message: Allow specifying number of CPU threads through ComputeSettings.
diff: @@ -293,7 +293,8 @@ message CoralSettings {
  }
  message CPUSettings {
  - optional int32 num_threads = 1;
  + // Set to -1 to let the interpreter choose. Otherwise, must be > 0.
  + optional int32 num_threads = 1 [default = -1];
  }
  // How to configure TFLite.
  