In QUIC, do not send PING when PING alarm fires but ShouldKeepConnectionAlive returns false. Client side only, protected by ENABLED gfe2_reloadable_flag_quic_fix_on_ping_timeout. This is used to fix a bug where PING alarm is not cancelled when application finish reading data (draining streams get closed). PiperOrigin-RevId: 326053367 Change-Id: I06aea85dad633c40e1d8486f0cb790c644b0e0e9