Vulkan: replace VK_LAYER_LUNARG_standard_validation with VK_LAYER_KHRONOS_validation

Layer name VK_LAYER_LUNARG_standard_validation is deprecated.
VK_LAYER_KHRONOS_validation is the suggested replacement.

Bug: none
Change-Id: If917a734fd86c28bddfda3e651b97990be95f5d3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1841232Reviewed-by: Jonathan Backer <backer@chromium.org>
Commit-Queue: Peng Huang <penghuang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#703300}

gpu/vulkan/vulkan_device_queue.cc

@@ -126,7 +126,7 @@ bool VulkanDeviceQueue::Initialize(
   }
 
   std::unordered_set<std::string> desired_layers({
-    "VK_LAYER_LUNARG_standard_validation",
+      "VK_LAYER_KHRONOS_validation",
   });
 
   for (const VkLayerProperties& layer_property : device_layers) {

gpu/vulkan/vulkan_instance.cc

@@ -155,11 +155,10 @@ bool VulkanInstance::Initialize(
                    [xlib_surface_extension_name](const char* e) {
                      return xlib_surface_extension_name == e;
                    }) != enabled_extensions.end();
-
-  // VK_LAYER_LUNARG_standard_validation 1.1.106 is required to support
+  // VK_LAYER_KHRONOS_validation 1.1.106 is required to support
   // VK_KHR_xlib_surface.
   constexpr base::StringPiece standard_validation(
-      "VK_LAYER_LUNARG_standard_validation");
+      "VK_LAYER_KHRONOS_validation");
   for (const VkLayerProperties& layer_property : layer_properties_) {
     if (standard_validation != layer_property.layerName)
       continue;