Add WIFI_LEVEL_UNREACHABLE logs

- Add WIFI_LEVEL_UNREACHABLE logs in Wi-Fi details settings

Bug: 362269742
Flag: EXEMPT add logs only
Test: Manual testing
Change-Id: I9a2b01df06417bafa85d300f1abe41797ec08143

src/com/android/settings/wifi/details2/WifiDetailPreferenceController2.java

@@ -556,6 +556,7 @@ public class WifiDetailPreferenceController2 extends AbstractPreferenceControlle
             return mContext.getDrawable(getHotspotIconResource(deviceType));
         }
         if (mWifiEntry.getLevel() == WifiEntry.WIFI_LEVEL_UNREACHABLE) {
+            Log.w(TAG, "WiFi level is WIFI_LEVEL_UNREACHABLE(-1)");
             return mContext.getDrawable(R.drawable.empty_icon);
         }
         return mIconInjector.getIcon(wifiEntry.shouldShowXLevelIcon(), wifiEntry.getLevel());