The former managing director of an Airbus subsidiary was acquitted in a London court on Wednesday of bribing senior Saudi Arabian officials, after a trial in which the British government was accused of involvement in the alleged corruption. Jeffrey Cook, who ran GPT Special Project Management, had been charged with overseeing corrupt payments to middlemen to obtain lucrative deals with the Saudi Arabian National Guard. Cook, 67, and John Mason, 81, who prosecutors said was the accountant and part-owner of the business of the middlemen, stood trial at Southwark Crown Court. Cook and Mason plead…