Merge "Remove HotseatEduActivity from AOSP" into sc-qpr1-dev am: b5a33b2d34 am: a19a807888

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

Change-Id: Ie2042e33f14ea4a6036f853b2bed7338263d3a6e