This increases the size of the default user icon to the size specified
by the system (190dp), using the new method added in ag/16847427.
Bug: 218838295
Test: visual inspection
Test: make RunSettingsRoboTests -j40 ROBOTEST_FILTER="com.android.settings.users.UserSettingsTest"
Change-Id: I3d88fbd1e148f0f63c796a272cd5771f4447812d
Switched to using PackageManager#getUserBadgeForDensityNoBackground which returns a
drawable that could be updated by the device management role holder.
Bug: 203548565
Bug: 188414370
Test: manual
Change-Id: I6b6bd9eceb90e16afa6d1fa52f3a7cd342a1f1ba