Prevent taskbar animation for contextual split from home

* Ideal animation TODO, this is to help
unblock for now.

Flag: Flag: ACONFIG com.android.wm.shell.enable_split_contextual DEVELOPMENT
Test: With flag on and off, from home, overview, all apps
Bug: 296351434
Change-Id: Ida743a881519796ed8ce3e5966aa708c84521c51

quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java

@@ -729,6 +729,10 @@ public class QuickstepLauncher extends Launcher {
         return mSplitSelectStateController.isSplitSelectActive();
     }
 
+    public boolean areBothSplitAppsConfirmed() {
+        return mSplitSelectStateController.isBothSplitAppsConfirmed();
+    }
+
     @Override
     public void onStateTransitionCompletedAfterSwipeToHome(LauncherState finalState) {
         if (mTaskbarUIController != null) {