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/cloudbuild_v1.operations.html b/docs/dyn/cloudbuild_v1.operations.html
index d6c21f0..990690d 100644
--- a/docs/dyn/cloudbuild_v1.operations.html
+++ b/docs/dyn/cloudbuild_v1.operations.html
@@ -146,12 +146,6 @@
 
     { # This resource represents a long-running operation that is the result of a
       # network API call.
-    "metadata": { # Service-specific metadata associated with the operation.  It typically
-        # contains progress information and common metadata such as create time.
-        # Some services might not provide such metadata.  Any method that returns a
-        # long-running operation should document the metadata type, if any.
-      "a_key": "", # Properties of the object. Contains field @type with type URL.
-    },
     "error": { # The `Status` type defines a logical error model that is suitable for different # The error result of the operation in case of failure or cancellation.
         # programming environments, including REST APIs and RPC APIs. It is used by
         # [gRPC](https://github.com/grpc). The error model is designed to be:
@@ -231,6 +225,12 @@
     "name": "A String", # The server-assigned name, which is only unique within the same service that
         # originally returns it. If you use the default HTTP mapping, the
         # `name` should have the format of `operations/some/unique/name`.
+    "metadata": { # Service-specific metadata associated with the operation.  It typically
+        # contains progress information and common metadata such as create time.
+        # Some services might not provide such metadata.  Any method that returns a
+        # long-running operation should document the metadata type, if any.
+      "a_key": "", # Properties of the object. Contains field @type with type URL.
+    },
   }</pre>
 </div>
 
@@ -256,15 +256,10 @@
   An object of the form:
 
     { # The response message for Operations.ListOperations.
+    "nextPageToken": "A String", # The standard List next-page token.
     "operations": [ # A list of operations that matches the specified filter in the request.
       { # This resource represents a long-running operation that is the result of a
           # network API call.
-        "metadata": { # Service-specific metadata associated with the operation.  It typically
-            # contains progress information and common metadata such as create time.
-            # Some services might not provide such metadata.  Any method that returns a
-            # long-running operation should document the metadata type, if any.
-          "a_key": "", # Properties of the object. Contains field @type with type URL.
-        },
         "error": { # The `Status` type defines a logical error model that is suitable for different # The error result of the operation in case of failure or cancellation.
             # programming environments, including REST APIs and RPC APIs. It is used by
             # [gRPC](https://github.com/grpc). The error model is designed to be:
@@ -344,9 +339,14 @@
         "name": "A String", # The server-assigned name, which is only unique within the same service that
             # originally returns it. If you use the default HTTP mapping, the
             # `name` should have the format of `operations/some/unique/name`.
+        "metadata": { # Service-specific metadata associated with the operation.  It typically
+            # contains progress information and common metadata such as create time.
+            # Some services might not provide such metadata.  Any method that returns a
+            # long-running operation should document the metadata type, if any.
+          "a_key": "", # Properties of the object. Contains field @type with type URL.
+        },
       },
     ],
-    "nextPageToken": "A String", # The standard List next-page token.
   }</pre>
 </div>