This was a manual process. Sorry my description was too ambiguous. I did the following:
- Exported the m3u from Channels DVR
- Edited the m3u (by hand, in a text editor) to rearrange the channels in the order I wanted.
- Edited (by hand) the group-title to match what was setup in Channels DVR Collections.
I ended up writing a python script that does the m3u manipulation. Too much work doing it manually.