Fixing a crash on APPS->WORKSPACE transition when animation is automated without dragging.
b/29424335

Change-Id: I2b109423b5a4cfc94fcda75fdea936785373968f
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 156c1b0..f30d6c5 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -1395,6 +1395,8 @@
         mDragController.addDropTarget(mWorkspace);
         mDropTargetBar.setup(mDragController);
 
+        mAllAppsController.setupViews(mAppsView, mHotseat, mWorkspace);
+
         if (TestingUtils.MEMORY_DUMP_ENABLED) {
             TestingUtils.addWeightWatcher(this);
         }