Change gae to apache 2 license.

service/taskqueue/interface.go

-// Copyright 2015 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.
+// Copyright 2015 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
 
 package taskqueue
 
 // Interface is the full interface to the Task Queue service.
 type Interface interface {
         Add(task *Task, queueName string) error
         Delete(task *Task, queueName string) error
 
         AddMulti(tasks []*Task, queueName string) error
         DeleteMulti(tasks []*Task, queueName string) error
@@ skipping 18 matching lines @@
         // task, as well as releasing as many leased tasks as it can on a failure.
 
         Purge(queueName string) error
 
         Stats(queueNames ...string) ([]Statistics, error)
 
         Testable() Testable
 
         Raw() RawInterface
 }