android: camera_hal_manager: Clean up resources when terminating

The CameraHalManager starts the libcamera CameraManager and creates
CameraProxy instances for each camera in the system. Clean up those
resources when the CameraHalManager terminates.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>

src/android/camera_hal_manager.cpp

@@ -90,6 +90,10 @@ void CameraHalManager::run()
 
 	/* Now start processing events and messages. */
 	exec();
+
+	/* Clean up the resources we have allocated. */
+	proxies_.clear();
+	cameraManager_->stop();
 }
 
 CameraProxy *CameraHalManager::open(unsigned int id,