[Core-HttpClient-Matrix] Enable JDK and Vertx httpclient in pipeline. (Azure#34649)

Author: mssfang

eng/pipelines/templates/stages/platform-matrix.json

@@ -9,7 +9,7 @@
       "macos-11": { "OSVmImage": "macos-11", "Pool": "Azure Pipelines" }
     },
     "JavaTestVersion": [ "1.8", "1.17" ],
-    "AZURE_TEST_HTTP_CLIENTS": [ "okhttp", "netty" ],
+    "AZURE_TEST_HTTP_CLIENTS": ["vertx", "okhttp", "netty" ],
     "TestFromSource": false,
     "RunAggregateReports": false,
     "TestGoals": "surefire:test",
@@ -54,6 +54,17 @@
       "RunAggregateReports": false,
       "TestGoals": "surefire:test",
       "TestOptions": ""
+    },
+    {
+      "Agent": {
+        "ubuntu-20.04": { "OSVmImage": "MMSUbuntu20.04", "Pool": "azsdk-pool-mms-ubuntu-2004-general" }
+      },
+      "JavaTestVersion": "1.17",
+      "AZURE_TEST_HTTP_CLIENTS": "jdk-httpclient",
+      "TestFromSource": false,
+      "RunAggregateReports": false,
+      "TestGoals": "surefire:test",
+      "TestOptions": ""
     }
   ]
 }