Merge "Remove HotseatEduActivity from AOSP" into sc-qpr1-dev am: b5a33b2d34 am: f6542d4e64

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

Change-Id: Ib6e82fc073e0ad54defa3a49fc21e6fcbc0668b6