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

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

Change-Id: I6c7736d43a1550e3d8d253402da1af56a4a3aecb