[snmp|test] Improved finding system-profiler on darwin
[snmp|test] Improved finding system-profiler on darwin

bjorng/otp,bjorng/otp,bjorng/otp,bjorng/otp,bjorng/otp,bjorng/otp,bjorng/otp,bjorng/otp,bjorng/otp,bjorng/otp