Fix missing callback in fallback activity to re-enable high res loader.

Bug: 111515602
Change-Id: Ie4a9e709392ef9dad001651129a46d4caee0c2ae
diff --git a/quickstep/src/com/android/quickstep/RecentsActivity.java b/quickstep/src/com/android/quickstep/RecentsActivity.java
index ed8b4d2..1d7c066 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivity.java
@@ -241,6 +241,12 @@
     }
 
     @Override
+    public void onEnterAnimationComplete() {
+        super.onEnterAnimationComplete();
+        UiFactory.onEnterAnimationComplete(this);
+    }
+
+    @Override
     public void onTrimMemory(int level) {
         super.onTrimMemory(level);
         UiFactory.onTrimMemory(this, level);