Consider subId when loading Wfc string resources

Consider subId when loading string resources in screen
WifiCallingSettingsForSub and Wi-Fi Calling slice.

This ensures that correct string resources is loaded in multi sim
scenario when operators are using customized strings.

Bug: 129893058
Test: make RunSettingsRoboTests ROBOTEST_FILTER=WifiCallingPreferenceController
Test: make RunSettingsRoboTests ROBOTEST_FILTER=WifiCallingSliceHelper
Change-Id: Ia5b763d4b59f7e738cb741b778bb859884a85198

src/com/android/settings/network/telephony/WifiCallingPreferenceController.java

@@ -148,7 +148,8 @@ public class WifiCallingPreferenceController extends TelephonyBasePreferenceCont
                         break;
                 }
             }
-            preference.setSummary(resId);
+            preference.setSummary(
+                    SubscriptionManager.getResourcesForSubId(mContext, mSubId).getText(resId));
         }
         preference.setEnabled(mCallState == TelephonyManager.CALL_STATE_IDLE);
     }