Exit hover after taskbar unstash to clean up events between tests.

Fix: 281068877
Test: TaplTestsTaskbar
Change-Id: I5cbac63cb96788bf84bf5dc0e60a7d5c579c1438
diff --git a/tests/tapl/com/android/launcher3/tapl/LaunchedAppState.java b/tests/tapl/com/android/launcher3/tapl/LaunchedAppState.java
index f52b82d..a59eff7 100644
--- a/tests/tapl/com/android/launcher3/tapl/LaunchedAppState.java
+++ b/tests/tapl/com/android/launcher3/tapl/LaunchedAppState.java
@@ -223,6 +223,9 @@
                     new Point(taskbarUnstashArea.x, taskbarUnstashArea.y), null);
 
             mLauncher.waitForSystemLauncherObject(TASKBAR_RES_ID);
+
+            mLauncher.sendPointer(downTime, downTime, MotionEvent.ACTION_HOVER_EXIT,
+                    new Point(taskbarUnstashArea.x, taskbarUnstashArea.y), null);
         }
     }