Expose Android sensors to via Mojo services

sky/framework/shell.dart

+// 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.
+
+import "/mojo/public/dart/application.dart";
+import "dart:sky.internals" as internals;
+import "mojo:core" as core;
+import "package:mojo/public/interfaces/application/service_provider.mojom.dart";
+
+ApplicationConnection _initConnection() {
+  int rawHandle = internals.takeServicesProvidedByEmbedder();
+  core.MojoHandle proxyHandle = new core.MojoHandle(rawHandle);
+  ServiceProviderProxy serviceProvider = null;
+  if (proxyHandle.isValid)
+    serviceProvider = new ServiceProviderProxy.fromHandle(proxyHandle);
+  return new ApplicationConnection(null, serviceProvider);
+}
+
+final ApplicationConnection _connection = _initConnection();
+
+void requestService(Object proxy) {
+  _connection.requestService(proxy);
+}