Update Gitlab CI template for android development

What does this MR do and why?

I set up a new Android project with up-to-date tooling (build tools and Android SDK). For this I needed to make a few changes to the Gitlab CI template. This MR updates the template, so it should now be working with these newer versions.

How to set up and validate locally

Use the Gitlab CI template on any Android project to see if it works.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.