CA-142107: Enable verbose logging for convert-legacy-stream

Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>
CA-142107: Log arguments before spawning convert-legacy-stream

Signed-off-by: Si Beaumont <simon.beaumont@citrix.com>
Merge pull request #1888 from simonjbeaumont/ca-142107-xs64bit

[xs64bit] CA-142107: Enable extra logging for convert-legacy-stream