docs: update generated docs (#981)

diff --git a/docs/dyn/cloudbilling_v1.billingAccounts.projects.html b/docs/dyn/cloudbilling_v1.billingAccounts.projects.html
index 86815d9..64533e5 100644
--- a/docs/dyn/cloudbilling_v1.billingAccounts.projects.html
+++ b/docs/dyn/cloudbilling_v1.billingAccounts.projects.html
@@ -105,29 +105,29 @@
   An object of the form:
 
     { # Request message for `ListProjectBillingInfoResponse`.
-    "nextPageToken": "A String", # A token to retrieve the next page of results. To retrieve the next page,
-        # call `ListProjectBillingInfo` again with the `page_token` field set to this
-        # value. This field is empty if there are no more results to retrieve.
     "projectBillingInfo": [ # A list of `ProjectBillingInfo` resources representing the projects
         # associated with the billing account.
       { # Encapsulation of billing information for a GCP Console project. A project
           # has at most one associated billing account at a time (but a billing account
           # can be assigned to multiple projects).
+        "billingAccountName": "A String", # The resource name of the billing account associated with the project, if
+            # any. For example, `billingAccounts/012345-567890-ABCDEF`.
+        "projectId": "A String", # The ID of the project that this `ProjectBillingInfo` represents, such as
+            # `tokyo-rain-123`. This is a convenience field so that you don't need to
+            # parse the `name` field to obtain a project ID. This field is read-only.
         "name": "A String", # The resource name for the `ProjectBillingInfo`; has the form
             # `projects/{project_id}/billingInfo`. For example, the resource name for the
             # billing information for project `tokyo-rain-123` would be
             # `projects/tokyo-rain-123/billingInfo`. This field is read-only.
-        "billingAccountName": "A String", # The resource name of the billing account associated with the project, if
-            # any. For example, `billingAccounts/012345-567890-ABCDEF`.
         "billingEnabled": True or False, # True if the project is associated with an open billing account, to which
             # usage on the project is charged. False if the project is associated with a
             # closed billing account, or no billing account at all, and therefore cannot
             # use paid services. This field is read-only.
-        "projectId": "A String", # The ID of the project that this `ProjectBillingInfo` represents, such as
-            # `tokyo-rain-123`. This is a convenience field so that you don't need to
-            # parse the `name` field to obtain a project ID. This field is read-only.
       },
     ],
+    "nextPageToken": "A String", # A token to retrieve the next page of results. To retrieve the next page,
+        # call `ListProjectBillingInfo` again with the `page_token` field set to this
+        # value. This field is empty if there are no more results to retrieve.
   }</pre>
 </div>