add extra ble example to complie test

Author: Qinghao Shi

tools/test/examples/examples.json

@@ -60,14 +60,20 @@
       "github":"https://github.com/ARMmbed/mbed-os-example-ble",
       "sub-repo-example": true,
       "subs": [
-          "BLE_Beacon",
-          "BLE_HeartRate",
-          "BLE_Thermometer",
-          "BLE_LEDBlinker",
-          "BLE_LED",
-          "BLE_GAPButton",
-          "BLE_Button",
-          "BLE_BatteryLevel"
+            "BLE_BatteryLevel",
+            "BLE_Beacon",
+            "BLE_Button",
+            "BLE_GAP",
+            "BLE_GAPButton",
+            "BLE_GattClient",
+            "BLE_GattServer",
+            "BLE_HeartRate",
+            "BLE_LED",
+            "BLE_LEDBlinker",
+            "BLE_PeriodicAdvertising",
+            "BLE_Privacy",
+            "BLE_SM",
+            "BLE_Thermometer"
       ],
       "features" : ["BLE"],
       "targets" : ["NRF51_DK", "NRF52_DK", "K66F", "NUCLEO_F401RE"],