title: UnsatisfiedLinkError while building Tensorflow Lite demo source code
body: <p>I am using Android Studio 3.0.3 with Gradle 3.3 and I was trying to build: </p>
  
  <p><a href="https://github.com/tensorflow/tensorflow/tree/master/tensorflow/contrib/lite/java/demo" rel="noreferrer">https://github.com/tensorflow/tensorflow/tree/master/tensorflow/contrib/lite/java/demo</a></p>
  
  <p>But I was troubled by this issue:</p>
  
  <pre><code>java.lang.UnsatisfiedLinkError: No implementation found for long org.tensorflow.lite.NativeInterpreterWrapper.createErrorReporter(int) (tried Java_org_tensorflow_lite_NativeInterpreterWrapper_createErrorReporter and Java_org_tensorflow_lite_NativeInterpreterWrapper_createErrorReporter__I)
   at org.tensorflow.lite.NativeInterpreterWrapper.createErrorReporter(Native Method)
   at org.tensorflow.lite.NativeInterpreterWrapper.&lt;init&gt;(NativeInterpreterWrapper.java:47)
   at org.tensorflow.lite.Interpreter.&lt;init&gt;(Interpreter.java:77)
   at com.example.android.tflitecamerademo.ImageClassifier.&lt;init&gt;(ImageClassifier.java:94)
   at com.example.android.tflitecamerademo.Camera2BasicFragment.onActivityCreated(Camera2BasicFragment.java:299)
   at android.app.Fragment.performActivityCreated(Fragment.java:2620)
   at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1296)
  </code></pre>