Merge "Log number of conference child calls" into ub-contactsdialer-a-dev
am: 6db499fd7b

* commit '6db499fd7bb4c8127e7af4c2ec99f99a5005ddf0':
  Log number of conference child calls
tree: 9c71c7f808c438ccc2cf1d81b76b97c861315000
  1. InCallUI/