Dynamic Sensor Discovery implementation

Defined the dynamic sensor meta data type and UUID of sensor.

Implementation in sensorservice and the native SensorManager to
support Dynamic sensor discovery.

Change-Id: I9df2f2ae51d46cd946a9757393f7a60b52cc4fb8
diff --git a/services/sensorservice/SensorDevice.h b/services/sensorservice/SensorDevice.h
index c484849..c12630a 100644
--- a/services/sensorservice/SensorDevice.h
+++ b/services/sensorservice/SensorDevice.h
@@ -89,6 +89,7 @@
     bool isClientDisabledLocked(void* ident);
 public:
     ssize_t getSensorList(sensor_t const** list);
+    void handleDynamicSensorConnection(int handle, bool connected);
     status_t initCheck() const;
     int getHalDeviceVersion() const;
     ssize_t poll(sensors_event_t* buffer, size_t count);