Fix errorprone warnings that should be errors am: 2269e9a67a

Original change: https://android-review.googlesource.com/c/platform/external/jacoco/+/2255927

Change-Id: I1344569261a1c73c8ba2699fece9286309931fae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>