message: build: workaround sporadic failures of python binding compilation
diff: #include <opencv2/gapi/util/type_traits.hpp>
  #include <opencv2/gapi/own/assert.hpp>
  +#include <opencv2/gapi/gcommon.hpp> // OpaqueKind
  +#include <opencv2/gapi/garray.hpp> // TypeHintBase
  +
  namespace cv
  {
  // Forward declaration; GNode and GOrigin are an internal
  