vulkan: move GetDeviceQueue_Bottom

Move it from loader.cpp to driver.cpp and rename it to
driver::GetDeviceQueue.  No functional change.

Change-Id: Ide8ebe044e62b8ef6fc64ac03dcc1d920f5bf9a6
diff --git a/vulkan/libvulkan/code-generator.tmpl b/vulkan/libvulkan/code-generator.tmpl
index 23c2717..4ec13a0 100644
--- a/vulkan/libvulkan/code-generator.tmpl
+++ b/vulkan/libvulkan/code-generator.tmpl
@@ -834,6 +834,8 @@
 
         {{if eq $.Name "vkGetDeviceProcAddr"}}
           reinterpret_cast<PFN_vkVoidFunction>({{$base}}),
+        {{else if eq $.Name "vkGetDeviceQueue"}}
+          reinterpret_cast<PFN_vkVoidFunction>({{$base}}),
         {{else}}
           reinterpret_cast<PFN_vkVoidFunction>({{$base}}_Bottom),
         {{end}}