Disable BackdropFilterBlurOffAxis/SkiaDawn test

Tbr: kylechar@chromium.org
Bug: 1126617
Change-Id: I98a8cb91df5366e38414a58581f4a80741cfafa5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2402162Reviewed-by: Sean Gilhuly <sgilhuly@chromium.org>
Reviewed-by: kylechar <kylechar@chromium.org>
Commit-Queue: Sean Gilhuly <sgilhuly@chromium.org>
Cr-Commit-Position: refs/heads/master@{#805508}

cc/trees/layer_tree_host_pixeltest_filters.cc

@@ -383,9 +383,19 @@ class LayerTreeHostBlurFiltersPixelTestGPULayerList
   }
 };
 
+// TODO(sgilhuly): Enable these tests for Skia Dawn, and switch over to using
+// kRendererTypesGpu.
+viz::RendererType const kRendererTypesGpuNonDawn[] = {
+    viz::RendererType::kGL,
+    viz::RendererType::kSkiaGL,
+#if BUILDFLAG(ENABLE_VULKAN_BACKEND_TESTS)
+    viz::RendererType::kSkiaVk,
+#endif  // BUILDFLAG(ENABLE_VULKAN_BACKEND_TESTS)
+};
+
 INSTANTIATE_TEST_SUITE_P(PixelResourceTest,
                          LayerTreeHostBlurFiltersPixelTestGPULayerList,
-                         ::testing::ValuesIn(kRendererTypesGpu),
+                         ::testing::ValuesIn(kRendererTypesGpuNonDawn),
                          ::testing::PrintToStringParamName());
 
 TEST_P(LayerTreeHostBlurFiltersPixelTestGPULayerList,