message: [XLA] Fix typo (tring -> trying)
  While there don't StrCat into a RET_CHECK, the streaming operators do the same
  thing.
diff: @@ -30,9 +30,9 @@ Status HloInputOutputAliasConfig::SetUpAlias(const ShapeIndex& output_index,
  TF_RET_CHECK(kind == AliasKind::kUserAlias || kind == AliasKind::kSystemAlias)
  << kind;
  TF_RET_CHECK(ShapeUtil::IndexIsValid(alias_.shape(), output_index))
  - << absl::StrCat("Tring to set up alias at ", output_index.ToString(),
  - " which is an invalid index for shape ",
  - ShapeUtil::HumanString(alias_.shape()));
  + << "Trying to set up alias at " << output_index.ToString()
  + << " which is an invalid index for shape "
  + << ShapeUtil::HumanString(alias_.shape());
  TF_RET_CHECK(param_number >= 0) << param_number;
  TF_RET_CHECK(!OutputHasAlias(output_index))
  << "Output index " << output_index << " already has an alias setup";
  