Merge "Remove usage of ATOMIC_VAR_INIT." into main am: 13cb70601e

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3169739

Change-Id: Ia009e129aca837dc0bd4e978ba6524ede24a25b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>