Merge "Explicitly check RouteInfo type in IpReachabityMonitor#isOnLink" am: fd05527492 am: 2490bc08b5 am: 7241bf302c am: 7c58855236 am: 4c24457af5

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

Change-Id: Iff535c02210e42e118709258413870d42e95f225
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>