[Predictive Back] Revert all apps scale when exiting from search

Bug: b/267522879
Test: manual, see before after videos in bug
Change-Id: I7b14739fee23a22920d71841fc1c3c12b34a3d0c

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

@@ -301,6 +301,13 @@ public class AllAppsTransitionController
         }
     }
 
+    /** Animate all apps view to 1f scale. */
+    public void animateAllAppsToNoScale() {
+        mAllAppScale.animateToValue(1f)
+                .setDuration(REVERT_SWIPE_ALL_APPS_TO_HOME_ANIMATION_DURATION_MS)
+                .start();
+    }
+
     /**
      * Creates an animation which updates the vertical transition progress and updates all the
      * dependent UI using various animation events