fix memory leak with logger

Author: Rob Schoening

driver/src/main/java/org/neo4j/driver/internal/NetworkSession.java

@@ -64,7 +64,7 @@ public NetworkSession( ConnectionProvider connectionProvider, AccessMode mode, R
         this.connectionProvider = connectionProvider;
         this.mode = mode;
         this.retryLogic = retryLogic;
-        this.logger = logging.getLog( "Session-" + hashCode() );
+        this.logger = logging.getLog(Session.class.getName());
     }
 
     @Override

driver/src/main/java/org/neo4j/driver/internal/net/SocketConnection.java

@@ -57,7 +57,7 @@ public class SocketConnection implements Connection
 
     SocketConnection( BoltServerAddress address, SecurityPlan securityPlan, int timeoutMillis, Logging logging )
     {
-        Logger logger = logging.getLog( "Connection-" + hashCode() );
+        Logger logger = logging.getLog( Connection.class.getName() );
         this.socket = new SocketClient( address, securityPlan, timeoutMillis, logger );
         this.responseHandler = createResponseHandler( logger );