Jobs currently use mvn 3.3.9, unless pointed as "mvn3-latest", which was recently updated to be a symlink to 3.5.0 instead of 3.3.9.

We should get 3.5.2 [1] installed and use that in the jobs as it supports JDK 9.

[1] https://maven.apache.org/docs/3.5.2/release-notes.html

cc: psrna exd-mmalina