San Jose police on Wednesday abruptly closed a weeklong criminal probe into alleged electronic eavesdropping in City Hall, angering the city auditor who believes his investigation into a botched technology contract may have been compromised. Police began investigating after City Auditor Gerald Silva in late July detected ``electronic fingerprints'' of several key city officials on a document connected with his probe of collusion and favoritism in the award of the $8 million networking contract. Among those officials, sources say, was Chief Information Officer Wandzia Grycz, who has since resigned after helping steer the city's networking business to Cisco Systems. But...