message: usage example added in extract glimpse
  Added usage example in extract glimpse. Issue raised on
diff: @@ -3678,6 +3678,24 @@ def extract_glimpse(
  Returns:
  A `Tensor` of type `float32`.
  +
  + Usage Example:
  + ```python
  + >> import tensorflow as tf
  + >> BATCH_SIZE = 2
  + >> IMAGE_HEIGHT = 256
  + >> IMAGE_WIDTH = 256
  + >> CHANNELS = 3
  + >> GLIMPSE_SIZE = (24, 24)
  + >>image = tf.random.normal(shape=(BATCH_SIZE, IMAGE_HEIGHT,
  + IMAGE_WIDTH, CHANNELS) )
  + >> offsets_variable = tf.random.uniform(shape=(BATCH_SIZE, 2))
  + >> output = tf.image.extract_glimpse(image, size=GLIMPSE_SIZE,
  + offsets=offsets_variable)
  + >> print(output.shape)
  + ```
  +
  +
  """
  return gen_image_ops.extract_glimpse(
  input=input,
  @@ -3744,6 +3762,23 @@ def extract_glimpse_v2(
  Returns:
  A `Tensor` of type `float32`.
  +
  + Usage Example:
  + ```python
  + >> import tensorflow as tf
  + >> BATCH_SIZE = 2
  + >> IMAGE_HEIGHT = 256
  + >> IMAGE_WIDTH = 256
  + >> CHANNELS = 3
  + >> GLIMPSE_SIZE = (24, 24)
  + >>image = tf.random.normal(shape=(BATCH_SIZE, IMAGE_HEIGHT,
  + IMAGE_WIDTH, CHANNELS) )
  + >> offsets_variable = tf.random.uniform(shape=(BATCH_SIZE, 2))
  + >> output = tf.image.extract_glimpse(image, size=GLIMPSE_SIZE,
  + offsets=offsets_variable)
  + >> print(output.shape)
  + ```
  +
  """
  return gen_image_ops.extract_glimpse(
  input=input,
  