Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/bigquerydatatransfer_v1.projects.transferConfigs.runs.transferLogs.html b/docs/dyn/bigquerydatatransfer_v1.projects.transferConfigs.runs.transferLogs.html
index bdcadfe..48b84de 100644
--- a/docs/dyn/bigquerydatatransfer_v1.projects.transferConfigs.runs.transferLogs.html
+++ b/docs/dyn/bigquerydatatransfer_v1.projects.transferConfigs.runs.transferLogs.html
@@ -72,30 +72,30 @@
 
 </style>
 
-<h1><a href="bigquerydatatransfer_v1.html">BigQuery Data Transfer Service API</a> . <a href="bigquerydatatransfer_v1.projects.html">projects</a> . <a href="bigquerydatatransfer_v1.projects.transferConfigs.html">transferConfigs</a> . <a href="bigquerydatatransfer_v1.projects.transferConfigs.runs.html">runs</a> . <a href="bigquerydatatransfer_v1.projects.transferConfigs.runs.transferLogs.html">transferLogs</a></h1>
+<h1><a href="bigquerydatatransfer_v1.html">BigQuery Data Transfer API</a> . <a href="bigquerydatatransfer_v1.projects.html">projects</a> . <a href="bigquerydatatransfer_v1.projects.transferConfigs.html">transferConfigs</a> . <a href="bigquerydatatransfer_v1.projects.transferConfigs.runs.html">runs</a> . <a href="bigquerydatatransfer_v1.projects.transferConfigs.runs.transferLogs.html">transferLogs</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#list">list(parent, pageSize=None, messageTypes=None, pageToken=None, x__xgafv=None)</a></code></p>
+  <code><a href="#list">list(parent, pageSize=None, pageToken=None, messageTypes=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Returns user facing log messages for the data transfer run.</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="list">list(parent, pageSize=None, messageTypes=None, pageToken=None, x__xgafv=None)</code>
+    <code class="details" id="list">list(parent, pageSize=None, pageToken=None, messageTypes=None, x__xgafv=None)</code>
   <pre>Returns user facing log messages for the data transfer run.
 
 Args:
   parent: string, Transfer run name in the form:
 `projects/{project_id}/transferConfigs/{config_Id}/runs/{run_id}`. (required)
   pageSize: integer, Page size. The default page size is the maximum value of 1000 results.
-  messageTypes: string, Message types to return. If not populated - INFO, WARNING and ERROR
-messages are returned. (repeated)
   pageToken: string, Pagination token, which can be used to request a specific page
 of `ListTransferLogsRequest` list results. For multiple-page
 results, `ListTransferLogsResponse` outputs
 a `next_page` token, which can be used as the
 `page_token` value to request the next page of list results.
+  messageTypes: string, Message types to return. If not populated - INFO, WARNING and ERROR
+messages are returned. (repeated)
   x__xgafv: string, V1 error format.
     Allowed values
       1 - v1 error format
@@ -105,13 +105,11 @@
   An object of the form:
 
     { # The returned list transfer run messages.
-    "nextPageToken": "A String", # The next-pagination token. For multiple-page list results,
+    "nextPageToken": "A String", # Output only. The next-pagination token. For multiple-page list results,
         # this token can be used as the
         # `GetTransferRunLogRequest.page_token`
         # to request the next page of list results.
-        # @OutputOnly
-    "transferMessages": [ # The stored pipeline transfer messages.
-        # @OutputOnly
+    "transferMessages": [ # Output only. The stored pipeline transfer messages.
       { # Represents a user facing message for a particular data transfer run.
         "messageTime": "A String", # Time when message was logged.
         "messageText": "A String", # Message text.