Change tablet split confirm timing slightly

This patch changes the split confirm animation on tablets to 500ms. Based on UX discussion at b/241126570.

Fixes: 241126570
Test: Manual
Change-Id: I1de0e0f8882db059de09685f7756343d8a387b4f
diff --git a/quickstep/src/com/android/quickstep/util/TabletSplitToConfirmTimings.java b/quickstep/src/com/android/quickstep/util/TabletSplitToConfirmTimings.java
index 580cc99..3756b4a 100644
--- a/quickstep/src/com/android/quickstep/util/TabletSplitToConfirmTimings.java
+++ b/quickstep/src/com/android/quickstep/util/TabletSplitToConfirmTimings.java
@@ -26,7 +26,7 @@
     public int getPlaceholderIconFadeInStart() { return 167; }
     public int getPlaceholderIconFadeInEnd() { return 250; }
     public int getStagedRectSlideStart() { return 0; }
-    public int getStagedRectSlideEnd() { return 383; }
+    public int getStagedRectSlideEnd() { return 500; }
 
     public int getDuration() { return TABLET_CONFIRM_DURATION; }
 }