Merge "Fix LayoutParams cast exception in drag-n-drop" into sc-dev am: f8af753b6a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14332404

Change-Id: I69a60a4b4eaeae9a60060d2b95a8c9b729ea5a12