Suppress warnings

Author: alexsa

core/src/main/java/com/datastax/oss/driver/internal/core/addresstranslation/SubnetAddressTranslator.java

@@ -107,6 +107,7 @@ public String getPath() {
       };
 
   private final List<SubnetAddress> subnetAddresses;
+  @SuppressWarnings("OptionalUsedAsFieldOrParameterType")
   private final Optional<InetSocketAddress> defaultAddress;
   private final String logPrefix;
 

core/src/test/java/com/datastax/oss/driver/internal/core/addresstranslation/SubnetAddressTranslatorTest.java

@@ -31,6 +31,7 @@
 import java.util.Optional;
 import org.junit.Test;
 
+@SuppressWarnings("resource")
 public class SubnetAddressTranslatorTest {
 
   @Test