add mbed-os-example-aws to the test build list

tools/test/examples/examples.json

@@ -454,6 +454,21 @@
         "baud_rate": 9600,
         "compare_log": ["mbed-os-example-atecc608a/tests/atecc608a.log"],
         "auto-update" : true
+    },
+    {
+      "name": "mbed-os-example-aws",
+      "github": "https://github.com/ARMmbed/mbed-os-example-aws",
+      "sub-repo-example": false,
+      "subs": [],
+      "features" : [],
+      "targets" : [],
+      "toolchains" : [],
+      "exporters": [],
+      "compile" : true,
+      "export": true,
+      "test" : false,
+      "baud_rate": 115200,
+      "auto-update" : true
     }
   ]
 }