Initial commit for connectivity. am: 67b9284de0

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2673985

Change-Id: I63adac4f324141ee2cb41c19d5296e01dc542e72
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>