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_v1.readgroupsets.html b/docs/dyn/genomics_v1.readgroupsets.html
index 281e8d3..b011e26 100644
--- a/docs/dyn/genomics_v1.readgroupsets.html
+++ b/docs/dyn/genomics_v1.readgroupsets.html
@@ -80,10 +80,10 @@
 <p class="firstline">Returns the coveragebuckets Resource.</p>
 
 <p class="toc_element">
-  <code><a href="#delete">delete(readGroupSetId=None, x__xgafv=None)</a></code></p>
+  <code><a href="#delete">delete(readGroupSetId, x__xgafv=None)</a></code></p>
 <p class="firstline">Deletes a read group set.</p>
 <p class="toc_element">
-  <code><a href="#export">export(readGroupSetId=None, body, x__xgafv=None)</a></code></p>
+  <code><a href="#export">export(readGroupSetId, body, x__xgafv=None)</a></code></p>
 <p class="firstline">Exports a read group set to a BAM file in Google Cloud Storage.</p>
 <p class="toc_element">
   <code><a href="#get">get(readGroupSetId, x__xgafv=None)</a></code></p>
@@ -92,7 +92,7 @@
   <code><a href="#import_">import_(body, x__xgafv=None)</a></code></p>
 <p class="firstline">Creates read group sets by asynchronously importing the provided</p>
 <p class="toc_element">
-  <code><a href="#patch">patch(readGroupSetId=None, body, updateMask=None, x__xgafv=None)</a></code></p>
+  <code><a href="#patch">patch(readGroupSetId, body, updateMask=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Updates a read group set.</p>
 <p class="toc_element">
   <code><a href="#search">search(body, x__xgafv=None)</a></code></p>
@@ -102,7 +102,7 @@
 <p class="firstline">Retrieves the next page of results.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="delete">delete(readGroupSetId=None, x__xgafv=None)</code>
+    <code class="details" id="delete">delete(readGroupSetId, x__xgafv=None)</code>
   <pre>Deletes a read group set.
 
 For the definitions of read group sets and other genomics resources, see
@@ -133,7 +133,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="export">export(readGroupSetId=None, body, x__xgafv=None)</code>
+    <code class="details" id="export">export(readGroupSetId, body, x__xgafv=None)</code>
   <pre>Exports a read group set to a BAM file in Google Cloud Storage.
 
 For the definitions of read group sets and other genomics resources, see
@@ -303,10 +303,10 @@
             # only the first read group in a returned set will have this field
             # populated.
           {
-            "id": "A String", # The user specified locally unique ID of the program. Used along with
-                # `prevProgramId` to define an ordering between programs.
             "commandLine": "A String", # The command line used to run this program.
             "version": "A String", # The version of the program run.
+            "id": "A String", # The user specified locally unique ID of the program. Used along with
+                # `prevProgramId` to define an ordering between programs.
             "name": "A String", # The display name of the program. This is typically the colloquial name of
                 # the tool used, for example 'bwa' or 'picard'.
             "prevProgramId": "A String", # The ID of the program run before this one.
@@ -366,8 +366,10 @@
     The object takes the form of:
 
 { # The read group set import request.
-    "partitionStrategy": "A String", # The partition strategy describes how read groups are partitioned into read
-        # group sets.
+    "referenceSetId": "A String", # The reference set to which the imported read group sets are aligned to, if
+        # any. The reference names of this reference set must be a superset of those
+        # found in the imported file headers. If no reference set id is provided, a
+        # best effort is made to associate with a matching reference set.
     "sourceUris": [ # A list of URIs pointing at [BAM
         # files](https://samtools.github.io/hts-specs/SAMv1.pdf)
         # in Google Cloud Storage.
@@ -380,10 +382,8 @@
         # the import immediately after the files are created.
       "A String",
     ],
-    "referenceSetId": "A String", # The reference set to which the imported read group sets are aligned to, if
-        # any. The reference names of this reference set must be a superset of those
-        # found in the imported file headers. If no reference set id is provided, a
-        # best effort is made to associate with a matching reference set.
+    "partitionStrategy": "A String", # The partition strategy describes how read groups are partitioned into read
+        # group sets.
     "datasetId": "A String", # Required. The ID of the dataset these read group sets will belong to. The
         # caller must have WRITE permissions to this dataset.
   }
@@ -475,7 +475,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(readGroupSetId=None, body, updateMask=None, x__xgafv=None)</code>
+    <code class="details" id="patch">patch(readGroupSetId, body, updateMask=None, x__xgafv=None)</code>
   <pre>Updates a read group set.
 
 For the definitions of read group sets and other genomics resources, see
@@ -525,10 +525,10 @@
           # only the first read group in a returned set will have this field
           # populated.
         {
-          "id": "A String", # The user specified locally unique ID of the program. Used along with
-              # `prevProgramId` to define an ordering between programs.
           "commandLine": "A String", # The command line used to run this program.
           "version": "A String", # The version of the program run.
+          "id": "A String", # The user specified locally unique ID of the program. Used along with
+              # `prevProgramId` to define an ordering between programs.
           "name": "A String", # The display name of the program. This is typically the colloquial name of
               # the tool used, for example 'bwa' or 'picard'.
           "prevProgramId": "A String", # The ID of the program run before this one.
@@ -611,10 +611,10 @@
             # only the first read group in a returned set will have this field
             # populated.
           {
-            "id": "A String", # The user specified locally unique ID of the program. Used along with
-                # `prevProgramId` to define an ordering between programs.
             "commandLine": "A String", # The command line used to run this program.
             "version": "A String", # The version of the program run.
+            "id": "A String", # The user specified locally unique ID of the program. Used along with
+                # `prevProgramId` to define an ordering between programs.
             "name": "A String", # The display name of the program. This is typically the colloquial name of
                 # the tool used, for example 'bwa' or 'picard'.
             "prevProgramId": "A String", # The ID of the program run before this one.
@@ -725,10 +725,10 @@
                 # only the first read group in a returned set will have this field
                 # populated.
               {
-                "id": "A String", # The user specified locally unique ID of the program. Used along with
-                    # `prevProgramId` to define an ordering between programs.
                 "commandLine": "A String", # The command line used to run this program.
                 "version": "A String", # The version of the program run.
+                "id": "A String", # The user specified locally unique ID of the program. Used along with
+                    # `prevProgramId` to define an ordering between programs.
                 "name": "A String", # The display name of the program. This is typically the colloquial name of
                     # the tool used, for example 'bwa' or 'picard'.
                 "prevProgramId": "A String", # The ID of the program run before this one.