Merge "Fix fast scroller issues / remove fast thumb access / fix wrong popup location" into sc-dev am: 56c33c3cb8 am: 3e4bd6c3ff

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15331688

Change-Id: Iacb2908d200f5ce8c0fa557cda7394db5ce04bd1