message: Integrate Task Library in the Image Classification ref app
diff: "source": [
  "The TensorFlow Lite model file and label file could be used in [image classification](https://github.com/tensorflow/examples/tree/master/lite/examples/image_classification) reference app.\n",
  "\n",
  - "As for android reference app as an example, we could add `flower_classifier.tflite` and `flower_label.txt` in [assets](https://github.com/tensorflow/examples/tree/master/lite/examples/image_classification/android/app/src/main/assets) folder. Meanwhile, change label filename in [code](https://github.com/tensorflow/examples/blob/master/lite/examples/image_classification/android/app/src/main/java/org/tensorflow/lite/examples/classification/tflite/ClassifierFloatMobileNet.java#L65) and TensorFlow Lite file name in [code](https://github.com/tensorflow/examples/blob/master/lite/examples/image_classification/android/app/src/main/java/org/tensorflow/lite/examples/classification/tflite/ClassifierFloatMobileNet.java#L60). Thus, we could run the retrained float TensorFlow Lite model on the android app.\n"
  + "As for android reference app as an example, we could add `flower_classifier.tflite` and `flower_label.txt` in [assets](https://github.com/tensorflow/examples/tree/master/lite/examples/image_classification/android/models/src/main/assets) folder. Meanwhile, change label filename in [code](https://github.com/tensorflow/examples/blob/de42482b453de6f7b6488203b20e7eec61ee722e/lite/examples/image_classification/android/lib_support/src/main/java/org/tensorflow/lite/examples/classification/tflite/ClassifierFloatMobileNet.java#L60) and TensorFlow Lite file name in [code](https://github.com/tensorflow/examples/blob/de42482b453de6f7b6488203b20e7eec61ee722e/lite/examples/image_classification/android/lib_support/src/main/java/org/tensorflow/lite/examples/classification/tflite/ClassifierFloatMobileNet.java#L55). Thus, we could run the retrained float TensorFlow Lite model on the android app.\n"
  ]
  },
  {
  