Fix TwoPanelWorkspaceTests

- Marking the hotseat long press edu as seen on setup to allow the popup menu to be shown immediately in tests
- Recording onWorkspaceItemLongClick on prediction item long click

Flag: not needed
Fixes: 273239675
Test: TwoPanelWorkspaceTest
Change-Id: I76354fd2e3adde11b2a428374fa9c8855ce2ece9
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 22b07ef..7da16c0 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -3259,6 +3259,10 @@
         return new LauncherAccessibilityDelegate(this);
     }
 
+    /** Enables/disabled the hotseat prediction icon long press edu for testing. */
+    @VisibleForTesting
+    public void enableHotseatEdu(boolean enable) {}
+
     /**
      * @see LauncherState#getOverviewScaleAndOffset(Launcher)
      */