Add wake gesture in Sensor.cpp

Change-Id: Ifb1744acffc2d57da43112fb9966261e8246d6de
diff --git a/libs/gui/Sensor.cpp b/libs/gui/Sensor.cpp
index b363411..b73df7c 100644
--- a/libs/gui/Sensor.cpp
+++ b/libs/gui/Sensor.cpp
@@ -203,6 +203,10 @@
         mRequiredPermission = SENSOR_PERMISSION_BODY_SENSORS;
         mWakeUpSensor = true;
         break;
+    case SENSOR_TYPE_WAKE_GESTURE:
+        mStringType = SENSOR_STRING_TYPE_WAKE_GESTURE;
+        mWakeUpSensor = true;
+        break;
     default:
         // Only pipe the stringType, requiredPermission and flags for custom sensors.
         if (halVersion >= SENSORS_DEVICE_API_VERSION_1_2 && hwSensor->stringType) {