Change gae to apache 2 license.

filter/dscache/serialize.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 dscache
 
 import (
         "bytes"
         "compress/zlib"
         "io/ioutil"
 
         ds "github.com/luci/gae/service/datastore"
         "github.com/luci/gae/service/datastore/serialize"
@@ skipping 37 matching lines @@
                 }
                 defer reader.Close()
                 data, err := ioutil.ReadAll(reader)
                 if err != nil {
                         return nil, err
                 }
                 buf = bytes.NewBuffer(data)
         }
         return serialize.ReadPropertyMap(buf, serialize.WithoutContext, ns, aid)
 }