Skip output-only XVideo adapters

We need PutImage meaning the Input and the Image bits in type mask.
Output adapters are rather rare (the _exotic_ Xorg V4L2 driver is one).
(cherry picked from commit 6b389f7b27df05ba4700a1b5f578d643782238aa)

modules/video_output/xcb/xvideo.c

@@ -359,7 +359,8 @@ static int Open (vlc_object_t *obj)
             continue;
         }
 
-        if (!(a->type & XCB_XV_TYPE_IMAGE_MASK))
+        if (!(a->type & XCB_XV_TYPE_INPUT_MASK)
+         || !(a->type & XCB_XV_TYPE_IMAGE_MASK))
             continue;
 
         xcb_xv_list_image_formats_reply_t *r =