tree ac747fb0a84007e6598320320c88fe4c56aec44c
parent 908b002ed23167fb55ddb41c966d9a628fcb2b30
author Remi NGUYEN VAN <reminv@google.com> 1623217320 +0900
committer Remi NGUYEN VAN <reminv@google.com> 1623217320 +0900

Improve handling of invalid private DNS settings

When private DNS mode is strict, there should always be a private DNS
specifier with the hostname.

Instead of restoring an invalid strict mode setting when set,
have tests reset private DNS mode to opportunistic and fail.

Bug: 190465704
Test: atest CtsNetTestCases
Change-Id: I45adc527267aa86d52e824f426699c5a7e874f63