Temporarily disable maps_pixel_test on win_gpu_triggered_tests.

scripts/slave/recipe_modules/gpu/api.py

Index: scripts/slave/recipe_modules/gpu/api.py
diff --git a/scripts/slave/recipe_modules/gpu/api.py b/scripts/slave/recipe_modules/gpu/api.py
index 11c509972584b2521f554bf4fb2244ec0e274135..7783690aaadde7c028ec3a2f19d3c72b6e66dee5 100644
--- a/scripts/slave/recipe_modules/gpu/api.py
+++ b/scripts/slave/recipe_modules/gpu/api.py
@@ -230,14 +230,16 @@ class GpuApi(recipe_api.RecipeApi):
       yield self._run_isolate(test, args=['--use-gpu-in-tests'])
 
     # Google Maps Pixel tests.
-    yield self._run_isolated_telemetry_gpu_test(
-      'maps', name='maps_pixel_test',
-      args=[
-        '--build-revision',
-        str(self._build_revision),
-        '--test-machine-name',
-        self.m.properties['buildername']
-      ])
+    # TODO(kbr): re-enable on Win try servers. crbug.com/395914
+    if not (self.m.platform.is_win and self.m.tryserver.is_tryserver):
+      yield self._run_isolated_telemetry_gpu_test(
+        'maps', name='maps_pixel_test',
+        args=[
+          '--build-revision',
+          str(self._build_revision),
+          '--test-machine-name',
+          self.m.properties['buildername']
+        ])
 
     # Pixel tests.
     # Try servers pull their results from cloud storage; the other