video: fix local camera openning

Commit be732d47
introduce a regression on local camera input openning through v4l2.
This patch fixes this.

Refs #66543

Change-Id: Iebd5dd6544fd223ca505f1d1064a5d7bfd0bedb1

daemon/src/media/video/v4l2/video_device_impl.cpp

@@ -521,7 +521,7 @@ VideoDeviceImpl::getDeviceParams() const
 {
     DeviceParams params;
     params.input = device;
-    params.format = "video4linux2";
+    params.format = "v4l2";
     params.channel = channel_.idx;
     params.width = size_.width;
     params.height = size_.height;