Merge "Add logging of user stop and user removal events." into tm-dev am: 087964ad

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17104659



Change-Id: I86cbbaf44c79646ca53e6d6d8c57fd288debe090
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>