lineage: Enable Backgrounds

Change-Id: Icc6d1cf756b3f3836508ee4a479fb898011074b9

snippets/lineage.xml

@@ -23,7 +23,7 @@
   <project path="hardware/lineage/livedisplay" name="LineageOS/android_hardware_lineage_livedisplay" />
   <project path="lineage-sdk" name="LineageOS/android_lineage-sdk" />
   <project path="packages/apps/AudioFX" name="LineageOS/android_packages_apps_AudioFX" />
-  <!--<project path="packages/apps/Backgrounds" name="LineageOS/android_packages_apps_Backgrounds" />-->
+  <project path="packages/apps/Backgrounds" name="LineageOS/android_packages_apps_Backgrounds" />
   <project path="packages/apps/Eleven" name="LineageOS/android_packages_apps_Eleven" />
   <!--<project path="packages/apps/Email" name="LineageOS/android_packages_apps_Email" />-->
   <project path="packages/apps/Etar" name="LineageOS/android_packages_apps_Etar" />