Test that QuicConfig is capable of processing 2 consecutive transport parameters. In 0-rtt, QuicConfig will first be set up with cached transport params and then reset with the transport params from handshake. gfe-relnote: test change only, not protected. PiperOrigin-RevId: 309123862 Change-Id: If56e4e1b1f8c2027e366b8fda932d2f1780b5d97