Merge "NIU Actions: Add strings for assistant error dialogs and feature tooltip" into sc-dev am: b598e968e2 am: c5cf6af50a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15191924

Change-Id: I8ba84edfe7dcf1af28f541fca0c2172430c5add1