Sonar blocker issue resolution
Sonar issue resolutions for HttpDmaapConsumerImpl.java
Resolve this blocker issue:
https://sonar.onap.org/issues/search#issues=AWDfpmsG-08if2a6xIV5
And other sonar findings:
https://sonar.onap.org/issues/search#issues=AWDfpmsG-08if2a6xIV6
https://sonar.onap.org/issues/search#issues=AWBUkkJW-08if2a6vS8b
https://sonar.onap.org/issues/search#issues=AWBUkkJW-08if2a6vS8d
https://sonar.onap.org/issues/search#issues=AWBUkkJV-08if2a6vS8a
https://sonar.onap.org/issues/search#issues=AWBUkkJW-08if2a6vS8g
Issue-ID: APPC-385
Change-Id: Ic81c345ebfaddbd4fd88d4a95da6f546c65c3235
Signed-off-by: Skip Wonnell <skip@att.com>