am 329b6857: am ee8d4b37: am 2af4089c: Merge "Update mdpi ldpi reference images for android.host.theme with API level 21" into lmp-sprout-dev

* commit '329b68572bb5084ccd998129d3d411d0e4022e5d':
  Update mdpi ldpi reference images for android.host.theme with API level 21