DO NOT MERGE: Update ConnectivityServiceMock for VPN meteredness bug

This patch updates the ConnectivityServiceMock as part of the fix for
VPN meteredness checks.

Bug: 78644887
Test: Flashed and tested on Walleye
Change-Id: I3d331d5f2d07e476bec4b199c695fd28755f031d
(cherry picked from commit 3555e5d07d0ec1d7fc1ed58b0fc729283884d6fe)
1 file changed