Merge "Fix inability to remove or interact with folder when removing 2nd item from folder" into udc-qpr-dev am: a5af8b4276

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24040306

Change-Id: Ie74db8ca3a74287c79a13868ffb6209915809fae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

src/com/android/launcher3/Launcher.java

@@ -2200,6 +2200,8 @@ public class Launcher extends StatefulActivity<LauncherState>
 
     /**
      * Returns the CellLayout of the specified container at the specified screen.
+     *
+     * @param screenId must be presenterPos and not modelPos.
      */
     public CellLayout getCellLayout(int container, int screenId) {
         return (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)

src/com/android/launcher3/folder/LauncherDelegate.java

@@ -93,7 +93,7 @@ public class LauncherDelegate {
                         // Move the item from the folder to the workspace, in the position of the
                         // folder
                         CellLayout cellLayout = mLauncher.getCellLayout(info.container,
-                                info.screenId);
+                                mLauncher.getCellPosMapper().mapModelToPresenter(info).screenId);
                         if (cellLayout == null) {
                             return;
                         }