Sync ProtonJ2 with upstream

Author: acogoluegnes

src/main/qpid/org/apache/qpid/protonj2/engine/impl/ProtonSessionIncomingWindow.java

@@ -21,7 +21,12 @@
 import org.apache.qpid.protonj2.engine.util.SequenceNumber;
 import org.apache.qpid.protonj2.engine.util.UnsettledMap;
 import org.apache.qpid.protonj2.types.UnsignedInteger;
-import org.apache.qpid.protonj2.types.transport.*;
+import org.apache.qpid.protonj2.types.transport.Begin;
+import org.apache.qpid.protonj2.types.transport.Disposition;
+import org.apache.qpid.protonj2.types.transport.Flow;
+import org.apache.qpid.protonj2.types.transport.Role;
+import org.apache.qpid.protonj2.types.transport.Transfer;
+import org.apache.qpid.protonj2.types.transport.DeliveryState;
 
 /**
  * Tracks the incoming window and provides management of that window in relation to receiver links.