docs: update generated docs (#1053)

Updates for both discovery docs and epydoc API Documentation

Fixes: #1049
diff --git a/docs/epy/googleapiclient.http.HttpRequestMock-class.html b/docs/epy/googleapiclient.http.HttpRequestMock-class.html
index 1d0a012..8045821 100644
--- a/docs/epy/googleapiclient.http.HttpRequestMock-class.html
+++ b/docs/epy/googleapiclient.http.HttpRequestMock-class.html
@@ -57,17 +57,16 @@
 </table>
 <!-- ==================== CLASS DESCRIPTION ==================== -->
 <h1 class="epydoc">Class HttpRequestMock</h1><p class="nomargin-top"><span class="codelink"><a href="googleapiclient.http-pysrc.html#HttpRequestMock">source&nbsp;code</a></span></p>
-<center>
-
-</center>
-<hr />
-<pre class="literalblock">
-Mock of HttpRequest.
-
-Do not construct directly, instead use RequestMockBuilder.
-
+<pre class="base-tree">
+object --+
+         |
+        <strong class="uidshort">HttpRequestMock</strong>
 </pre>
 
+<hr />
+<p>Mock of HttpRequest.</p>
+  <p>Do not construct directly, instead use RequestMockBuilder.</p>
+
 <!-- ==================== INSTANCE METHODS ==================== -->
 <a name="section-InstanceMethods"></a>
 <table class="summary" border="1" cellpadding="3"
@@ -235,13 +234,9 @@
     </td>
   </tr></table>
   
-  <pre class="literalblock">
-Execute the request.
-
-Same behavior as HttpRequest.execute(), but the response is
-mocked and not really from an HTTP request/response.
-
-</pre>
+  <p>Execute the request.</p>
+  <p>Same behavior as HttpRequest.execute(), but the response is mocked and
+  not really from an HTTP request/response.</p>
   <dl class="fields">
   </dl>
 </td></tr></table>
@@ -273,7 +268,7 @@
 <table border="0" cellpadding="0" cellspacing="0" width="100%%">
   <tr>
     <td align="left" class="footer">
-    Generated by Epydoc 3.0.1 on Thu Apr 30 17:06:05 2020
+    Generated by Epydoc 3.0.1 on Fri Oct  2 20:46:22 2020
     </td>
     <td align="right" class="footer">
       <a target="mainFrame" href="http://epydoc.sourceforge.net"