Merge "Remove unused preview arguments (2/3)" into udc-qpr-dev am: 5ebc7b3d60 am: 16f6cf38a6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/24558329

Change-Id: Ib9d8b51f7f992b3272e3933f6f85320db8e57c8f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>