Don't set stem. am: 4fa0c705b0 am: c93db9a913 am: 06579f474c

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/ash/+/2821840

Change-Id: I826c73b7655f860a8655fbd27975fc3017728ebb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>