DO NOT MERGE IpConnectivity metrics: add version number

This patch adds a version field to ipconnectivity.proto and populates it
to 2, which is the logical version number for NYC-MR2.

Test: IpConnectivity{EventBuilder,Metrics}Test pass
Bug: 32127906

(cherry picked from commit 79a739cbf3b7e999802bf4827c85bcad42e1c95d)

Change-Id: I5f37633afd9ec82f5402c5b6670fe2febae82a14
2 files changed
tree: 2d044958579cca6dcd2619f6e4ccb072af275d20
  1. core/
  2. services/
  3. tests/