Merge "Rename strings for no search results and no widgets in widget picker." into sc-dev am: a5ee592a1b am: e1611ca94f

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

Change-Id: If104a6d35cdffa96f16b7cfaf87bac7dada99ef7