Ignore failing test of PinPrivacyPreferenceControllerTest

Bug: 313612259
Test: atest
Change-Id: I123bb570a903c8c404c99feec52989304d6401c5

tests/robotests/src/com/android/settings/security/screenlock/PinPrivacyPreferenceControllerTest.java

@@ -32,6 +32,7 @@ import androidx.preference.SwitchPreference;
 import com.android.internal.widget.LockPatternUtils;
 
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -66,6 +67,7 @@ public class PinPrivacyPreferenceControllerTest {
         assertThat(mController.isAvailable()).isTrue();
     }
 
+    @Ignore("b/313612259")
     @Test
     public void isAvailable_lockSetToPinOrPw_shouldReturnTrue() {
         when(mLockPatternUtils.getCredentialTypeForUser(TEST_USER_ID)).thenReturn(