Add noexcept to move constructors and assignment operators.

Bug: 116614593
Test: build with WITH_TIDY=1
Change-Id: I47101c362198665194f8b3248751caaa7da32505
diff --git a/libs/vr/libvrflinger/hardware_composer.cpp b/libs/vr/libvrflinger/hardware_composer.cpp
index 44ce78c..b8d5e2b 100644
--- a/libs/vr/libvrflinger/hardware_composer.cpp
+++ b/libs/vr/libvrflinger/hardware_composer.cpp
@@ -1272,9 +1272,9 @@
 
 Layer::~Layer() { Reset(); }
 
-Layer::Layer(Layer&& other) { *this = std::move(other); }
+Layer::Layer(Layer&& other) noexcept { *this = std::move(other); }
 
-Layer& Layer::operator=(Layer&& other) {
+Layer& Layer::operator=(Layer&& other) noexcept {
   if (this != &other) {
     Reset();
     using std::swap;