Fix time-management tutorial sample code

Adds newline to a print statement so it doesn't overwrite the position
output. (I'd like to see the last timestamp for the position output).
7 jobs for master in 13 minutes and 23 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build Docker
passed #6912208
alpine amd64 manifest builder docker

00:00:13

passed #6912206
android docker

00:00:19

passed #6912204
cerbero fedora amd64 docker

00:00:16

passed #6912202
fedora amd64 docker

00:00:17

passed #6912212
gst-indent amd64 docker

00:00:15

 
  Preparation
passed #6912215
manifest

00:00:24

 
  Integrate
passed #6912218
documentation

00:12:38