[ansible]: upgrade to use ansible 2.8.7#1213

Merged

lguohan merged 8 commits intosonic-net:masterfrom lguohan:docker

Nov 20, 2019

+151-1,919

Commits on Nov 19, 2019

[ansible]: import callback_loader from different location due to
lguohan
committed
[ansible]: datatime class is overriden by ansible module_utils
lguohan
committed

Commits on Nov 20, 2019

Merge branch 'master' into docker
lguohan
authored