The icon on app header is a clone of original app icon, which relies on getConstantState() of the orginal drawable non-null. Change-Id: Ice5360f5d00d99b3cfe538b167ce67fc06d5e402 Fix: 34190136 Test: make RunSettingsLibRoboTests
Unit test suite for SettingsLib using Robolectric.
$ croot
$ make RunSettingsLibRoboTests -j40