Merge "libconnectivity_native add null check" am: 5778445ee0 am: 2a489ff96b am: ebeae16b2c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2478255

Change-Id: I14fa5a2729c00c1b7265bb1580a03d0e2a3383d1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>