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.cpp b/vulkan/libvulkan/layers_extensions.cpp
index b32977a..009b257 100644
--- a/vulkan/libvulkan/layers_extensions.cpp
+++ b/vulkan/libvulkan/layers_extensions.cpp
@@ -78,7 +78,7 @@
           native_bridge_(false),
           refcount_(0) {}
 
-    LayerLibrary(LayerLibrary&& other)
+    LayerLibrary(LayerLibrary&& other) noexcept
         : path_(std::move(other.path_)),
           filename_(std::move(other.filename_)),
           dlhandle_(other.dlhandle_),
@@ -545,7 +545,7 @@
     }
 }
 
-LayerRef::LayerRef(LayerRef&& other) : layer_(other.layer_) {
+LayerRef::LayerRef(LayerRef&& other) noexcept : layer_(other.layer_) {
     other.layer_ = nullptr;
 }