Add connectivity protos to framework-connectivity am: f96b26606a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1635040

Change-Id: Idebb84324407d0ce2f0066888b14fc22df736515
tree: 2983ee1cbed63d83e5cb719efbb615343f9ec34d
  1. framework/
  2. service/
  3. OWNERS