Fix crbug/528063 - misleading machine checksum calculating message.

This message "Checking machine characteristics for
chromeos2-row5-rack5-host12.cros" is a bogus, it is caused by
mis-indention.

TEST=Manually run
BUG=chromium:528063

Change-Id: I49eb8294759a77cac4664bc24dd02d898375aabd
Reviewed-on: https://chrome-internal-review.googlesource.com/240947
Commit-Ready: Han Shen <shenhan@google.com>
Tested-by: Han Shen <shenhan@google.com>
Reviewed-by: Luis Lozano <llozano@chromium.org>
1 file changed