loader: Add vkGetPhysicalDevice*PresentationSupportKHR()

These queries involve trampoline and terminator functions (the latter
of which calls the ICD's function).
diff --git a/include/vulkan/vk_layer.h b/include/vulkan/vk_layer.h
index 133b873..1e1c252 100644
--- a/include/vulkan/vk_layer.h
+++ b/include/vulkan/vk_layer.h
@@ -176,18 +176,23 @@
     PFN_vkGetPhysicalDeviceSurfacePresentModesKHR GetPhysicalDeviceSurfacePresentModesKHR;
 #ifdef VK_USE_PLATFORM_MIR_KHR
     PFN_vkCreateMirSurfaceKHR CreateMirSurfaceKHR;
+    PFN_vkGetPhysicalDeviceMirPresentationSupportKHR GetPhysicalDeviceMirPresentationSupportKHR;
 #endif
 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
     PFN_vkCreateWaylandSurfaceKHR CreateWaylandSurfaceKHR;
+    PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR GetPhysicalDeviceWaylandPresentationSupportKHR;
 #endif
 #ifdef VK_USE_PLATFORM_WIN32_KHR
     PFN_vkCreateWin32SurfaceKHR CreateWin32SurfaceKHR;
+    PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR GetPhysicalDeviceWin32PresentationSupportKHR;
 #endif
 #ifdef VK_USE_PLATFORM_XCB_KHR
     PFN_vkCreateXcbSurfaceKHR CreateXcbSurfaceKHR;
+    PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR GetPhysicalDeviceXcbPresentationSupportKHR;
 #endif
 #ifdef VK_USE_PLATFORM_XLIB_KHR
     PFN_vkCreateXlibSurfaceKHR CreateXlibSurfaceKHR;
+    PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR GetPhysicalDeviceXlibPresentationSupportKHR;
 #endif
     PFN_vkDbgCreateMsgCallback DbgCreateMsgCallback;
     PFN_vkDbgDestroyMsgCallback DbgDestroyMsgCallback;