Merge "Revert "Add RebootTargetPreparer for tests that require root...

Merge "Revert "Add RebootTargetPreparer for tests that require root permission"" am: 497fc636 am: e756941a am: 1d33e9ee am: 0d5cf747

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2331363



Change-Id: I7618be4735e7b276881d218691a46b37b87431e7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>