Pass VPN uid range to AutomaticOnOffKeepaliveTracker

This is a preliminary change for filtering sockets that is not
in the uid ranges for automatic on/off keepalives. This commit
itself is a no-op change to pass the uid information to
AutomaticOnOffKeepaliveTracker.

Bug: 311119352
Test: atest FrameworksNetTests
Change-Id: I7d96e7a0d3f3054d1409de350420a24378b28cdb