Add back blacklist settings.

Change-Id: Iae35717acfa9af4da75c07d24352acf981d19fc7
Fix calling blacklist settings from other apps.

Change-Id: I47b737a4c453c1a0ca5b57fc6b58cbd8e0099ac8
Add missing blacklist xxhdpi drawables.

Change-Id: I327f408ff344e9358c479cf5fe9dc341918511b2