GitLab

If port is not defined, don't use it when running ssh commands.

Bug: 1113300
Change-Id: I14681d2b7576f20bc66362cd37cec8cb1dae5137
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2417464
Commit-Queue: Chong Gu <chonggu@google.com>
Reviewed-by: Kevin Marshall <kmarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810557}