Merge "Rename strings for no search results and no widgets in widget picker." into sc-dev am: a5ee592a1b am: 29cc564642 am: 37cf21c1c3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15062770

Change-Id: Ic56889c55d89e38d4e52c172e00af74787053b43