Add noexcept to move constructors and assignment operators.

Bug: 116614593
Test: build with WITH_TIDY=1
Change-Id: I47101c362198665194f8b3248751caaa7da32505
diff --git a/vulkan/libvulkan/layers_extensions.h b/vulkan/libvulkan/layers_extensions.h
index 07ac1a3..1dae456 100644
--- a/vulkan/libvulkan/layers_extensions.h
+++ b/vulkan/libvulkan/layers_extensions.h
@@ -27,7 +27,7 @@
 class LayerRef {
    public:
     explicit LayerRef(const Layer* layer);
-    LayerRef(LayerRef&& other);
+    LayerRef(LayerRef&& other) noexcept;
     ~LayerRef();
     LayerRef(const LayerRef&) = delete;
     LayerRef& operator=(const LayerRef&) = delete;