Suppress vulkan validation layers bug.

This is a bug in the layers related to input attachments.

Change-Id: I1e44c45ce44bea79e7078836150237a6c63cbb36
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/324625
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Auto-Submit: Greg Daniel <egdaniel@google.com>

Author: egdaniel

tools/gpu/vk/VkTestUtils.cpp

@@ -117,6 +117,10 @@ VKAPI_ATTR VkBool32 VKAPI_CALL DebugReportCallback(
             strstr(pMessage, "VUID-VkGraphicsPipelineCreateInfo-pDynamicStates-01522")) {
             return VK_FALSE;
         }
+        // See https://github.com/KhronosGroup/Vulkan-ValidationLayers/issues/2171
+        if (strstr(pMessage, "VUID-vkCmdDraw-None-02686")) {
+            return VK_FALSE;
+        }
         SkDebugf("Vulkan error [%s]: code: %d: %s\n", pLayerPrefix, messageCode, pMessage);
         print_backtrace();
         SkDEBUGFAIL("Vulkan debug layer error");