Unique display name util uses available, rather than active, subscriptions.

Test: atest -c SettingsUnitTest
Bug: 178560175
Change-Id: Ief035cf3de3ac03fe348095f36bfb78a41f93d2c
(cherry picked from commit c14e3b3115)
Merged-In: Ief035cf3de3ac03fe348095f36bfb78a41f93d2c

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

@@ -177,6 +177,7 @@ public class InternetPreferenceController extends AbstractPreferenceController i
         if (subInfo == null) {
             return;
         }
-        mPreference.setSummary(subInfo.getDisplayName());
+        mPreference.setSummary(SubscriptionUtil.getUniqueSubscriptionDisplayName(
+                subInfo, mContext));
     }
 }