[SCB-1305] CseAsyncRestTemplate is not support set headers

foundations/foundation-vertx/src/main/java/org/apache/servicecomb/foundation/vertx/http/VertxServerRequestToHttpServletRequest.java

@@ -84,6 +84,7 @@ public VertxServerRequestToHttpServletRequest(RoutingContext context) {
   public void setBodyBuffer(Buffer bodyBuffer) {
     super.setBodyBuffer(bodyBuffer);
     context.setBody(bodyBuffer);
+    this.inputStream = null;
   }
 
   @Override

providers/provider-springmvc/src/main/java/org/apache/servicecomb/provider/springmvc/reference/CseClientHttpRequest.java

@@ -112,6 +112,12 @@ public void setRequestBody(Object requestBody) {
     this.requestBody = requestBody;
   }
 
+  public void setHttpHeaders(HttpHeaders headers) {
+    if (headers != null) {
+      this.httpHeaders = headers;
+    }
+  }
+
   @Override
   public HttpMethod getMethod() {
     return method;

providers/provider-springmvc/src/main/java/org/apache/servicecomb/provider/springmvc/reference/async/CseAsyncRequestCallback.java

@@ -34,6 +34,7 @@ public void doWithRequest(AsyncClientHttpRequest request) {
     CseAsyncClientHttpRequest cseAsyncClientHttpRequest = (CseAsyncClientHttpRequest) request;
     if (requestBody != null) {
       cseAsyncClientHttpRequest.setRequestBody(requestBody.getBody());
+      cseAsyncClientHttpRequest.setHttpHeaders(requestBody.getHeaders());
     }
 
     if (!CseHttpEntity.class.isInstance(requestBody)) {

providers/provider-springmvc/src/test/java/org/apache/servicecomb/provider/springmvc/reference/TestCseClientHttpRequest.java

@@ -32,6 +32,7 @@
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
+import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -84,8 +85,10 @@ protected Response doInvoke(Invocation invocation) {
           }
         };
     byte[] body = "abc".getBytes();
+    HttpHeaders headers = new HttpHeaders();
+    headers.add("token", "123");
     client.setRequestBody(body);
-
+    client.setHttpHeaders(headers);
     client.execute();
 
     Assert.assertArrayEquals(body, holder.value.getSwaggerArgument(0));