Change gae to apache 2 license.

service/taskqueue/raw_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
 
 // RawCB is a simple callback for RawInterface.DeleteMulti, getting the error
 // for the attempted deletion.
 type RawCB func(error)
 
 // RawTaskCB is the callback for RawInterface.AddMulti, getting the added task
 // and an error.
 type RawTaskCB func(*Task, error)
@@ skipping 11 matching lines @@
         // anonymous (e.g. the Name field was blank).
         AddMulti(tasks []*Task, queueName string, cb RawTaskCB) error
         DeleteMulti(tasks []*Task, queueName string, cb RawCB) error
 
         Purge(queueName string) error
 
         Stats(queueNames []string, cb RawStatsCB) error
 
         Testable() Testable
 }