大华可视对讲功能优化，自研可视对讲Android接入

wxr

2022-04-01 764185112d44c387e16f0483d8da898f8d998944

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<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
    <base-config cleartextTrafficPermitted="true"/>
</network-security-config>