message: [Tensorflow Metrics] Add metrics to track the usage of OneDeviceStrategy.
diff: @@ -78,6 +78,8 @@ class OneDeviceStrategy(distribute_lib.Strategy):
  used. Examples: "/cpu:0", "/gpu:0", "/device:CPU:0", "/device:GPU:0"
  """
  super(OneDeviceStrategy, self).__init__(OneDeviceExtended(self, device))
  + distribute_lib.distribution_strategy_gauge.get_cell("V2").set(
  + "OneDeviceStrategy")
  def experimental_distribute_dataset(self, dataset): # pylint: disable=useless-super-delegation
  """Distributes a tf.data.Dataset instance provided via dataset.
  @@ -240,6 +242,8 @@ class OneDeviceStrategyV1(distribute_lib.StrategyV1):
  def __init__(self, device):
  super(OneDeviceStrategyV1, self).__init__(OneDeviceExtended(self, device))
  + distribute_lib.distribution_strategy_gauge.get_cell("V1").set(
  + "OneDeviceStrategy")
  __init__.__doc__ = OneDeviceStrategy.__init__.__doc__
  