Add default app prefs to app info

This makes them easier to discover and to know the state of them.

Bug: 27276982
Change-Id: I24a9d34d7e189b19df39cc0b9028b6412f76aa05

src/com/android/settings/applications/AppStateBaseBridge.java

@@ -43,7 +43,8 @@ public abstract class AppStateBaseBridge implements ApplicationsState.Callbacks
         // Running on the same background thread as the ApplicationsState lets
         // us run in the background and make sure they aren't doing updates at
         // the same time as us as well.
-        mHandler = new BackgroundHandler(mAppState.getBackgroundLooper());
+        mHandler = new BackgroundHandler(mAppState != null ? mAppState.getBackgroundLooper()
+                : Looper.getMainLooper());
         mMainHandler = new MainHandler();
     }