They did say that the DvL points are gained from everything now which means story quests, from killing mobs, flashpoints and more.
From the patch notes.
Patch notes can be found here.
http://www.swtor.com/patchnotes/11292016/game-update-5.0-knights-eternal-throne-early-access
It was said elsewhere but I don't know where now but everything you do counts towards those points.
Here is the info