wpa_supplicant: move control sockets to /data/vendor

Treble compliance.

Bug: 70228425
Bug: 70393317
Test: complete wifi test in b/70393317
Test: Test wifi on Taimen and Sailfish
Test: verify sockets exist in /data/vendor/wifi/wpa/sockets
Change-Id: I217c0eda0e5af50bb603cfcc35d60bf0d9cad72e