Change gae to apache 2 license.

service/datastore/meta/namespaces_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.
 
 package meta
 
 import (
         "testing"
 
         "github.com/luci/gae/impl/memory"
         "github.com/luci/gae/service/datastore"
         "github.com/luci/gae/service/info"
         "golang.org/x/net/context"
@@ skipping 48 matching lines @@
                         })
 
                         Convey(`Can get namespaces with prefix "baz-".`, func() {
                                 var coll NamespacesCollector
                                 So(NamespacesWithPrefix(ctx, "baz-", coll.Callback), ShouldBeNil)
                                 So(coll, ShouldResemble, NamespacesCollector{"baz-a", "baz-b"})
                         })
                 })
         })
 }