Fallback to CurrentWallpaperInfoFactory if recents is not available am: b6abe55a8c am: 2f21912211

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

Change-Id: Ia060be5d2fc88f3e9447208ae6b27cc000852673
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>