[beta] Rollup backports#57878

Merged

bors merged 4 commits intorust-lang:betafrom

pietroalbini:beta-backports

Jan 24, 2019

Commits on Jan 24, 2019

make sure to accept all android licenses
pietroalbini
committed
Fix issue 57762

tromey
authored and
pietroalbini
committed
Simplify the version check

tromey
authored and
pietroalbini
committed
Fix typo bug in DepGraph::try_mark_green().

michaelwoerister
authored and
pietroalbini
committed