Merge "Add synchronization when EventFlagQueue is created in sensors HAL init" into main

    ALOGI("Sensors initializing");

    ScopedAStatus result = ScopedAStatus::ok();

    mEventQueue = std::make_unique<AidlMessageQueue<Event, SynchronizedReadWrite>>(

            in_eventQueueDescriptor, true /* resetPointers */);

    // Ensure that all sensors are disabled.

    for (auto sensor : mSensors) {

        sensor.second->activate(false);

        // Hold the lock to ensure that re-creation of event flag is atomic

        std::lock_guard<std::mutex> lock(mWriteLock);

        mEventQueue = std::make_unique<AidlMessageQueue<Event, SynchronizedReadWrite>>(

                in_eventQueueDescriptor, true /* resetPointers */);

        // Ensure that any existing EventFlag is properly deleted

        deleteEventFlagLocked();