Merge "[Thread] add CTS test for registerNetworkCallback for Thread" into main am: ad93a191e7 am: 2f10a63abb

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2909780

Change-Id: I1687bc3c8e16ff7db41f40b1643d95f6f2801d0c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>