Add missing safety comments. am: 03350bc91d am: b3327511a3

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2776851

Change-Id: I3b751118adb97ef0d075329fe1568ee5e64642db
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>