chore: regens API reference docs (#889)

diff --git a/docs/dyn/androidpublisher_v3.edits.testers.html b/docs/dyn/androidpublisher_v3.edits.testers.html
index 45987aa..5aa748b 100644
--- a/docs/dyn/androidpublisher_v3.edits.testers.html
+++ b/docs/dyn/androidpublisher_v3.edits.testers.html
@@ -78,10 +78,10 @@
   <code><a href="#get">get(packageName, editId, track)</a></code></p>
 <p class="firstline">A description of how to use this function</p>
 <p class="toc_element">
-  <code><a href="#patch">patch(packageName, editId, track, body)</a></code></p>
+  <code><a href="#patch">patch(packageName, editId, track, body=None)</a></code></p>
 <p class="firstline">A description of how to use this function</p>
 <p class="toc_element">
-  <code><a href="#update">update(packageName, editId, track, body)</a></code></p>
+  <code><a href="#update">update(packageName, editId, track, body=None)</a></code></p>
 <p class="firstline">A description of how to use this function</p>
 <h3>Method Details</h3>
 <div class="method">
@@ -97,31 +97,43 @@
   An object of the form:
 
     {
-      "googleGroups": [
+      "googleGroups": [ # A list of all Google Groups, as email addresses, that define testers for this track.
         "A String",
       ],
-      "googlePlusCommunities": [
+      "autoEnrolledAndroidGroups": [
+        "A String",
+      ],
+      "autoEnrolledGoogleGroups": [
+        "A String",
+      ],
+      "excludedGoogleGroups": [
         "A String",
       ],
     }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(packageName, editId, track, body)</code>
+    <code class="details" id="patch">patch(packageName, editId, track, body=None)</code>
   <pre>A description of how to use this function
 
 Args:
   packageName: string, Unique identifier for the Android app that is being updated; for example, "com.spiffygame". (required)
   editId: string, Unique identifier for this edit. (required)
   track: string, The track to read or modify. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 {
-    "googleGroups": [
+    "googleGroups": [ # A list of all Google Groups, as email addresses, that define testers for this track.
       "A String",
     ],
-    "googlePlusCommunities": [
+    "autoEnrolledAndroidGroups": [
+      "A String",
+    ],
+    "autoEnrolledGoogleGroups": [
+      "A String",
+    ],
+    "excludedGoogleGroups": [
       "A String",
     ],
   }
@@ -131,31 +143,43 @@
   An object of the form:
 
     {
-      "googleGroups": [
+      "googleGroups": [ # A list of all Google Groups, as email addresses, that define testers for this track.
         "A String",
       ],
-      "googlePlusCommunities": [
+      "autoEnrolledAndroidGroups": [
+        "A String",
+      ],
+      "autoEnrolledGoogleGroups": [
+        "A String",
+      ],
+      "excludedGoogleGroups": [
         "A String",
       ],
     }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="update">update(packageName, editId, track, body)</code>
+    <code class="details" id="update">update(packageName, editId, track, body=None)</code>
   <pre>A description of how to use this function
 
 Args:
   packageName: string, Unique identifier for the Android app that is being updated; for example, "com.spiffygame". (required)
   editId: string, Unique identifier for this edit. (required)
   track: string, The track to read or modify. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 {
-    "googleGroups": [
+    "googleGroups": [ # A list of all Google Groups, as email addresses, that define testers for this track.
       "A String",
     ],
-    "googlePlusCommunities": [
+    "autoEnrolledAndroidGroups": [
+      "A String",
+    ],
+    "autoEnrolledGoogleGroups": [
+      "A String",
+    ],
+    "excludedGoogleGroups": [
       "A String",
     ],
   }
@@ -165,10 +189,16 @@
   An object of the form:
 
     {
-      "googleGroups": [
+      "googleGroups": [ # A list of all Google Groups, as email addresses, that define testers for this track.
         "A String",
       ],
-      "googlePlusCommunities": [
+      "autoEnrolledAndroidGroups": [
+        "A String",
+      ],
+      "autoEnrolledGoogleGroups": [
+        "A String",
+      ],
+      "excludedGoogleGroups": [
         "A String",
       ],
     }</pre>