Add notify to /changes/{change-id}/edit:publish.

Adds optional notify parameter to change edit:publish API.

Bug: Issue 4483
Change-Id: Ife7ded1347d98e4ce9d808aec68dff0b2d27bd23

gerrit-extension-api/src/main/java/com/google/gerrit/extensions/api/changes/PublishChangeEditInput.java

@@ -0,0 +1,21 @@
+// Copyright (C) 2016 The Android Open Source Project
+//
+// 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.
+
+package com.google.gerrit.extensions.api.changes;
+
+/** Input passed to {@code POST /changes/[id]/edit:publish/}. */
+public class PublishChangeEditInput {
+  /** Who to send email notifications to after the change edit is published. */
+  public NotifyHandling notify = NotifyHandling.ALL;
+}