buildserver: use sdkmanager from backports
At @linsui's request. FYI @licaon-kter
It is currently in the NEW queue, once it clears that, it'll be available to install: https://ftp-master.debian.org/backports-new.html
At @linsui's request. FYI @licaon-kter
It is currently in the NEW queue, once it clears that, it'll be available to install: https://ftp-master.debian.org/backports-new.html