Change quic_toy_client.cc to include the correct header file for AF_INET/AF_INET6/AF_UNSPEC on windows.
Change quic_toy_client.cc to include the correct header file for AF_INET/AF_INET6/AF_UNSPEC on windows.

PiperOrigin-RevId: 334195952
Change-Id: I0851959e9a7ad4f23f9e104c4c84038f6f3b2723

google/quiche,google/quiche,google/quiche,google/quiche