[fix] kodev update $VERSION for `run android` (#3801)
[fix] kodev update $VERSION for `run android` (#3801)

As in 16061370f48026eb18bdfa30e9ed2faf94e59387, leftover from #3723.

Also replaced a few non-standard `which` by `command -v` as per new shellcheck rule.
See https://github.com/koalaman/shellcheck/wiki/SC2230
NiLuJe/koreader,mihailim/koreader,Markismus/koreader,poire-z/koreader,poire-z/koreader,houqp/koreader,Frenzie/koreader,NiLuJe/koreader,koreader/koreader,Hzj-jie/koreader,koreader/koreader,pazos/koreader,Frenzie/koreader,lgeek/koreader,mwoz123/koreader