如何在Nougat中添加网络安全配置以启用Charles proxy SSL？

<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
    <base-config>
        <trust-anchors>
            <certificates src="system" />
            <certificates src="user" />
        </trust-anchors>
    </base-config>
    <debug-overrides>
        <trust-anchors>
            <certificates src="system" />
            <certificates src="user" />
        </trust-anchors>
    </debug-overrides>
</network-security-config>

<application
    ...
    android:networkSecurityConfig="@xml/network_security_config"
    ...>
    ...
</application>