Merge "Update the lockscreen preview text" into ub-launcher3-master am: 5b2d267acd am: 1afa635a9d

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker2/+/12034044

Change-Id: I14762b04cfad0e7224b697736f18cb8d2339fd4f