docs: update generated docs (#1053)

Updates for both discovery docs and epydoc API Documentation

Fixes: #1049
diff --git a/docs/dyn/compute_alpha.regionTargetHttpProxies.html b/docs/dyn/compute_alpha.regionTargetHttpProxies.html
index 8f4b353..b5ae28e 100644
--- a/docs/dyn/compute_alpha.regionTargetHttpProxies.html
+++ b/docs/dyn/compute_alpha.regionTargetHttpProxies.html
@@ -75,6 +75,9 @@
 <h1><a href="compute_alpha.html">Compute Engine API</a> . <a href="compute_alpha.regionTargetHttpProxies.html">regionTargetHttpProxies</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="#delete">delete(project, region, targetHttpProxy, requestId=None)</a></code></p>
 <p class="firstline">Deletes the specified TargetHttpProxy resource.</p>
 <p class="toc_element">
@@ -97,6 +100,11 @@
 <p class="firstline">Returns permissions that a caller has on the specified resource.</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="delete">delete(project, region, targetHttpProxy, requestId=None)</code>
   <pre>Deletes the specified TargetHttpProxy resource.
 
@@ -199,7 +207,8 @@
       # Forwarding rules reference a target HTTP proxy, and the target proxy then references a URL map. For more information, read Using Target Proxies and  Forwarding rule concepts. (== resource_for {$api_version}.targetHttpProxies ==) (== resource_for {$api_version}.regionTargetHttpProxies ==)
     &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Output Only] Creation timestamp in RFC3339 text format.
     &quot;description&quot;: &quot;A String&quot;, # An optional description of this resource. Provide this property when you create the resource.
-    &quot;httpFilters&quot;: [ # Urls to networkservices.HttpFilter resources enabled for xDS clients using this configuration. For example, https://networkservices.googleapis.com/v1alpha1/projects/project/locations/locationhttpFilters/httpFilter Only filters that handle outbound connection and stream events may be specified. These filters work in conjunction with a default set of HTTP filters that may already be configured by Traffic Director. Traffic Director will determine the final location of these filters within xDS configuration based on the name of the HTTP filter. If Traffic Director positions multiple filters at the same location, those filters will be in the same order as specified in this list.
+    &quot;fingerprint&quot;: &quot;A String&quot;, # Fingerprint of this resource. A hash of the contents stored in this object. This field is used in optimistic locking. This field will be ignored when inserting a TargetHttpProxy. An up-to-date fingerprint must be provided in order to patch/update the TargetHttpProxy; otherwise, the request will fail with error 412 conditionNotMet. To see the latest fingerprint, make a get() request to retrieve the TargetHttpProxy.
+    &quot;httpFilters&quot;: [ # URLs to networkservices.HttpFilter resources enabled for xDS clients using this configuration. For example, https://networkservices.googleapis.com/v1alpha1/projects/project/locations/locationhttpFilters/httpFilter Only filters that handle outbound connection and stream events may be specified. These filters work in conjunction with a default set of HTTP filters that may already be configured by Traffic Director. Traffic Director will determine the final location of these filters within xDS configuration based on the name of the HTTP filter. If Traffic Director positions multiple filters at the same location, those filters will be in the same order as specified in this list.
         # httpFilters only applies for loadbalancers with loadBalancingScheme set to INTERNAL_SELF_MANAGED. See ForwardingRule for more details.
       &quot;A String&quot;,
     ],
@@ -237,7 +246,8 @@
     # Forwarding rules reference a target HTTP proxy, and the target proxy then references a URL map. For more information, read Using Target Proxies and  Forwarding rule concepts. (== resource_for {$api_version}.targetHttpProxies ==) (== resource_for {$api_version}.regionTargetHttpProxies ==)
   &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Output Only] Creation timestamp in RFC3339 text format.
   &quot;description&quot;: &quot;A String&quot;, # An optional description of this resource. Provide this property when you create the resource.
