Hide hotseat in landscape overview

Bug: 70179916
Change-Id: Ib277a054cf16233ab9156a4448c41952e3295fae
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index dfb935f..01ab563 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -131,6 +131,10 @@
         return new float[] {1, 0};
     }
 
+    public float getHoseatAlpha(Launcher launcher) {
+        return 1f;
+    }
+
     public void onStateEnabled(Launcher launcher) {
         dispatchWindowStateChanged(launcher);
     }