Merge changes from topic "cgroup.events" into main am: 1b44b8c6 am: e30ca0f1 am: b4b5cb5b

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2819069



Change-Id: I315e1acb29e526adf349c57b3f18ae8d86838e54
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>