Merge "Delete command objects in DnsProxyListener destructor" am: fef7c1a1 am: 617f7d5f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2542070



Change-Id: I08be8cab4b01a851b387bfd6ec517f3c4f107ba3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>