build: run docs regen in synth.py (#1059)

diff --git a/docs/dyn/oauth2_v2.userinfo.html b/docs/dyn/oauth2_v2.userinfo.html
index 075886c..78034c0 100644
--- a/docs/dyn/oauth2_v2.userinfo.html
+++ b/docs/dyn/oauth2_v2.userinfo.html
@@ -80,10 +80,18 @@
 <p class="firstline">Returns the v2 Resource.</p>
 
 <p class="toc_element">
+  <code><a href="#close">close()</a></code></p>
+<p class="firstline">Close httplib2 connections.</p>
+<p class="toc_element">
   <code><a href="#get">get()</a></code></p>
 <p class="firstline">A description of how to use this function</p>
 <h3>Method Details</h3>
 <div class="method">
+    <code class="details" id="close">close()</code>
+  <pre>Close httplib2 connections.</pre>
+</div>
+
+<div class="method">
     <code class="details" id="get">get()</code>
   <pre>A description of how to use this function