Fix usage of _fields method in provider_configuration.py

Apply _fields() method to each dict in the list.

Change-Id: I9357212e203843ffa4a05216d9c79fe8831971a5
Closes-Bug: #1227971
Imported Translations from Transifex

Change-Id: I625bfc9c649f6f25f706a8696406a7962bc6f0a9
Merge "Imported Translations from Transifex"
Merge "Fix usage of _fields method in provider_configuration.py"