preferred security provider. To do so, add the following code to execute
    before you create your `OkHttpClient`.

    ```
    Security.insertProviderAt(
        new org.conscrypt.OpenSSLProvider(), 1);
    ```

    Conscrypt is the bundled security provider on Android so it is not necessary
    to configure it on that platform.

 *  New: `HttpUrl.addQueryParameter()` percent-escapes more characters.