message: Fix required output indices
diff: @@ -745,7 +745,7 @@ bool OpGradientDoesntRequireOutputIndices(
  {"SparseSegmentSum", {true, {}}},
  {"SparseSegmentSumWithNumSegments", {true, {}}},
  {"SparseSlice", {false, {1, 2}}},
  - {"SparseSoftmaxCrossEntropyWithLogits", {false, {}}},
  + {"SparseSoftmaxCrossEntropyWithLogits", {false, {0}}},
  {"SparseSparseMaximum", {true, {}}},
  {"SparseSparseMinimum", {true, {}}},
  {"SparseTensorDenseAdd", {true, {}}},
  