Fix SystemTime that change visibility and compilation issue of KafkaG…

…roupLeaderElector (#3155)

* Fix SystemTime that change visibility

* Use MetadataRecoveryStrategy.NONE for NetworkClient

core/src/main/java/io/confluent/kafka/schemaregistry/leaderelector/kafka/KafkaGroupLeaderElector.java

@@ -27,6 +27,7 @@
 import org.apache.kafka.clients.ClientUtils;
 import org.apache.kafka.clients.CommonClientConfigs;
 import org.apache.kafka.clients.Metadata;
+import org.apache.kafka.clients.MetadataRecoveryStrategy;
 import org.apache.kafka.clients.NetworkClient;
 import org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient;
 import org.apache.kafka.common.KafkaException;
@@ -151,7 +152,8 @@ public KafkaGroupLeaderElector(SchemaRegistryConfig config,
           time,
           true,
           new ApiVersions(),
-          logContext);
+          logContext,
+          MetadataRecoveryStrategy.NONE);
 
       this.client = new ConsumerNetworkClient(
           logContext,

core/src/main/java/io/confluent/kafka/schemaregistry/metrics/MetricsContainer.java

@@ -34,7 +34,7 @@
 import org.apache.kafka.common.metrics.MetricsReporter;
 import org.apache.kafka.common.metrics.stats.CumulativeCount;
 import org.apache.kafka.common.metrics.stats.Value;
-import org.apache.kafka.common.utils.SystemTime;
+import org.apache.kafka.common.utils.Time;
 
 import java.security.KeyStore;
 import java.security.KeyStoreException;
@@ -115,7 +115,7 @@ public MetricsContainer(SchemaRegistryConfig config, String kafkaClusterId) {
             new MetricConfig().samples(config.getInt(ProducerConfig.METRICS_NUM_SAMPLES_CONFIG))
                     .timeWindow(config.getLong(ProducerConfig.METRICS_SAMPLE_WINDOW_MS_CONFIG),
                             TimeUnit.MILLISECONDS);
-    this.metrics = new Metrics(metricConfig, reporters, new SystemTime(), metricsContext);
+    this.metrics = new Metrics(metricConfig, reporters, Time.SYSTEM, metricsContext);
 
     this.isLeaderNode = createMetric(METRIC_NAME_MASTER_SLAVE_ROLE,
             "1.0 indicates the node is the active leader in the cluster and is the"