tree e5f4da9a16c72371096237d330c9ef1c60adb232
parent d42552c533d6458d6b1c7435d7f05725f021e56e
author Scott Graham <scottmg@google.com> 1566414884 +0000
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1566414884 +0000

[runner] Print command being run

In e.g. https://chromium-swarm.appspot.com/task?id=46cdece37b858210
something is hanging, but I have no idea what. It would be nice to see
the command that's trying to run.

Change-Id: I2ffbf08dbc19c5b71e46f0e75a4e545cd80cf34e