message: Use new _ property for distribute strategy on resource variable.
diff: @@ -267,7 +267,7 @@ class MirroredStrategyVariableCreationTest(test.TestCase):
  self.assertIs(strategy, var.distribute_strategy)
  for d in var.devices:
  self.assertEqual(d, var.get(d).device)
  - self.assertIs(strategy, var.get(d).distribute_strategy)
  + self.assertIs(strategy, var.get(d)._distribute_strategy) # pylint: disable=protected-access
  def testVariableInFuncGraph(self, distribution):
  def model_fn():
  