message: Use the same conv options
  Summary: Use defaults when creating conv inputs
  Test Plan: All tests pass
  Reviewers: davidn, jakeh, stephenm
diff: @@ -474,7 +474,7 @@ static StatusOr<poplar::Tensor> AddConvolutionInput(
  GetConvolutionParameters(target, 0, 1));
  auto name = StrCat(debug_name, "_input");
  - poplar::OptionFlags opts;
  + poplar::OptionFlags opts = resources.default_conv_options;
  opts.set("pass",
  ConvClassificationTypeToString(target, resources.annotations));
  @@ -490,7 +490,7 @@ static StatusOr<poplar::Tensor> AddConvolutionWeights(
  GetConvolutionParameters(target, 0, 1));
  auto name = StrCat(debug_name, "_weights");
  - poplar::OptionFlags opts;
  + poplar::OptionFlags opts = resources.default_conv_options;
  opts.set("pass",
  ConvClassificationTypeToString(target, resources.annotations));
  