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/system/ResetPreferenceControllerTest.java

@@ -20,7 +20,6 @@ import static com.google.common.truth.Truth.assertThat;
 import android.content.Context;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
@@ -46,7 +45,6 @@ public class ResetPreferenceControllerTest {
         assertThat(mController.isAvailable()).isTrue();
     }
 
-    @Ignore
     @Test
     @Config(qualifiers = "mcc999")
     public void isAvailable_ifNotVisible_false() {