Merge "Offset preview to start if on wallpaper display" into tm-qpr-dev am: 2f0d9762

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/20838402



Change-Id: I7ffe340a2fa9440d88d10670992353028fb20619
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>