[automerger skipped] Add PRIVATE_DNS_MODE setting setter am: 5dfacdee am:...

[automerger skipped] Add PRIVATE_DNS_MODE setting setter am: 5dfacdee am: f8215991 am: f7b4e3d0 -s ours am: 15c76913 -s ours am: 1fbd2254 -s ours

am skip reason: Merged-In If234426f041606c4881de1eca31b6f5bdb3c6bfe with SHA-1 37135512 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1654014

Change-Id: I5d254288007a2db56ac96fcd6893006ad0d9ed57