Add new examples to example list for CI.

The following examples have been added:

https://github.com/ARMmbed/mbed-os-example-thread-statistics
https://github.com/ARMmbed/mbed-os-example-sys-info
https://github.com/ARMmbed/mbed-os-example-cpu-usage
https://github.com/ARMmbed/mbed-os-example-cpu-stats

Author: adbridge

tools/test/examples/examples.json

@@ -266,6 +266,58 @@
         "compile" : true,
         "export": true,
         "auto-update" : true
+    },      
+    {
+        "name": "mbed-os-example-thread-statistics",
+        "github":"https://github.com/ARMmbed/mbed-os-example-thread-statistics",
+        "mbed": [],
+        "test-repo-source": "github",
+        "features" : [],
+        "targets" : ["K64F"],
+        "toolchains" : [],
+        "exporters": [],
+        "compile" : true,
+        "export": true,
+        "auto-update" : true
+    },
+    {
+        "name": "mbed-os-example-sys-info",
+        "github":"https://github.com/ARMmbed/mbed-os-example-sys-info",
+        "mbed": [],
+        "test-repo-source": "github",
+        "features" : [],
+        "targets" : ["K64F"],
+        "toolchains" : [],
+        "exporters": [],
+        "compile" : true,
+        "export": true,
+        "auto-update" : true
+    },
+    {
+        "name": "mbed-os-example-cpu-usage",
+        "github":"https://github.com/ARMmbed/mbed-os-example-cpu-usage",
+        "mbed": [],
+        "test-repo-source": "github",
+        "features" : [],
+        "targets" : ["K64F"],
+        "toolchains" : [],
+        "exporters": [],
+        "compile" : true,
+        "export": true,
+        "auto-update" : true
+    },
+    {
+        "name": "mbed-os-example-cpu-stats",
+        "github":"https://github.com/ARMmbed/mbed-os-example-cpu-stats",
+        "mbed": [],
+        "test-repo-source": "github",
+        "features" : [],
+        "targets" : ["K64F"],
+        "toolchains" : [],
+        "exporters": [],
+        "compile" : true,
+        "export": true,
+        "auto-update" : true
     }      
   ]
 }