Merge "Store the themed icon enabled state in SharedPreferences" into sc-dev am: 762404e975 am: b6b93ef6c3 am: dbe0380037

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/15109457

Change-Id: I505363ba5a44de876095aff5ee15c372664247e5