Fallback to CurrentWallpaperInfoFactory if recents is not available am: b6abe55a8c

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

Change-Id: Ic1e4bb470e37ea40dd9a988572cf4a5230f2dd5e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>