Revert "a11y: disabling accessibility scrolling of the home screen"

This reverts commit 52b2b43c5676c43f2ef2cd928281f7d109d2cb76.

Reason for revert: Per an email thread, this CL is considered a hack.

Change-Id: Id97fc9a398184ba18c2188d858218bc2d9ddc16e
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 7ecafdb..1e2e3b1 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -53,7 +53,6 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.Toast;
 
 import com.android.launcher3.Launcher.LauncherOverlay;
@@ -3478,10 +3477,4 @@
             onEndStateTransition();
         }
     }
-
-    @Override
-    public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
-        super.onInitializeAccessibilityNodeInfo(info);
-        info.setScrollable(false);
-    }
 }