Build our wallpapers app

Change-Id: I02c8548ca4ac156846da1e4a0839240978b90e57
Signed-off-by: Joey <joey@lineageos.org>

config/common.mk

@@ -140,6 +140,7 @@ PRODUCT_PACKAGES += \
 # Custom Lineage packages
 PRODUCT_PACKAGES += \
     AudioFX \
+    Backgrounds \
     LineageSettingsProvider \
     LineageSetupWizard \
     Eleven \
@@ -148,7 +149,6 @@ PRODUCT_PACKAGES += \
     LockClock \
     TrebuchetQuickStep \
     Updater \
-    WallpaperPicker \
     WeatherProvider
 
 # Exchange support