droidcamsrc: Don't start video recording if we are using raw caps.
droidcamsrc: Don't start video recording if we are using raw caps.

It doesn't work. We will stop getting the viewfinder stream and there is no workaround
to get it so we just accept it as a limitation for now.

mlehtima/gst-droid,mlehtima/gst-droid,sailfishos/gst-droid