Merge "Explicitly check RouteInfo type in IpReachabityMonitor#isOnLink" am: fd05527492 am: 2490bc08b5

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/1556088

Change-Id: I3b3ff95025c45db40df73e2d0f35bafc1b0c7c7a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>