Re-enabled errorno test for not_android.
Re-enabled errorno test for not_android.

berkowski/nix,berkowski/nix,MarkusJais/nix-rust,kamalmarhubi/nix-rust,MarkusJais/nix-rust,xd009642/nix,nix-rust/nix,xd009642/nix,geofft/nix-rust,asomers/nix,carllerche/nix-rust,Susurrus/nix,nix-rust/nix,asomers/nix,berkowski/nix,geofft/nix-rust,geofft/nix-rust,carllerche/nix-rust,kamalmarhubi/nix-rust,Susurrus/nix,Susurrus/nix,kamalmarhubi/nix-rust,MarkusJais/nix-rust,xd009642/nix,carllerche/nix-rust