[omxcodec] Add (broken) deinterlace support
[omxplayer] Fix incorrect settings query that can cause video stutter

A change in CSettings was missed here, and results in the clock component not being configured correctly.
This doesn't apply the correct filtering to clock changes and can create video stutter
[omxcodec] Fix for dvd menu that have a single video frame as still
[omxcodec] Do the cleanup in main thread to avoid race condition crash on exit