deflake DscpPolicyTest

whoever said connect()-ing a second time would change
the previously selected source ip?

Test: atest DscpPolicyTest
Bug: 235559605
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I015b443b7063940d0aa536f40b36686f42e19902
Merged-In: I015b443b7063940d0aa536f40b36686f42e19902
(cherry picked from commit b625a55e2f17d9ce46cd2a78f49e7a6bb5c71dec)
1 file changed