[automerger skipped] Implement DNS probe in DoT validation am: 59cd583e am:...

[automerger skipped] Implement DNS probe in DoT validation am: 59cd583e am: 0c171dff -s ours am: badc6112 -s ours

am skip reason: Merged-In I8507c409b0cb6e48655d54611256917392db69ac with SHA-1 59cd583e is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/14997552

Change-Id: I0786014b8c2f4b82dffb8b60cb3231e7326238af