In QUIC, increase anti_amplifcation_factor from 5 to 10 to verify it is responsible for ALTERNATE_PROTOCOL_USAGE_LOST_RACE issue. Also add a COPT to set anti_amplifcation_factor to 3. PiperOrigin-RevId: 328194652 Change-Id: Ia99ec5268af7a62bebd4f6546dea4953fca63b0e