message: Allow gradient access to QR input
diff: @@ -50,7 +50,7 @@ auto OpGradientInfoInit(const T &a) {
  absl::optional<tensorflow::gtl::FlatSet<int>> OpGradientUnusedInputIndices(
  const tensorflow::string &op_name) {
  - static std::array<OpIndexInfo, 349> a = {{
  + static std::array<OpIndexInfo, 348> a = {{
  {"Acosh"},
  {"AllToAll", 1, {0}},
  {"ApproximateEqual"},
  @@ -222,7 +222,6 @@ absl::optional<tensorflow::gtl::FlatSet<int>> OpGradientUnusedInputIndices(
  {"PlaceholderWithDefault"},
  {"PopulationCount"},
  {"PreventGradient"},
  - {"Qr"},
  {"QuantizeAndDequantize"},
  {"QuantizeAndDequantizeV2"},
  {"QuantizeAndDequantizeV3"},
  