Merge "Register VCN service in ConnectivityServiceInitializer" into main am: f9366ef0df

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3363966

Change-Id: I48de5d222d10fc51c8e33aa5a83592a8bb50c588
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>