Merge "Better way of duping FD" into main am: 3b70c0257a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/3228669

Change-Id: I32fae29acd4f2806cc72a16bae8fa78725cc35b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>