Bypass libc memfd_create when building with glibc am: 11ba04ed31 am: f8663e2827 am: 8fbe0a93f7

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/nix/+/2515636

Change-Id: Ideb0b67fe78eeb2394b039be2a71fc2e2698d9f7
Signed-off-by: Automerger Merge Worker <[email protected]>