Use new TryAcquireLatestCpuImage method

Assets/Scripts/TestCameraImage.cs

     {
         // Attempt to get the latest camera image. If this method succeeds,
         // it acquires a native resource that must be disposed (see below).
-        if (!cameraManager.TryGetLatestImage(out XRCpuImage image))
+        if (!cameraManager.TryAcquireLatestCpuImage(out XRCpuImage image))
         {
             return;
         }