message: Add a check on the 0th dimension of filter for DepthwiseConv.
diff: @@ -113,6 +113,8 @@ TfLiteStatus Prepare(TfLiteContext* context, TfLiteNode* node) {
  data_type == kTfLiteInt8);
  TF_LITE_ENSURE_EQ(context, output->type, data_type);
  TF_LITE_ENSURE_EQ(context, filter->type, data_type);
  + // Filter in DepthwiseConv is expected to be [1, H, W, O].
  + TF_LITE_ENSURE_EQ(context, SizeOfDimension(filter, 0), 1);
  if (hasBias) {
  bias = GetInput(context, node, kBiasTensor);
  