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 am: e2800650 am: 1cf89953

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



Change-Id: I00f9aae46a558aab7ea1f7d7f91add60df873fda
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>