Adjust visibility rules for migration

Adjusting visibility to accomodate migration of
frameworks/opt/net/wifi to packages/modules/Wifi.

BUG: 137323948
Test: TH
Change-Id: Ib4c481f6e17507fb5a423be83e04f4cbebfd10f5
Exempt-From-Owner-Approval: Internal CP of aosp/* CL.