Merge "Add more education tips for widgets. (1/3)" into sc-dev am: e6521ad542 am: ba4eaf73b5 am: 866bb04449

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14620021

Change-Id: I062e92adf8b521a7c63ce7fbbcaea2c94481a6aa