Fix checkstyle simplify boolean expression config-api

Change-Id: I4e47824cfd73bc798a06fc1dac299d94cebed7b3
Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>
Fix checkstyle if-statements must use braces hosttracker_new

Change-Id: I8261723a288103deb227b99e72d558f6303a37d8
Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>
Fix checkstyle if-statements must use braces northbound/commons

Change-Id: Iadad636ebf07e8c31a8c85540f10180b825c8a4a
Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>
Merge topic 'checkstyle'

* changes:
  Fix checkstyle if-statements must use braces northbound/commons
  Fix checkstyle if-statements must use braces hosttracker_new
  Fix checkstyle simplify boolean expression config-api