Change gae to apache 2 license.

impl/memory/info.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 memory
 
 import (
         "fmt"
         "regexp"
 
         "github.com/luci/gae/impl/dummy"
         "github.com/luci/gae/service/info"
         "golang.org/x/net/context"
@@ skipping 112 matching lines @@
         return useGID(gi.c, func(mod *globalInfoData) {
                 mod.versionID = v
         })
 }
 
 func (gi *giImpl) SetRequestID(v string) context.Context {
         return useGID(gi.c, func(mod *globalInfoData) {
                 mod.requestID = v
         })
 }