Enable the net feature am: 02994e4018 am: 5dd2d9790f am: be544250e4

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/nix/+/2910115

Change-Id: I66c6d5e470ef011eea823e6fe22396310203c052
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>