Change gae to apache 2 license.

impl/memory/gkvlite_utils.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 (
         "bytes"
         "runtime"
         "sync"
 
         "github.com/luci/gae/service/datastore"
         "github.com/luci/gkvlite"
@@ skipping 178 matching lines @@
         }
         err := mc.c.VisitItemsAscend(target, withValue, visitor)
         memoryCorruption(err)
 }
 
 func (mc *memCollectionImpl) GetTotals() (numItems, numBytes uint64) {
         numItems, numBytes, err := mc.c.GetTotals()
         memoryCorruption(err)
         return
 }