add debian/.gitlab-ci.yml

1 job for master in 2 minutes and 26 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #22114
build

00:02:26

 
Name Stage Failure
failed
build Test
ensure pristine-tar branch exists and is current
Fetching origin
+ git checkout -B pristine-tar origin/pristine-tar
error: Your local changes to the following files would be overwritten by checkout:
build.gradle
smali/build.gradle
Please commit your changes or stash them before you switch branches.
Aborting
ERROR: Job failed: exit code 1