[ML] Call initialising constructor of BaseTasksRequest (elastic/x-pack-elasticsearch#1771)

Original commit: elastic/x-pack-elasticsearch@216527c959

plugin/src/main/java/org/elasticsearch/xpack/ml/action/CloseJobAction.java

@@ -233,9 +233,12 @@ public class CloseJobAction extends Action<CloseJobAction.Request, CloseJobActio
         private boolean closed;
 
         Response() {
+            super(null, null);
+
         }
 
         Response(StreamInput in) throws IOException {
+            super(null, null);
             readFrom(in);
         }
 

plugin/src/main/java/org/elasticsearch/xpack/ml/action/FlushJobAction.java

@@ -190,6 +190,7 @@ public class FlushJobAction extends Action<FlushJobAction.Request, FlushJobActio
         private boolean flushed;
 
         Response() {
+            super(null, null);
         }
 
         Response(boolean flushed) {

plugin/src/main/java/org/elasticsearch/xpack/ml/action/IsolateDatafeedAction.java

@@ -168,6 +168,7 @@ public class IsolateDatafeedAction
         }
 
         public Response(StreamInput in) throws IOException {
+            super(null, null);
             readFrom(in);
         }
 

plugin/src/main/java/org/elasticsearch/xpack/ml/action/KillProcessAction.java

@@ -78,9 +78,11 @@ public class KillProcessAction extends Action<KillProcessAction.Request, KillPro
         private boolean killed;
 
         Response() {
+            super(null, null);
         }
 
         Response(StreamInput in) throws IOException {
+            super(null, null);
             readFrom(in);
         }
 

plugin/src/main/java/org/elasticsearch/xpack/ml/action/PostDataAction.java

@@ -67,10 +67,12 @@ public class PostDataAction extends Action<PostDataAction.Request, PostDataActio
         private DataCounts dataCounts;
 
         Response(String jobId) {
+            super(null, null);
             dataCounts = new DataCounts(jobId);
         }
 
         private Response() {
+            super(null, null);
         }
 
         public Response(DataCounts counts) {

plugin/src/main/java/org/elasticsearch/xpack/ml/action/StopDatafeedAction.java

@@ -222,10 +222,12 @@ public class StopDatafeedAction
         }
 
         public Response(StreamInput in) throws IOException {
+            super(null, null);
             readFrom(in);
         }
 
         public Response() {
+            super(null, null);
         }
 
         public boolean isStopped() {

plugin/src/test/java/org/elasticsearch/xpack/persistent/TestPersistentTasksPlugin.java

@@ -477,7 +477,7 @@ public class TestPersistentTasksPlugin extends Plugin implements ActionPlugin {
         private List<TestTaskResponse> tasks;
 
         public TestTasksResponse() {
-
+            super(null, null);
         }
 
         public TestTasksResponse(List<TestTaskResponse> tasks, List<TaskOperationFailure> taskFailures,