[Provider Model] Implement Wi-Fi callings in Calls & SMS

NetworkProviderWifiCallingPreferenceController is a catrgory of WFC.

It will add NetworkProviderWifiCallingGroup for SIMs which is WFC enabled dynamically.

Implement the current WFC logic: WifiCallingPreferenceController, for Provider Model

Diff with WifiCallingPreferenceController
https://diff.googleplex.com/#key=nzCL6Ybrkr19

Screenshot of Provider Model:
https://screenshot.googleplex.com/BCXxdo4iNh6M3tH.png

Screenshot of current WifiCallingPreferenceController:
https://screenshot.googleplex.com/BsBE3A5YRs6arw9.png

Doc: https://docs.google.com/presentation/d/1azrZVS54pxM2lt9LkZHtFh_6W3fyDw_kTTPVQ_mJCi4/edit#slide=id.g9c7123c172_0_448

Bug: 172053880
Test: manual & atest -c NetworkProviderWifiCallingPreferenceControllerTest & atest -c NetworkProviderWifiCallingForSubTest
Change-Id: I6f4b4a257bc5e94be3090445ccabbcb261a03730