Correctly map the drag view position to the Workspace

The drag view needs to be mapped to the drop target which in this
case is the Workspace instead of the CellLayout

Fix: 352569050
Test: IntegrationReorderWidgetsTest
Flag: TEST_ONLY
Change-Id: I233c2b3bf0b8637f80d74d201189b2290ef59c94
diff --git a/tests/src/com/android/launcher3/celllayout/integrationtest/TestUtils.kt b/tests/src/com/android/launcher3/celllayout/integrationtest/TestUtils.kt
index 4cecb5a..bcb9191 100644
--- a/tests/src/com/android/launcher3/celllayout/integrationtest/TestUtils.kt
+++ b/tests/src/com/android/launcher3/celllayout/integrationtest/TestUtils.kt
@@ -21,6 +21,7 @@
 import android.view.View
 import android.view.ViewGroup
 import com.android.launcher3.CellLayout
+import com.android.launcher3.Utilities
 import com.android.launcher3.Workspace
 import com.android.launcher3.util.CellAndSpan
 import com.android.launcher3.widget.LauncherAppWidgetHostView
@@ -54,7 +55,7 @@
         return view as LauncherAppWidgetHostView
     }
 
-    fun getCellTopLeftRelativeToCellLayout(
+    fun getCellTopLeftRelativeToWorkspace(
         workspace: Workspace<*>,
         cellAndSpan: CellAndSpan
     ): Point {
@@ -67,6 +68,8 @@
             cellAndSpan.spanY,
             target
         )
-        return Point(target.left, target.top)
+        val point = floatArrayOf(target.left.toFloat(), target.top.toFloat())
+        Utilities.getDescendantCoordRelativeToAncestor(cellLayout, workspace, point, false)
+        return Point(point[0].toInt(), point[1].toInt())
     }
 }