[Wi-Fi] Apply new mock for supporting WiFi detail page for OpenRoaming feature.

Issue: Openroaming detail page have new UI Mock.
Solution: Apply the mock design to rollback previous UI and add one Subcription preference.

Bug: 146669261
Test: manually push API and check.
Change-Id: Ie3243c9bcd371db1909834ef257c741454abec11

src/com/android/settings/wifi/details2/WifiMeteredPreferenceController2.java

@@ -55,7 +55,7 @@ public class WifiMeteredPreferenceController2 extends BasePreferenceController i
 
     @Override
     public int getAvailabilityStatus() {
-        return mWifiEntry.canManageSubscription() ? CONDITIONALLY_UNAVAILABLE : AVAILABLE;
+        return AVAILABLE;
     }
 
     @Override