Merge "Docs: Added a link to Updating Your Security Provider to Protect...

 * This implementation does check the server's certificate hostname, but only

 * for createSocket variants that specify a hostname.  When using methods that

 * use {@link InetAddress} or which return an unconnected socket, you MUST

 * verify the server's identity yourself to ensure a secure connection.</p>

 * verify the server's identity yourself to ensure a secure connection.

 *

 * Refer to

 * <a href="https://developer.android.com/training/articles/security-gms-provider.html">

 * Updating Your Security Provider to Protect Against SSL Exploits</a>

 * for further information.</p>

 *

 * <p>One way to verify the server's identity is to use

 * {@link HttpsURLConnection#getDefaultHostnameVerifier()} to get a