Fallback to CurrentWallpaperInfoFactory if recents is not available am: b6abe55a8c am: 7456b80b0a am: 4a7b92c240

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/23451868

Change-Id: I06977b43a0f5fbe75eb1647dce378298fd46c962
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>