Merge "Start sensor service in a seperate thread" into nyc-mr2-dev

#include <cutils/properties.h>

#include <utils/Log.h>

#include <utils/misc.h>

#include <utils/AndroidThreads.h>

namespace android {

static int start_sensor_service(void* /*unused*/) {

    SensorService::instantiate();

    return 0;

}

static void android_server_SystemServer_startSensorService(JNIEnv* /* env */, jobject /* clazz */) {

    char propBuf[PROPERTY_VALUE_MAX];

    property_get("system_init.startsensorservice", propBuf, "1");

    if (strcmp(propBuf, "1") == 0) {

        // Start the sensor service

        SensorService::instantiate();

        // Start the sensor service in a new thread

        createThreadEtc(start_sensor_service, nullptr,

                        "StartSensorThread", PRIORITY_FOREGROUND);

    }

}