Change gae to apache 2 license.

service/datastore/meta/eg_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 (
         "errors"
         "testing"
 
         "github.com/luci/gae/filter/featureBreaker"
         "github.com/luci/gae/impl/memory"
         "github.com/luci/gae/service/datastore"
@@ skipping 30 matching lines @@
                 v, err = GetEntityGroupVersion(c, ds.NewKey("madeUp", "thing", 0, nil))
                 So(err, ShouldBeNil)
                 So(v, ShouldEqual, 0)
 
                 fb.BreakFeatures(nil, "GetMulti")
 
                 v, err = GetEntityGroupVersion(c, aKey)
                 So(err.Error(), ShouldContainSubstring, "INTERNAL_ERROR")
         })
 }