Run OemNetworkPreferencesTest with DevSdkIgnoreRunner

The class-level @IgnoreUpTo annotation only applies with that runner.

Change-Id: I065618f2345c1d91de2fa1f2f558e5ed5b066f3e
Fixes: 174268969
Bug: 171505922
Test: atest FrameworksNetTests:android.net.OemNetworkPreferencesTest
diff --git a/tests/net/common/java/android/net/OemNetworkPreferencesTest.java b/tests/net/common/java/android/net/OemNetworkPreferencesTest.java
index c9161b6..cade5ba 100644
--- a/tests/net/common/java/android/net/OemNetworkPreferencesTest.java
+++ b/tests/net/common/java/android/net/OemNetworkPreferencesTest.java
@@ -26,9 +26,9 @@
 import android.util.SparseArray;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -38,7 +38,7 @@
 import java.util.List;
 
 @IgnoreUpTo(Build.VERSION_CODES.R)
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
 @SmallTest
 public class OemNetworkPreferencesTest {