Merge "Remove the flag isCarouselInTransition" into udc-dev am: 46319ff05b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/22908417

Change-Id: I69ca18e1b5e5293ba44d21afc6b5a56b0bf89f8f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>