Merge "Revert "[2/n] Let picker refresh preview when user selects a dif...""...

Merge "Revert "[2/n] Let picker refresh preview when user selects a dif..."" into udc-qpr-dev am: 51e37922

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/24379314



Change-Id: I1a27c0e6f4d49c0d1a27d988c5b317e13b5bbe53
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>