UnixSocket::Listen: propagate correct type across overloads. am: 499d9564de
UnixSocket::Listen: propagate correct type across overloads.
am: 499d9564de

Change-Id: I46c666be6d7ac89310b8d5db99c14e5a9bb41f06

google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto