Revert "Test Fix SettingRobolectricTest Fail"

This reverts commit 818f77cd1f.

Reason for revert: Underlying issue fixed in ag/23454315.

Bug: b/275023433
Test: atest SettingsGlobalRoboTests

Change-Id: I1af272efd00b3c5bd35310512f5712d5d1c7d834

tests/robotests/src/com/android/settings/display/SmartAutoRotatePreferenceFragmentTest.java

@@ -50,7 +50,6 @@ import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.devicestate.DeviceStateRotationLockSettingsManager;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -177,7 +176,6 @@ public class SmartAutoRotatePreferenceFragmentTest {
         assertThat(preferenceControllers).isEmpty();
     }
 
-    @Ignore
     @Test
     public void createPreferenceControllers_settableDeviceStates_returnsDeviceStateControllers() {
         enableDeviceStateSettableRotationStates(new String[]{"0:1", "1:1"},