Vulkan: Suppress VUID-vkCmdDraw-blendEnable

A new VVL causes failures in BlendIntegerTest.MRT*

Bug: angleproject:6355
Change-Id: If62b1a7934574acaeb95601d7fb0a61dc5d9c99a
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3140159
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
diff --git a/src/libANGLE/renderer/vulkan/RendererVk.cpp b/src/libANGLE/renderer/vulkan/RendererVk.cpp
index 743f862..6eb44cb 100644
--- a/src/libANGLE/renderer/vulkan/RendererVk.cpp
+++ b/src/libANGLE/renderer/vulkan/RendererVk.cpp
@@ -185,6 +185,8 @@
     "VUID-vkCmdClearAttachments-baseArrayLayer-00018",
     // http://anglebug.com/6293
     "VUID-VkFramebufferCreateInfo-flags-04535",
+    // http://anglebug.com/6355
+    "VUID-vkCmdDraw-blendEnable-04727",
 };
 
 // Suppress validation errors that are known