message: Remove temporary value app_id
  Reflecting review comment.
diff: @@ -808,18 +808,16 @@ bool PolicyHandler::IsAppSuitableForPolicyUpdate(
  const Applications::value_type value) const {
  LOG4CXX_AUTO_TRACE(logger_);
  -#ifdef ENABLE_LOG
  - const uint32_t app_id = value->app_id();
  -#endif
  -
  if (!value->IsRegistered()) {
  LOG4CXX_DEBUG(logger_,
  - "Application " << app_id << " is not marked as registered.");
  + "Application " << value->app_id()
  + << " is not marked as registered.");
  return false;
  }
  LOG4CXX_DEBUG(logger_,
  - "Application " << app_id << " marked as registered."
  + "Application " << value->app_id()
  + << " marked as registered."
  "Checking its parameters.");
  DeviceParams device_params = GetDeviceParams(
  