Change gae to apache 2 license.

filter/txnBuf/query_merger.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 txnBuf
 
 import (
         "bytes"
         "sort"
 
         "github.com/luci/gae/impl/memory"
         ds "github.com/luci/gae/service/datastore"
         "github.com/luci/gae/service/datastore/serialize"
@@ skipping 275 matching lines @@
                 }
                 if !foundOne {
                         return nil, nil
                 }
         }
         if end != nil && bytes.Compare(soFar, end) >= 0 {
                 return nil, nil
         }
         return soFar, ps["__key__"][0]
 }