Only animating QSB if it is visible when going home

Bug: 154863593
Change-Id: Icee925578985639e1117ff624a422082123bea1e

src/com/android/launcher3/allapps/SearchUiManager.java

@@ -15,6 +15,8 @@
  */
 package com.android.launcher3.allapps;
 
+import static com.android.launcher3.LauncherState.ALL_APPS_HEADER;
+
 import android.graphics.Rect;
 import android.view.KeyEvent;
 import android.view.animation.Interpolator;
@@ -56,6 +58,13 @@ public interface SearchUiManager {
     void setContentVisibility(int visibleElements, PropertySetter setter,
             Interpolator interpolator);
 
+    /**
+     * Returns true if the QSB should be visible for the given set of visible elements
+     */
+    default boolean isQsbVisible(int visibleElements) {
+        return (visibleElements & ALL_APPS_HEADER) != 0;
+    }
+
     /**
      * Called to control how the search UI result should be handled.
      *