NMS-16435 : Fix Usage statistics reporter throws an NPE in the stdout on startup

[Junaid-Khan-Nant]

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https://opennms.atlassian.net/browse/NMS-16435

[cgorantla]

LGTM , possible to update this without any formatting ?

[cgorantla]

Also write a proper commit message. remove [skip ci] from the commit.

you can always update commit message and force push.

[cgorantla]

Update commit message and remove [skip ci].

[cgorantla]

can you make it one commit and follow below pattern for commit message

NMS-16435: fix NPE is usage statistics reporter

[Junaid-Khan-Nant]

can you make it one commit and follow below pattern for commit message

NMS-16435: fix NPE is usage statistics reporter