From 3c32c91b531b64a78dde4cd94d93d5941f12c109 Mon Sep 17 00:00:00 2001
From: Yongjing Zhang <zhangyongjing@huawei.com>
Date: Wed, 18 Jul 2018 17:49:26 -0400
Subject: [PATCH] update the relationship between Product and DeviceClass

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