Merge "Rename Preview2 to Preview (2/3)" into udc-qpr-dev am: 10dae39f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/24551243



Change-Id: I9e9e75311b0deacc49be18774cb5f31f07614601
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>