Fix sizing for label on home screen am: 78dd6d3750

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker2/+/22973660

Change-Id: I66b0ccce4780a2ae3f6b1ee13cb645b420473b0a
Signed-off-by: Automerger Merge Worker <[email protected]>