I do not know what buildozer version do you have instaled but distutils is been used in buildozer/targets/android.py https://github.com/kivy/buildozer/blob/7178c9e980419beb9150694f6239b2e38ade80f5/buildozer/targets/android.py#L40C1-L40C43

The link I share is from the latest version of that package so I think you should or ignore the warning or look for an alternative for that package.

I hope it helps