title: Volley Could not validate certificate
body: <p>I am using Volley for a month now,<br>
  and i just encounter this error.  </p>
  
  <pre><code>01-28 01:52:48.973 17167-17167/? E/RESPONSE ERROR: com.android.volley.NoConnectionError: javax.net.ssl.SSLHandshakeException: com.android.org.bouncycastle.jce.exception.ExtCertPathValidatorException: Could not validate certificate: Certificate expired at Sun Jan 01 07:59:59 GMT+08:00 2017 (compared to Sat Jan 28 01:52:48 GMT+08:00 2017)
  </code></pre>
  
  <p>Before this happened.<br>
  I am using my app for google api.<br>
  I have more than 1k Request for 1Day.  </p>