Rename the private Stream class from V4L2M2MConverter::Stream to V4L2M2MConverter::V4L2M2MStream. This is done to improve readability of the code when we drop the handling of stream by indexes in a subsequent patch. Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>