Add Wi-Fi hotspot > Security Settings page

- Restrict low security type when 6 GHz band is selected
  - Disable "WPA2/WPA3-Personal" security type
  - Disable "WPA2-Personal" security type
  - Disable "None" security type

- Automatically updated security type to WPA3 when 6 GHz band is selected
  - Regenerate password when security type is changed from None

Bug: 245258763
Test: manual test
atest -c WifiTetherSettingsTest
atest -c WifiTetherViewModelTest \
         WifiHotspotSecuritySettingsTest \
         WifiHotspotSecurityViewModelTest \
         WifiHotspotRepositoryTest

Change-Id: I31b08795419baed10dc40b876aeec175f6f41e69