Merge "Adapt all screen previews to recent changes (2/2)" into udc-dev am: e4d2f9aa38 am: 4fb60e8041 am: 1a4bcca395

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/22711161

Change-Id: I35ae0d0456e075511edd6997f9dafdb320909584
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>