Merge "Statsd TestDrive tool: Write output to stdout. Also: Option for less verbose output." into rvc-dev am: 0f309dc04a am: 7530faab25 am: 23b2e2f45d am: b444ae2f98 am: d5514ca30f

Change-Id: I9799682cf22f8dd912bc32999f10c301bff69663