Bug 831628 - 0002. Handle event. r=yoshi

dom/system/gonk/ril_worker.js

@@ -2600,6 +2600,12 @@ let RIL = {
         };
         command.transactionId = 0;
         break;
+      case STK_EVENT_TYPE_IDLE_SCREEN_AVAILABLE:
+        command.deviceId = {
+          sourceId: STK_DEVICE_ID_DISPLAY,
+          destinationId: STK_DEVICE_ID_SIM
+        };
+        break;
     }
     this.sendICCEnvelopeCommand(command);
   },