Read DNS query log settings from system property am: 5f01f311 am: 2a31e017...

Read DNS query log settings from system property am: 5f01f311 am: 2a31e017 am: c1f9dece am: 77f3b44e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2564476



Change-Id: I8df478ee54ff6a7758cbcb7ff9a8668c69d5a5fd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>