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: 89b7356c am: b0e1521d

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



Change-Id: I30df300a429020c0f169e3bc8d1b53b6ea1f7183
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>