Merge "Add safety comments." into main am: dcac88ceac

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2651895

Change-Id: I10da41c5dcc3fee860cae55c6348df3d3d830717
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>