Change gae to apache 2 license.

service/datastore/key_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 datastore
 
 import (
         "encoding/json"
         "fmt"
         "testing"
 
         . "github.com/luci/luci-go/common/testing/assertions"
         . "github.com/smartystreets/goconvey/convey"
@@ skipping 226 matching lines @@
                 }
 
                 for i := 1; i < len(s); i++ {
                         So(s[i-1], shouldBeLess, s[i])
                         So(s[i-1], shouldNotBeEqual, s[i])
                         So(s[i], shouldNotBeEqual, s[i-1])
                         So(s[i], shouldNotBeLess, s[i-1])
                 }
         })
 }