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/acquired_buffer.cpp b/libs/vr/libvrflinger/acquired_buffer.cpp
index 9614c6d..5d873d1 100644
--- a/libs/vr/libvrflinger/acquired_buffer.cpp
+++ b/libs/vr/libvrflinger/acquired_buffer.cpp
@@ -31,13 +31,13 @@
   }
 }
 
-AcquiredBuffer::AcquiredBuffer(AcquiredBuffer&& other) {
+AcquiredBuffer::AcquiredBuffer(AcquiredBuffer&& other) noexcept {
   *this = std::move(other);
 }
 
 AcquiredBuffer::~AcquiredBuffer() { Release(LocalHandle(kEmptyFence)); }
 
-AcquiredBuffer& AcquiredBuffer::operator=(AcquiredBuffer&& other) {
+AcquiredBuffer& AcquiredBuffer::operator=(AcquiredBuffer&& other) noexcept {
   if (this != &other) {
     Release();