turn up VMTest ssh verbosity to 3

This CL increases the ssh verbosity of VMTest, hopefully to help in
diagnosing ssh connection failures.

CQ-DEPEND=CL:I7e91c89cbee138a57015b4b8578778afda090ca0
CQ-DEPEND=CL:I1a6861501eb4fc8439add213c79eaa3777978df0
CQ-DEPEND=CL:Iee7722b55cc5e7497888ee86154c3ddb3b7bdf6e
CQ-DEPEND=CL:Ib92d7491eb45f50e0b95b4e9e32e72778d002b08
BUG=chromium:254166
TEST=None

Change-Id: I94fa11f3a04850ee405d0781aa8b535e044a5967
Reviewed-on: https://chromium-review.googlesource.com/66968
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
Tested-by: Aviv Keshet <akeshet@chromium.org>
1 file changed