This recent PLA Daily photograph (here) of a PLAN Z-8 helicopter pilot leaving his 1-year old son to "train for a long range" mission adds credence to the rumor. The only PLAN combat vessel capable of deploying two medium-sized helicopters is the Type 071 LPD.
Having a 20,000t Command and Control mother ship will not only enhance on-station time for the Chinese task force, its two Z-8's also have a significant range advantage over the lighter Z-9 and Ka-27 currently serving onboard the Chinese task force. The Z-9 is designed to drop a 4-member SpOps team to a distressed ship. On the other hand, the Z-8 is capable of delivering 20+ fully armed troops.
The recently spotted rocket/gun pods armed Z-8
Photos from the PLA Daily