Added v4l2 support for getting capture property CV_CAP_PROP_POS_MSEC
Added v4l2 support for getting capture property CV_CAP_PROP_POS_MSEC

apavlenko/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,apavlenko/opencv,apavlenko/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv