Merge "Add missing method in TestInjector" into rvc-qpr-dev am: 0a0611c9fb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker2/+/12427208

Change-Id: I1b7d54ead483fd58a78f3c189787bf87d5ab6531