Modify TaskSystemShortcut.SplitScreen for API change.

Using View#getDisplay().getDisplayId() into
IWindowManager.overridePendingAppTransitionMultiThumbFuture()
for multi-display support.

Bug: 119530958
Test: manual
Change-Id: Icde73b2545f879771a62030c8151a86a324fa593
diff --git a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
index a8eb321..a095fc3 100644
--- a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
+++ b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
@@ -205,7 +205,8 @@
                         }
                     };
                     WindowManagerWrapper.getInstance().overridePendingAppTransitionMultiThumbFuture(
-                            future, animStartedListener, mHandler, true /* scaleUp */);
+                            future, animStartedListener, mHandler, true /* scaleUp */,
+                            v.getDisplay().getDisplayId());
                 }
             });
         }