video: add unique id to windows video DeviceParams

- fixes rebase issue from ae7c912a

Change-Id: I2107f5283cb5f288fd22905510d8e0b663787957

src/media/video/winvideo/video_device_impl.cpp

@@ -262,6 +262,7 @@ VideoDeviceImpl::getDeviceParams() const
     DeviceParams params;
 
     params.name = name;
+    params.unique_id = id;
     params.input = id;
     params.format = "dshow";