progressreport: add some debug logging
progressreport: add some debug logging

Add debug logging when calculating current percentage.

Signed-off-by: William Katsak <9f8ee2428c051c2cbc1aeace8b3c786049771b49@cs.rutgers.edu>

wkatsak/gst-plugins-good,wkatsak/gst-plugins-good,wkatsak/gst-plugins-good,wkatsak/gst-plugins-good