droideglsink: rename gst_droidcamsrc_copy_buffer to gst_droideglsink_copy_buffer
droideglsink: rename gst_droidcamsrc_copy_buffer to gst_droideglsink_copy_buffer

mlehtima/gst-droid,foolab/gst-droid,sledges/gst-droid,sledges/gst-droid,sledges/gst-droid,mlehtima/gst-droid,foolab/gst-droid,sailfishos/gst-droid