[513669] Refactor code from P2 Management working set after SonarQube
analysis.

https://bugs.eclipse.org/bugs/show_bug.cgi?id=513669

Change-Id: I05348c9dfd05a93a7fbdfc189678da6b1db0b134
Signed-off-by: William Enright <william.enright@ericsson.com>
4 files changed