message: Correct a return error message, to fix a conv test failure
diff: @@ -24,8 +24,8 @@ limitations under the License.
  #include <unordered_map>
  #include <vector>
  -#include "mkldnn.hpp"
  #include "absl/strings/str_join.h"
  +#include "mkldnn.hpp"
  #include "tensorflow/core/framework/bounds_check.h"
  #include "tensorflow/core/framework/numeric_op.h"
  #include "tensorflow/core/framework/op_kernel.h"
  @@ -490,8 +490,9 @@ class MklConvOp : public OpKernel {
  const int64 stride_c = GetTensorDim(strides_, data_format_, 'C');
  OP_REQUIRES(
  context, stride_n == 1 && stride_c == 1,
  - errors::InvalidArgument("Current implementation does not yet support "
  + errors::Unimplemented("Current implementation does not yet support "
  "strides in the batch and depth dimensions."));
  +
  OP_REQUIRES_OK(context, context->GetAttr("padding", &padding_));
  is_filter_const_ = false;
  if (context->HasAttr("is_filter_const")) {
  