Align appc-config-adaptor-provider implementation classes with ONAP
and Google Java Style guidelines: K&R Style brackets, 120 column limit,
indentation fixes, method and property reorder according to visibility.
Change-Id: I079e6d9eec5f400db00c5bf41937ca20dd778e72
Issue-ID: APPC-361 Signed-off-by: Michal Kabaj <michal.kabaj@nokia.com>