-  &quot;httpFilters&quot;: [ # Urls to networkservices.HttpFilter resources enabled for xDS clients using this configuration. For example, https://networkservices.googleapis.com/v1alpha1/projects/project/locations/locationhttpFilters/httpFilter Only filters that handle outbound connection and stream events may be specified. These filters work in conjunction with a default set of HTTP filters that may already be configured by Traffic Director. Traffic Director will determine the final location of these filters within xDS configuration based on the name of the HTTP filter. If Traffic Director positions multiple filters at the same location, those filters will be in the same order as specified in this list.
+  &quot;fingerprint&quot;: &quot;A String&quot;, # Fingerprint of this resource. A hash of the contents stored in this object. This field is used in optimistic locking. This field will be ignored when inserting a TargetHttpProxy. An up-to-date fingerprint must be provided in order to patch/update the TargetHttpProxy; otherwise, the request will fail with error 412 conditionNotMet. To see the latest fingerprint, make a get() request to retrieve the TargetHttpProxy.
+  &quot;httpFilters&quot;: [ # URLs to networkservices.HttpFilter resources enabled for xDS clients using this configuration. For example, https://networkservices.googleapis.com/v1alpha1/projects/project/locations/locationhttpFilters/httpFilter Only filters that handle outbound connection and stream events may be specified. These filters work in conjunction with a default set of HTTP filters that may already be configured by Traffic Director. Traffic Director will determine the final location of these filters within xDS configuration based on the name of the HTTP filter. If Traffic Director positions multiple filters at the same location, those filters will be in the same order as specified in this list.
       # httpFilters only applies for loadbalancers with loadBalancingScheme set to INTERNAL_SELF_MANAGED. See ForwardingRule for more details.
     &quot;A String&quot;,
   ],
@@ -363,7 +373,8 @@
           # Forwarding rules reference a target HTTP proxy, and the target proxy then references a URL map. For more information, read Using Target Proxies and  Forwarding rule concepts. (== resource_for {$api_version}.targetHttpProxies ==) (== resource_for {$api_version}.regionTargetHttpProxies ==)
         &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Output Only] Creation timestamp in RFC3339 text format.
         &quot;description&quot;: &quot;A String&quot;, # An optional description of this resource. Provide this property when you create the resource.
-        &quot;httpFilters&quot;: [ # Urls to networkservices.HttpFilter resources enabled for xDS clients using this configuration. For example, https://networkservices.googleapis.com/v1alpha1/projects/project/locations/locationhttpFilters/httpFilter Only filters that handle outbound connection and stream events may be specified. These filters work in conjunction with a default set of HTTP filters that may already be configured by Traffic Director. Traffic Director will determine the final location of these filters within xDS configuration based on the name of the HTTP filter. If Traffic Director positions multiple filters at the same location, those filters will be in the same order as specified in this list.
+        &quot;fingerprint&quot;: &quot;A String&quot;, # Fingerprint of this resource. A hash of the contents stored in this object. This field is used in optimistic locking. This field will be ignored when inserting a TargetHttpProxy. An up-to-date fingerprint must be provided in order to patch/update the TargetHttpProxy; otherwise, the request will fail with error 412 conditionNotMet. To see the latest fingerprint, make a get() request to retrieve the TargetHttpProxy.
+        &quot;httpFilters&quot;: [ # URLs to networkservices.HttpFilter resources enabled for xDS clients using this configuration. For example, https://networkservices.googleapis.com/v1alpha1/projects/project/locations/locationhttpFilters/httpFilter Only filters that handle outbound connection and stream events may be specified. These filters work in conjunction with a default set of HTTP filters that may already be configured by Traffic Director. Traffic Director will determine the final location of these filters within xDS configuration based on the name of the HTTP filter. If Traffic Director positions multiple filters at the same location, those filters will be in the same order as specified in this list.
             # httpFilters only applies for loadbalancers with loadBalancingScheme set to INTERNAL_SELF_MANAGED. See ForwardingRule for more details.
           &quot;A String&quot;,
         ],