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

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

Change-Id: I7f393dc5c8aad93bfdad149aa03deb195abc5e1d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>