use adabn.py

[yuanhaorannnnnn]

At first, thanks for your work, it's a nice project in DA, DG filed. I'm using your adabn.py to deploy AdaBN method on my model, I read the code, found it's pretty simple and I think maybe there is somthing missing?
From my understanding, AdaBN method is to use the mean and var of the target domain to replace the ones from the training
stage on BN layers, but I just found reset running stats function in the adabn.py.

I'm looking forwar to your reply, thanks!