Merge "Always unlink the out_vdex_file." into oc-dev

    if (dexopt_action == DEX2OAT_FOR_BOOT_IMAGE &&

            in_vdex_wrapper_fd->get() != -1 &&

            in_vdex_path_str == out_vdex_path_str) {

        out_vdex_wrapper_fd->reset(in_vdex_wrapper_fd->get());

        // We unlink the file in case the invocation of dex2oat fails, to ensure we don't

        // have bogus stale vdex files.

        out_vdex_wrapper_fd->reset(

              in_vdex_wrapper_fd->get(),

              [out_vdex_path_str]() { unlink(out_vdex_path_str.c_str()); });

        // Disable auto close for the in wrapper fd (it will be done when destructing the out

        // wrapper).

        in_vdex_wrapper_fd->DisableAutoClose();