Removing some synthetic method creation

> Make package-private and @Thunk all private methods and constructors accessed from inner classes.

Change-Id: Ie5913860a0c33e48e9bf68f9b5b1699f64c2f174
diff --git a/src/com/android/launcher3/FocusHelper.java b/src/com/android/launcher3/FocusHelper.java
index 46e4902..70bb01a 100644
--- a/src/com/android/launcher3/FocusHelper.java
+++ b/src/com/android/launcher3/FocusHelper.java
@@ -426,7 +426,7 @@
     /**
      * Private helper method to get the CellLayoutChildren given a CellLayout index.
      */
-    private static ShortcutAndWidgetContainer getCellLayoutChildrenForIndex(
+    @Thunk static ShortcutAndWidgetContainer getCellLayoutChildrenForIndex(
             ViewGroup container, int i) {
         CellLayout parent = (CellLayout) container.getChildAt(i);
         return parent.getShortcutsAndWidgets();