Use DomainHistoryVKey to restore symmetric VKey (#874)

* Use DomainHistoryVKey to restore symmetric VKey

* Rebase on HEAD

db/src/main/resources/sql/flyway/V78__add_history_id_for_redemption_history_entry.sql

@@ -0,0 +1,20 @@
+-- Copyright 2020 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 "AllocationToken"
+    rename column "redemption_history_entry"
+    to "redemption_domain_repo_id";
+
+alter table "AllocationToken"
+    add column if not exists "redemption_domain_history_id" int8;