Change gae to apache 2 license.

impl/prod/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 prod
 
 import (
         "time"
 
         "github.com/luci/gae/service/info"
         "golang.org/x/net/context"
         "google.golang.org/appengine"
         "google.golang.org/appengine/datastore"
@@ skipping 125 matching lines @@
 func getProbeCache(c context.Context) *infoProbeCache {
         if pc, ok := c.Value(probeCacheKey).(*infoProbeCache); ok {
                 return pc
         }
         return nil
 }
 
 func withProbeCache(c context.Context, pc *infoProbeCache) context.Context {
         return context.WithValue(c, probeCacheKey, pc)
 }