message: Update test data multi_add.json.
diff: {
  - "version": 1,
  + "version": 3,
  "operator_codes": [
  {
  - "builtin_code": "ADD"
  }
  ],
  "subgraphs": [
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  - { "shape": [ 1, 8, 8, 3 ], "name": "c" },
  - { "shape": [ 1, 8, 8, 3 ], "name": "d" },
  - { "shape": [ 1, 8, 8, 3 ], "name": "i" },
  - { "shape": [ 1, 8, 8, 3 ], "name": "x" },
  - { "shape": [ 1, 8, 8, 3 ], "name": "y" }
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  - "inputs": [ 0, 1, 2, 3 ],
  - "outputs": [ 5, 6 ],
  + {
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  + 8,
  + 8,
  + 3
  + ],
  + "name": "a"
  + },
  + {
  + "shape": [
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  + 8,
  + 8,
  + 3
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  + "name": "b"
  + },
  + {
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  + "name": "c"
  + },
  + {
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  + 8,
  + 8,
  + 3
  + ],
  + "name": "d"
  + },
  + {
  + "shape": [
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  + 8,
  + 8,
  + 3
  + ],
  + "name": "i"
  + },
  + {
  + "shape": [
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  + 8,
  + 8,
  + 3
  + ],
  + "name": "x"
  + },
  + {
  + "shape": [
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  + 8,
  + 8,
  + 3
  + ],
  + "name": "y"
  + }
  + ],
  + "inputs": [
  + 0,
  + 1,
  + 2,
  + 3
  + ],
  + "outputs": [
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  + 6
  + ],
  "operators": [
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  - "outputs": [ 4 ],
  + "inputs": [
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  "builtin_options_type": "AddOptions",
  "builtin_options": {
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  {
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  - "outputs": [ 5 ],
  + "inputs": [
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  + "outputs": [
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  "builtin_options_type": "AddOptions",
  "builtin_options": {
  }
  },
  {
  - "inputs": [ 3, 4 ],
  - "outputs": [ 6 ],
  + "inputs": [
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  + "outputs": [
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  "builtin_options_type": "AddOptions",
  "builtin_options": {
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  }
  ]
  }
  + ],
  + "buffers": [
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  + "data": [
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