Update OWNERS file am: 4a1ba9c5b8

Original change: https://android-review.googlesource.com/c/platform/external/psimd/+/2973719

Change-Id: I316ccd9956c383318eeb57ae69a688c988e158c2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>