* [SPEC] Adjust ConvolutionBackpropData op.

```
inputs:
  1. filters-------+
  2. output_delta  |  -> 1. data
                   +---> 2. filters
  3. data_batch_shape -> 3. output_shape(+optional)

attributes:
  1. strides          -> 1. strides
  2. dilations-----+
  3. pads_begin    |  -> 2. pads_begin
  4. pads_end      |  -> 3. pads_end
                   +---> 4. dilations
		      -> 5. +auto_pad(optional)[PadType::EXPLICIT]
		      -> 6. +output_padding(optional)[zeros]
```

* Review fix I