Cleanup tapl test workaround

There was a bug in the framework (b/219711163) so
we needed a workaround to make the tapl test pass.

Test: Run TAPL tests
Bug: 219919285
Change-Id: I3eb4ca8c5b1d24f38330ad41b58c31c81eb01501
diff --git a/tests/tapl/com/android/launcher3/tapl/Workspace.java b/tests/tapl/com/android/launcher3/tapl/Workspace.java
index fee4490..ae0f6a6 100644
--- a/tests/tapl/com/android/launcher3/tapl/Workspace.java
+++ b/tests/tapl/com/android/launcher3/tapl/Workspace.java
@@ -389,8 +389,7 @@
             // Since the destination can be on another page, we need to drag to the edge first
             // until we reach the target page
             while (targetDest.x > displayX || targetDest.x < 0) {
-                // TODO: b/219919285
-                int edgeX = targetDest.x > 0 ? displayX - 1 : 1;
+                int edgeX = targetDest.x > 0 ? displayX : 0;
                 Point screenEdge = new Point(edgeX, targetDest.y);
                 Point finalDragStart = dragStart;
                 executeAndWaitForPageScroll(launcher,