Change gae to apache 2 license.

filter/dscache/plan.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"
 
         ds "github.com/luci/gae/service/datastore"
         mc "github.com/luci/gae/service/memcache"
         "github.com/luci/luci-go/common/errors"
         "github.com/luci/luci-go/common/logging"
@@ skipping 114 matching lines @@
                                 p.add(i, getKey, m, nil)
                         }
 
                 default:
                         // have some other sort of object, or our AddMulti failed to add this item.
                         p.add(i, getKey, m, nil)
                 }
         }
         return &p
 }