Merge "Fixed width to resolve preview rendering issue on different screens"...

Merge "Fixed width to resolve preview rendering issue on different screens" into udc-dev am: 1fb9b229

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/23092416



Change-Id: I8623615614b364a33ea360a6ced12a45c2f40aed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>