Notification summary updates

- Fix app info summary
- Add configure notifications summary

Test: make -j RunSettingsRoboTests
Change-Id: Ic3c3036ee903fe7403032925a8145693807793d5
Fixes: 77598357
Fixes: 73018368

src/com/android/settings/notification/NotificationBackend.java

@@ -250,6 +250,15 @@ public class NotificationBackend {
         }
     }
 
+    public int getBlockedAppCount() {
+        try {
+            return sINM.getBlockedAppCount(UserHandle.myUserId());
+        } catch (Exception e) {
+            Log.w(TAG, "Error calling NoMan", e);
+            return 0;
+        }
+    }
+
     static class Row {
         public String section;
     }