dbus: Make Bus::GetManagedObjects skip unavailable services.

device/bluetooth/dbus/bluez_dbus_manager.cc

Index: device/bluetooth/dbus/bluez_dbus_manager.cc
diff --git a/device/bluetooth/dbus/bluez_dbus_manager.cc b/device/bluetooth/dbus/bluez_dbus_manager.cc
index e44efe52420c2fb3056a960ee736809e40ff903c..99711d679ec75c5f2ad30e3071031c43bbe17214 100644
--- a/device/bluetooth/dbus/bluez_dbus_manager.cc
+++ b/device/bluetooth/dbus/bluez_dbus_manager.cc
@@ -195,11 +195,6 @@ void BluezDBusManager::InitializeClients() {
   client_bundle_->bluetooth_media_client()->Init(GetSystemBus());
   client_bundle_->bluetooth_media_transport_client()->Init(GetSystemBus());
   client_bundle_->bluetooth_profile_manager_client()->Init(GetSystemBus());
-
-  // This must be called after the list of clients so they've each had a
-  // chance to register with their object g_dbus_thread_managers.
-  if (GetSystemBus())
-    GetSystemBus()->GetManagedObjects();
 }
 
 // static