Read DNS query log settings from system property am: 5f01f311 am: c7bef5d3...

Read DNS query log settings from system property am: 5f01f311 am: c7bef5d3 am: 6fb8b996 am: d3993061 am: 5da43077

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



Change-Id: I8fa3d29f6fbe41b5a7382c380616bcaaf8941943
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>