Use initLoader instead of restartLoader for ContactTileListFragment

Since we want the same DisplayType for the fragment on orientation
change, it is okay to initLoader and re-use the same cursor.

Bug: 5572297
Change-Id: I68bf0d004c936bee226bf11dcd24220b81643540
diff --git a/src/com/android/contacts/list/ContactTileListFragment.java b/src/com/android/contacts/list/ContactTileListFragment.java
index d4d961b..ebc6823 100644
--- a/src/com/android/contacts/list/ContactTileListFragment.java
+++ b/src/com/android/contacts/list/ContactTileListFragment.java
@@ -94,8 +94,7 @@
     @Override
     public void onStart() {
         super.onStart();
-        // TODO: Use initLoader?
-        getLoaderManager().restartLoader(LOADER_CONTACTS, null, mContactTileLoaderListener);
+        getLoaderManager().initLoader(LOADER_CONTACTS, null, mContactTileLoaderListener);
     }
 
     public void setColumnCount(int columnCount) {