message: Stop force-placing variables which are init_from_checkpoint on CPU.
  Fixes
diff: @@ -207,9 +207,6 @@ class CheckpointsTest(test.TestCase):
  checkpoint_utils.init_from_checkpoint(checkpoint_dir,
  {"useful_scope/": "useful_scope/"})
  - # initializer runs on the same task but always on CPU.
  - self.assertEqual(my4._initializer_op.op.inputs[1].device,
  - "/job:ps/device:CPU:0")
  def testInitFromRootCheckpoint(self):
  checkpoint_dir = self.get_temp_dir()
  