S- not to crash on NetworkInfo(null) or setDetailedState(null) am: dece0d805f am: 66bd87f0d4 am: 2f6631cd7c am: bfc2b02f14

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1892101

Change-Id: I1cad34109850715e7d5f7ea3991cf48a48115bfb