Remove android support for `if_nameindex` & `if_freenameindex`
Remove android support for `if_nameindex` & `if_freenameindex`

superriva/libc,rust-lang/libc,rust-lang-nursery/libc,philippkeller/libc,anatol/libc,mneumann/libc,anatol/libc,anatol/libc,zethra/libc,zethra/libc,rust-lang-nursery/libc,superriva/libc,cactorium/libc,cactorium/libc,philippkeller/libc,mneumann/libc,rust-lang-nursery/libc,superriva/libc,zethra/libc,philippkeller/libc,rust-lang/libc,mneumann/libc,rust-lang/libc,cactorium/libc