type safety for bool optional am: f2466ef4bb am: 7b23abd945 am: 869de8c2fe am: 2cf37cd1c7

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2775543

Change-Id: If312e74371ccadea3dd6327c922d5594aab3ed41
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>