type safety for bool optional am: f2466ef4bb

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

Change-Id: I4a6949ad279d752cb52daea336d3d0cc4e1bceac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>