Remove FilterRelation.In / "property IN" queries, upgrade googleapis{,_beta} dependencies

test/db/properties_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library gcloud.db.properties_test;
 
 import 'dart:typed_data';
 
 import 'package:gcloud/db.dart';
 import 'package:gcloud/datastore.dart' as datastore;
@@ skipping 99 matching lines @@
       var prop = const ListProperty(const BoolProperty());
 
       expect(prop.validate(null, null), isFalse);
       expect(prop.validate(null, []), isTrue);
       expect(prop.validate(null, [true]), isTrue);
       expect(prop.validate(null, [true, false]), isTrue);
       expect(prop.validate(null, [true, false, 1]), isFalse);
       expect(prop.encodeValue(null, []), equals(null));
       expect(prop.encodeValue(null, [true]), equals(true));
       expect(prop.encodeValue(null, [true, false]), equals([true, false]));
+      expect(prop.encodeValue(null, true, forComparison: true), equals(true));
+      expect(prop.encodeValue(null, false, forComparison: true), equals(false));
+      expect(prop.encodeValue(null, null, forComparison: true), equals(null));
       expect(prop.decodePrimitiveValue(null, null), equals([]));
       expect(prop.decodePrimitiveValue(null, []), equals([]));
       expect(prop.decodePrimitiveValue(null, true), equals([true]));
       expect(prop.decodePrimitiveValue(null, [true, false]),
              equals([true, false]));
     });
 
     test('composed_list_property', () {
       var prop = const ListProperty(const CustomProperty());
 
@@ skipping 101 matching lines @@
      throw "Broken test";
     }
     return _datastoreKey;
   }
 
   Map<String, Property> propertiesForModel(modelDescription) => null;
   Model fromDatastoreEntity(datastore.Entity entity) => null;
   datastore.Entity toDatastoreEntity(Model model) => null;
   String fieldNameToPropertyName(String kind, String fieldName) => null;
   String kindName(Type type) => null;
-  Object toDatastoreValue(String kind, String fieldName, Object value) => null;
+  Object toDatastoreValue(String kind, String fieldName, Object value, {bool forComparison: false}) => null;
 }