Merge "Add String for information about Wi-Fi scanning when Wi-Fi is off." into sc-qpr1-dev am: c0b9f4bdba am: e7f8a872a5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/16047548

Change-Id: Ie19feb710a6a103c6c56b33cac2a62e0c426d94d