Add ConnectionManagerAndroid.

Just a stub implementation that always allow update right now.

Test: mma
Bug: 28800946

Change-Id: I4ff6164d459d142567d49a351f70128f5fc74b9f
diff --git a/connection_manager_android.cc b/connection_manager_android.cc
new file mode 100644
index 0000000..2dd824a
--- /dev/null
+++ b/connection_manager_android.cc
@@ -0,0 +1,38 @@
+//
+// Copyright (C) 2016 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "update_engine/connection_manager_android.h"
+
+namespace chromeos_update_engine {
+
+namespace connection_manager {
+std::unique_ptr<ConnectionManagerInterface> CreateConnectionManager(
+    SystemState* system_state) {
+  return std::unique_ptr<ConnectionManagerInterface>(
+      new ConnectionManagerAndroid());
+}
+}
+
+bool ConnectionManagerAndroid::GetConnectionProperties(
+    ConnectionType* out_type, ConnectionTethering* out_tethering) {
+  return false;
+}
+bool ConnectionManagerAndroid::IsUpdateAllowedOver(
+    ConnectionType type, ConnectionTethering tethering) const {
+  return true;
+}
+
+}  // namespace chromeos_update_engine