tools: add command-line flags to disable the "git veyron review" command presubmit checks
tools: add command-line flags to disable the "git veyron review"
command presubmit checks

Change-Id: I23480783cdf8a4ddc9bb7eb07677b416a8062625

vanadium/go.devtools,vanadium/go.devtools,vanadium/go.devtools