Fix attachment load op in framebuffer compatible render pass tests

If image layout is VK_LAYOUT_UNDEFINED the loadOp of
VkAttachmentDescription must not be VK_ATTACHMENT_LOAD_OP_LOAD

Components: Vulkan

VK-GL-CTS issue:3948

Affected tests:
dEQP-VK.api.pipeline.renderpass.framebuffer_compatible_renderpass

Change-Id: I4b31df7fa9ca56d9c31af1326b8036f81e9d80fe
diff --git a/external/vulkancts/modules/vulkan/api/vktApiPipelineTests.cpp b/external/vulkancts/modules/vulkan/api/vktApiPipelineTests.cpp
index 5533e49..85a080a 100644
--- a/external/vulkancts/modules/vulkan/api/vktApiPipelineTests.cpp
+++ b/external/vulkancts/modules/vulkan/api/vktApiPipelineTests.cpp
@@ -588,7 +588,7 @@
 	const Unique<VkFramebuffer>		frameBuffer				(createFramebuffer(vk, device, &framebufferCreateInfo));
 
 	const Unique<VkRenderPass>		renderPassB				(createSimpleRenderPass(vk, device, format,
-																					VK_ATTACHMENT_LOAD_OP_LOAD,
+																					VK_ATTACHMENT_LOAD_OP_DONT_CARE,
 																					VK_ATTACHMENT_LOAD_OP_LOAD,
 																					VK_ATTACHMENT_STORE_OP_STORE,
 																					VK_IMAGE_LAYOUT_GENERAL));