Chaning the behavior of settings activity.

> Making all twoState prefs backed by content provider
> Using the stadard intent defined in N for settings
> Using SharedPrefsListener instead of LauncherProvider

Change-Id: I8272f54aa780bc0436e3d0aa89096a4bd2a9194f
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index d6d3517..1acbfc1 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -173,6 +173,10 @@
         }
     }
 
+    // TODO: Use Intent.ACTION_APPLICATION_PREFERENCES when N SDK is available.
+    public static final String ACTION_APPLICATION_PREFERENCES
+            = "android.intent.action.APPLICATION_PREFERENCES";
+
     public static Bitmap createIconBitmap(Cursor c, int iconIndex, Context context) {
         byte[] data = c.getBlob(iconIndex);
         try {