docs: update generated docs (#1053)

Updates for both discovery docs and epydoc API Documentation

Fixes: #1049
diff --git a/docs/dyn/compute_beta.regionInstanceGroupManagers.html b/docs/dyn/compute_beta.regionInstanceGroupManagers.html
index 36d5c3c..056ff21 100644
--- a/docs/dyn/compute_beta.regionInstanceGroupManagers.html
+++ b/docs/dyn/compute_beta.regionInstanceGroupManagers.html
@@ -81,6 +81,9 @@
   <code><a href="#applyUpdatesToInstances">applyUpdatesToInstances(project, region, instanceGroupManager, body=None)</a></code></p>
 <p class="firstline">Apply updates to selected instances the managed instance group.</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="#createInstances">createInstances(project, region, instanceGroupManager, body=None, requestId=None)</a></code></p>
 <p class="firstline">Creates instances with per-instance configs in this regional managed instance group. Instances are created using the current instance template. The create instances operation is marked DONE if the createInstances request is successful. The underlying actions take additional time. You must separately verify the status of the creating or actions with the listmanagedinstances method.</p>
 <p class="toc_element">
@@ -99,22 +102,22 @@
   <code><a href="#insert">insert(project, region, body=None, requestId=None)</a></code></p>
 <p class="firstline">Creates a managed instance group using the information that you specify in the request. After the group is created, instances in the group are created using the specified instance template. This operation is marked as DONE when the group is created even if the instances in the group have not yet been created. You must separately verify the status of the individual instances with the listmanagedinstances method.</p>
 <p class="toc_element">
-  <code><a href="#list">list(project, region, filter=None, maxResults=None, orderBy=None, pageToken=None)</a></code></p>
+  <code><a href="#list">list(project, region, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None)</a></code></p>
 <p class="firstline">Retrieves the list of managed instance groups that are contained within the specified region.</p>
 <p class="toc_element">
-  <code><a href="#listErrors">listErrors(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None)</a></code></p>
+  <code><a href="#listErrors">listErrors(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None)</a></code></p>
 <p class="firstline">Lists all errors thrown by actions on instances for a given regional managed instance group. The filter and orderBy query parameters are not supported.</p>
 <p class="toc_element">
   <code><a href="#listErrors_next">listErrors_next(previous_request, previous_response)</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
-  <code><a href="#listManagedInstances">listManagedInstances(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None)</a></code></p>
+  <code><a href="#listManagedInstances">listManagedInstances(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None)</a></code></p>
 <p class="firstline">Lists the instances in the managed instance group and instances that are scheduled to be created. The list includes any current actions that the group has scheduled for its instances. The orderBy query parameter is not supported.</p>
 <p class="toc_element">
   <code><a href="#listManagedInstances_next">listManagedInstances_next(previous_request, previous_response)</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
-  <code><a href="#listPerInstanceConfigs">listPerInstanceConfigs(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None)</a></code></p>
+  <code><a href="#listPerInstanceConfigs">listPerInstanceConfigs(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None)</a></code></p>
 <p class="firstline">Lists all of the per-instance configs defined for the managed instance group. The orderBy query parameter is not supported.</p>
 <p class="toc_element">
   <code><a href="#listPerInstanceConfigs_next">listPerInstanceConfigs_next(previous_request, previous_response)</a></code></p>
@@ -254,7 +257,8 @@
   body: object, The request body.
     The object takes the form of:
 
-{ # InstanceGroupManagers.applyUpdatesToInstances
+{ # RegionInstanceGroupManagers.applyUpdatesToInstances
+    &quot;allInstances&quot;: True or False, # Flag to update all instances instead of specified list of ?instances?. If the flag is set to true then the instances may not be specified in the request.
     &quot;instances&quot;: [ # The list of URLs of one or more instances for which you want to apply updates. Each URL can be a full URL or a partial URL, such as zones/[ZONE]/instances/[INSTANCE_NAME].
       &quot;A String&quot;,
     ],
@@ -335,6 +339,11 @@
 </div>
 
 <div class="method">
+    <code class="details" id="close">close()</code>
+  <pre>Close httplib2 connections.</pre>
+</div>
+
+<div class="method">
     <code class="details" id="createInstances">createInstances(project, region, instanceGroupManager, body=None, requestId=None)</code>
   <pre>Creates instances with per-instance configs in this regional managed instance group. Instances are created using the current instance template. The create instances operation is marked DONE if the createInstances request is successful. The underlying actions take additional time. You must separately verify the status of the creating or actions with the listmanagedinstances method.
 
@@ -1067,7 +1076,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="list">list(project, region, filter=None, maxResults=None, orderBy=None, pageToken=None)</code>
+    <code class="details" id="list">list(project, region, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None)</code>
   <pre>Retrieves the list of managed instance groups that are contained within the specified region.
 
 Args:
@@ -1087,6 +1096,7 @@
 
 Currently, only sorting by `name` or `creationTimestamp desc` is supported.
   pageToken: string, Specifies a page token to use. Set `pageToken` to the `nextPageToken` returned by a previous list request to get the next page of results.
+  returnPartialSuccess: boolean, Opt-in for partial success behavior which provides partial results in case of failure. The default value is false and the logic is the same as today.
 
 Returns:
   An object of the form:
@@ -1256,7 +1266,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="listErrors">listErrors(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None)</code>
+    <code class="details" id="listErrors">listErrors(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None)</code>
   <pre>Lists all errors thrown by actions on instances for a given regional managed instance group. The filter and orderBy query parameters are not supported.
 
 Args:
@@ -1277,6 +1287,7 @@
 
 Currently, only sorting by `name` or `creationTimestamp desc` is supported.
   pageToken: string, Specifies a page token to use. Set `pageToken` to the `nextPageToken` returned by a previous list request to get the next page of results.
+  returnPartialSuccess: boolean, Opt-in for partial success behavior which provides partial results in case of failure. The default value is false and the logic is the same as today.
 
 Returns:
   An object of the form:
@@ -1318,7 +1329,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="listManagedInstances">listManagedInstances(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None)</code>
+    <code class="details" id="listManagedInstances">listManagedInstances(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None)</code>
   <pre>Lists the instances in the managed instance group and instances that are scheduled to be created. The list includes any current actions that the group has scheduled for its instances. The orderBy query parameter is not supported.
 
 Args:
@@ -1339,6 +1350,7 @@
 
 Currently, only sorting by `name` or `creationTimestamp desc` is supported.
   pageToken: string, Specifies a page token to use. Set `pageToken` to the `nextPageToken` returned by a previous list request to get the next page of results.
+  returnPartialSuccess: boolean, Opt-in for partial success behavior which provides partial results in case of failure. The default value is false and the logic is the same as today.
 
 Returns:
   An object of the form:
@@ -1425,7 +1437,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="listPerInstanceConfigs">listPerInstanceConfigs(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None)</code>
+    <code class="details" id="listPerInstanceConfigs">listPerInstanceConfigs(project, region, instanceGroupManager, filter=None, maxResults=None, orderBy=None, pageToken=None, returnPartialSuccess=None)</code>
   <pre>Lists all of the per-instance configs defined for the managed instance group. The orderBy query parameter is not supported.
 
 Args:
@@ -1446,6 +1458,7 @@
 
 Currently, only sorting by `name` or `creationTimestamp desc` is supported.
   pageToken: string, Specifies a page token to use. Set `pageToken` to the `nextPageToken` returned by a previous list request to get the next page of results.
+  returnPartialSuccess: boolean, Opt-in for partial success behavior which provides partial results in case of failure. The default value is false and the logic is the same as today.
 
 Returns:
   An object of the form: