Merge "Fix preview for 2 pane small width (1/n)" into udc-dev am: 248d40d789

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker2/+/23219875

Change-Id: Ied0f7901d37b1a16b244b4bfa8fe052ba22ae440
Signed-off-by: Automerger Merge Worker <[email protected]>