message: Update tf.math.logical_xor
  Provides explanation and example for the function.
diff: @@ -1224,8 +1224,8 @@ def logical_xor(x, y, name="LogicalXor"):
  # here z = [False True True False]
  Args:
  - x: A `Tensor` . Must be of type bool.
  - y: A `Tensor` . Must be of type bool.
  + x: A `Tensor` type bool.
  + y: A `Tensor` of type bool.
  Returns:
  A `Tensor` of type bool with the same size as that of x or y.
  