Don't set stem. am: a82d09f963 am: 0a3f1b54b4

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/atomic/+/2822892

Change-Id: I7c2d2c20be9131c537c60ad1a216baef9f05c06f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>