Allow passing URL to quic_client_interop_test
Allow passing URL to quic_client_interop_test

gfe-relnote: n/a, test-only
PiperOrigin-RevId: 274621564
Change-Id: Iaffcfb5a8b8c0a2692abf3080562c0e1546ab4cf

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