This article states:
The Walt Disney Company announced Saturday it would withdraw funding from the Boy Scouts of America beginning in 2015 unless the scouting organization overturns a policy banning gay leaders. [emphasis added]
So it looks like Disney is trying to lean on them to be more inclusive. It’s possible Disney was hoding off on action to give BSA to make policy changes internally. It’s also possible that it took some time to push this resolution through at Disney.