Add back space before comment in log entries

Another regression of I919bb8270ddb13b38d747dba1a3a7fa0d3bb1a4f
where the line . " $mark" was completely removed but only its
$mark should've been removed and not the space, my mistake.

Bug: T377533
Change-Id: I36cbdc3c84ca43309e9d028a607002b2deb84589