Fix method doc signatures for multiline required parameters (#374)

* Fix method doc signatures for multiline required parameters.

Existing doc generator failed to recognize parameters as required when parameter descriptions
extended over more than one line. Besides presenting incorrect information, resulting
inconsistencies broke checks for automated sample generation.

* Regen docs
diff --git a/docs/dyn/genomics_v1alpha2.pipelines.html b/docs/dyn/genomics_v1alpha2.pipelines.html
index 183bb9a..75c9eab 100644
--- a/docs/dyn/genomics_v1alpha2.pipelines.html
+++ b/docs/dyn/genomics_v1alpha2.pipelines.html
@@ -78,10 +78,10 @@
   <code><a href="#create">create(body, x__xgafv=None)</a></code></p>
 <p class="firstline">Creates a pipeline that can be run later. Create takes a Pipeline that</p>
 <p class="toc_element">
-  <code><a href="#delete">delete(pipelineId=None, x__xgafv=None)</a></code></p>
+  <code><a href="#delete">delete(pipelineId, x__xgafv=None)</a></code></p>
 <p class="firstline">Deletes a pipeline based on ID.</p>
 <p class="toc_element">
-  <code><a href="#get">get(pipelineId=None, x__xgafv=None)</a></code></p>
+  <code><a href="#get">get(pipelineId, x__xgafv=None)</a></code></p>
 <p class="firstline">Retrieves a pipeline based on ID.</p>
 <p class="toc_element">
   <code><a href="#getControllerConfig">getControllerConfig(validationToken=None, x__xgafv=None, operationId=None)</a></code></p>
@@ -736,7 +736,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="delete">delete(pipelineId=None, x__xgafv=None)</code>
+    <code class="details" id="delete">delete(pipelineId, x__xgafv=None)</code>
   <pre>Deletes a pipeline based on ID.
 
 Caller must have WRITE permission to the project.
@@ -765,7 +765,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="get">get(pipelineId=None, x__xgafv=None)</code>
+    <code class="details" id="get">get(pipelineId, x__xgafv=None)</code>
   <pre>Retrieves a pipeline based on ID.
 
 Caller must have READ permission to the project.
@@ -1108,9 +1108,7 @@
     { # Stores the information that the controller will fetch from the
       # server in order to run. Should only be used by VMs created by the
       # Pipelines Service and not by end users.
-    "disks": {
-      "a_key": "A String",
-    },
+    "cmd": "A String",
     "machineType": "A String",
     "vars": {
       "a_key": "A String",
@@ -1124,7 +1122,9 @@
       },
     },
     "image": "A String",
-    "cmd": "A String",
+    "disks": {
+      "a_key": "A String",
+    },
     "gcsSources": {
       "a_key": {
         "values": [
@@ -2029,6 +2029,7 @@
 { # Request to set operation status. Should only be used by VMs
       # created by the Pipelines Service and not by end users.
     "errorCode": "A String",
+    "errorMessage": "A String",
     "timestampEvents": [
       { # Stores the list of events and times they occured for major events in job
           # execution.
@@ -2036,9 +2037,8 @@
         "description": "A String", # String indicating the type of event
       },
     ],
-    "errorMessage": "A String",
-    "validationToken": "A String",
     "operationId": "A String",
+    "validationToken": "A String",
   }
 
   x__xgafv: string, V1 error format.