fix(elasticloadbalancingv2): imported listener ignores conditions attribute

packages/@aws-cdk/aws-elasticloadbalancingv2/lib/alb/application-listener.ts

@@ -571,6 +571,7 @@ class ImportedApplicationListener extends Resource implements IApplicationListen
       // New rule
       new ApplicationListenerRule(this, id, {
         listener: this,
+        conditions: props.conditions,
         hostHeader: props.hostHeader,
         pathPattern: props.pathPattern,
         pathPatterns: props.pathPatterns,

packages/@aws-cdk/aws-elasticloadbalancingv2/test/alb/test.listener.ts

@@ -464,6 +464,38 @@ export = {
     test.done();
   },
 
+  'Can call addTargetGroups on imported listener with conditions prop'(test: Test) {
+    // GIVEN
+    const stack = new cdk.Stack();
+    const vpc = new ec2.Vpc(stack, 'VPC');
+    const listener = elbv2.ApplicationListener.fromApplicationListenerAttributes(stack, 'Listener', {
+      listenerArn: 'ieks',
+      securityGroupId: 'sg-12345',
+    });
+    const group = new elbv2.ApplicationTargetGroup(stack, 'TargetGroup', { vpc, port: 80 });
+
+    // WHEN
+    listener.addTargetGroups('Gruuup', {
+      priority: 30,
+      conditions: [elbv2.ListenerCondition.hostHeaders(['example.com'])],
+      targetGroups: [group],
+    });
+
+    // THEN
+    expect(stack).to(haveResource('AWS::ElasticLoadBalancingV2::ListenerRule', {
+      ListenerArn: 'ieks',
+      Priority: 30,
+      Actions: [
+        {
+          TargetGroupArn: { Ref: 'TargetGroup3D7CD9B8' },
+          Type: 'forward',
+        },
+      ],
+    }));
+
+    test.done();
+  },
+
   'Can depend on eventual listener via TargetGroup'(test: Test) {
     // GIVEN
     const stack = new cdk.Stack();