Add support for SENSOR_TYPE_WRIST_TILT_GESTURE

Change-Id: I7e5516de805618df41de0f9b06805002e32708c3
diff --git a/libs/gui/Sensor.cpp b/libs/gui/Sensor.cpp
index b4291bb..41a45fc 100644
--- a/libs/gui/Sensor.cpp
+++ b/libs/gui/Sensor.cpp
@@ -204,6 +204,13 @@
             mFlags |= SENSOR_FLAG_WAKE_UP;
         }
         break;
+    case SENSOR_TYPE_WRIST_TILT_GESTURE:
+        mStringType = SENSOR_STRING_TYPE_WRIST_TILT_GESTURE;
+        mFlags |= SENSOR_FLAG_SPECIAL_REPORTING_MODE;
+        if (halVersion < SENSORS_DEVICE_API_VERSION_1_3) {
+            mFlags |= SENSOR_FLAG_WAKE_UP;
+        }
+        break;
     default:
         // Only pipe the stringType, requiredPermission and flags for custom sensors.
         if (halVersion > SENSORS_DEVICE_API_VERSION_1_0 && hwSensor->stringType) {