*   You can now iterate over `RaggedTensors` using a for loop inside
        `tf.function`.
*   `tf.lite`:
    *   Migrated the `tf.lite` C inference API out of experimental into lite/c.
    *   Add an option to disallow `NNAPI` CPU / partial acceleration on Android
        10
    *   TFLite Android AARs now include the C headers and APIs are required to
        use TFLite from native code.