accelerator_unittest": {
+    "label": "//media/gpu:video_decode_accelerator_unittest",
+    "type": "raw",
+    "args": ["--test_video_data=../../media/test/data/test-25fps.h264:320:240:250:258:50:175:1"],
+  },
   "views_aura_mus_unittests": {
     "label": "//ui/views/mus:views_aura_mus_unittests",
     "type": "windowed_test_launcher",