Merge "Connectivity: enforce FlaggedApi" into main am: e196e2f147

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2804935

Change-Id: I52c221f56e25d80e82858c3f44fd4b0945ddf24f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>