Merge in DNS/adguard-home from 2102-dnsrewrite-tests to master Updates #2102. Squashed commit of the following: commit 894ff4baf8378d6e3386e09c416d55241a01f79e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Jan 14 14:49:28 2021 +0300 dnsforward: add dnsrewrite tests