Merge "Remove HotseatEduActivity from AOSP" into sc-v2-dev am: d74703d63d

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15729849

Change-Id: Ib13f49b0a41fcbaa49f4ce5c8ba1a9ff68372dd1