add interface to start first run when voice interaction oobe is completed

components/arc/common/voice_interaction_arc_home.mojom

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
-// Next MinVersion: 1
+// Next MinVersion: 2
 
 module arc.mojom;
 
 import "mojo/common/string16.mojom";
 import "screen_rect.mojom";
 
 // Represents the start and end unicode char indices of the selected
 // portion of the text [start, end).
 struct TextSelection {
   int32 start_selection;
@@ skipping 27 matching lines @@
 
   // Fake Android view class name of the element.  Each node is assigned
   // a closest approximation of Android's views.
   string class_name;
 
   // Children of current node
   array<VoiceInteractionStructure> children;
 };
 
 // Handles voice interaction queries from Android.
-// Next method ID: 1
+// Next method ID: 3
 interface VoiceInteractionArcHomeHost {
   // Returns view hierarchy of current window represented as
   // VoiceInteractionStructure. Returns empty if the request
   // fails.
   GetVoiceInteractionStructure@1() => (VoiceInteractionStructure? structure);
+
+  // Notifies VoiceInteractionArcHomeHost that voice interaction OOBE setup
+  // is done.
+  [MinVersion=1] OnVoiceInteractionOobeSetupComplete@2();
 };
 
 // Connects with ArcHome.
 // Next method ID: 1
 interface VoiceInteractionArcHomeInstance {
   Init@0(VoiceInteractionArcHomeHost host_ptr);
 };