message: [XLA] Add ReduceWindow test.
diff: @@ -1303,11 +1303,19 @@ struct R1ReduceWindowTestData {
  /*pad_high=*/{0},
  /*reducer=*/Reducer::kAdd},
  + // The pattern generated by inclusive scan (cumsum/cumprod).
  {/*base_bounds=*/{4096}, /*window_bounds=*/{4096},
  /*strides=*/{1},
  /*pad_low=*/{4095},
  /*pad_high=*/{0},
  /*reducer=*/Reducer::kMax},
  +
  + // The pattern generated by exclusive scan (cumsum/cumprod).
  + {/*base_bounds=*/{4096}, /*window_bounds=*/{4096},
  + /*strides=*/{1},
  + /*pad_low=*/{4096},
  + /*pad_high=*/{0},
  + /*reducer=*/Reducer::kMax},
  };
  string R1ReduceWindowTestDataToString(
  