[Provider Model] Show "!" icon when Wi-Fi is not validated (panel)

- Screenshot:
  https://screenshot.googleplex.com/BLNcfXiJFnuoT9N

Bug: 185454486
Bug: 185637977
Bug: 186543071
Test: manual test
atest -c ProviderModelSliceTest
make RunSettingsRoboTests ROBOTEST_FILTER=WifiSliceTest

Change-Id: Idff6bb8b394db5553cf399d2020aa28d9dedfc74

src/com/android/settings/network/ProviderModelSlice.java

@@ -43,6 +43,7 @@ import com.android.settings.network.telephony.NetworkProviderWorker;
 import com.android.settings.slices.CustomSliceable;
 import com.android.settings.slices.SliceBackgroundWorker;
 import com.android.settings.slices.SliceBuilderUtils;
+import com.android.settings.wifi.WifiUtils;
 import com.android.settings.wifi.slice.WifiSlice;
 import com.android.settings.wifi.slice.WifiSliceItem;
 import com.android.wifitrackerlib.WifiEntry;
@@ -255,7 +256,8 @@ public class ProviderModelSlice extends WifiSlice {
             final @ColorInt int tint = Utils.getColorAttrDefaultColor(mContext,
                     android.R.attr.colorControlNormal);
             final Drawable drawable = mContext.getDrawable(
-                    Utils.getWifiIconResource(wifiSliceItem.getLevel()));
+                    WifiUtils.getInternetIconResource(
+                            wifiSliceItem.getLevel(), wifiSliceItem.shouldShowXLevelIcon()));
             drawable.setTint(tint);
             return Utils.createIconWithDrawable(drawable);
         }