message: Enable XLA SPMD by default for TF1
diff: @@ -825,7 +825,7 @@ class XLAOptions(
  requested.
  """
  - def __new__(cls, use_spmd_for_xla_partitioning=False):
  + def __new__(cls, use_spmd_for_xla_partitioning=True):
  return super(XLAOptions, cls).__new__(cls, use_spmd_for_xla_partitioning)
  