multisample-corruption.html is flaky on Win/AMD/Vulkan/Passthrough

conformance/rendering/multisample-corruption.html

It fails frequent enough, so just mark it as Fail.

BUG=1004581
TEST=bot
TBR=kbr@chromium.org

Change-Id: Iaffb3efa7bfbee23d25636915baa443e1ad31e51
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1808577Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Zhenyao Mo <zmo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#697070}

content/test/gpu/gpu_tests/test_expectations/webgl_conformance_expectations.txt

@@ -296,6 +296,7 @@ crbug.com/931016 [ win amd vulkan passthrough ] conformance/textures/image_bitma
 crbug.com/931016 [ win amd vulkan passthrough ] conformance/textures/image_bitmap_from_canvas/tex-2d-rgb* [ Failure ]
 crbug.com/974347 [ win amd vulkan passthrough ] conformance/textures/image/tex-2d-luminance-luminance-unsigned_byte.html [ Failure ]
 crbug.com/974347 [ win amd vulkan passthrough ] conformance/textures/image/tex-2d-luminance_alpha-luminance_alpha-unsigned_byte.html [ Failure ]
+crbug.com/1004581 [ win amd vulkan passthrough ] conformance/rendering/multisample-corruption.html [ Failure ]
 
 # Vulkan / Win / Intel / Passthrough command decoder
 crbug.com/angleproject/2909 [ win intel vulkan passthrough ] conformance/ogles/GL/faceforward/faceforward_001_to_006.html [ Failure ]