docs: update generated docs (#1053)

Updates for both discovery docs and epydoc API Documentation

Fixes: #1049
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+<style>
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+body, h1, h2, h3, div, span, p, pre, a {
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+  padding: 0;
+  border: 0;
+  font-weight: inherit;
+  font-style: inherit;
+  font-size: 100%;
+  font-family: inherit;
+  vertical-align: baseline;
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+body {
+  font-size: 13px;
+  padding: 1em;
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+  margin-bottom: 1em;
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+pre, code {
+  line-height: 1.5;
+  font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Lucida Console', monospace;
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+  margin-top: 0.5em;
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+  font-family: Arial, sans serif;
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+  border-bottom: solid #CCC 1px;
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+.toc_element {
+  margin-top: 0.5em;
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+.firstline {
+  margin-left: 2 em;
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+.method  {
+  margin-top: 1em;
+  border: solid 1px #CCC;
+  padding: 1em;
+  background: #EEE;
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+.details {
+  font-weight: bold;
+  font-size: 14px;
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+
+</style>
+
+<h1><a href="pubsublite_v1.html">Pub/Sub Lite API</a> . <a href="pubsublite_v1.admin.html">admin</a> . <a href="pubsublite_v1.admin.projects.html">projects</a> . <a href="pubsublite_v1.admin.projects.locations.html">locations</a> . <a href="pubsublite_v1.admin.projects.locations.topics.html">topics</a> . <a href="pubsublite_v1.admin.projects.locations.topics.subscriptions.html">subscriptions</a></h1>
+<h2>Instance Methods</h2>
+<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="#list">list(name, pageSize=None, pageToken=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Lists the subscriptions attached to the specified topic.</p>
+<p class="toc_element">
+  <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
+<p class="firstline">Retrieves the next page of results.</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="list">list(name, pageSize=None, pageToken=None, x__xgafv=None)</code>
+  <pre>Lists the subscriptions attached to the specified topic.
+
+Args:
+  name: string, Required. The name of the topic whose subscriptions to list. (required)
+  pageSize: integer, The maximum number of subscriptions to return. The service may return fewer than this value. If unset or zero, all subscriptions for the given topic will be returned.
+  pageToken: string, A page token, received from a previous `ListTopicSubscriptions` call. Provide this to retrieve the subsequent page. When paginating, all other parameters provided to `ListTopicSubscriptions` must match the call that provided the page token.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # Response for ListTopicSubscriptions.
+    &quot;nextPageToken&quot;: &quot;A String&quot;, # A token that can be sent as `page_token` to retrieve the next page of results. If this field is omitted, there are no more results.
+    &quot;subscriptions&quot;: [ # The names of subscriptions attached to the topic. The order of the subscriptions is unspecified.
+      &quot;A String&quot;,
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="list_next">list_next(previous_request, previous_response)</code>
+  <pre>Retrieves the next page of results.
+
+Args:
+  previous_request: The request for the previous page. (required)
+  previous_response: The response from the request for the previous page. (required)
+
+Returns:
+  A request object that you can call &#x27;execute()&#x27; on to request the next
+  page. Returns None if there are no more items in the collection.
+    </pre>
+</div>
+
+</body></html>
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