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

* commit 'ee8d4b376f2e0b7798ddd90cb4fb71b2cf9c28d4':
  Update mdpi ldpi reference images for android.host.theme with API level 21