Fix carrier app CaptivePortalLoginActivity probes to bypass Private DNS

Test: as follows
    - built
    - flashed
    - booted
    - runtest frameworks-net passes
Bug: 64133961
Bug: 77140445
Bug: 78548486

Change-Id: I48c60fd6711dcf5406fba62a3f88aea12183ff87
1 file changed