Change gae to apache 2 license.

service/datastore/testable.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 datastore
 
 // TestingSnapshot is an opaque implementation-defined snapshot type.
 type TestingSnapshot interface {
         ImATestingSnapshot()
 }
 
 // Testable is the testable interface for fake datastore implementations.
 type Testable interface {
@@ skipping 53 matching lines @@
         //   - Put'ing incomplete Keys returns an error.
         //   - Transactions are disabled and will return an error.
         //
         // This is mainly only useful when using an embedded in-memory datastore as
         // a fully-consistent 'datastore-lite'. In particular, this is useful for the
         // txnBuf filter which uses it to fulfil queries in a buffered transaction,
         // but never wants the in-memory versions of these entities to bleed through
         // to the user code.
         DisableSpecialEntities(bool)
 }