[WIFI][SysUI] Update QS iconography for Wi-Fi

Update for:
- No internet: show SSID, show pie + "x" for real bars
- Captive portal: show SSID, same icon as before (empty pie + '?')
- No connection: empty pie

Bug: 136473125
Test: visual test in all above scenarios + normal connectivity
Change-Id: I2f302874de35e83f9530427733d8518becddfa4b