Fix errorprone warnings that should be errors am: c9512961be am: ee43457366 am: 6cdab74e1b

Original change: https://android-review.googlesource.com/c/platform/external/jsr330/+/2256802

Change-Id: I094907ccfdedec285085a50d788d5a6cd2ea9877
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>