Merge "Add safety comments." into main am: 367ade7e am: 619328d7 am:...

Merge "Add safety comments." into main am: 367ade7e am: 619328d7 am: 625c6af8 am: 61fc635c am: a99da579

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2671476



Change-Id: I60b2e0a03e3402c24592276cf4e3999f595e39c0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>