Merge "Rename strings for no search results and no widgets in widget picker." into sc-dev am: a5ee592a1b am: d0394d3d20 am: 6876a99d5a

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

Change-Id: I374bed27aabc6392f6ecdd554874792e1159abac