[Provider Model] Internet Panel UI update

- Add gear icon to connected non-carrier network

- Update "View airplane mode networks" wording

- Update "Turn off airplane mode" wording

- Check WiFi disable to show airplane mode message

- Screenshot
  https://screenshot.googleplex.com/BRjcKyMaMS4ujYN

Bug: 173413889
Test:
- Manual Test
- adb shell am start -a
android.settings.panel.action.INTERNET_CONNECTIVITY

Change-Id: Icf7b77e514cffa68cf103dbc9e7df93d58f9f762

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

@@ -82,7 +82,7 @@ public class ProviderModelSlice extends WifiSlice {
         // Third section:  Add the Wi-Fi items which are not connected.
         // Fourth section:  If device has connection problem, this row show the message for user.
 
-        if (mHelper.isAirplaneModeEnabled()) {
+        if (mHelper.isAirplaneModeEnabled() && !mWifiManager.isWifiEnabled()) {
             log("Airplane mode is enabled.");
             // ToDo Next CL will add the Airplane mode Message.
             return mHelper.createListBuilder(getUri()).build();