Merge "Remove HotseatEduActivity from AOSP" into sc-qpr1-dev am: b5a33b2d34

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15748897

Change-Id: Ib046c5f5577ad280a1efa621be30ddee409d4c51