message: Update TFLite dependencies in all gradle builds
  Upgrade from 2.0.0 to 2.1.0, and ensure that the
  nightly version always pull in the latest build
  (via `changing = true`).
diff: @@ -53,8 +53,8 @@ dependencies {
  implementation 'com.android.support:support-v13:25.2.0'
  // Build off of nightly TensorFlow Lite
  - implementation 'org.tensorflow:tensorflow-lite:0.0.0-nightly'
  - implementation 'org.tensorflow:tensorflow-lite-gpu:0.0.0-nightly'
  + implementation('org.tensorflow:tensorflow-lite:0.0.0-nightly') { changing = true }
  + implementation('org.tensorflow:tensorflow-lite-gpu:0.0.0-nightly') { changing = true }
  // Use local TensorFlow library
  // implementation 'org.tensorflow:tensorflow-lite-local:0.0.0'
  }
  