Fixing 4 javadoc warnings in onos-api

Change-Id: Ib9fe457b463adfb81b5f8a601ce67eb11575f439

@@ -43,6 +43,7 @@ public class OpticalCircuitIntent extends Intent {
      * @param src the source transponder port
      * @param dst the destination transponder port
      * @param signalType ODU signal type
+     * @param isBidirectional indicate if intent is bidirectional
      * @param priority priority to use for flows from this intent
      */
     protected OpticalCircuitIntent(ApplicationId appId, Key key, ConnectPoint src, ConnectPoint dst,

@@ -42,6 +42,7 @@ public final class OpticalConnectivityIntent extends Intent {
      * @param key intent key
      * @param src the source transponder port
      * @param dst the destination transponder port
+     * @param signalType signal type
      * @param isBidirectional indicates if intent is unidirectional
      * @param priority priority to use for flows from this intent
      */

@@ -156,6 +156,8 @@ public final class OpticalPathIntent extends Intent {
 
         /**
          * Sets the intent's direction.
+         *
+         * @param isBidirectional indicates if intent is bidirectional
          * @return this builder
          */
         public Builder bidirectional(boolean isBidirectional) {

@@ -48,6 +48,7 @@ public interface AtomicCounterBuilder {
      * <p>
      * Note: Must be set when retries are enabled
      * </p>
+     * @param executor executor service
      * @return this AtomicCounterBuilder
      */
     AtomicCounterBuilder withRetryExecutor(ScheduledExecutorService executor);