message: Fix edge case bug in handling FP16 weights in XNNPACK delegate
  Quasi-static tensors may become subgraph outputs after partitioning; we need to
  explicitly exclude them from outputs and treat as static tensors.
diff: @@ -101,9 +101,15 @@ class Subgraph {
  const std::unordered_set<int> inputs(
  &params->input_tensors->data[0],
  &params->input_tensors->data[params->input_tensors->size]);
  - const std::unordered_set<int> outputs(
  - &params->output_tensors->data[0],
  - &params->output_tensors->data[params->output_tensors->size]);
  + std::unordered_set<int> outputs;
  + for (int o = 0; o < params->output_tensors->size; o++) {
  + const int output_tensor_idx = params->output_tensors->data[o];
  + // Exclude quasi-static tensors which may have become subgraph outputs
  + // after partitioning.
  + if (delegate->static_unpacked_data_map_.count(output_tensor_idx) == 0) {
  + outputs.insert(output_tensor_idx);
  + }
  + }
  std::unordered_set<int> externals(outputs);
  TfLiteIntArray* execution_plan;
  