Change gae to apache 2 license.

service/datastore/checkfilter_test.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.
 
 // adapted from github.com/golang/appengine/datastore
 
 package datastore
 
 import (
         "testing"
 
         "github.com/luci/gae/service/info"
         . "github.com/smartystreets/goconvey/convey"
@@ skipping 115 matching lines @@
                                 So(rds.DeleteMulti([]*Key{mkKey("s~aid", "ns", "Kind", 1)}, func(error) error {
                                         hit = true
                                         return nil
                                 }), ShouldBeNil)
                         }, ShouldPanic)
                         So(hit, ShouldBeFalse)
                 })
 
         })
 }