shadows/framework/src/main/java/org/robolectric/shadows/ShadowLegacyAsyncTask.java
@Implementation
  protected void publishProgress(final Progress... values) {
    ShadowApplication.getInstance()
        .getForegroundThreadScheduler()
        .post(
            new Runnable() {
              @Override
              public void run() {
                getBridge().onProgressUpdate(values);
              }
            });
  }
@Implementation
  protected void publishProgress(final Progress... values) {
    ShadowApplication.getInstance()
        .getForegroundThreadScheduler()
        .post(
            new Runnable() {
              @Override
              public void run() {
                getBridge().onProgressUpdate(values);
              }
            });
  }
Enqueue a call to {@link AsyncTask#onProgressUpdate(Object[])} on UI looper (or run it
immediately if the looper it is not paused).

@param values The progress values to update the UI with.
@see AsyncTask#publishProgress(Object[])