Adding placeholder method for compat implementations for Accessibility manager

> Moving some utility methods to the compat class

Bug: 69611105
Change-Id: Ide0cab0b926d7bc03617fc568d2a2b429ee00cd9
diff --git a/src/com/android/launcher3/DropTargetBar.java b/src/com/android/launcher3/DropTargetBar.java
index 3eca5cd..106671f 100644
--- a/src/com/android/launcher3/DropTargetBar.java
+++ b/src/com/android/launcher3/DropTargetBar.java
@@ -17,7 +17,7 @@
 package com.android.launcher3;
 
 import static com.android.launcher3.AlphaUpdateListener.updateVisibility;
-import static com.android.launcher3.Utilities.isAccessibilityEnabled;
+import static com.android.launcher3.compat.AccessibilityManagerCompat.isAccessibilityEnabled;
 
 import android.animation.TimeInterpolator;
 import android.content.Context;