vulkan: Update from version 0.172.2 to 0.174.0

Change-Id: If89614476735e5fb83cbeb4cf473e32e6f0cc386
(cherry picked from commit 18896311f868ab1b2b8a9a6ca34de4c0de6cf0d7)
diff --git a/vulkan/libvulkan/loader.h b/vulkan/libvulkan/loader.h
index 6999e1e..1ffbdd5 100644
--- a/vulkan/libvulkan/loader.h
+++ b/vulkan/libvulkan/loader.h
@@ -173,8 +173,7 @@
     PFN_vkCmdFillBuffer CmdFillBuffer;
     PFN_vkCmdClearColorImage CmdClearColorImage;
     PFN_vkCmdClearDepthStencilImage CmdClearDepthStencilImage;
-    PFN_vkCmdClearColorAttachment CmdClearColorAttachment;
-    PFN_vkCmdClearDepthStencilAttachment CmdClearDepthStencilAttachment;
+    PFN_vkCmdClearAttachments CmdClearAttachments;
     PFN_vkCmdResolveImage CmdResolveImage;
     PFN_vkCmdSetEvent CmdSetEvent;
     PFN_vkCmdResetEvent CmdResetEvent;