Write ClaimsList to Cloud SQL (#223)

* Rewrite ClaimsListShard with new API

* Write ClaimsList to Cloud SQL

* Add creationTimestamp

db/src/main/resources/sql/flyway/V7__update_claims_list.sql

@@ -0,0 +1,15 @@
+-- Copyright 2019 The Nomulus Authors. All Rights Reserved.
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+
+alter table "ClaimsList" add column if not exists tmdb_generation_time timestamp with time zone not null;

db/src/main/resources/sql/schema/nomulus.golden.sql

@@ -50,7 +50,8 @@ CREATE TABLE public."ClaimsEntry" (
 
 CREATE TABLE public."ClaimsList" (
     revision_id bigint NOT NULL,
-    creation_timestamp timestamp with time zone NOT NULL
+    creation_timestamp timestamp with time zone NOT NULL,
+    tmdb_generation_time timestamp with time zone NOT NULL
 );