Updating LauncherModel filtering to use screen ids. (Bug 11685286)

- Fixes the issue with the current page not synchronously binding

Change-Id: I3dfa45cc1777f846c77f3e86059dfb715553e1a3
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 3eecedb..e095c15 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -564,6 +564,9 @@
     void setRestorePage(int restorePage) {
         mRestorePage = restorePage;
     }
+    int getRestorePage() {
+        return mRestorePage;
+    }
 
     protected void notifyPageSwitchListener() {
         if (mPageSwitchListener != null) {