Hide OverviewActions when no tasks showing after launcher reset.

Bug: 157709549
Change-Id: I1fe00a588a6cc5e840d38a08844017383c94fe68
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
index a506b7e..b931653 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
@@ -492,6 +492,7 @@
 
     public void init(OverviewActionsView actionsView) {
         mActionsView = actionsView;
+        mActionsView.updateHiddenFlags(HIDDEN_NO_TASKS, getTaskViewCount() == 0);
     }
 
     @Override